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Date: Sat, 01 Nov 2008 10:52:40 +0100
From: "Thomas C. Schmidt" <schmidt@fhtw-berlin.de>
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To: Hui Deng <denghui02@gmail.com>
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Subject: Re: [multimob] Comments
	on	draft-deng-multimob-pmip6-requirement-01.txt
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Hi Hui,

if I see things correctly, this scenario is already used in the pmipv6 =

solution draft ... so it is probably helpful to first properly identify =

it in the requirements document.

IMHO, as the main objective, the requirements document should clearly =

identify the "world we work in", i.e., all the requirements & =

constraints, as well as the general scenarios.

If we suppress relevant issues here and bring them up in the solutions =

later, the might be neither transparent nor helpful.

Best regards,

Thomas

Hui Deng wrote:
> Hi,  Thomas,
>  =

> I agree this scenario works for some deployment, but question here is =

> whether we need extend any pmip6 protocol to support this scenario?
>  =

> thanks
>  =

> -Hui
> =

> 2008/10/24 Thomas C. Schmidt <schmidt@informatik.haw-hamburg.de =

> <mailto:schmidt@informatik.haw-hamburg.de>>
> =

>     Hi Behcet,
> =

>     Behcet Sarikaya wrote:
> =

>         [thomas] RFC5213 does not address multicast routing (that's why
>         we are
>         discussing it). The scenario described in fig 2 is *not* addressi=
ng
>         mobile multicast senders,
> =

>         [behcet] Then I think the text and figure on the local routing
>         is not needed because local routing in PMIPv6 refers to the
>         routing of packets coming from the uplink and as you said this
>         would be multicast sender situation which you left out in the
>         requirements draft.
> =

> =

>     [thomas] This is a misunderstanding: Fig 2 does *not* refer to
>     sender mobility.
> =

> =

>         but a typical content distribution setting as
>         for instance used in a provider-centric IPTV service. This means,=
 a
>         provider issues multicast streams from within his network
>         domain, aiming
>         at an efficient way to preserve (his own) network resources.
> =

>          From the minimal perspective of RFC5213 (unicast routing) there
>         is no
>         efficient way to do this. That's why we are trying to identify
>         protocol
>         extensions that smoothly cooperate with RFC 5213.
> =

>         [behcet] The situation you are talking about could become valid
>         if route optimization is used with PMIPv6. In that case the
>         content server in between MAG and LMA would send directly to
>         MAG. If route optimization is not used then all traffic goes
>         through LMA-MAG tunnel. Route optimization for PMIPv6 is some
>         future work, there are drafts but we don't know if the
>         standardization will go ahead.
>         Route optimization with multicasting is even more complicated
>         problem. If you wish to state some requirements for this very
>         complicated case please go ahead.
> =

> =

>     [thomas] Hmm, I'm not trying to add complicated requirements. This
>     is the overview about possible scenarios.
>      We're all just trying to think of a reasonable scope to address and
>     solve the problem (so does the recent pmip6-extension-draft ... see
>     also the last mail from Hitoshi).
> =

>     If multicast on PMIPv6 is supposed to serve as a solution for
>     large-scale content distribution (like in IPTV applications), then
>     we should not just propose to tunnel all traffic from one LMA to the
>     MAGs. That's a bitter pill for those who have to pay for the
>     infrastructure.
> =

> =

>     Best regards,
> =

>     Thomas
> =

>     -- =

> =

>     =B0 Prof. Dr. Thomas C. Schmidt
>     =B0 HAW Hamburg, Dept. Informatik
>     =B0 University of Applied Sciences
>     =B0 Berliner Tor 7, D 20099 Hamburg, Germany
>     =B0 Fon: +49-40-42875-8452, Fax: -8409
>     =B0 http://www.informatik.haw-hamburg.de/~schmidt
> =

> =

> =

> ------------------------------------------------------------------------
> =

> _______________________________________________
> multimob mailing list
> multimob@ietf.org
> https://www.ietf.org/mailman/listinfo/multimob
_______________________________________________
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Date: Sun, 2 Nov 2008 09:24:39 +0800
From: "Hui Deng" <denghui02@gmail.com>
To: "Thomas C. Schmidt" <schmidt@fhtw-berlin.de>
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Cc: multimob@ietf.org
Subject: Re: [multimob] Comments on
	draft-deng-multimob-pmip6-requirement-01.txt
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Hi, Thomas

It seems my question wasn't answer, does PMIP6 need extention to support
local routing?

Regarding to your suggestion, that scenario in pmip solution is just
briefly mentioned.
other than our figure plus detail description. It might be ok that we could
describe local routing with similar word number like pmip6 rfc?

thanks

-Hui


2008/11/1 Thomas C. Schmidt <schmidt@fhtw-berlin.de>

> Hi Hui,
>
> if I see things correctly, this scenario is already used in the pmipv6
> solution draft ... so it is probably helpful to first properly identify i=
t
> in the requirements document.
>
> IMHO, as the main objective, the requirements document should clearly
> identify the "world we work in", i.e., all the requirements & constraints=
,
> as well as the general scenarios.
>
> If we suppress relevant issues here and bring them up in the solutions
> later, the might be neither transparent nor helpful.
>
> Best regards,
>
> Thomas
>
> Hui Deng wrote:
>
>> Hi,  Thomas,
>>  I agree this scenario works for some deployment, but question here is
>> whether we need extend any pmip6 protocol to support this scenario?
>>  thanks
>>  -Hui
>>
>> 2008/10/24 Thomas C. Schmidt <schmidt@informatik.haw-hamburg.de <mailto:
>> schmidt@informatik.haw-hamburg.de>>
>>
>>    Hi Behcet,
>>
>>    Behcet Sarikaya wrote:
>>
>>        [thomas] RFC5213 does not address multicast routing (that's why
>>        we are
>>        discussing it). The scenario described in fig 2 is *not* addressi=
ng
>>        mobile multicast senders,
>>
>>        [behcet] Then I think the text and figure on the local routing
>>        is not needed because local routing in PMIPv6 refers to the
>>        routing of packets coming from the uplink and as you said this
>>        would be multicast sender situation which you left out in the
>>        requirements draft.
>>
>>
>>    [thomas] This is a misunderstanding: Fig 2 does *not* refer to
>>    sender mobility.
>>
>>
>>        but a typical content distribution setting as
>>        for instance used in a provider-centric IPTV service. This means,=
 a
>>        provider issues multicast streams from within his network
>>        domain, aiming
>>        at an efficient way to preserve (his own) network resources.
>>
>>         From the minimal perspective of RFC5213 (unicast routing) there
>>        is no
>>        efficient way to do this. That's why we are trying to identify
>>        protocol
>>        extensions that smoothly cooperate with RFC 5213.
>>
>>        [behcet] The situation you are talking about could become valid
>>        if route optimization is used with PMIPv6. In that case the
>>        content server in between MAG and LMA would send directly to
>>        MAG. If route optimization is not used then all traffic goes
>>        through LMA-MAG tunnel. Route optimization for PMIPv6 is some
>>        future work, there are drafts but we don't know if the
>>        standardization will go ahead.
>>        Route optimization with multicasting is even more complicated
>>        problem. If you wish to state some requirements for this very
>>        complicated case please go ahead.
>>
>>
>>    [thomas] Hmm, I'm not trying to add complicated requirements. This
>>    is the overview about possible scenarios.
>>     We're all just trying to think of a reasonable scope to address and
>>    solve the problem (so does the recent pmip6-extension-draft ... see
>>    also the last mail from Hitoshi).
>>
>>    If multicast on PMIPv6 is supposed to serve as a solution for
>>    large-scale content distribution (like in IPTV applications), then
>>    we should not just propose to tunnel all traffic from one LMA to the
>>    MAGs. That's a bitter pill for those who have to pay for the
>>    infrastructure.
>>
>>
>>    Best regards,
>>
>>    Thomas
>>
>>    --
>>    =B0 Prof. Dr. Thomas C. Schmidt
>>    =B0 HAW Hamburg, Dept. Informatik
>>    =B0 University of Applied Sciences
>>    =B0 Berliner Tor 7, D 20099 Hamburg, Germany
>>    =B0 Fon: +49-40-42875-8452, Fax: -8409
>>    =B0 http://www.informatik.haw-hamburg.de/~schmidt
>>
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> multimob mailing list
>> multimob@ietf.org
>> https://www.ietf.org/mailman/listinfo/multimob
>>
>

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<div>Hi, Thomas</div>
<div>&nbsp;</div>
<div>It seems my question wasn&#39;t answer, does PMIP6 need extention to s=
upport local routing?</div>
<div>&nbsp;</div>
<div>Regarding to your suggestion, that scenario in pmip solution is just b=
riefly&nbsp;mentioned.</div>
<div>other than our figure plus detail description. It might be ok that we&=
nbsp;could describe local routing with similar word number like pmip6 rfc?<=
br><br>thanks</div>
<div>&nbsp;</div>
<div>-Hui</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div class=3D"gmail_quote">2008/11/1 Thomas C. Schmidt <span dir=3D"ltr">&l=
t;<a href=3D"mailto:schmidt@fhtw-berlin.de">schmidt@fhtw-berlin.de</a>&gt;<=
/span><br>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Hi Hui,<br><br>if I see things c=
orrectly, this scenario is already used in the pmipv6 solution draft ... so=
 it is probably helpful to first properly identify it in the requirements d=
ocument.<br>
<br>IMHO, as the main objective, the requirements document should clearly i=
dentify the &quot;world we work in&quot;, i.e., all the requirements &amp; =
constraints, as well as the general scenarios.<br><br>If we suppress releva=
nt issues here and bring them up in the solutions later, the might be neith=
er transparent nor helpful.<br>
<br>Best regards,<br><br>Thomas<br><br>Hui Deng wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Hi, &nbsp;Thomas,=20
<div class=3D"Ih2E3d"><br>&nbsp;I agree this scenario works for some deploy=
ment, but question here is whether we need extend any pmip6 protocol to sup=
port this scenario?<br></div>&nbsp;thanks<br>&nbsp;-Hui<br><br>2008/10/24 T=
homas C. Schmidt &lt;<a href=3D"mailto:schmidt@informatik.haw-hamburg.de" t=
arget=3D"_blank">schmidt@informatik.haw-hamburg.de</a> &lt;mailto:<a href=
=3D"mailto:schmidt@informatik.haw-hamburg.de" target=3D"_blank">schmidt@inf=
ormatik.haw-hamburg.de</a>&gt;&gt;<br>
<br>&nbsp; &nbsp;Hi Behcet,<br><br>&nbsp; &nbsp;Behcet Sarikaya wrote:<br><=
br>&nbsp; &nbsp; &nbsp; &nbsp;[thomas] RFC5213 does not address multicast r=
outing (that&#39;s why<br>&nbsp; &nbsp; &nbsp; &nbsp;we are<br>&nbsp; &nbsp=
; &nbsp; &nbsp;discussing it). The scenario described in fig 2 is *not* add=
ressing<br>
&nbsp; &nbsp; &nbsp; &nbsp;mobile multicast senders,<br><br>&nbsp; &nbsp; &=
nbsp; &nbsp;[behcet] Then I think the text and figure on the local routing<=
br>&nbsp; &nbsp; &nbsp; &nbsp;is not needed because local routing in PMIPv6=
 refers to the<br>&nbsp; &nbsp; &nbsp; &nbsp;routing of packets coming from=
 the uplink and as you said this<br>
&nbsp; &nbsp; &nbsp; &nbsp;would be multicast sender situation which you le=
ft out in the<br>&nbsp; &nbsp; &nbsp; &nbsp;requirements draft.<br><br><br>=
&nbsp; &nbsp;[thomas] This is a misunderstanding: Fig 2 does *not* refer to=
<br>&nbsp; &nbsp;sender mobility.<br><br><br>&nbsp; &nbsp; &nbsp; &nbsp;but=
 a typical content distribution setting as<br>
&nbsp; &nbsp; &nbsp; &nbsp;for instance used in a provider-centric IPTV ser=
vice. This means, a<br>&nbsp; &nbsp; &nbsp; &nbsp;provider issues multicast=
 streams from within his network<br>&nbsp; &nbsp; &nbsp; &nbsp;domain, aimi=
ng<br>&nbsp; &nbsp; &nbsp; &nbsp;at an efficient way to preserve (his own) =
network resources.<br>
<br>&nbsp; &nbsp; &nbsp; &nbsp; From the minimal perspective of RFC5213 (un=
icast routing) there<br>&nbsp; &nbsp; &nbsp; &nbsp;is no<br>&nbsp; &nbsp; &=
nbsp; &nbsp;efficient way to do this. That&#39;s why we are trying to ident=
ify<br>&nbsp; &nbsp; &nbsp; &nbsp;protocol<br>&nbsp; &nbsp; &nbsp; &nbsp;ex=
tensions that smoothly cooperate with RFC 5213.=20
<div class=3D"Ih2E3d"><br><br>&nbsp; &nbsp; &nbsp; &nbsp;[behcet] The situa=
tion you are talking about could become valid<br>&nbsp; &nbsp; &nbsp; &nbsp=
;if route optimization is used with PMIPv6. In that case the<br>&nbsp; &nbs=
p; &nbsp; &nbsp;content server in between MAG and LMA would send directly t=
o<br>
&nbsp; &nbsp; &nbsp; &nbsp;MAG. If route optimization is not used then all =
traffic goes<br>&nbsp; &nbsp; &nbsp; &nbsp;through LMA-MAG tunnel. Route op=
timization for PMIPv6 is some<br>&nbsp; &nbsp; &nbsp; &nbsp;future work, th=
ere are drafts but we don&#39;t know if the<br>&nbsp; &nbsp; &nbsp; &nbsp;s=
tandardization will go ahead.<br>
&nbsp; &nbsp; &nbsp; &nbsp;Route optimization with multicasting is even mor=
e complicated<br>&nbsp; &nbsp; &nbsp; &nbsp;problem. If you wish to state s=
ome requirements for this very<br>&nbsp; &nbsp; &nbsp; &nbsp;complicated ca=
se please go ahead.<br><br><br>&nbsp; &nbsp;[thomas] Hmm, I&#39;m not tryin=
g to add complicated requirements. This<br>
&nbsp; &nbsp;is the overview about possible scenarios.<br>&nbsp; &nbsp; We&=
#39;re all just trying to think of a reasonable scope to address and<br>&nb=
sp; &nbsp;solve the problem (so does the recent pmip6-extension-draft ... s=
ee<br>&nbsp; &nbsp;also the last mail from Hitoshi).<br>
<br>&nbsp; &nbsp;If multicast on PMIPv6 is supposed to serve as a solution =
for<br>&nbsp; &nbsp;large-scale content distribution (like in IPTV applicat=
ions), then<br>&nbsp; &nbsp;we should not just propose to tunnel all traffi=
c from one LMA to the<br>&nbsp; &nbsp;MAGs. That&#39;s a bitter pill for th=
ose who have to pay for the<br>
&nbsp; &nbsp;infrastructure.<br><br><br></div>&nbsp; &nbsp;Best regards,<br=
><br>&nbsp; &nbsp;Thomas<br><br>&nbsp; &nbsp;-- <br>&nbsp; &nbsp;=B0 Prof. =
Dr. Thomas C. Schmidt<br>&nbsp; &nbsp;=B0 HAW Hamburg, Dept. Informatik<br>=
&nbsp; &nbsp;=B0 University of Applied Sciences<br>&nbsp; &nbsp;=B0 Berline=
r Tor 7, D 20099 Hamburg, Germany<br>
&nbsp; &nbsp;=B0 Fon: +49-40-42875-8452, Fax: -8409<br>&nbsp; &nbsp;=B0 <a =
href=3D"http://www.informatik.haw-hamburg.de/~schmidt" target=3D"_blank">ht=
tp://www.informatik.haw-hamburg.de/~schmidt</a><br><br><br><br>------------=
------------------------------------------------------------=20
<div class=3D"Ih2E3d"><br><br>_____________________________________________=
__<br>multimob mailing list<br><a href=3D"mailto:multimob@ietf.org" target=
=3D"_blank">multimob@ietf.org</a><br><a href=3D"https://www.ietf.org/mailma=
n/listinfo/multimob" target=3D"_blank">https://www.ietf.org/mailman/listinf=
o/multimob</a><br>
</div></blockquote></blockquote></div><br>

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Hi all,
  We posted the agenda at:
http://www3.ietf.org/proceedings/08nov/agenda/multimob.html
the meeting will be held in Duluth room.
  Please send any change requests to Brian and me.
  Also, the presenters, please send your presentations in one of the acceptable formats to Brian and me.

Kind regards,

Brian & Behcet



      
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<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:14pt"><div>Hi all,<br>&nbsp; We posted the agenda at:<br>http://www3.ietf.org/proceedings/08nov/agenda/multimob.html<br>the meeting will be held in Duluth room.<br>&nbsp; Please send any change requests to Brian and me.<br>&nbsp; Also, the presenters, please send your presentations in one of the acceptable formats to Brian and me.<br><br>Kind regards,<br><br>Brian &amp; Behcet<br></div></div><br>

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Date: Tue, 04 Nov 2008 14:25:03 +0800
From: "John.zhao" <john.zhao@huawei.com>
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Hi,hui
 
    Forget to post the reply in maillist. See following comments.
    You are right. They are all need MN to send the request to join to
trigger the receive of multicast except the CMMB , I'm not sure. But it is
because we didn't have other methods to be used before. Currently, some
system just like IEEE802.16 is discussing about this kind of support via
layer-2, once it is ready, then the joinging in layer-3 can be omitted. In
another side, the DVB-H is another case, since it havn't the uplink , so
even mobile node want to send the joining request, but the request can't be
sent to network. It is a kind of "uni-direction link". I think it is useful
for operator to push some feature service within its domian .
    How about it?
 
 
    Best Rgds,
Thanks,
 
 

john.zhao

  _____  

Hi, John,

 
Sorry for my late reply, here you are suggesting that we would better
include network preconfigured multicast service which need infrastrucutre
support.

What I could remind is that normally such kind of service will be provided
by MBMS, BCMCS, especially mobile TV service they also could be based on
dedicated TV mechanism like CMMB.
 
thanks for your discussion.
 
-Hui

2008/10/24 John.zhao <john.zhao@huawei.com>


Hello,Hui and all
 
    One comments on section 3.1 about "R2 - The mobile node is responsible
for initially subscribing to the multicast group(s)." . To some network
control multicast service, this subscribtion info can be got from policy
store or pre-configuration on MAG. I don't object MN can't initiate the
subscribtion,but the subscribtion is no need rely on the request come from
MN only. With only MN initiated subscription of multicast group(s),the
operator's network will:
 1.1)No network originated service support. All of any kind of multicast
service will be initiated from MN.But in fact, there are still some typical
service should be managed from network side.From the point of view of the MN
it is like a TV broadcast model. It is worth to handle this case too because
it may corresponds to DVB-H mobile TV service use-case.
 1.2)Cost additional wireless resource in wireless situation. Without it ,
we can save more resource not only during handover but also in network entry
progress. Espically, it is useful to those static multicast tree scenario.
    From the architecture perspective, the support of network management is
the base of MN management. Since other signal flow will be the same except
MAG need have the ability to deal with additional MLD report sent from MN.So
it is no more additional cost on current design but bring a better
scability.


    In detail, the progress of the management of multicast service by
network just like the following:
 When the MN just attachs to a MAG, the MAG will get the MN's profile and
will know some pre-configured multicast services need to be established,
then it will ask LMA to provide the respective service, in this case, the
method used to communicate to LMA from MAG can be either PMIP signals or MLD
report(join) messages etc. LMA will check about this request and do the
decision based on it's acknowledges about it.
     During handover, it will be very like current design. The CXT is expect
to provide necessary multicast infomation and if need, a 3-rd party policy
store is required. 
 
    On summary, considering and allowing network administrativly
subscription didn't impact on anything current we have considered and in
addition , it can bring a scalability to current requirement of proxy
multicast mobility.
 
    Best Rgds,
Thanks,
 




john.zhao

 



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<BODY>
<DIV><SPAN class=624002306-04112008>
<DIV><SPAN class=123314101-03112008><FONT face=&#23435;&#20307; color=#0000ff 
size=2>Hi,hui</FONT></SPAN></DIV>
<DIV><SPAN class=123314101-03112008><FONT face=&#23435;&#20307; color=#0000ff 
size=2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=123314101-03112008><SPAN class=624002306-04112008><FONT face=&#23435;&#20307; 
color=#0000ff size=2>&nbsp;&nbsp;&nbsp; Forget to post the reply in maillist. 
See following comments.</FONT></SPAN></SPAN></DIV>
<DIV><FONT face=&#23435;&#20307;><FONT color=#0000ff><FONT size=2><SPAN 
class=123314101-03112008>&nbsp;&nbsp;&nbsp; You are right. They are all need MN 
to send the request to join to trigger the receive of multicast except the CMMB 
, I'm not sure. But it is because we didn't have other methods to be used 
before. Currently, some system just like IEEE802.16 is discussing about this 
kind of support via layer-2, once it is ready, then the joinging&nbsp;in layer-3 
can be omitted. In another side, the DVB-H is another case, since it havn't the 
uplink , so even mobile node want to send the joining request, but the request 
can't be sent to network. It is a kind of "uni-direction link". </SPAN><SPAN 
class=123314101-03112008>I think it is useful for operator to push some feature 
service within its domian .</SPAN></FONT></FONT></FONT></DIV>
<DIV><SPAN class=123314101-03112008><FONT face=&#23435;&#20307;><FONT color=#0000ff 
size=2>&nbsp;&nbsp;&nbsp; How about it?</FONT></FONT></SPAN></DIV>
<DIV><SPAN class=123314101-03112008><FONT face=&#23435;&#20307; color=#0000ff 
size=2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=123314101-03112008><FONT face=&#23435;&#20307; color=#0000ff 
size=2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=123314101-03112008><FONT face=&#23435;&#20307;><FONT color=#0000ff 
size=2>&nbsp;&nbsp;&nbsp; Best Rgds,</FONT></FONT></SPAN></DIV>
<DIV><SPAN class=123314101-03112008><FONT face=&#23435;&#20307; color=#0000ff 
size=2>Thanks,</FONT></SPAN></DIV></SPAN><FONT face=&#23435;&#20307; color=#0000ff 
size=2><SPAN class=624002306-04112008></SPAN></FONT></DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2><SPAN 
class=624002306-04112008></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2></FONT>&nbsp;</DIV>
<P></P>
<P></P><FONT face=&#21326;&#25991;&#32454;&#40657; color=black size=2>john.zhao<BR></FONT>
<DIV>
<HR tabIndex=-1>
Hi, John,</DIV>
<BLOCKQUOTE 
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
  <DIV>&nbsp;</DIV>
  <DIV>Sorry for my late reply, here you are suggesting that we would better 
  include network preconfigured multicast service which need infrastrucutre 
  support.<BR></DIV>
  <DIV>What I could remind is that normally such kind of service will be 
  provided by&nbsp;MBMS,&nbsp;BCMCS, especially mobile TV service they also 
  could be based on dedicated TV mechanism like CMMB.</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>thanks for your discussion.</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>-Hui<BR></DIV>
  <DIV class=gmail_quote>2008/10/24 John.zhao <SPAN dir=ltr>&lt;<A 
  href="mailto:john.zhao@huawei.com">john.zhao@huawei.com</A>&gt;</SPAN><BR>
  <BLOCKQUOTE class=gmail_quote 
  style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
    <DIV>
    <DIV><SPAN><FONT size=2>Hello,Hui and all</FONT></SPAN></DIV>
    <DIV><SPAN><FONT size=2></FONT></SPAN>&nbsp;</DIV>
    <DIV><SPAN>&nbsp;&nbsp;&nbsp; <FONT size=2>One comments on section 3.1 about 
    "R2 - The mobile node is responsible for initially subscribing to the 
    multicast group(s)." .&nbsp;To some network control multicast service, this 
    subscribtion info can be got from policy store or pre-configuration on MAG. 
    I don't object MN can't initiate the subscribtion,but the subscribtion is no 
    need rely on the request come from MN only.&nbsp;With only MN 
    initiated&nbsp;subscription of multicast group(s),the operator's network 
    will:</FONT></SPAN></DIV>
    <DIV><SPAN></SPAN><SPAN><FONT size=2>&nbsp;1.1)No network originated service 
    support. All of any kind of multicast service will be initiated from MN.But 
    in fact, there are still some typical service should be managed from network 
    side.From the point of view of the MN it is like a TV broadcast model. It is 
    worth to handle this case too because it may corresponds to DVB-H mobile TV 
    service use-case.<BR>&nbsp;1.2)Cost additional wireless resource in wireless 
    situation. Without it , we can save more resource not only during handover 
    but also in network entry progress. Espically, it is useful to those static 
    multicast tree scenario.<BR>&nbsp;&nbsp;&nbsp; From the architecture 
    perspective, the support of network management is the base of MN management. 
    Since other signal flow will be the same except MAG need have the ability to 
    deal with additional MLD report sent from MN.So it is no more additional 
    cost on current design but bring a better 
    scability.</FONT></SPAN></DIV><SPAN>
    <DIV><BR><FONT size=2>&nbsp;&nbsp;&nbsp; In detail, the progress of the 
    management of multicast service by network just like the 
    following:<BR>&nbsp;When the MN just attachs to a MAG, the MAG will get the 
    MN's profile and will know some pre-configured multicast services need to be 
    established, then it will ask LMA to provide the respective service, in this 
    case, the method used to communicate to LMA from MAG can be either PMIP 
    signals or MLD report(join) messages etc. LMA will check about this request 
    and do the decision based on it's acknowledges about 
    it.<BR>&nbsp;&nbsp;&nbsp;&nbsp; During handover, it will be very like 
    current design. The CXT is expect to provide necessary multicast infomation 
    and if need, a 3-rd party policy store is required. </FONT></DIV>
    <DIV><FONT size=2></FONT>&nbsp;</DIV>
    <DIV></DIV></SPAN><SPAN><FONT size=2>&nbsp;&nbsp;&nbsp; On summary, 
    considering and allowing network administrativly subscription didn't impact 
    on anything current we have considered and in addition , it can bring a 
    scalability to current requirement of proxy multicast 
    mobility.</FONT></SPAN></DIV>
    <DIV><SPAN><FONT size=2></FONT></SPAN>&nbsp;</DIV>
    <DIV><SPAN>&nbsp;&nbsp;&nbsp; <FONT size=2>Best Rgds,</FONT></SPAN></DIV>
    <DIV><SPAN><FONT size=2>Thanks,</FONT></SPAN></DIV>
    <DIV><FONT size=2></FONT>&nbsp;</DIV><FONT color=#888888>
    <P></P>
    <P></P><FONT face=&raquo;&ordf;&Icirc;&Auml;&Iuml;&cedil;&ordm;&Uacute; size=2>john.zhao<BR></FONT>
    <DIV><FONT 
size=2></FONT>&nbsp;</DIV></FONT></BLOCKQUOTE></DIV><BR></BLOCKQUOTE></BODY></HTML>

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Thread-Topic: [multimob] Comments
	ondraft-deng-multimob-pmip6-requirement-01.txt
Thread-Index: Ack7xNYy/ZnlBZMDQwml8H81vi1WxgCgPMBAAAiH6tA=
From: "von Hugo, Dirk" <Dirk.Hugo@t-systems.com>
To: <john.zhao@huawei.com>,
    <denghui02@gmail.com>
X-OriginalArrivalTime: 04 Nov 2008 13:21:56.0028 (UTC)
	FILETIME=[4F14F7C0:01C93E80]
Cc: multimob@ietf.org
Subject: Re: [multimob] Comments
	ondraft-deng-multimob-pmip6-requirement-01.txt
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Dear all,

Not directly answering the threads but rather commenting on the topic =
from an other operator's viewpoint:=20

=20

As far as I understand it CMMB (China Multimedia Mobile Broadcasting) =
should be similar to Europe's DVB-SH (Satellite services to Handhelds) =
standard for DVB (digital video broadcast) which is based on a hybrid =
satellite/terrestrial downlink combined with a different return channel =
(e.g. via WLAN or 2G/3G) - such it should allow for normal MLD operation =
as in MBMS (Multimedia Broadcast/Multicast Service) within 3GPP/UMTS or =
3GPP2 BCMCS (Broadcast and Multicast Services) which provides an =
approach to multicast for mobile, an overlay to mobile networks that =
provides multicast support ... - furthermore DVB-IP Phase 1.3 will =
include IPTV subscription via IGMP/MLD.

=20

Concerning pure DVB there is an assumption that L3 at the MN does send =
an MLD to the interface (L2.x) such that the correspondingly addressed =
multicast packets within DVB stream are filtered and forwarded to L3.

=20

I agree that operator requirements for network preconfigured multicast =
service would include handover support (subscription on behalf of MN to =
save resources or strengthen the unreliable message transport) and may =
cover specific control or management services (e.g. notification of =
available multicast streams to subscribe to such as DVB's ESG -  =
Electronic Servuice Guide or for operator-distributed additional support =
services such as authorisation keys for decoding content)

=20

Best regards=20

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: multimob-bounces@ietf.org [mailto:multimob-bounces@ietf.org] Im =
Auftrag von John.zhao
Gesendet: Dienstag, 4. November 2008 07:25
An: 'Hui Deng'
Cc: multimob@ietf.org
Betreff: Re: [multimob] Comments =
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi,hui

=20

    Forget to post the reply in maillist. See following comments.

    You are right. They are all need MN to send the request to join to =
trigger the receive of multicast except the CMMB , I'm not sure. But it =
is because we didn't have other methods to be used before. Currently, =
some system just like IEEE802.16 is discussing about this kind of =
support via layer-2, once it is ready, then the joinging in layer-3 can =
be omitted. In another side, the DVB-H is another case, since it havn't =
the uplink , so even mobile node want to send the joining request, but =
the request can't be sent to network. It is a kind of "uni-direction =
link". I think it is useful for operator to push some feature service =
within its domian .

    How about it?

=20

=20

    Best Rgds,

Thanks,

=20

=20

john.zhao

  _____ =20

Hi, John,

=20

Sorry for my late reply, here you are suggesting that we would better =
include network preconfigured multicast service which need =
infrastrucutre support.

What I could remind is that normally such kind of service will be =
provided by MBMS, BCMCS, especially mobile TV service they also could be =
based on dedicated TV mechanism like CMMB.

=20

thanks for your discussion.

=20

-Hui

2008/10/24 John.zhao <john.zhao@huawei.com>

Hello,Hui and all

=20

    One comments on section 3.1 about "R2 - The mobile node is =
responsible for initially subscribing to the multicast group(s)." . To =
some network control multicast service, this subscribtion info can be =
got from policy store or pre-configuration on MAG. I don't object MN =
can't initiate the subscribtion,but the subscribtion is no need rely on =
the request come from MN only. With only MN initiated subscription of =
multicast group(s),the operator's network will:

 1.1)No network originated service support. All of any kind of multicast =
service will be initiated from MN.But in fact, there are still some =
typical service should be managed from network side.From the point of =
view of the MN it is like a TV broadcast model. It is worth to handle =
this case too because it may corresponds to DVB-H mobile TV service =
use-case.
 1.2)Cost additional wireless resource in wireless situation. Without it =
, we can save more resource not only during handover but also in network =
entry progress. Espically, it is useful to those static multicast tree =
scenario.
    From the architecture perspective, the support of network management =
is the base of MN management. Since other signal flow will be the same =
except MAG need have the ability to deal with additional MLD report sent =
from MN.So it is no more additional cost on current design but bring a =
better scability.


    In detail, the progress of the management of multicast service by =
network just like the following:
 When the MN just attachs to a MAG, the MAG will get the MN's profile =
and will know some pre-configured multicast services need to be =
established, then it will ask LMA to provide the respective service, in =
this case, the method used to communicate to LMA from MAG can be either =
PMIP signals or MLD report(join) messages etc. LMA will check about this =
request and do the decision based on it's acknowledges about it.
     During handover, it will be very like current design. The CXT is =
expect to provide necessary multicast infomation and if need, a 3-rd =
party policy store is required.=20

=20

    On summary, considering and allowing network administrativly =
subscription didn't impact on anything current we have considered and in =
addition , it can bring a scalability to current requirement of proxy =
multicast mobility.

=20

    Best Rgds,

Thanks,

=20

john.zhao

=20

=20


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<body lang=3DDE link=3Dblue vlink=3Dblue>

<div class=3DSection1>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Dear =
all,</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Not directly =
answering
the threads but rather commenting on the topic from an other =
operator&#8217;s
viewpoint: </span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>&nbsp;</span></fo=
nt></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>As far as I =
understand it
CMMB (China Multimedia Mobile Broadcasting) should be similar to =
Europe's DVB-SH
(Satellite services to Handhelds) standard for DVB (digital video =
broadcast) which
is based on a hybrid satellite/terrestrial downlink combined with a =
different return
channel (e.g. via WLAN or 2G/3G) &#8211; such it should allow for normal =
MLD
operation as in MBMS (Multimedia Broadcast/Multicast Service) within =
3GPP/UMTS or
3GPP2 BCMCS (Broadcast and Multicast Services) which provides an =
approach to
multicast for mobile, an overlay to mobile networks that provides =
multicast
support &#8230; - furthermore DVB-IP Phase 1.3 will include IPTV =
subscription
via IGMP/MLD.</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>=A0</span></font>=
</p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Concerning pure =
DVB there
is an assumption that L3 at the MN does send an MLD to the interface =
(L2.x)
such that the correspondingly addressed multicast packets within DVB =
stream are
filtered and forwarded to L3.</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>&nbsp;</span></fo=
nt></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>I agree that =
operator
requirements for network preconfigured multicast service would include =
handover
support (subscription on behalf of MN to save resources or strengthen =
the
unreliable message transport) and may cover specific control or =
management
services (e.g. notification of available multicast streams to subscribe =
to such
as DVB&#8217;s ESG - =A0Electronic Servuice Guide or for =
operator-distributed additional
support services such as authorisation keys for decoding =
content)</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>&nbsp;</span></fo=
nt></p>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Best regards </span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Dirk&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'>-----Urspr=FCngliche =
Nachricht-----<br>
<b><span style=3D'font-weight:bold'>Von:</span></b> =
multimob-bounces@ietf.org
[mailto:multimob-bounces@ietf.org] <b><span =
style=3D'font-weight:bold'>Im Auftrag
von </span></b>John.zhao<br>
<b><span style=3D'font-weight:bold'>Gesendet:</span></b> Dienstag, 4. =
November
2008 07:25<br>
<b><span style=3D'font-weight:bold'>An:</span></b> 'Hui Deng'<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> multimob@ietf.org<br>
<b><span style=3D'font-weight:bold'>Betreff:</span></b> Re: [multimob] =
Comments
ondraft-deng-multimob-pmip6-requirement-01.txt</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Hi,hui</span></f=
ont></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
Forget to post the reply in maillist. See following =
comments.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
You are right. They are all need MN to send the request to join to =
trigger the
receive of multicast except the CMMB , I'm not sure. But it is because =
we
didn't have other methods to be used before. Currently, some system just =
like
IEEE802.16 is discussing about this kind of support via layer-2, once it =
is
ready, then the joinging&nbsp;in layer-3 can be omitted. In another =
side, the
DVB-H is another case, since it havn't the uplink , so even mobile node =
want to
send the joining request, but the request can't be sent to network. It =
is a
kind of &quot;uni-direction link&quot;. I think it is useful for =
operator to
push some feature service within its domian .</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
How about it?</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
Best Rgds,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Thanks,</span></=
font></p>

</div>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblack
face=3DSTXihei><span =
style=3D'font-size:10.0pt;font-family:STXihei;color:black'>john.zhao</spa=
n></font></p>

<div>

<div class=3DMsoNormal align=3Dcenter =
style=3D'margin-left:35.4pt;text-align:center'><font
size=3D3 face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter>

</span></font></div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>Hi, =
John,</span></font></p>

</div>

<blockquote style=3D'border:none;border-left:solid blue =
1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'=
>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>Sorry for my =
late reply,
here you are suggesting that we would better include network =
preconfigured
multicast service which need infrastrucutre support.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>What I could =
remind is
that normally such kind of service will be provided =
by&nbsp;MBMS,&nbsp;BCMCS,
especially mobile TV service they also could be based on dedicated TV =
mechanism
like CMMB.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>thanks for =
your
discussion.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>-Hui</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>2008/10/24 =
John.zhao &lt;<a
href=3D"mailto:john.zhao@huawei.com">john.zhao@huawei.com</a>&gt;</span><=
/font></p>

<div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2
face=3D"Times New Roman"><span style=3D'font-size:10.0pt'>Hello,Hui and =
all</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;&nbsp;&nbsp; </span></font><font
size=3D2><span style=3D'font-size:10.0pt'>One comments on section 3.1 =
about
&quot;R2 - The mobile node is responsible for initially subscribing to =
the
multicast group(s).&quot; .&nbsp;To some network control multicast =
service,
this subscribtion info can be got from policy store or pre-configuration =
on
MAG. I don't object MN can't initiate the subscribtion,but the =
subscribtion is
no need rely on the request come from MN only.&nbsp;With only MN
initiated&nbsp;subscription of multicast group(s),the operator's network =
will:</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2
face=3D"Times New Roman"><span style=3D'font-size:10.0pt'>&nbsp;1.1)No =
network
originated service support. All of any kind of multicast service will be
initiated from MN.But in fact, there are still some typical service =
should be
managed from network side.From the point of view of the MN it is like a =
TV
broadcast model. It is worth to handle this case too because it may =
corresponds
to DVB-H mobile TV service use-case.<br>
&nbsp;1.2)Cost additional wireless resource in wireless situation. =
Without it ,
we can save more resource not only during handover but also in network =
entry
progress. Espically, it is useful to those static multicast tree =
scenario.<br>
&nbsp;&nbsp;&nbsp; From the architecture perspective, the support of =
network
management is the base of MN management. Since other signal flow will be =
the
same except MAG need have the ability to deal with additional MLD report =
sent
from MN.So it is no more additional cost on current design but bring a =
better
scability.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'><br>
</span></font><font size=3D2><span =
style=3D'font-size:10.0pt'>&nbsp;&nbsp;&nbsp; In
detail, the progress of the management of multicast service by network =
just
like the following:<br>
&nbsp;When the MN just attachs to a MAG, the MAG will get the MN's =
profile and
will know some pre-configured multicast services need to be established, =
then
it will ask LMA to provide the respective service, in this case, the =
method
used to communicate to LMA from MAG can be either PMIP signals or MLD
report(join) messages etc. LMA will check about this request and do the
decision based on it's acknowledges about it.<br>
&nbsp;&nbsp;&nbsp;&nbsp; During handover, it will be very like current =
design.
The CXT is expect to provide necessary multicast infomation and if need, =
a 3-rd
party policy store is required. </span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2
face=3D"Times New Roman"><span =
style=3D'font-size:10.0pt'>&nbsp;&nbsp;&nbsp; On
summary, considering and allowing network administrativly subscription =
didn't
impact on anything current we have considered and in addition , it can =
bring a
scalability to current requirement of proxy multicast =
mobility.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;&nbsp;&nbsp; </span></font><font
size=3D2><span style=3D'font-size:10.0pt'>Best Rgds,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2
face=3D"Times New Roman"><span =
style=3D'font-size:10.0pt'>Thanks,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

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color=3D"#888888"
face=3D"=BB=AA=CE=C4=CF=B8=BA=DA"><span =
style=3D'font-size:10.0pt;font-family:=BB=AA=CE=C4=CF=B8=BA=DA;color:#888=
888'>john.zhao</span></font></p>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3 =
color=3D"#888888"
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt;color:#888888'>&nbsp;</span></font></p>

</div>

</div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</blockquote>

</div>

</body>

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Date: Thu, 06 Nov 2008 16:01:26 +0800
From: "John.zhao" <john.zhao@huawei.com>
In-reply-to: <643B0A1D1A13AB498304E0BBC80278481761B6@S4DE8PSAAQC.mitte.t-com.de>
To: "'von Hugo, Dirk'" <Dirk.Hugo@t-systems.com>, denghui02@gmail.com
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Subject: Re: [multimob] Comments
	ondraft-deng-multimob-pmip6-requirement-01.txt
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Hi,Dirk
=20
        Thanks for your explanation. See my comments inline.
   =20
    Best Rgds,
Thanks,

john.zhao


Dear all,

Not directly answering the threads but rather commenting on the topic =
from
an other operator=92s viewpoint:=20

=20

As far as I understand it CMMB (China Multimedia Mobile Broadcasting) =
should
be similar to Europe's DVB-SH (Satellite services to Handhelds) standard =
for
DVB (digital video broadcast) which is based on a hybrid
satellite/terrestrial downlink combined with a different return channel
(e.g. via WLAN or 2G/3G) =96 such it should allow for normal MLD =
operation as
in MBMS (Multimedia Broadcast/Multicast Service) within 3GPP/UMTS or =
3GPP2
BCMCS (Broadcast and Multicast Services) which provides an approach to
multicast for mobile, an overlay to mobile networks that provides =
multicast
support =85 - furthermore DVB-IP Phase 1.3 will include IPTV =
subscription via
IGMP/MLD.
[John.zhao] So inteactive return channel is optional and the support of
IGMP/MLD is for future,right?

=20

Concerning pure DVB there is an assumption that L3 at the MN does send =
an
MLD to the interface (L2.x) such that the correspondingly addressed
multicast packets within DVB stream are filtered and forwarded to L3.
[John.zhao] If are you mean that MN will send MLD from L3 to interface =
in L2
to inform about related multicast address etc . But L2 may filter it and
didn't send it out if no return channel available?

=20

I agree that operator requirements for network preconfigured multicast
service would include handover support (subscription on behalf of MN to =
save
resources or strengthen the unreliable message transport) and may cover
specific control or management services (e.g. notification of available
multicast streams to subscribe to such as DVB=92s ESG -  Electronic =
Servuice
Guide or for operator-distributed additional support services such as
authorisation keys for decoding content)
[John.zhao] Yes. Agree.=20

=20

Best regards=20

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: multimob-bounces@ietf.org [mailto:multimob-bounces@ietf.org] Im =
Auftrag
von John.zhao
Gesendet: Dienstag, 4. November 2008 07:25
An: 'Hui Deng'
Cc: multimob@ietf.org
Betreff: Re: [multimob] Comments
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi,hui

=20

    Forget to post the reply in maillist. See following comments.

    You are right. They are all need MN to send the request to join to
trigger the receive of multicast except the CMMB , I'm not sure. But it =
is
because we didn't have other methods to be used before. Currently, some
system just like IEEE802.16 is discussing about this kind of support via
layer-2, once it is ready, then the joinging in layer-3 can be omitted. =
In
another side, the DVB-H is another case, since it havn't the uplink , so
even mobile node want to send the joining request, but the request can't =
be
sent to network. It is a kind of "uni-direction link". I think it is =
useful
for operator to push some feature service within its domian .

    How about it?

=20

=20

    Best Rgds,

Thanks,

=20

=20

john.zhao


  _____ =20


Hi, John,

=20

Sorry for my late reply, here you are suggesting that we would better
include network preconfigured multicast service which need =
infrastrucutre
support.

What I could remind is that normally such kind of service will be =
provided
by MBMS, BCMCS, especially mobile TV service they also could be based on
dedicated TV mechanism like CMMB.

=20

thanks for your discussion.

=20

-Hui

2008/10/24 John.zhao <john.zhao@huawei.com>

Hello,Hui and all

=20

    One comments on section 3.1 about "R2 - The mobile node is =
responsible
for initially subscribing to the multicast group(s)." . To some network
control multicast service, this subscribtion info can be got from policy
store or pre-configuration on MAG. I don't object MN can't initiate the
subscribtion,but the subscribtion is no need rely on the request come =
from
MN only. With only MN initiated subscription of multicast group(s),the
operator's network will:

 1.1)No network originated service support. All of any kind of multicast
service will be initiated from MN.But in fact, there are still some =
typical
service should be managed from network side.From the point of view of =
the MN
it is like a TV broadcast model. It is worth to handle this case too =
because
it may corresponds to DVB-H mobile TV service use-case.
 1.2)Cost additional wireless resource in wireless situation. Without it =
,
we can save more resource not only during handover but also in network =
entry
progress. Espically, it is useful to those static multicast tree =
scenario.
    From the architecture perspective, the support of network management =
is
the base of MN management. Since other signal flow will be the same =
except
MAG need have the ability to deal with additional MLD report sent from =
MN.So
it is no more additional cost on current design but bring a better
scability.


    In detail, the progress of the management of multicast service by
network just like the following:
 When the MN just attachs to a MAG, the MAG will get the MN's profile =
and
will know some pre-configured multicast services need to be established,
then it will ask LMA to provide the respective service, in this case, =
the
method used to communicate to LMA from MAG can be either PMIP signals or =
MLD
report(join) messages etc. LMA will check about this request and do the
decision based on it's acknowledges about it.
     During handover, it will be very like current design. The CXT is =
expect
to provide necessary multicast infomation and if need, a 3-rd party =
policy
store is required.=20

=20

    On summary, considering and allowing network administrativly
subscription didn't impact on anything current we have considered and in
addition , it can bring a scalability to current requirement of proxy
multicast mobility.

=20

    Best Rgds,

Thanks,

=20

john.zhao

=20

=20


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<BODY lang=3DDE vLink=3Dblue link=3Dblue>
<DIV><SPAN class=3D188435507-06112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff=20
size=3D2>Hi,Dirk</FONT></SPAN></DIV>
<DIV><SPAN class=3D188435507-06112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN =
class=3D188435507-06112008>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
<FONT face=3D&#23435;&#20307; color=3D#0000ff size=3D2>Thanks for your =
explanation. See my comments=20
inline.</FONT></SPAN></DIV>
<DIV><FONT face=3D&#23435;&#20307; color=3D#0000ff size=3D2><SPAN=20
class=3D188435507-06112008>&nbsp;&nbsp;&nbsp; </SPAN></FONT></DIV>
<DIV><FONT face=3D&#23435;&#20307; color=3D#0000ff size=3D2><SPAN=20
class=3D188435507-06112008>&nbsp;&nbsp;&nbsp; Best =
Rgds,</SPAN></FONT></DIV>
<DIV><FONT face=3D&#23435;&#20307; color=3D#0000ff size=3D2><SPAN=20
class=3D188435507-06112008>Thanks,</SPAN></FONT></DIV>
<P></P>
<P></P><FONT face=3D&#21326;&#25991;&#32454;&#40657; color=3Dblack =
size=3D2>john.zhao<BR></FONT>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px =
solid; MARGIN-RIGHT: 0px">
  <DIV class=3DOutlookMessageHeader lang=3Dzh-cn dir=3Dltr =
align=3Dleft><FONT face=3DArial=20
  color=3Dnavy size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Dear=20
  all,</SPAN></FONT></DIV>
  <DIV class=3DSection1>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Not =
directly=20
  answering the threads but rather commenting on the topic from an other =

  operator=92s viewpoint: </SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">As far as I =

  understand it CMMB (China Multimedia Mobile Broadcasting) should be =
similar to=20
  Europe's DVB-SH (Satellite services to Handhelds) standard for DVB =
(digital=20
  video broadcast) which is based on a hybrid satellite/terrestrial =
downlink=20
  combined with a different return channel (e.g. via WLAN or 2G/3G) =96 =
such it=20
  should allow for normal MLD operation as in MBMS (Multimedia=20
  Broadcast/Multicast Service) within 3GPP/UMTS or 3GPP2 BCMCS =
(Broadcast and=20
  Multicast Services) which provides an approach to multicast for =
mobile, an=20
  overlay to mobile networks that provides multicast support =85 - =
furthermore=20
  DVB-IP Phase 1.3 will include IPTV subscription via IGMP/MLD.<BR><SPAN =

  class=3D188435507-06112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff>[John.zhao]&nbsp;So=20
  inteactive return channel is optional and the support of =
IGMP/MLD&nbsp;is for=20
  future,right?</FONT></SPAN></SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Concerning =
pure DVB=20
  there is an assumption that L3 at the MN does send an MLD to the =
interface=20
  (L2.x) such that the correspondingly addressed multicast packets =
within DVB=20
  stream are filtered and forwarded to L3.<BR><SPAN=20
  class=3D188435507-06112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff>[John.zhao]&nbsp;If are=20
  you mean that MN will send MLD from L3 to interface in L2 to inform =
about=20
  related multicast address etc . But L2 may filter it and didn't send =
it out if=20
  no return channel available?</FONT></SPAN></SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I agree =
that operator=20
  requirements for network preconfigured multicast service would include =

  handover support (subscription on behalf of MN to save resources or =
strengthen=20
  the unreliable message transport) and may cover specific control or =
management=20
  services (e.g. notification of available multicast streams to =
subscribe to=20
  such as DVB=92s ESG - &nbsp;Electronic Servuice Guide or for=20
  operator-distributed additional support services such as authorisation =
keys=20
  for decoding content)<BR><SPAN class=3D188435507-06112008><FONT =
face=3D&#23435;&#20307;=20
  =
color=3D#0000ff>[John.zhao]&nbsp;Yes.&nbsp;Agree.&nbsp;</FONT></SPAN></SP=
AN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>
  <DIV>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Best =
regards=20
  </SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Dirk&nbsp;</SPAN></FONT></P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DTahoma =
size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Urspr=FCngliche=20
  Nachricht-----<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Von:</SPAN></B> =

  multimob-bounces@ietf.org [mailto:multimob-bounces@ietf.org] <B><SPAN=20
  style=3D"FONT-WEIGHT: bold">Im Auftrag von =
</SPAN></B>John.zhao<BR><B><SPAN=20
  style=3D"FONT-WEIGHT: bold">Gesendet:</SPAN></B> Dienstag, 4. November =
2008=20
  07:25<BR><B><SPAN style=3D"FONT-WEIGHT: bold">An:</SPAN></B> 'Hui=20
  Deng'<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B>=20
  multimob@ietf.org<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Betreff:</SPAN></B>=20
  Re: [multimob] Comments=20
  ondraft-deng-multimob-pmip6-requirement-01.txt</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Hi,hui</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  Forget to post the reply in maillist. See following=20
  comments.</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  You are right. They are all need MN to send the request to join to =
trigger the=20
  receive of multicast except the CMMB , I'm not sure. But it is because =
we=20
  didn't have other methods to be used before. Currently, some system =
just like=20
  IEEE802.16 is discussing about this kind of support via layer-2, once =
it is=20
  ready, then the joinging&nbsp;in layer-3 can be omitted. In another =
side, the=20
  DVB-H is another case, since it havn't the uplink , so even mobile =
node want=20
  to send the joining request, but the request can't be sent to network. =
It is a=20
  kind of "uni-direction link". I think it is useful for operator to =
push some=20
  feature service within its domian .</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  How about it?</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  Best Rgds,</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Thanks,</SPAN></FONT></P></DIV></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3DSTXihei color=3Dblack=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: =
STXihei">john.zhao</SPAN></FONT></P>
  <DIV>
  <DIV class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt; TEXT-ALIGN: =
center"=20
  align=3Dcenter><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">
  <HR align=3Dcenter width=3D"100%" SIZE=3D2>
  </SPAN></FONT></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt">Hi, =
John,</SPAN></FONT></P></DIV>
  <BLOCKQUOTE=20
  style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: =
medium none; PADDING-LEFT: 4pt; PADDING-BOTTOM: 0cm; MARGIN: 5pt 0cm 5pt =
3.75pt; BORDER-LEFT: blue 1.5pt solid; PADDING-TOP: 0cm; BORDER-BOTTOM: =
medium none">
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">Sorry for my late reply, =
here you are=20
    suggesting that we would better include network preconfigured =
multicast=20
    service which need infrastrucutre support.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">What I could remind is that =
normally=20
    such kind of service will be provided by&nbsp;MBMS,&nbsp;BCMCS, =
especially=20
    mobile TV service they also could be based on dedicated TV mechanism =
like=20
    CMMB.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">thanks for your=20
    discussion.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt">-Hui</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">2008/10/24 John.zhao &lt;<A =

    =
href=3D"mailto:john.zhao@huawei.com">john.zhao@huawei.com</A>&gt;</SPAN><=
/FONT></P>
    <DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">Hello,Hui and=20
    all</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">&nbsp;&nbsp;&nbsp; =
</SPAN></FONT><FONT=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">One comments on section 3.1 =
about "R2 -=20
    The mobile node is responsible for initially subscribing to the =
multicast=20
    group(s)." .&nbsp;To some network control multicast service, this=20
    subscribtion info can be got from policy store or pre-configuration =
on MAG.=20
    I don't object MN can't initiate the subscribtion,but the =
subscribtion is no=20
    need rely on the request come from MN only.&nbsp;With only MN=20
    initiated&nbsp;subscription of multicast group(s),the operator's =
network=20
    will:</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">&nbsp;1.1)No network =
originated service=20
    support. All of any kind of multicast service will be initiated from =
MN.But=20
    in fact, there are still some typical service should be managed from =
network=20
    side.From the point of view of the MN it is like a TV broadcast =
model. It is=20
    worth to handle this case too because it may corresponds to DVB-H =
mobile TV=20
    service use-case.<BR>&nbsp;1.2)Cost additional wireless resource in =
wireless=20
    situation. Without it , we can save more resource not only during =
handover=20
    but also in network entry progress. Espically, it is useful to those =
static=20
    multicast tree scenario.<BR>&nbsp;&nbsp;&nbsp; From the architecture =

    perspective, the support of network management is the base of MN =
management.=20
    Since other signal flow will be the same except MAG need have the =
ability to=20
    deal with additional MLD report sent from MN.So it is no more =
additional=20
    cost on current design but bring a better =
scability.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt"><BR></SPAN></FONT><FONT =
size=3D2><SPAN=20
    style=3D"FONT-SIZE: 10pt">&nbsp;&nbsp;&nbsp; In detail, the progress =
of the=20
    management of multicast service by network just like the=20
    following:<BR>&nbsp;When the MN just attachs to a MAG, the MAG will =
get the=20
    MN's profile and will know some pre-configured multicast services =
need to be=20
    established, then it will ask LMA to provide the respective service, =
in this=20
    case, the method used to communicate to LMA from MAG can be either =
PMIP=20
    signals or MLD report(join) messages etc. LMA will check about this =
request=20
    and do the decision based on it's acknowledges about=20
    it.<BR>&nbsp;&nbsp;&nbsp;&nbsp; During handover, it will be very =
like=20
    current design. The CXT is expect to provide necessary multicast =
infomation=20
    and if need, a 3-rd party policy store is required. =
</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">&nbsp;&nbsp;&nbsp; On =
summary,=20
    considering and allowing network administrativly subscription didn't =
impact=20
    on anything current we have considered and in addition , it can =
bring a=20
    scalability to current requirement of proxy multicast=20
    mobility.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">&nbsp;&nbsp;&nbsp; =
</SPAN></FONT><FONT=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">Best =
Rgds,</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: =
10pt">Thanks,</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D=BB=AA=CE=C4=CF=B8=BA=DA=20
    color=3D#888888 size=3D2><SPAN=20
    style=3D"FONT-SIZE: 10pt; COLOR: #888888; FONT-FAMILY: =
=BB=AA=CE=C4=CF=B8=BA=DA">john.zhao</SPAN></FONT></P>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    color=3D#888888 size=3D3><SPAN=20
    style=3D"FONT-SIZE: 12pt; COLOR: =
#888888"></SPAN></FONT>&nbsp;</P></DIV></DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN=20
  style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></BLOCKQUOTE></DIV></BLOCKQUOTE></BODY></HT=
ML>

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From: "von Hugo, Dirk" <Dirk.Hugo@t-systems.com>
To: <john.zhao@huawei.com>,
    <denghui02@gmail.com>
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Subject: Re: [multimob] Comments
	ondraft-deng-multimob-pmip6-requirement-01.txt
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Dear John,

exactly that's what I wanted to say ...

Thanks and best regards

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: John.zhao [mailto:john.zhao@huawei.com]=20
Gesendet: Donnerstag, 6. November 2008 09:01
An: von Hugo, Dirk; denghui02@gmail.com
Cc: multimob@ietf.org
Betreff: RE: [multimob] Comments =
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi,Dirk

=20

        Thanks for your explanation. See my comments inline.

   =20

    Best Rgds,

Thanks,

john.zhao

Dear all,

Not directly answering the threads but rather commenting on the topic =
from an other operator's viewpoint:=20

=20

As far as I understand it CMMB (China Multimedia Mobile Broadcasting) =
should be similar to Europe's DVB-SH (Satellite services to Handhelds) =
standard for DVB (digital video broadcast) which is based on a hybrid =
satellite/terrestrial downlink combined with a different return channel =
(e.g. via WLAN or 2G/3G) - such it should allow for normal MLD operation =
as in MBMS (Multimedia Broadcast/Multicast Service) within 3GPP/UMTS or =
3GPP2 BCMCS (Broadcast and Multicast Services) which provides an =
approach to multicast for mobile, an overlay to mobile networks that =
provides multicast support ... - furthermore DVB-IP Phase 1.3 will =
include IPTV subscription via IGMP/MLD.
[John.zhao] So inteactive return channel is optional and the support of =
IGMP/MLD is for future,right?

=20

Concerning pure DVB there is an assumption that L3 at the MN does send =
an MLD to the interface (L2.x) such that the correspondingly addressed =
multicast packets within DVB stream are filtered and forwarded to L3.
[John.zhao] If are you mean that MN will send MLD from L3 to interface =
in L2 to inform about related multicast address etc . But L2 may filter =
it and didn't send it out if no return channel available?

=20

I agree that operator requirements for network preconfigured multicast =
service would include handover support (subscription on behalf of MN to =
save resources or strengthen the unreliable message transport) and may =
cover specific control or management services (e.g. notification of =
available multicast streams to subscribe to such as DVB's ESG -  =
Electronic Servuice Guide or for operator-distributed additional support =
services such as authorisation keys for decoding content)
[John.zhao] Yes. Agree.=20

=20

Best regards=20

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: multimob-bounces@ietf.org [mailto:multimob-bounces@ietf.org] Im =
Auftrag von John.zhao
Gesendet: Dienstag, 4. November 2008 07:25
An: 'Hui Deng'
Cc: multimob@ietf.org
Betreff: Re: [multimob] Comments =
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi,hui

=20

    Forget to post the reply in maillist. See following comments.

    You are right. They are all need MN to send the request to join to =
trigger the receive of multicast except the CMMB , I'm not sure. But it =
is because we didn't have other methods to be used before. Currently, =
some system just like IEEE802.16 is discussing about this kind of =
support via layer-2, once it is ready, then the joinging in layer-3 can =
be omitted. In another side, the DVB-H is another case, since it havn't =
the uplink , so even mobile node want to send the joining request, but =
the request can't be sent to network. It is a kind of "uni-direction =
link". I think it is useful for operator to push some feature service =
within its domian .

    How about it?

=20

=20

    Best Rgds,

Thanks,

=20

=20

john.zhao

  _____ =20

Hi, John,

=20

Sorry for my late reply, here you are suggesting that we would better =
include network preconfigured multicast service which need =
infrastrucutre support.

What I could remind is that normally such kind of service will be =
provided by MBMS, BCMCS, especially mobile TV service they also could be =
based on dedicated TV mechanism like CMMB.

=20

thanks for your discussion.

=20

-Hui

2008/10/24 John.zhao <john.zhao@huawei.com>

Hello,Hui and all

=20

    One comments on section 3.1 about "R2 - The mobile node is =
responsible for initially subscribing to the multicast group(s)." . To =
some network control multicast service, this subscribtion info can be =
got from policy store or pre-configuration on MAG. I don't object MN =
can't initiate the subscribtion,but the subscribtion is no need rely on =
the request come from MN only. With only MN initiated subscription of =
multicast group(s),the operator's network will:

 1.1)No network originated service support. All of any kind of multicast =
service will be initiated from MN.But in fact, there are still some =
typical service should be managed from network side.From the point of =
view of the MN it is like a TV broadcast model. It is worth to handle =
this case too because it may corresponds to DVB-H mobile TV service =
use-case.
 1.2)Cost additional wireless resource in wireless situation. Without it =
, we can save more resource not only during handover but also in network =
entry progress. Espically, it is useful to those static multicast tree =
scenario.
    From the architecture perspective, the support of network management =
is the base of MN management. Since other signal flow will be the same =
except MAG need have the ability to deal with additional MLD report sent =
from MN.So it is no more additional cost on current design but bring a =
better scability.


    In detail, the progress of the management of multicast service by =
network just like the following:
 When the MN just attachs to a MAG, the MAG will get the MN's profile =
and will know some pre-configured multicast services need to be =
established, then it will ask LMA to provide the respective service, in =
this case, the method used to communicate to LMA from MAG can be either =
PMIP signals or MLD report(join) messages etc. LMA will check about this =
request and do the decision based on it's acknowledges about it.
     During handover, it will be very like current design. The CXT is =
expect to provide necessary multicast infomation and if need, a 3-rd =
party policy store is required.=20

=20

    On summary, considering and allowing network administrativly =
subscription didn't impact on anything current we have considered and in =
addition , it can bring a scalability to current requirement of proxy =
multicast mobility.

=20

    Best Rgds,

Thanks,

=20

john.zhao

=20

=20


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<div class=3DSection1>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Dear =
John,</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>exactly =
that&#8217;s what
I wanted to say &#8230;</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Thanks and =
b</span></font><font
size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>est regards</span></font></p>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Dirk&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'>-----Urspr=FCngliche =
Nachricht-----<br>
<b><span style=3D'font-weight:bold'>Von:</span></b> John.zhao
[mailto:john.zhao@huawei.com] <br>
<b><span style=3D'font-weight:bold'>Gesendet:</span></b> Donnerstag, 6. =
November
2008 09:01<br>
<b><span style=3D'font-weight:bold'>An:</span></b> von Hugo, Dirk;
denghui02@gmail.com<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> multimob@ietf.org<br>
<b><span style=3D'font-weight:bold'>Betreff:</span></b> RE: [multimob] =
Comments
ondraft-deng-multimob-pmip6-requirement-01.txt</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Hi,Dirk</span></=
font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=3D2 color=3Dblue face=3DSimSun><span =
style=3D'font-size:10.0pt;
font-family:SimSun;color:blue'>Thanks for your explanation. See my =
comments
inline.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
Best Rgds,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Thanks,</span></=
font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblack
face=3DSTXihei><span =
style=3D'font-size:10.0pt;font-family:STXihei;color:black'>john.zhao</spa=
n></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>Dear all,</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>Not directly answering the threads but rather commenting on =
the
topic from an other operator&#8217;s viewpoint: </span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>As far as I understand it CMMB (China Multimedia Mobile
Broadcasting) should be similar to Europe's DVB-SH (Satellite services =
to
Handhelds) standard for DVB (digital video broadcast) which is based on =
a
hybrid satellite/terrestrial downlink combined with a different return =
channel
(e.g. via WLAN or 2G/3G) &#8211; such it should allow for normal MLD =
operation
as in MBMS (Multimedia Broadcast/Multicast Service) within 3GPP/UMTS or =
3GPP2
BCMCS (Broadcast and Multicast Services) which provides an approach to
multicast for mobile, an overlay to mobile networks that provides =
multicast
support &#8230; - furthermore DVB-IP Phase 1.3 will include IPTV =
subscription
via IGMP/MLD.<br>
</span></font><font size=3D2 color=3Dblue face=3DSimSun><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>[John.zhao]&nbsp=
;So
inteactive return channel is optional and the support of =
IGMP/MLD&nbsp;is for
future,right?</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>Concerning pure DVB there is an assumption that L3 at the MN =
does
send an MLD to the interface (L2.x) such that the correspondingly =
addressed
multicast packets within DVB stream are filtered and forwarded to =
L3.<br>
</span></font><font size=3D2 color=3Dblue face=3DSimSun><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>[John.zhao]&nbsp=
;If are
you mean that MN will send MLD from L3 to interface in L2 to inform =
about
related multicast address etc . But L2 may filter it and didn't send it =
out if
no return channel available?</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>I agree that operator requirements for network preconfigured
multicast service would include handover support (subscription on behalf =
of MN
to save resources or strengthen the unreliable message transport) and =
may cover
specific control or management services (e.g. notification of available
multicast streams to subscribe to such as DVB&#8217;s ESG - =
&nbsp;Electronic
Servuice Guide or for operator-distributed additional support services =
such as
authorisation keys for decoding content)<br>
</span></font><font size=3D2 color=3Dblue face=3DSimSun><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>[John.zhao]&nbsp=
;Yes.&nbsp;Agree.&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Best
regards </span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Dirk&nbsp;</span>=
</font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'>-----Urspr=FCngliche =
Nachricht-----<br>
<b><span style=3D'font-weight:bold'>Von:</span></b> =
multimob-bounces@ietf.org
[mailto:multimob-bounces@ietf.org] <b><span =
style=3D'font-weight:bold'>Im Auftrag
von </span></b>John.zhao<br>
<b><span style=3D'font-weight:bold'>Gesendet:</span></b> Dienstag, 4. =
November
2008 07:25<br>
<b><span style=3D'font-weight:bold'>An:</span></b> 'Hui Deng'<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> multimob@ietf.org<br>
<b><span style=3D'font-weight:bold'>Betreff:</span></b> Re: [multimob] =
Comments
ondraft-deng-multimob-pmip6-requirement-01.txt</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Hi,hui</span></f=
ont></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
Forget to post the reply in maillist. See following =
comments.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
You are right. They are all need MN to send the request to join to =
trigger the
receive of multicast except the CMMB , I'm not sure. But it is because =
we
didn't have other methods to be used before. Currently, some system just =
like
IEEE802.16 is discussing about this kind of support via layer-2, once it =
is
ready, then the joinging&nbsp;in layer-3 can be omitted. In another =
side, the
DVB-H is another case, since it havn't the uplink , so even mobile node =
want to
send the joining request, but the request can't be sent to network. It =
is a
kind of &quot;uni-direction link&quot;. I think it is useful for =
operator to
push some feature service within its domian .</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
How about it?</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
Best Rgds,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Thanks,</span></=
font></p>

</div>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblack
face=3DSTXihei><span =
style=3D'font-size:10.0pt;font-family:STXihei;color:black'>john.zhao</spa=
n></font></p>

<div>

<div style=3D'margin-left:35.4pt'>

<div class=3DMsoNormal align=3Dcenter =
style=3D'margin-left:35.4pt;text-align:center'><font
size=3D3 face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter>

</span></font></div>

</div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>Hi, =
John,</span></font></p>

</div>

<blockquote style=3D'border:none;border-left:solid blue =
1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'=
>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>Sorry for my =
late reply,
here you are suggesting that we would better include network =
preconfigured
multicast service which need infrastrucutre support.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>What I could =
remind is
that normally such kind of service will be provided =
by&nbsp;MBMS,&nbsp;BCMCS,
especially mobile TV service they also could be based on dedicated TV =
mechanism
like CMMB.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>thanks for =
your
discussion.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>-Hui</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>2008/10/24 =
John.zhao &lt;<a
href=3D"mailto:john.zhao@huawei.com">john.zhao@huawei.com</a>&gt;</span><=
/font></p>

<div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2
face=3D"Times New Roman"><span style=3D'font-size:10.0pt'>Hello,Hui and =
all</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;&nbsp;&nbsp; </span></font><font
size=3D2><span style=3D'font-size:10.0pt'>One comments on section 3.1 =
about
&quot;R2 - The mobile node is responsible for initially subscribing to =
the
multicast group(s).&quot; .&nbsp;To some network control multicast =
service,
this subscribtion info can be got from policy store or pre-configuration =
on MAG.
I don't object MN can't initiate the subscribtion,but the subscribtion =
is no
need rely on the request come from MN only.&nbsp;With only MN
initiated&nbsp;subscription of multicast group(s),the operator's network =
will:</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2
face=3D"Times New Roman"><span style=3D'font-size:10.0pt'>&nbsp;1.1)No =
network
originated service support. All of any kind of multicast service will be
initiated from MN.But in fact, there are still some typical service =
should be
managed from network side.From the point of view of the MN it is like a =
TV
broadcast model. It is worth to handle this case too because it may =
corresponds
to DVB-H mobile TV service use-case.<br>
&nbsp;1.2)Cost additional wireless resource in wireless situation. =
Without it ,
we can save more resource not only during handover but also in network =
entry
progress. Espically, it is useful to those static multicast tree =
scenario.<br>
&nbsp;&nbsp;&nbsp; From the architecture perspective, the support of =
network
management is the base of MN management. Since other signal flow will be =
the
same except MAG need have the ability to deal with additional MLD report =
sent
from MN.So it is no more additional cost on current design but bring a =
better
scability.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'><br>
</span></font><font size=3D2><span =
style=3D'font-size:10.0pt'>&nbsp;&nbsp;&nbsp; In
detail, the progress of the management of multicast service by network =
just
like the following:<br>
&nbsp;When the MN just attachs to a MAG, the MAG will get the MN's =
profile and
will know some pre-configured multicast services need to be established, =
then
it will ask LMA to provide the respective service, in this case, the =
method
used to communicate to LMA from MAG can be either PMIP signals or MLD
report(join) messages etc. LMA will check about this request and do the
decision based on it's acknowledges about it.<br>
&nbsp;&nbsp;&nbsp;&nbsp; During handover, it will be very like current =
design.
The CXT is expect to provide necessary multicast infomation and if need, =
a 3-rd
party policy store is required. </span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2
face=3D"Times New Roman"><span =
style=3D'font-size:10.0pt'>&nbsp;&nbsp;&nbsp; On
summary, considering and allowing network administrativly subscription =
didn't
impact on anything current we have considered and in addition , it can =
bring a
scalability to current requirement of proxy multicast =
mobility.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;&nbsp;&nbsp; </span></font><font
size=3D2><span style=3D'font-size:10.0pt'>Best Rgds,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2
face=3D"Times New Roman"><span =
style=3D'font-size:10.0pt'>Thanks,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3D"#888888"
face=3D"=BB=AA=CE=C4=CF=B8=BA=DA"><span =
style=3D'font-size:10.0pt;font-family:=BB=AA=CE=C4=CF=B8=BA=DA;color:#888=
888'>john.zhao</span></font></p>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

</div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</blockquote>

</div>

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_______________________________________________
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Date: Thu, 06 Nov 2008 17:58:18 +0800
From: "John.zhao" <john.zhao@huawei.com>
In-reply-to: <643B0A1D1A13AB498304E0BBC80278481761C2@S4DE8PSAAQC.mitte.t-com.de>
To: "'von Hugo, Dirk'" <Dirk.Hugo@t-systems.com>, denghui02@gmail.com
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Subject: Re: [multimob] Comments
	ondraft-deng-multimob-pmip6-requirement-01.txt
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Hi, Dirk
=20
=20
        In addition, why not set network to promiscuous mode, since the
IGMP/MLD will not be sent to network? In that mode, application can got =
all
of packets sent to it and it can deal with them in application layer.
Although that will make the development a little complict.
=20
        Best Rgds,
Thanks,   =20
=20

john.zhao



=20

Dear John,

exactly that=92s what I wanted to say =85

Thanks and best regards

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: John.zhao [mailto:john.zhao@huawei.com]=20
Gesendet: Donnerstag, 6. November 2008 09:01
An: von Hugo, Dirk; denghui02@gmail.com
Cc: multimob@ietf.org
Betreff: RE: [multimob] Comments
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi,Dirk

=20

        Thanks for your explanation. See my comments inline.

   =20

    Best Rgds,

Thanks,

john.zhao

Dear all,

Not directly answering the threads but rather commenting on the topic =
from
an other operator=92s viewpoint:=20

=20

As far as I understand it CMMB (China Multimedia Mobile Broadcasting) =
should
be similar to Europe's DVB-SH (Satellite services to Handhelds) standard =
for
DVB (digital video broadcast) which is based on a hybrid
satellite/terrestrial downlink combined with a different return channel
(e.g. via WLAN or 2G/3G) =96 such it should allow for normal MLD =
operation as
in MBMS (Multimedia Broadcast/Multicast Service) within 3GPP/UMTS or =
3GPP2
BCMCS (Broadcast and Multicast Services) which provides an approach to
multicast for mobile, an overlay to mobile networks that provides =
multicast
support =85 - furthermore DVB-IP Phase 1.3 will include IPTV =
subscription via
IGMP/MLD.
[John.zhao] So inteactive return channel is optional and the support of
IGMP/MLD is for future,right?

=20

Concerning pure DVB there is an assumption that L3 at the MN does send =
an
MLD to the interface (L2.x) such that the correspondingly addressed
multicast packets within DVB stream are filtered and forwarded to L3.
[John.zhao] If are you mean that MN will send MLD from L3 to interface =
in L2
to inform about related multicast address etc . But L2 may filter it and
didn't send it out if no return channel available?

=20

I agree that operator requirements for network preconfigured multicast
service would include handover support (subscription on behalf of MN to =
save
resources or strengthen the unreliable message transport) and may cover
specific control or management services (e.g. notification of available
multicast streams to subscribe to such as DVB=92s ESG -  Electronic =
Servuice
Guide or for operator-distributed additional support services such as
authorisation keys for decoding content)
[John.zhao] Yes. Agree.=20

=20

Best regards=20

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: multimob-bounces@ietf.org [mailto:multimob-bounces@ietf.org] Im =
Auftrag
von John.zhao
Gesendet: Dienstag, 4. November 2008 07:25
An: 'Hui Deng'
Cc: multimob@ietf.org
Betreff: Re: [multimob] Comments
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi,hui

=20

    Forget to post the reply in maillist. See following comments.

    You are right. They are all need MN to send the request to join to
trigger the receive of multicast except the CMMB , I'm not sure. But it =
is
because we didn't have other methods to be used before. Currently, some
system just like IEEE802.16 is discussing about this kind of support via
layer-2, once it is ready, then the joinging in layer-3 can be omitted. =
In
another side, the DVB-H is another case, since it havn't the uplink , so
even mobile node want to send the joining request, but the request can't =
be
sent to network. It is a kind of "uni-direction link". I think it is =
useful
for operator to push some feature service within its domian .

    How about it?

=20

=20

    Best Rgds,

Thanks,

=20

=20

john.zhao


  _____ =20


Hi, John,

=20

Sorry for my late reply, here you are suggesting that we would better
include network preconfigured multicast service which need =
infrastrucutre
support.

What I could remind is that normally such kind of service will be =
provided
by MBMS, BCMCS, especially mobile TV service they also could be based on
dedicated TV mechanism like CMMB.

=20

thanks for your discussion.

=20

-Hui

2008/10/24 John.zhao <john.zhao@huawei.com>

Hello,Hui and all

=20

    One comments on section 3.1 about "R2 - The mobile node is =
responsible
for initially subscribing to the multicast group(s)." . To some network
control multicast service, this subscribtion info can be got from policy
store or pre-configuration on MAG. I don't object MN can't initiate the
subscribtion,but the subscribtion is no need rely on the request come =
from
MN only. With only MN initiated subscription of multicast group(s),the
operator's network will:

 1.1)No network originated service support. All of any kind of multicast
service will be initiated from MN.But in fact, there are still some =
typical
service should be managed from network side.From the point of view of =
the MN
it is like a TV broadcast model. It is worth to handle this case too =
because
it may corresponds to DVB-H mobile TV service use-case.
 1.2)Cost additional wireless resource in wireless situation. Without it =
,
we can save more resource not only during handover but also in network =
entry
progress. Espically, it is useful to those static multicast tree =
scenario.
    From the architecture perspective, the support of network management =
is
the base of MN management. Since other signal flow will be the same =
except
MAG need have the ability to deal with additional MLD report sent from =
MN.So
it is no more additional cost on current design but bring a better
scability.


    In detail, the progress of the management of multicast service by
network just like the following:
 When the MN just attachs to a MAG, the MAG will get the MN's profile =
and
will know some pre-configured multicast services need to be established,
then it will ask LMA to provide the respective service, in this case, =
the
method used to communicate to LMA from MAG can be either PMIP signals or =
MLD
report(join) messages etc. LMA will check about this request and do the
decision based on it's acknowledges about it.
     During handover, it will be very like current design. The CXT is =
expect
to provide necessary multicast infomation and if need, a 3-rd party =
policy
store is required.=20

=20

    On summary, considering and allowing network administrativly
subscription didn't impact on anything current we have considered and in
addition , it can bring a scalability to current requirement of proxy
multicast mobility.

=20

    Best Rgds,

Thanks,

=20

john.zhao

=20

=20


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<BODY lang=3DDE vLink=3Dblue link=3Dblue>
<DIV><SPAN class=3D993555309-06112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff size=3D2>Hi,=20
Dirk</FONT></SPAN></DIV>
<DIV><SPAN class=3D993555309-06112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D993555309-06112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN=20
class=3D993555309-06112008>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;<FONT=20
face=3D&#23435;&#20307; color=3D#0000ff size=3D2>In addition,&nbsp;why =
not set network&nbsp;to=20
promiscuous mode, since the IGMP/MLD will not be sent to network? In =
that mode,=20
application can&nbsp;got all of packets sent to it and it can =
deal&nbsp;with=20
them in application layer. Although that will make the=20
development&nbsp;a&nbsp;little complict.</FONT></SPAN></DIV>
<DIV><SPAN class=3D993555309-06112008></SPAN>&nbsp;</DIV>
<DIV><SPAN=20
class=3D993555309-06112008>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;<FONT=20
face=3D&#23435;&#20307; color=3D#0000ff size=3D2>Best =
Rgds,</FONT></SPAN></DIV>
<DIV><SPAN class=3D993555309-06112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff=20
size=3D2>Thanks,</FONT>&nbsp;&nbsp;&nbsp; </SPAN></DIV>
<DIV><FONT face=3D&#23435;&#20307; color=3D#0000ff =
size=3D2></FONT>&nbsp;</DIV>
<P></P>
<P></P><FONT face=3D&#21326;&#25991;&#32454;&#40657; color=3Dblack =
size=3D2>john.zhao<BR></FONT>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px =
solid; MARGIN-RIGHT: 0px">
  <DIV class=3DOutlookMessageHeader lang=3Dzh-cn dir=3Dltr =
align=3Dleft><FONT face=3D&#23435;&#20307;=20
  color=3D#0000ff size=3D2></FONT><BR>&nbsp;</DIV>
  <DIV></DIV>
  <DIV class=3DSection1>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Dear=20
  John,</SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">exactly =
that=92s what I=20
  wanted to say =85</SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Thanks and=20
  b</SPAN></FONT><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">est=20
  regards</SPAN></FONT></P>
  <DIV>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Dirk&nbsp;</SPAN></FONT></P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DTahoma =
size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Urspr=FCngliche=20
  Nachricht-----<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Von:</SPAN></B> =
John.zhao=20
  [mailto:john.zhao@huawei.com] <BR><B><SPAN=20
  style=3D"FONT-WEIGHT: bold">Gesendet:</SPAN></B> Donnerstag, 6. =
November 2008=20
  09:01<BR><B><SPAN style=3D"FONT-WEIGHT: bold">An:</SPAN></B> von Hugo, =
Dirk;=20
  denghui02@gmail.com<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Cc:</SPAN></B>=20
  multimob@ietf.org<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Betreff:</SPAN></B>=20
  RE: [multimob] Comments=20
  ondraft-deng-multimob-pmip6-requirement-01.txt</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Hi,Dirk</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN=20
  style=3D"FONT-SIZE: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
  </SPAN></FONT><FONT face=3DSimSun color=3Dblue size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: SimSun">Thanks for =
your=20
  explanation. See my comments inline.</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  </SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  Best Rgds,</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Thanks,</SPAN></FONT></P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3DSTXihei color=3Dblack=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: =
STXihei">john.zhao</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Dear=20
  all,</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Not =
directly=20
  answering the threads but rather commenting on the topic from an other =

  operator=92s viewpoint: </SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">As far as I =

  understand it CMMB (China Multimedia Mobile Broadcasting) should be =
similar to=20
  Europe's DVB-SH (Satellite services to Handhelds) standard for DVB =
(digital=20
  video broadcast) which is based on a hybrid satellite/terrestrial =
downlink=20
  combined with a different return channel (e.g. via WLAN or 2G/3G) =96 =
such it=20
  should allow for normal MLD operation as in MBMS (Multimedia=20
  Broadcast/Multicast Service) within 3GPP/UMTS or 3GPP2 BCMCS =
(Broadcast and=20
  Multicast Services) which provides an approach to multicast for =
mobile, an=20
  overlay to mobile networks that provides multicast support =85 - =
furthermore=20
  DVB-IP Phase 1.3 will include IPTV subscription via=20
  IGMP/MLD.<BR></SPAN></FONT><FONT face=3DSimSun color=3Dblue =
size=3D2><SPAN=20
  lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">[John.zhao]&nbsp;So=20
  inteactive return channel is optional and the support of =
IGMP/MLD&nbsp;is for=20
  future,right?</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Concerning =
pure DVB=20
  there is an assumption that L3 at the MN does send an MLD to the =
interface=20
  (L2.x) such that the correspondingly addressed multicast packets =
within DVB=20
  stream are filtered and forwarded to L3.<BR></SPAN></FONT><FONT =
face=3DSimSun=20
  color=3Dblue size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">[John.zhao]&nbsp;If=20
  are you mean that MN will send MLD from L3 to interface in L2 to =
inform about=20
  related multicast address etc . But L2 may filter it and didn't send =
it out if=20
  no return channel available?</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I agree =
that operator=20
  requirements for network preconfigured multicast service would include =

  handover support (subscription on behalf of MN to save resources or =
strengthen=20
  the unreliable message transport) and may cover specific control or =
management=20
  services (e.g. notification of available multicast streams to =
subscribe to=20
  such as DVB=92s ESG - &nbsp;Electronic Servuice Guide or for=20
  operator-distributed additional support services such as authorisation =
keys=20
  for decoding content)<BR></SPAN></FONT><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">[John.zhao]&nbsp;Yes.&nbsp;Agree.&nbsp;</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Best=20
  regards </SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Dirk&nbsp;</SPAN></FONT></P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DTahoma =
size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Urspr=FCngliche=20
  Nachricht-----<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Von:</SPAN></B> =

  multimob-bounces@ietf.org [mailto:multimob-bounces@ietf.org] <B><SPAN=20
  style=3D"FONT-WEIGHT: bold">Im Auftrag von =
</SPAN></B>John.zhao<BR><B><SPAN=20
  style=3D"FONT-WEIGHT: bold">Gesendet:</SPAN></B> Dienstag, 4. November =
2008=20
  07:25<BR><B><SPAN style=3D"FONT-WEIGHT: bold">An:</SPAN></B> 'Hui=20
  Deng'<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B>=20
  multimob@ietf.org<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Betreff:</SPAN></B>=20
  Re: [multimob] Comments=20
  ondraft-deng-multimob-pmip6-requirement-01.txt</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Hi,hui</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  Forget to post the reply in maillist. See following=20
  comments.</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  You are right. They are all need MN to send the request to join to =
trigger the=20
  receive of multicast except the CMMB , I'm not sure. But it is because =
we=20
  didn't have other methods to be used before. Currently, some system =
just like=20
  IEEE802.16 is discussing about this kind of support via layer-2, once =
it is=20
  ready, then the joinging&nbsp;in layer-3 can be omitted. In another =
side, the=20
  DVB-H is another case, since it havn't the uplink , so even mobile =
node want=20
  to send the joining request, but the request can't be sent to network. =
It is a=20
  kind of "uni-direction link". I think it is useful for operator to =
push some=20
  feature service within its domian .</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  How about it?</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  Best Rgds,</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Thanks,</SPAN></FONT></P></DIV></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3DSTXihei color=3Dblack=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: =
STXihei">john.zhao</SPAN></FONT></P>
  <DIV>
  <DIV style=3D"MARGIN-LEFT: 35.4pt">
  <DIV class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt; TEXT-ALIGN: =
center"=20
  align=3Dcenter><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">
  <HR align=3Dcenter width=3D"100%" SIZE=3D2>
  </SPAN></FONT></DIV></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt">Hi, =
John,</SPAN></FONT></P></DIV>
  <BLOCKQUOTE=20
  style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: =
medium none; PADDING-LEFT: 4pt; PADDING-BOTTOM: 0cm; MARGIN: 5pt 0cm 5pt =
3.75pt; BORDER-LEFT: blue 1.5pt solid; PADDING-TOP: 0cm; BORDER-BOTTOM: =
medium none">
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">Sorry for my late reply, =
here you are=20
    suggesting that we would better include network preconfigured =
multicast=20
    service which need infrastrucutre support.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">What I could remind is that =
normally=20
    such kind of service will be provided by&nbsp;MBMS,&nbsp;BCMCS, =
especially=20
    mobile TV service they also could be based on dedicated TV mechanism =
like=20
    CMMB.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">thanks for your=20
    discussion.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt">-Hui</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">2008/10/24 John.zhao &lt;<A =

    =
href=3D"mailto:john.zhao@huawei.com">john.zhao@huawei.com</A>&gt;</SPAN><=
/FONT></P>
    <DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">Hello,Hui and=20
    all</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">&nbsp;&nbsp;&nbsp; =
</SPAN></FONT><FONT=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">One comments on section 3.1 =
about "R2 -=20
    The mobile node is responsible for initially subscribing to the =
multicast=20
    group(s)." .&nbsp;To some network control multicast service, this=20
    subscribtion info can be got from policy store or pre-configuration =
on MAG.=20
    I don't object MN can't initiate the subscribtion,but the =
subscribtion is no=20
    need rely on the request come from MN only.&nbsp;With only MN=20
    initiated&nbsp;subscription of multicast group(s),the operator's =
network=20
    will:</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">&nbsp;1.1)No network =
originated service=20
    support. All of any kind of multicast service will be initiated from =
MN.But=20
    in fact, there are still some typical service should be managed from =
network=20
    side.From the point of view of the MN it is like a TV broadcast =
model. It is=20
    worth to handle this case too because it may corresponds to DVB-H =
mobile TV=20
    service use-case.<BR>&nbsp;1.2)Cost additional wireless resource in =
wireless=20
    situation. Without it , we can save more resource not only during =
handover=20
    but also in network entry progress. Espically, it is useful to those =
static=20
    multicast tree scenario.<BR>&nbsp;&nbsp;&nbsp; From the architecture =

    perspective, the support of network management is the base of MN =
management.=20
    Since other signal flow will be the same except MAG need have the =
ability to=20
    deal with additional MLD report sent from MN.So it is no more =
additional=20
    cost on current design but bring a better =
scability.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt"><BR></SPAN></FONT><FONT =
size=3D2><SPAN=20
    style=3D"FONT-SIZE: 10pt">&nbsp;&nbsp;&nbsp; In detail, the progress =
of the=20
    management of multicast service by network just like the=20
    following:<BR>&nbsp;When the MN just attachs to a MAG, the MAG will =
get the=20
    MN's profile and will know some pre-configured multicast services =
need to be=20
    established, then it will ask LMA to provide the respective service, =
in this=20
    case, the method used to communicate to LMA from MAG can be either =
PMIP=20
    signals or MLD report(join) messages etc. LMA will check about this =
request=20
    and do the decision based on it's acknowledges about=20
    it.<BR>&nbsp;&nbsp;&nbsp;&nbsp; During handover, it will be very =
like=20
    current design. The CXT is expect to provide necessary multicast =
infomation=20
    and if need, a 3-rd party policy store is required. =
</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">&nbsp;&nbsp;&nbsp; On =
summary,=20
    considering and allowing network administrativly subscription didn't =
impact=20
    on anything current we have considered and in addition , it can =
bring a=20
    scalability to current requirement of proxy multicast=20
    mobility.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">&nbsp;&nbsp;&nbsp; =
</SPAN></FONT><FONT=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">Best =
Rgds,</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: =
10pt">Thanks,</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D=BB=AA=CE=C4=CF=B8=BA=DA=20
    color=3D#888888 size=3D2><SPAN=20
    style=3D"FONT-SIZE: 10pt; COLOR: #888888; FONT-FAMILY: =
=BB=AA=CE=C4=CF=B8=BA=DA">john.zhao</SPAN></FONT></P>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV></DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN=20
  style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></BLOCKQUOTE></DIV></BLOCKQUOTE></BODY></HT=
ML>

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	ondraft-deng-multimob-pmip6-requirement-01.txt
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Subject: Re: [multimob] Comments
	ondraft-deng-multimob-pmip6-requirement-01.txt
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Hi Hitoshi,

Stating "All multicast traffic goes through an LMA-MAG tunnel" is probably =
not an issue for short term deployment of multicast services. However I thi=
nk we should not presume of the mid-term/long-term architecture and give op=
tions allowing operators to envisage different architectures. It is not onl=
y for local routing purpose; for instance, I guess we can imagine architect=
ure reusing multicast IPTV backhaul for fixed network. In that case multica=
st routing between MAG and LMA could make sense. =


So, to conclude I think we should keep the option where the MAG may act as =
a multicast router and not request the LMA to always be on the multicast de=
livery path.

Any thoughts of other people?

Regards,
Pierrick

> -----Message d'origine-----
> De=A0: multimob-bounces@ietf.org [mailto:multimob-bounces@ietf.org] De la
> part de Hitoshi Asaeda
> Envoy=E9=A0: samedi 1 novembre 2008 06:41
> =C0=A0: multimob@ietf.org
> Objet=A0: Re: [multimob] Comments ondraft-deng-multimob-pmip6-requirement-
> 01.txt
> =

> > So, I'd like to again ask the question especially to operators who
> > plan to or may prepare PMIPv6 multicast services; Is there a big
> > impact or problem if all multicast traffic goes through an LMA-MAG
> > tunnel?
> =


> > Note that our PMIPv6 multicast extension draft tentatively supports
> > the local routing, but I personally think it can be removed if
> > consensus.
> =

> Well, it may not be necessary to completely remove the possibility
> from the document, but specify "optional" as the minor case. Same for
> the requirement draft.
> --
> Hitoshi Asaeda
> _______________________________________________
> multimob mailing list
> multimob@ietf.org
> https://www.ietf.org/mailman/listinfo/multimob
_______________________________________________
multimob mailing list
multimob@ietf.org
https://www.ietf.org/mailman/listinfo/multimob


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From: "Thomas C. Schmidt" <schmidt@informatik.haw-hamburg.de>
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Subject: Re: [multimob]
	Comments	ondraft-deng-multimob-pmip6-requirement-01.txt
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Hi Pierrick,

I closely agree with your statements - please see below:

pierrick.seite@orange-ftgroup.com wrote:
> Stating "All multicast traffic goes through an LMA-MAG tunnel" is probabl=
y not an issue for short term deployment of multicast services. However I t=
hink we should not presume of the mid-term/long-term architecture and give =
options allowing operators to envisage different architectures. It is not o=
nly for local routing purpose; for instance, I guess we can imagine archite=
cture reusing multicast IPTV backhaul for fixed network. In that case multi=
cast routing between MAG and LMA could make sense. =

> =

> So, to conclude I think we should keep the option where the MAG may act a=
s a multicast router and not request the LMA to always be on the multicast =
delivery path.
> =


Multicast deployment in PMIPv6 via LMA -> MAG tunnels (these are 'n' =

tunnels) is always a quick and simple, but fairly inefficient solution. =

Of course we don't want to prevent this approach, but fixing PMIPv6 =

multicast standards to this alone might not be really helpful in =

practice. We should also be aware of MTU-size issues resulting from =

tunnels at the receiver side.

There are at least two reasonable alternatives:

  * LMA -> MAG point-to-multipoint tunnels, which increase distribution =

efficiency, but still bear MTU-size issues

  * MAG as last-hop multicast router, with LMA being on the path or not. =

As far as I can foresee, operators might be interested in using this =

option, as - being aware of 'legitimate' multicast offers - they can =

keep full control of multicast forwarding states & traffic.

Best regards,

Thomas

>> -----Message d'origine-----
>> De : multimob-bounces@ietf.org [mailto:multimob-bounces@ietf.org] De la
>> part de Hitoshi Asaeda
>> Envoy=E9 : samedi 1 novembre 2008 06:41
>> =C0 : multimob@ietf.org
>> Objet : Re: [multimob] Comments ondraft-deng-multimob-pmip6-requirement-
>> 01.txt
>>
>>> So, I'd like to again ask the question especially to operators who
>>> plan to or may prepare PMIPv6 multicast services; Is there a big
>>> impact or problem if all multicast traffic goes through an LMA-MAG
>>> tunnel?
> =

>>> Note that our PMIPv6 multicast extension draft tentatively supports
>>> the local routing, but I personally think it can be removed if
>>> consensus.
>> Well, it may not be necessary to completely remove the possibility
>> from the document, but specify "optional" as the minor case. Same for
>> the requirement draft.
>> --
>> Hitoshi Asaeda
>> _______________________________________________
>> multimob mailing list
>> multimob@ietf.org
>> https://www.ietf.org/mailman/listinfo/multimob
> _______________________________________________
> multimob mailing list
> multimob@ietf.org
> https://www.ietf.org/mailman/listinfo/multimob

-- =


=B0 Prof. Dr. Thomas C. Schmidt
=B0 HAW Hamburg, Dept. Informatik
=B0 University of Applied Sciences
=B0 Berliner Tor 7, D 20099 Hamburg, Germany
=B0 Fon: +49-40-42875-8452, Fax: -8409
=B0 http://www.informatik.haw-hamburg.de/~schmidt
_______________________________________________
multimob mailing list
multimob@ietf.org
https://www.ietf.org/mailman/listinfo/multimob


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From: "von Hugo, Dirk" <Dirk.Hugo@t-systems.com>
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Hi John,

do you mean that _all_ received packets will be forwarded by L2 to =
application layer without any filtering? Additionally to complexity as =
you already mentioned I think that may impose security concerns also ... =
wouldn't it be more efficient if L2 could interprete IGMP/MLD such that =
IP Multicast addresses are mapped to corresponding MAC addresses  - and =
thus L2 interface would forward only wanted traffic to higher layers?

BTW this may be a marginal problem only for multimob.

=20

Best regards=20

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: John.zhao [mailto:john.zhao@huawei.com]=20
Gesendet: Donnerstag, 6. November 2008 10:58
An: von Hugo, Dirk; denghui02@gmail.com
Cc: multimob@ietf.org
Betreff: RE: [multimob] Comments =
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi, Dirk

=20

=20

        In addition, why not set network to promiscuous mode, since the =
IGMP/MLD will not be sent to network? In that mode, application can got =
all of packets sent to it and it can deal with them in application =
layer. Although that will make the development a little complict.

=20

        Best Rgds,

Thanks,   =20

=20

john.zhao


=20

Dear John,

exactly that's what I wanted to say ...

Thanks and best regards

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: John.zhao [mailto:john.zhao@huawei.com]=20
Gesendet: Donnerstag, 6. November 2008 09:01
An: von Hugo, Dirk; denghui02@gmail.com
Cc: multimob@ietf.org
Betreff: RE: [multimob] Comments =
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi,Dirk

=20

        Thanks for your explanation. See my comments inline.

   =20

    Best Rgds,

Thanks,

john.zhao

Dear all,

Not directly answering the threads but rather commenting on the topic =
from an other operator's viewpoint:=20

=20

As far as I understand it CMMB (China Multimedia Mobile Broadcasting) =
should be similar to Europe's DVB-SH (Satellite services to Handhelds) =
standard for DVB (digital video broadcast) which is based on a hybrid =
satellite/terrestrial downlink combined with a different return channel =
(e.g. via WLAN or 2G/3G) - such it should allow for normal MLD operation =
as in MBMS (Multimedia Broadcast/Multicast Service) within 3GPP/UMTS or =
3GPP2 BCMCS (Broadcast and Multicast Services) which provides an =
approach to multicast for mobile, an overlay to mobile networks that =
provides multicast support ... - furthermore DVB-IP Phase 1.3 will =
include IPTV subscription via IGMP/MLD.
[John.zhao] So inteactive return channel is optional and the support of =
IGMP/MLD is for future,right?

=20

Concerning pure DVB there is an assumption that L3 at the MN does send =
an MLD to the interface (L2.x) such that the correspondingly addressed =
multicast packets within DVB stream are filtered and forwarded to L3.
[John.zhao] If are you mean that MN will send MLD from L3 to interface =
in L2 to inform about related multicast address etc . But L2 may filter =
it and didn't send it out if no return channel available?

=20

I agree that operator requirements for network preconfigured multicast =
service would include handover support (subscription on behalf of MN to =
save resources or strengthen the unreliable message transport) and may =
cover specific control or management services (e.g. notification of =
available multicast streams to subscribe to such as DVB's ESG -  =
Electronic Servuice Guide or for operator-distributed additional support =
services such as authorisation keys for decoding content)
[John.zhao] Yes. Agree.=20

=20

Best regards=20

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: multimob-bounces@ietf.org [mailto:multimob-bounces@ietf.org] Im =
Auftrag von John.zhao
Gesendet: Dienstag, 4. November 2008 07:25
An: 'Hui Deng'
Cc: multimob@ietf.org
Betreff: Re: [multimob] Comments =
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi,hui

=20

    Forget to post the reply in maillist. See following comments.

    You are right. They are all need MN to send the request to join to =
trigger the receive of multicast except the CMMB , I'm not sure. But it =
is because we didn't have other methods to be used before. Currently, =
some system just like IEEE802.16 is discussing about this kind of =
support via layer-2, once it is ready, then the joinging in layer-3 can =
be omitted. In another side, the DVB-H is another case, since it havn't =
the uplink , so even mobile node want to send the joining request, but =
the request can't be sent to network. It is a kind of "uni-direction =
link". I think it is useful for operator to push some feature service =
within its domian .

    How about it?

=20

=20

    Best Rgds,

Thanks,

=20

=20

john.zhao

  _____ =20

Hi, John,

=20

Sorry for my late reply, here you are suggesting that we would better =
include network preconfigured multicast service which need =
infrastrucutre support.

What I could remind is that normally such kind of service will be =
provided by MBMS, BCMCS, especially mobile TV service they also could be =
based on dedicated TV mechanism like CMMB.

=20

thanks for your discussion.

=20

-Hui

2008/10/24 John.zhao <john.zhao@huawei.com>

Hello,Hui and all

=20

    One comments on section 3.1 about "R2 - The mobile node is =
responsible for initially subscribing to the multicast group(s)." . To =
some network control multicast service, this subscribtion info can be =
got from policy store or pre-configuration on MAG. I don't object MN =
can't initiate the subscribtion,but the subscribtion is no need rely on =
the request come from MN only. With only MN initiated subscription of =
multicast group(s),the operator's network will:

 1.1)No network originated service support. All of any kind of multicast =
service will be initiated from MN.But in fact, there are still some =
typical service should be managed from network side.From the point of =
view of the MN it is like a TV broadcast model. It is worth to handle =
this case too because it may corresponds to DVB-H mobile TV service =
use-case.
 1.2)Cost additional wireless resource in wireless situation. Without it =
, we can save more resource not only during handover but also in network =
entry progress. Espically, it is useful to those static multicast tree =
scenario.
    From the architecture perspective, the support of network management =
is the base of MN management. Since other signal flow will be the same =
except MAG need have the ability to deal with additional MLD report sent =
from MN.So it is no more additional cost on current design but bring a =
better scability.


    In detail, the progress of the management of multicast service by =
network just like the following:
 When the MN just attachs to a MAG, the MAG will get the MN's profile =
and will know some pre-configured multicast services need to be =
established, then it will ask LMA to provide the respective service, in =
this case, the method used to communicate to LMA from MAG can be either =
PMIP signals or MLD report(join) messages etc. LMA will check about this =
request and do the decision based on it's acknowledges about it.
     During handover, it will be very like current design. The CXT is =
expect to provide necessary multicast infomation and if need, a 3-rd =
party policy store is required.=20

=20

    On summary, considering and allowing network administrativly =
subscription didn't impact on anything current we have considered and in =
addition , it can bring a scalability to current requirement of proxy =
multicast mobility.

=20

    Best Rgds,

Thanks,

=20

john.zhao

=20

=20


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<body lang=3DDE link=3Dblue vlink=3Dblue>

<div class=3DSection1>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Hi =
John,</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>do you mean that =
_all_ received
packets will be forwarded by L2 to application layer without any =
filtering? Additionally
to complexity as you already mentioned I think that may impose security
concerns also &#8230; wouldn&#8217;t it be more efficient if L2 could =
interprete
IGMP/MLD such that IP Multicast addresses are mapped to corresponding =
MAC
addresses =A0- and thus L2 interface would forward only wanted traffic =
to higher
layers?</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>BTW this may be =
a
marginal problem only for multimob.</span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>&nbsp;</span></fo=
nt></p>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Best regards </span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Dirk&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'>-----Urspr=FCngliche =
Nachricht-----<br>
<b><span style=3D'font-weight:bold'>Von:</span></b> John.zhao
[mailto:john.zhao@huawei.com] <br>
<b><span style=3D'font-weight:bold'>Gesendet:</span></b> Donnerstag, 6. =
November
2008 10:58<br>
<b><span style=3D'font-weight:bold'>An:</span></b> von Hugo, Dirk;
denghui02@gmail.com<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> multimob@ietf.org<br>
<b><span style=3D'font-weight:bold'>Betreff:</span></b> RE: [multimob] =
Comments
ondraft-deng-multimob-pmip6-requirement-01.txt</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Hi,
Dirk</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;</span></font><font
size=3D2 color=3Dblue face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;
color:blue'>In addition,&nbsp;why not set network&nbsp;to promiscuous =
mode,
since the IGMP/MLD will not be sent to network? In that mode, =
application
can&nbsp;got all of packets sent to it and it can deal&nbsp;with them in
application layer. Although that will make the =
development&nbsp;a&nbsp;little
complict.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;</span></font><font
size=3D2 color=3Dblue face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;
color:blue'>Best Rgds,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Thanks,</span></=
font>&nbsp;&nbsp;&nbsp;
</p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dblack
face=3DSTXihei><span =
style=3D'font-size:10.0pt;font-family:STXihei;color:black'>john.zhao</spa=
n></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'><br>
&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>Dear John,</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>exactly that&#8217;s what I wanted to say =
&#8230;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>Thanks and b</span></font><font size=3D2 color=3Dnavy =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>est =
regards</span></font></p>

<div>

<p class=3DMsoNormal style=3D'margin-left:35.4pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Dirk&nbsp;</span>=
</font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'>-----Urspr=FCngliche =
Nachricht-----<br>
<b><span style=3D'font-weight:bold'>Von:</span></b> John.zhao
[mailto:john.zhao@huawei.com] <br>
<b><span style=3D'font-weight:bold'>Gesendet:</span></b> Donnerstag, 6. =
November
2008 09:01<br>
<b><span style=3D'font-weight:bold'>An:</span></b> von Hugo, Dirk;
denghui02@gmail.com<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> multimob@ietf.org<br>
<b><span style=3D'font-weight:bold'>Betreff:</span></b> RE: [multimob] =
Comments =
ondraft-deng-multimob-pmip6-requirement-01.txt</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Hi,Dirk</span></=
font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font><font size=3D2 color=3Dblue face=3DSimSun><span =
style=3D'font-size:10.0pt;
font-family:SimSun;color:blue'>Thanks for your explanation. See my =
comments
inline.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
Best Rgds,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Thanks,</span></=
font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dblack
face=3DSTXihei><span =
style=3D'font-size:10.0pt;font-family:STXihei;color:black'>john.zhao</spa=
n></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>Dear all,</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>Not directly answering the threads but rather commenting on =
the
topic from an other operator&#8217;s viewpoint: </span></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>As far as I understand it CMMB (China Multimedia Mobile
Broadcasting) should be similar to Europe's DVB-SH (Satellite services =
to
Handhelds) standard for DVB (digital video broadcast) which is based on =
a
hybrid satellite/terrestrial downlink combined with a different return =
channel
(e.g. via WLAN or 2G/3G) &#8211; such it should allow for normal MLD =
operation
as in MBMS (Multimedia Broadcast/Multicast Service) within 3GPP/UMTS or =
3GPP2
BCMCS (Broadcast and Multicast Services) which provides an approach to
multicast for mobile, an overlay to mobile networks that provides =
multicast
support &#8230; - furthermore DVB-IP Phase 1.3 will include IPTV =
subscription
via IGMP/MLD.<br>
</span></font><font size=3D2 color=3Dblue face=3DSimSun><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>[John.zhao]&nbsp=
;So
inteactive return channel is optional and the support of =
IGMP/MLD&nbsp;is for
future,right?</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>Concerning pure DVB there is an assumption that L3 at the MN =
does
send an MLD to the interface (L2.x) such that the correspondingly =
addressed
multicast packets within DVB stream are filtered and forwarded to =
L3.<br>
</span></font><font size=3D2 color=3Dblue face=3DSimSun><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>[John.zhao]&nbsp=
;If are
you mean that MN will send MLD from L3 to interface in L2 to inform =
about
related multicast address etc . But L2 may filter it and didn't send it =
out if
no return channel available?</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span lang=3DEN-GB =
style=3D'font-size:10.0pt;font-family:Arial;
color:navy'>I agree that operator requirements for network preconfigured
multicast service would include handover support (subscription on behalf =
of MN
to save resources or strengthen the unreliable message transport) and =
may cover
specific control or management services (e.g. notification of available
multicast streams to subscribe to such as DVB&#8217;s ESG - =
&nbsp;Electronic
Servuice Guide or for operator-distributed additional support services =
such as
authorisation keys for decoding content)<br>
</span></font><font size=3D2 color=3Dblue face=3DSimSun><span =
lang=3DEN-GB
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>[John.zhao]&nbsp=
;Yes.&nbsp;Agree.&nbsp;</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<div>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Best
regards </span></font></p>

<p class=3DMsoNormal style=3D'margin-left:70.8pt'><font size=3D2 =
color=3Dnavy
face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Dirk&nbsp;</span>=
</font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'>-----Urspr=FCngliche =
Nachricht-----<br>
<b><span style=3D'font-weight:bold'>Von:</span></b> =
multimob-bounces@ietf.org
[mailto:multimob-bounces@ietf.org] <b><span =
style=3D'font-weight:bold'>Im Auftrag
von </span></b>John.zhao<br>
<b><span style=3D'font-weight:bold'>Gesendet:</span></b> Dienstag, 4. =
November
2008 07:25<br>
<b><span style=3D'font-weight:bold'>An:</span></b> 'Hui Deng'<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> multimob@ietf.org<br>
<b><span style=3D'font-weight:bold'>Betreff:</span></b> Re: [multimob] =
Comments
ondraft-deng-multimob-pmip6-requirement-01.txt</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

<div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Hi,hui</span></f=
ont></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
Forget to post the reply in maillist. See following =
comments.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
You are right. They are all need MN to send the request to join to =
trigger the
receive of multicast except the CMMB , I'm not sure. But it is because =
we
didn't have other methods to be used before. Currently, some system just =
like
IEEE802.16 is discussing about this kind of support via layer-2, once it =
is
ready, then the joinging&nbsp;in layer-3 can be omitted. In another =
side, the
DVB-H is another case, since it havn't the uplink , so even mobile node =
want to
send the joining request, but the request can't be sent to network. It =
is a
kind of &quot;uni-direction link&quot;. I think it is useful for =
operator to
push some feature service within its domian .</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
How about it?</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>&nbsp;&nbsp;&nbs=
p;
Best Rgds,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2 =
color=3Dblue
face=3DSimSun><span =
style=3D'font-size:10.0pt;font-family:SimSun;color:blue'>Thanks,</span></=
font></p>

</div>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2 =
color=3Dblack
face=3DSTXihei><span =
style=3D'font-size:10.0pt;font-family:STXihei;color:black'>john.zhao</spa=
n></font></p>

<div>

<div style=3D'margin-left:35.4pt'>

<div style=3D'margin-left:35.4pt'>

<div class=3DMsoNormal align=3Dcenter =
style=3D'margin-left:35.4pt;text-align:center'><font
size=3D3 face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter>

</span></font></div>

</div>

</div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>Hi, =
John,</span></font></p>

</div>

<blockquote style=3D'border:none;border-left:solid blue =
1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'=
>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>Sorry for my =
late reply,
here you are suggesting that we would better include network =
preconfigured
multicast service which need infrastrucutre support.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>What I could =
remind is
that normally such kind of service will be provided =
by&nbsp;MBMS,&nbsp;BCMCS,
especially mobile TV service they also could be based on dedicated TV =
mechanism
like CMMB.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>thanks for =
your
discussion.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>-Hui</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>2008/10/24 =
John.zhao &lt;<a
href=3D"mailto:john.zhao@huawei.com">john.zhao@huawei.com</a>&gt;</span><=
/font></p>

<div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2
face=3D"Times New Roman"><span style=3D'font-size:10.0pt'>Hello,Hui and =
all</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;&nbsp;&nbsp; </span></font><font
size=3D2><span style=3D'font-size:10.0pt'>One comments on section 3.1 =
about
&quot;R2 - The mobile node is responsible for initially subscribing to =
the
multicast group(s).&quot; .&nbsp;To some network control multicast =
service,
this subscribtion info can be got from policy store or pre-configuration =
on
MAG. I don't object MN can't initiate the subscribtion,but the =
subscribtion is
no need rely on the request come from MN only.&nbsp;With only MN
initiated&nbsp;subscription of multicast group(s),the operator's network =
will:</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2
face=3D"Times New Roman"><span style=3D'font-size:10.0pt'>&nbsp;1.1)No =
network
originated service support. All of any kind of multicast service will be
initiated from MN.But in fact, there are still some typical service =
should be
managed from network side.From the point of view of the MN it is like a =
TV
broadcast model. It is worth to handle this case too because it may =
corresponds
to DVB-H mobile TV service use-case.<br>
&nbsp;1.2)Cost additional wireless resource in wireless situation. =
Without it ,
we can save more resource not only during handover but also in network =
entry
progress. Espically, it is useful to those static multicast tree =
scenario.<br>
&nbsp;&nbsp;&nbsp; From the architecture perspective, the support of =
network
management is the base of MN management. Since other signal flow will be =
the
same except MAG need have the ability to deal with additional MLD report =
sent
from MN.So it is no more additional cost on current design but bring a =
better
scability.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'><br>
</span></font><font size=3D2><span =
style=3D'font-size:10.0pt'>&nbsp;&nbsp;&nbsp; In
detail, the progress of the management of multicast service by network =
just
like the following:<br>
&nbsp;When the MN just attachs to a MAG, the MAG will get the MN's =
profile and
will know some pre-configured multicast services need to be established, =
then
it will ask LMA to provide the respective service, in this case, the =
method
used to communicate to LMA from MAG can be either PMIP signals or MLD
report(join) messages etc. LMA will check about this request and do the
decision based on it's acknowledges about it.<br>
&nbsp;&nbsp;&nbsp;&nbsp; During handover, it will be very like current =
design.
The CXT is expect to provide necessary multicast infomation and if need, =
a 3-rd
party policy store is required. </span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2
face=3D"Times New Roman"><span =
style=3D'font-size:10.0pt'>&nbsp;&nbsp;&nbsp; On summary,
considering and allowing network administrativly subscription didn't =
impact on
anything current we have considered and in addition , it can bring a
scalability to current requirement of proxy multicast =
mobility.</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;&nbsp;&nbsp; </span></font><font
size=3D2><span style=3D'font-size:10.0pt'>Best Rgds,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2
face=3D"Times New Roman"><span =
style=3D'font-size:10.0pt'>Thanks,</span></font></p>

</div>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D2 =
color=3D"#888888"
face=3D"=BB=AA=CE=C4=CF=B8=BA=DA"><span =
style=3D'font-size:10.0pt;font-family:=BB=AA=CE=C4=CF=B8=BA=DA;color:#888=
888'>john.zhao</span></font></p>

<div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</div>

</div>

<p class=3DMsoNormal style=3D'margin-left:106.2pt'><font size=3D3
face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>&nbsp;</span></font></p>

</blockquote>

</div>

</body>

</html>

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From multimob-bounces@ietf.org  Thu Nov  6 07:53:05 2008
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To: schmidt@informatik.haw-hamburg.de
From: Hitoshi Asaeda <asaeda@sfc.wide.ad.jp>
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Hi Thomas,

Thanks for your comments.

> There are at least two reasonable alternatives:
> 
>   * LMA -> MAG point-to-multipoint tunnels, which increase
> distribution efficiency, but still bear MTU-size issues

Seems interesting, but what is MTU-size issue here?

>   * MAG as last-hop multicast router, with LMA being on the path or
> not. As far as I can foresee, operators might be interested in using
> this option, as - being aware of 'legitimate' multicast offers -
> they can keep full control of multicast forwarding states &
> traffic.

Why MAG, which is not working as a multicast router but MLD proxy,
cannot control forwarding states and traffic?

Thanks,
--
Hitoshi Asaeda
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From multimob-bounces@ietf.org  Thu Nov  6 08:08:03 2008
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Hi Pierrick,

> Stating "All multicast traffic goes through an LMA-MAG tunnel" is
> probably not an issue for short term deployment of multicast
> services. However I think we should not presume of the
> mid-term/long-term architecture and give options allowing operators
> to envisage different architectures. It is not only for local
> routing purpose; for instance, I guess we can imagine architecture
> reusing multicast IPTV backhaul for fixed network. In that case
> multicast routing between MAG and LMA could make sense. 

If it is reasonable from operator's perspective, I'm happy to keep it
as is.

> So, to conclude I think we should keep the option where the MAG may
> act as a multicast router and not request the LMA to always be on
> the multicast delivery path.

I understand. Thanks for your comment.

Folks, other comments (either agree or disagree) would be always
welcome.
Thanks,
--
Hitoshi Asaeda
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From: "Thomas C. Schmidt" <schmidt@informatik.haw-hamburg.de>
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Hi Hitoshi,

Hitoshi Asaeda wrote:

>> There are at least two reasonable alternatives:
>>
>>   * LMA -> MAG point-to-multipoint tunnels, which increase
>> distribution efficiency, but still bear MTU-size issues
> =

> Seems interesting, but what is MTU-size issue here?
>
Just the regular MTU-size reduction from the tunnel overhead.

>>   * MAG as last-hop multicast router, with LMA being on the path or
>> not. As far as I can foresee, operators might be interested in using
>> this option, as - being aware of 'legitimate' multicast offers -
>> they can keep full control of multicast forwarding states &
>> traffic.
> =

> Why MAG, which is not working as a multicast router but MLD proxy,
> cannot control forwarding states and traffic?
> =


Sorry, this was not precise: the regular MLD proxy function of course =

does not provide an explicit group control. However, operators can =

control multicast traffic distribution in their network and they could =

prevent MAGs from implementing unwanted states by some ACL mechanism =

(beyond MLD).

Best regards,

Thomas
-- =


=B0 Prof. Dr. Thomas C. Schmidt
=B0 HAW Hamburg, Dept. Informatik
=B0 University of Applied Sciences
=B0 Berliner Tor 7, D 20099 Hamburg, Germany
=B0 Fon: +49-40-42875-8452, Fax: -8409
=B0 http://www.informatik.haw-hamburg.de/~schmidt
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 ondraft-deng-multimob-pmip6-requirement-01.txt
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> >>   * LMA -> MAG point-to-multipoint tunnels, which increase
> >> distribution efficiency, but still bear MTU-size issues
> > Seems interesting, but what is MTU-size issue here?
> >
> Just the regular MTU-size reduction from the tunnel overhead.

I got it.

> >>   * MAG as last-hop multicast router, with LMA being on the path or
> >> not. As far as I can foresee, operators might be interested in using
> >> this option, as - being aware of 'legitimate' multicast offers -
> >> they can keep full control of multicast forwarding states &
> >> traffic.
> > Why MAG, which is not working as a multicast router but MLD proxy,
> > cannot control forwarding states and traffic?
> 
> Sorry, this was not precise: the regular MLD proxy function of
> course does not provide an explicit group control. However,
> operators can control multicast traffic distribution in their
> network and they could prevent MAGs from implementing unwanted
> states by some ACL mechanism (beyond MLD).

I think it would be possible for an MLD proxy to implement some ACL
mechanism without the protocol modification.
But anyway, discussing such requirement is useful. Thanks.
--
Hitoshi Asaeda
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Cc: multimob@ietf.org
Subject: Re: [multimob] Comments
	ondraft-deng-multimob-pmip6-requirement-01.txt
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Hitoshi Asaeda wrote:
>>> Why MAG, which is not working as a multicast router but MLD proxy,
>>> cannot control forwarding states and traffic?
>> Sorry, this was not precise: the regular MLD proxy function of
>> course does not provide an explicit group control. However,
>> operators can control multicast traffic distribution in their
>> network and they could prevent MAGs from implementing unwanted
>> states by some ACL mechanism (beyond MLD).
> =

> I think it would be possible for an MLD proxy to implement some ACL
> mechanism without the protocol modification.
> But anyway, discussing such requirement is useful. Thanks.

Sure - this was not proposing to extend protocol. Just a discussion of =

possible deployment scenarios ... and operator options.

Regards,

Thomas
-- =


=B0 Prof. Dr. Thomas C. Schmidt
=B0 HAW Hamburg, Dept. Informatik
=B0 University of Applied Sciences
=B0 Berliner Tor 7, D 20099 Hamburg, Germany
=B0 Fon: +49-40-42875-8452, Fax: -8409
=B0 http://www.informatik.haw-hamburg.de/~schmidt
_______________________________________________
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Date: Fri, 07 Nov 2008 09:40:52 +0800
From: "John.zhao" <john.zhao@huawei.com>
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Cc: multimob@ietf.org
Subject: Re: [multimob] Comments
	ondraft-deng-multimob-pmip6-requirement-01.txt
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Hi,Dirk
=20
    If will the netcard be set as promiscuous mode, the user need do the
filter program by itself. And some this kind of program can be set up by
user freely, such as wireshark etc. From network, we can't prevent it. =
To
security, it is not a big problem, since transport and application =
security
mechanism can gurantee about it. Even if some encoded packets are =
captured,
it can't be decoded normally without the relevant SAs.=20
    In addition, this mode is worst in shared-link. In that case, those
broadcast or packets for others can be got by this host. So if =
promiscuous
is set , so many un-related will make the application on this host =
trouble.
On the contrary , to p2p link , since all of packets destined to this =
host
is filtered and controled by MAG. So basically, those packets should be
handled by this host. Thus, receive them didn't waste any other =
resources.
>From performance perspective, I think it is the same as APIs provided by =
os.
    To my understand, it can be used to those p2p kind of link , and
uni-direction link seems also belong to this scope. So, can it also
applicable to DVB-H style network?
=20
    Best Rgds,
Thanks,
=20
   =20

john.zhao



=20

Hi John,

do you mean that _all_ received packets will be forwarded by L2 to
application layer without any filtering? Additionally to complexity as =
you
already mentioned I think that may impose security concerns also =85 =
wouldn=92t
it be more efficient if L2 could interprete IGMP/MLD such that IP =
Multicast
addresses are mapped to corresponding MAC addresses  - and thus L2 =
interface
would forward only wanted traffic to higher layers?

BTW this may be a marginal problem only for multimob.

=20

Best regards=20

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: John.zhao [mailto:john.zhao@huawei.com]=20
Gesendet: Donnerstag, 6. November 2008 10:58
An: von Hugo, Dirk; denghui02@gmail.com
Cc: multimob@ietf.org
Betreff: RE: [multimob] Comments
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi, Dirk

=20

=20

        In addition, why not set network to promiscuous mode, since the
IGMP/MLD will not be sent to network? In that mode, application can got =
all
of packets sent to it and it can deal with them in application layer.
Although that will make the development a little complict.

=20

        Best Rgds,

Thanks,   =20

=20

john.zhao


=20

Dear John,

exactly that=92s what I wanted to say =85

Thanks and best regards

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: John.zhao [mailto:john.zhao@huawei.com]=20
Gesendet: Donnerstag, 6. November 2008 09:01
An: von Hugo, Dirk; denghui02@gmail.com
Cc: multimob@ietf.org
Betreff: RE: [multimob] Comments
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi,Dirk

=20

        Thanks for your explanation. See my comments inline.

   =20

    Best Rgds,

Thanks,

john.zhao

Dear all,

Not directly answering the threads but rather commenting on the topic =
from
an other operator=92s viewpoint:=20

=20

As far as I understand it CMMB (China Multimedia Mobile Broadcasting) =
should
be similar to Europe's DVB-SH (Satellite services to Handhelds) standard =
for
DVB (digital video broadcast) which is based on a hybrid
satellite/terrestrial downlink combined with a different return channel
(e.g. via WLAN or 2G/3G) =96 such it should allow for normal MLD =
operation as
in MBMS (Multimedia Broadcast/Multicast Service) within 3GPP/UMTS or =
3GPP2
BCMCS (Broadcast and Multicast Services) which provides an approach to
multicast for mobile, an overlay to mobile networks that provides =
multicast
support =85 - furthermore DVB-IP Phase 1.3 will include IPTV =
subscription via
IGMP/MLD.
[John.zhao] So inteactive return channel is optional and the support of
IGMP/MLD is for future,right?

=20

Concerning pure DVB there is an assumption that L3 at the MN does send =
an
MLD to the interface (L2.x) such that the correspondingly addressed
multicast packets within DVB stream are filtered and forwarded to L3.
[John.zhao] If are you mean that MN will send MLD from L3 to interface =
in L2
to inform about related multicast address etc . But L2 may filter it and
didn't send it out if no return channel available?

=20

I agree that operator requirements for network preconfigured multicast
service would include handover support (subscription on behalf of MN to =
save
resources or strengthen the unreliable message transport) and may cover
specific control or management services (e.g. notification of available
multicast streams to subscribe to such as DVB=92s ESG -  Electronic =
Servuice
Guide or for operator-distributed additional support services such as
authorisation keys for decoding content)
[John.zhao] Yes. Agree.=20

=20

Best regards=20

Dirk=20

-----Urspr=FCngliche Nachricht-----
Von: multimob-bounces@ietf.org [mailto:multimob-bounces@ietf.org] Im =
Auftrag
von John.zhao
Gesendet: Dienstag, 4. November 2008 07:25
An: 'Hui Deng'
Cc: multimob@ietf.org
Betreff: Re: [multimob] Comments
ondraft-deng-multimob-pmip6-requirement-01.txt

=20

Hi,hui

=20

    Forget to post the reply in maillist. See following comments.

    You are right. They are all need MN to send the request to join to
trigger the receive of multicast except the CMMB , I'm not sure. But it =
is
because we didn't have other methods to be used before. Currently, some
system just like IEEE802.16 is discussing about this kind of support via
layer-2, once it is ready, then the joinging in layer-3 can be omitted. =
In
another side, the DVB-H is another case, since it havn't the uplink , so
even mobile node want to send the joining request, but the request can't =
be
sent to network. It is a kind of "uni-direction link". I think it is =
useful
for operator to push some feature service within its domian .

    How about it?

=20

=20

    Best Rgds,

Thanks,

=20

=20

john.zhao


  _____ =20


Hi, John,

=20

Sorry for my late reply, here you are suggesting that we would better
include network preconfigured multicast service which need =
infrastrucutre
support.

What I could remind is that normally such kind of service will be =
provided
by MBMS, BCMCS, especially mobile TV service they also could be based on
dedicated TV mechanism like CMMB.

=20

thanks for your discussion.

=20

-Hui

2008/10/24 John.zhao <john.zhao@huawei.com>

Hello,Hui and all

=20

    One comments on section 3.1 about "R2 - The mobile node is =
responsible
for initially subscribing to the multicast group(s)." . To some network
control multicast service, this subscribtion info can be got from policy
store or pre-configuration on MAG. I don't object MN can't initiate the
subscribtion,but the subscribtion is no need rely on the request come =
from
MN only. With only MN initiated subscription of multicast group(s),the
operator's network will:

 1.1)No network originated service support. All of any kind of multicast
service will be initiated from MN.But in fact, there are still some =
typical
service should be managed from network side.From the point of view of =
the MN
it is like a TV broadcast model. It is worth to handle this case too =
because
it may corresponds to DVB-H mobile TV service use-case.
 1.2)Cost additional wireless resource in wireless situation. Without it =
,
we can save more resource not only during handover but also in network =
entry
progress. Espically, it is useful to those static multicast tree =
scenario.
    From the architecture perspective, the support of network management =
is
the base of MN management. Since other signal flow will be the same =
except
MAG need have the ability to deal with additional MLD report sent from =
MN.So
it is no more additional cost on current design but bring a better
scability.


    In detail, the progress of the management of multicast service by
network just like the following:
 When the MN just attachs to a MAG, the MAG will get the MN's profile =
and
will know some pre-configured multicast services need to be established,
then it will ask LMA to provide the respective service, in this case, =
the
method used to communicate to LMA from MAG can be either PMIP signals or =
MLD
report(join) messages etc. LMA will check about this request and do the
decision based on it's acknowledges about it.
     During handover, it will be very like current design. The CXT is =
expect
to provide necessary multicast infomation and if need, a 3-rd party =
policy
store is required.=20

=20

    On summary, considering and allowing network administrativly
subscription didn't impact on anything current we have considered and in
addition , it can bring a scalability to current requirement of proxy
multicast mobility.

=20

    Best Rgds,

Thanks,

=20

john.zhao

=20

=20


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<DIV><SPAN class=3D935061001-07112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff=20
size=3D2>Hi,Dirk</FONT></SPAN></DIV>
<DIV><SPAN class=3D935061001-07112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D935061001-07112008>&nbsp;&nbsp;&nbsp; <FONT =
face=3D&#23435;&#20307;=20
color=3D#0000ff size=3D2>If will the netcard be set as promiscuous mode, =
the user=20
need do the filter program by itself. And some this kind of program can =
be set=20
up by user freely, such as wireshark etc. From network, we can't prevent =
it. To=20
security, it is not a big problem, since transport and application =
security=20
mechanism can gurantee about it. Even if some encoded packets are =
captured, it=20
can't be decoded normally without the&nbsp;relevant&nbsp;SAs.=20
</FONT></SPAN></DIV>
<DIV><SPAN class=3D935061001-07112008>&nbsp;&nbsp;&nbsp; <FONT =
face=3D&#23435;&#20307;=20
color=3D#0000ff size=3D2>In addition, this mode is worst in shared-link. =
In that=20
case, those broadcast or packets for others can be got by this host. So =
if=20
promiscuous is set , so many un-related will make the application on =
this host=20
trouble. On the contrary , to p2p link , since all of packets destined =
to this=20
host is filtered and controled by MAG. So basically, those packets =
should be=20
handled by this host. Thus, receive them didn't waste any other =
resources. From=20
performance perspective, I think it is the same as APIs provided by=20
os.</FONT></SPAN></DIV>
<DIV><SPAN class=3D935061001-07112008>&nbsp;&nbsp;&nbsp; <FONT =
face=3D&#23435;&#20307;=20
color=3D#0000ff size=3D2>To my understand, it can be used to those p2p =
kind of link=20
, and uni-direction link seems also belong to this scope. So, can it =
also=20
applicable to DVB-H style network?</FONT></SPAN></DIV>
<DIV><SPAN class=3D935061001-07112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D935061001-07112008>&nbsp;&nbsp;&nbsp; <FONT =
face=3D&#23435;&#20307;=20
color=3D#0000ff size=3D2>Best Rgds,</FONT></SPAN></DIV>
<DIV><SPAN class=3D935061001-07112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff=20
size=3D2>Thanks,</FONT></SPAN></DIV>
<DIV><SPAN class=3D935061001-07112008><FONT face=3D&#23435;&#20307; =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><FONT face=3D&#23435;&#20307; color=3D#0000ff size=3D2><SPAN=20
class=3D935061001-07112008>&nbsp;&nbsp;&nbsp; </SPAN></FONT></DIV>
<P></P>
<P></P><FONT face=3D&#21326;&#25991;&#32454;&#40657; color=3Dblack =
size=3D2>john.zhao<BR></FONT>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px =
solid; MARGIN-RIGHT: 0px">
  <DIV class=3DOutlookMessageHeader lang=3Dzh-cn dir=3Dltr =
align=3Dleft><FONT face=3D&#23435;&#20307;=20
  color=3D#0000ff size=3D2></FONT><FONT face=3D&#23435;&#20307; =
color=3D#0000ff=20
  size=3D2></FONT><BR>&nbsp;</DIV>
  <DIV></DIV>
  <DIV class=3DSection1>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Hi=20
  John,</SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">do you mean =
that=20
  _all_ received packets will be forwarded by L2 to application layer =
without=20
  any filtering? Additionally to complexity as you already mentioned I =
think=20
  that may impose security concerns also =85 wouldn=92t it be more =
efficient if L2=20
  could interprete IGMP/MLD such that IP Multicast addresses are mapped =
to=20
  corresponding MAC addresses &nbsp;- and thus L2 interface would =
forward only=20
  wanted traffic to higher layers?</SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">BTW this =
may be a=20
  marginal problem only for multimob.</SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>
  <DIV>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Best =
regards=20
  </SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Dirk&nbsp;</SPAN></FONT></P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DTahoma =
size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Urspr=FCngliche=20
  Nachricht-----<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Von:</SPAN></B> =
John.zhao=20
  [mailto:john.zhao@huawei.com] <BR><B><SPAN=20
  style=3D"FONT-WEIGHT: bold">Gesendet:</SPAN></B> Donnerstag, 6. =
November 2008=20
  10:58<BR><B><SPAN style=3D"FONT-WEIGHT: bold">An:</SPAN></B> von Hugo, =
Dirk;=20
  denghui02@gmail.com<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Cc:</SPAN></B>=20
  multimob@ietf.org<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Betreff:</SPAN></B>=20
  RE: [multimob] Comments=20
  ondraft-deng-multimob-pmip6-requirement-01.txt</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Hi,=20
  Dirk</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN=20
  style=3D"FONT-SIZE: =
12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></FONT><FONT=
=20
  face=3DSimSun color=3Dblue size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: SimSun">In=20
  addition,&nbsp;why not set network&nbsp;to promiscuous mode, since the =

  IGMP/MLD will not be sent to network? In that mode, application =
can&nbsp;got=20
  all of packets sent to it and it can deal&nbsp;with them in =
application layer.=20
  Although that will make the development&nbsp;a&nbsp;little=20
  complict.</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN=20
  style=3D"FONT-SIZE: =
12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></FONT><FONT=
=20
  face=3DSimSun color=3Dblue size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: SimSun">Best=20
  Rgds,</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Thanks,</SPAN></FONT>&nbsp;&nbsp;&nbsp;=20
  </P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT =
face=3DSTXihei color=3Dblack=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: =
STXihei">john.zhao</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"><BR>&nbsp;</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Dear=20
  John,</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">exactly =
that=92s what I=20
  wanted to say =85</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Thanks and=20
  b</SPAN></FONT><FONT face=3DArial color=3Dnavy size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">est=20
  regards</SPAN></FONT></P>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Dirk&nbsp;</SPAN></FONT></P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DTahoma =
size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Urspr=FCngliche=20
  Nachricht-----<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Von:</SPAN></B> =
John.zhao=20
  [mailto:john.zhao@huawei.com] <BR><B><SPAN=20
  style=3D"FONT-WEIGHT: bold">Gesendet:</SPAN></B> Donnerstag, 6. =
November 2008=20
  09:01<BR><B><SPAN style=3D"FONT-WEIGHT: bold">An:</SPAN></B> von Hugo, =
Dirk;=20
  denghui02@gmail.com<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Cc:</SPAN></B>=20
  multimob@ietf.org<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Betreff:</SPAN></B>=20
  RE: [multimob] Comments=20
  ondraft-deng-multimob-pmip6-requirement-01.txt</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Hi,Dirk</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN=20
  style=3D"FONT-SIZE: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
  </SPAN></FONT><FONT face=3DSimSun color=3Dblue size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: SimSun">Thanks for =
your=20
  explanation. See my comments inline.</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  </SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  Best Rgds,</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Thanks,</SPAN></FONT></P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT =
face=3DSTXihei color=3Dblack=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: =
STXihei">john.zhao</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Dear=20
  all,</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Not =
directly=20
  answering the threads but rather commenting on the topic from an other =

  operator=92s viewpoint: </SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">As far as I =

  understand it CMMB (China Multimedia Mobile Broadcasting) should be =
similar to=20
  Europe's DVB-SH (Satellite services to Handhelds) standard for DVB =
(digital=20
  video broadcast) which is based on a hybrid satellite/terrestrial =
downlink=20
  combined with a different return channel (e.g. via WLAN or 2G/3G) =96 =
such it=20
  should allow for normal MLD operation as in MBMS (Multimedia=20
  Broadcast/Multicast Service) within 3GPP/UMTS or 3GPP2 BCMCS =
(Broadcast and=20
  Multicast Services) which provides an approach to multicast for =
mobile, an=20
  overlay to mobile networks that provides multicast support =85 - =
furthermore=20
  DVB-IP Phase 1.3 will include IPTV subscription via=20
  IGMP/MLD.<BR></SPAN></FONT><FONT face=3DSimSun color=3Dblue =
size=3D2><SPAN=20
  lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">[John.zhao]&nbsp;So=20
  inteactive return channel is optional and the support of =
IGMP/MLD&nbsp;is for=20
  future,right?</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Concerning =
pure DVB=20
  there is an assumption that L3 at the MN does send an MLD to the =
interface=20
  (L2.x) such that the correspondingly addressed multicast packets =
within DVB=20
  stream are filtered and forwarded to L3.<BR></SPAN></FONT><FONT =
face=3DSimSun=20
  color=3Dblue size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">[John.zhao]&nbsp;If=20
  are you mean that MN will send MLD from L3 to interface in L2 to =
inform about=20
  related multicast address etc . But L2 may filter it and didn't send =
it out if=20
  no return channel available?</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I agree =
that operator=20
  requirements for network preconfigured multicast service would include =

  handover support (subscription on behalf of MN to save resources or =
strengthen=20
  the unreliable message transport) and may cover specific control or =
management=20
  services (e.g. notification of available multicast streams to =
subscribe to=20
  such as DVB=92s ESG - &nbsp;Electronic Servuice Guide or for=20
  operator-distributed additional support services such as authorisation =
keys=20
  for decoding content)<BR></SPAN></FONT><FONT face=3DSimSun =
color=3Dblue=20
  size=3D2><SPAN lang=3DEN-GB=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">[John.zhao]&nbsp;Yes.&nbsp;Agree.&nbsp;</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3D"Times =
New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Best=20
  regards </SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 70.8pt"><FONT face=3DArial =
color=3Dnavy=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Dirk&nbsp;</SPAN></FONT></P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3DTahoma size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Urspr=FCngliche=20
  Nachricht-----<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Von:</SPAN></B> =

  multimob-bounces@ietf.org [mailto:multimob-bounces@ietf.org] <B><SPAN=20
  style=3D"FONT-WEIGHT: bold">Im Auftrag von =
</SPAN></B>John.zhao<BR><B><SPAN=20
  style=3D"FONT-WEIGHT: bold">Gesendet:</SPAN></B> Dienstag, 4. November =
2008=20
  07:25<BR><B><SPAN style=3D"FONT-WEIGHT: bold">An:</SPAN></B> 'Hui=20
  Deng'<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B>=20
  multimob@ietf.org<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Betreff:</SPAN></B>=20
  Re: [multimob] Comments=20
  ondraft-deng-multimob-pmip6-requirement-01.txt</SPAN></FONT></P>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>
  <DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3DSimSun color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Hi,hui</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3DSimSun color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  Forget to post the reply in maillist. See following=20
  comments.</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3DSimSun color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  You are right. They are all need MN to send the request to join to =
trigger the=20
  receive of multicast except the CMMB , I'm not sure. But it is because =
we=20
  didn't have other methods to be used before. Currently, some system =
just like=20
  IEEE802.16 is discussing about this kind of support via layer-2, once =
it is=20
  ready, then the joinging&nbsp;in layer-3 can be omitted. In another =
side, the=20
  DVB-H is another case, since it havn't the uplink , so even mobile =
node want=20
  to send the joining request, but the request can't be sent to network. =
It is a=20
  kind of "uni-direction link". I think it is useful for operator to =
push some=20
  feature service within its domian .</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3DSimSun color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  How about it?</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3DSimSun color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">&nbsp;&nbsp;&nbsp;=20
  Best Rgds,</SPAN></FONT></P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3DSimSun color=3Dblue=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: =
SimSun">Thanks,</SPAN></FONT></P></DIV></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3DSTXihei color=3Dblack=20
  size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: =
STXihei">john.zhao</SPAN></FONT></P>
  <DIV>
  <DIV style=3D"MARGIN-LEFT: 35.4pt">
  <DIV style=3D"MARGIN-LEFT: 35.4pt">
  <DIV class=3DMsoNormal style=3D"MARGIN-LEFT: 35.4pt; TEXT-ALIGN: =
center"=20
  align=3Dcenter><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: 12pt">
  <HR align=3Dcenter width=3D"100%" SIZE=3D2>
  </SPAN></FONT></DIV></DIV></DIV>
  <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
  size=3D3><SPAN style=3D"FONT-SIZE: 12pt">Hi, =
John,</SPAN></FONT></P></DIV>
  <BLOCKQUOTE=20
  style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: =
medium none; PADDING-LEFT: 4pt; PADDING-BOTTOM: 0cm; MARGIN: 5pt 0cm 5pt =
3.75pt; BORDER-LEFT: blue 1.5pt solid; PADDING-TOP: 0cm; BORDER-BOTTOM: =
medium none">
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">Sorry for my late reply, =
here you are=20
    suggesting that we would better include network preconfigured =
multicast=20
    service which need infrastrucutre support.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">What I could remind is that =
normally=20
    such kind of service will be provided by&nbsp;MBMS,&nbsp;BCMCS, =
especially=20
    mobile TV service they also could be based on dedicated TV mechanism =
like=20
    CMMB.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">thanks for your=20
    discussion.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt">-Hui</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">2008/10/24 John.zhao &lt;<A =

    =
href=3D"mailto:john.zhao@huawei.com">john.zhao@huawei.com</A>&gt;</SPAN><=
/FONT></P>
    <DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">Hello,Hui and=20
    all</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">&nbsp;&nbsp;&nbsp; =
</SPAN></FONT><FONT=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">One comments on section 3.1 =
about "R2 -=20
    The mobile node is responsible for initially subscribing to the =
multicast=20
    group(s)." .&nbsp;To some network control multicast service, this=20
    subscribtion info can be got from policy store or pre-configuration =
on MAG.=20
    I don't object MN can't initiate the subscribtion,but the =
subscribtion is no=20
    need rely on the request come from MN only.&nbsp;With only MN=20
    initiated&nbsp;subscription of multicast group(s),the operator's =
network=20
    will:</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">&nbsp;1.1)No network =
originated service=20
    support. All of any kind of multicast service will be initiated from =
MN.But=20
    in fact, there are still some typical service should be managed from =
network=20
    side.From the point of view of the MN it is like a TV broadcast =
model. It is=20
    worth to handle this case too because it may corresponds to DVB-H =
mobile TV=20
    service use-case.<BR>&nbsp;1.2)Cost additional wireless resource in =
wireless=20
    situation. Without it , we can save more resource not only during =
handover=20
    but also in network entry progress. Espically, it is useful to those =
static=20
    multicast tree scenario.<BR>&nbsp;&nbsp;&nbsp; From the architecture =

    perspective, the support of network management is the base of MN =
management.=20
    Since other signal flow will be the same except MAG need have the =
ability to=20
    deal with additional MLD report sent from MN.So it is no more =
additional=20
    cost on current design but bring a better =
scability.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt"><BR></SPAN></FONT><FONT =
size=3D2><SPAN=20
    style=3D"FONT-SIZE: 10pt">&nbsp;&nbsp;&nbsp; In detail, the progress =
of the=20
    management of multicast service by network just like the=20
    following:<BR>&nbsp;When the MN just attachs to a MAG, the MAG will =
get the=20
    MN's profile and will know some pre-configured multicast services =
need to be=20
    established, then it will ask LMA to provide the respective service, =
in this=20
    case, the method used to communicate to LMA from MAG can be either =
PMIP=20
    signals or MLD report(join) messages etc. LMA will check about this =
request=20
    and do the decision based on it's acknowledges about=20
    it.<BR>&nbsp;&nbsp;&nbsp;&nbsp; During handover, it will be very =
like=20
    current design. The CXT is expect to provide necessary multicast =
infomation=20
    and if need, a 3-rd party policy store is required. =
</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">&nbsp;&nbsp;&nbsp; On =
summary,=20
    considering and allowing network administrativly subscription didn't =
impact=20
    on anything current we have considered and in addition , it can =
bring a=20
    scalability to current requirement of proxy multicast=20
    mobility.</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: 12pt">&nbsp;&nbsp;&nbsp; =
</SPAN></FONT><FONT=20
    size=3D2><SPAN style=3D"FONT-SIZE: 10pt">Best =
Rgds,</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D2><SPAN style=3D"FONT-SIZE: =
10pt">Thanks,</SPAN></FONT></P></DIV>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D=BB=AA=CE=C4=CF=B8=BA=DA=20
    color=3D#888888 size=3D2><SPAN=20
    style=3D"FONT-SIZE: 10pt; COLOR: #888888; FONT-FAMILY: =
=BB=AA=CE=C4=CF=B8=BA=DA">john.zhao</SPAN></FONT></P>
    <DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV></DIV>
    <P class=3DMsoNormal style=3D"MARGIN-LEFT: 106.2pt"><FONT =
face=3D"Times New Roman"=20
    size=3D3><SPAN=20
  style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></BLOCKQUOTE></DIV></BLOCKQUOTE></BODY></HT=
ML>

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Date: Sun, 9 Nov 2008 23:47:56 +0800
From: "Hui Deng" <denghui02@gmail.com>
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Subject: Re: [multimob] Comments on
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Hi, John,

sorry for my late reply, inline

2008/11/4 John.zhao <john.zhao@huawei.com>

>  Hi,hui
>
>     Forget to post the reply in maillist. See following comments.
>     You are right. They are all need MN to send the request to join to
> trigger the receive of multicast except the CMMB , I'm not sure. But it is
> because we didn't have other methods to be used before. Currently, some
> system just like IEEE802.16 is discussing about this kind of support via
> layer-2, once it is ready, then the joinging in layer-3 can be omitted.
>
what kind of support layer-2, if you are talking about layer-2, it means
something happened
between network and mobile.


>  In another side, the DVB-H is another case, since it havn't the uplink ,
> so even mobile node want to send the joining request, but the request can't
> be sent to network.
>
DVB-H will not use proxy MIP6, right?


>  It is a kind of "uni-direction link". I think it is useful for operator
> to push some feature service within its domian .
>      How about it?
>
>
I will try to reply based on below email,

-Hui

>
>     Best Rgds,
> Thanks,
>
>
>
> john.zhao
>  ------------------------------
> Hi, John,
>
>
> Sorry for my late reply, here you are suggesting that we would better
> include network preconfigured multicast service which need infrastrucutre
> support.
> What I could remind is that normally such kind of service will be provided
> by MBMS, BCMCS, especially mobile TV service they also could be based on
> dedicated TV mechanism like CMMB.
>
> thanks for your discussion.
>
> -Hui
> 2008/10/24 John.zhao <john.zhao@huawei.com>
>
>>  Hello,Hui and all
>>
>>     One comments on section 3.1 about "R2 - The mobile node is
>> responsible for initially subscribing to the multicast group(s)." . To some
>> network control multicast service, this subscribtion info can be got from
>> policy store or pre-configuration on MAG. I don't object MN can't initiate
>> the subscribtion,but the subscribtion is no need rely on the request come
>> from MN only. With only MN initiated subscription of multicast group(s),the
>> operator's network will:
>>  1.1)No network originated service support. All of any kind of multicast
>> service will be initiated from MN.But in fact, there are still some typical
>> service should be managed from network side.From the point of view of the MN
>> it is like a TV broadcast model. It is worth to handle this case too because
>> it may corresponds to DVB-H mobile TV service use-case.
>>  1.2)Cost additional wireless resource in wireless situation. Without it ,
>> we can save more resource not only during handover but also in network entry
>> progress. Espically, it is useful to those static multicast tree scenario.
>>     From the architecture perspective, the support of network management
>> is the base of MN management. Since other signal flow will be the same
>> except MAG need have the ability to deal with additional MLD report sent
>> from MN.So it is no more additional cost on current design but bring a
>> better scability.
>>
>>     In detail, the progress of the management of multicast service by
>> network just like the following:
>>  When the MN just attachs to a MAG, the MAG will get the MN's profile and
>> will know some pre-configured multicast services need to be established,
>> then it will ask LMA to provide the respective service, in this case, the
>> method used to communicate to LMA from MAG can be either PMIP signals or MLD
>> report(join) messages etc. LMA will check about this request and do the
>> decision based on it's acknowledges about it.
>>      During handover, it will be very like current design. The CXT is
>> expect to provide necessary multicast infomation and if need, a 3-rd party
>> policy store is required.
>>
>>     On summary, considering and allowing network administrativly
>> subscription didn't impact on anything current we have considered and in
>> addition , it can bring a scalability to current requirement of proxy
>> multicast mobility.
>>
>>     Best Rgds,
>> Thanks,
>>
>>
>> john.zhao
>>
>>
>
>

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------=_Part_26962_29003447.1226245676947--

--===============0459262848==
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_______________________________________________
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--===============0459262848==--


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Message-ID: <1d38a3350811090752s33d11b40jf8e7692300050b18@mail.gmail.com>
Date: Sun, 9 Nov 2008 23:52:45 +0800
From: "Hui Deng" <denghui02@gmail.com>
To: john.zhao@huawei.com
In-Reply-To: <007401c94079$e2be69c0$a864a8c0@china.huawei.com>
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References: <643B0A1D1A13AB498304E0BBC80278481761C8@S4DE8PSAAQC.mitte.t-com.de>
	<007401c94079$e2be69c0$a864a8c0@china.huawei.com>
Cc: "von Hugo, Dirk" <Dirk.Hugo@t-systems.com>, multimob@ietf.org
Subject: Re: [multimob] Comments
	ondraft-deng-multimob-pmip6-requirement-01.txt
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Date: Sun, 9 Nov 2008 23:59:36 +0800
From: "Hui Deng" <denghui02@gmail.com>
To: "Thomas C. Schmidt" <schmidt@informatik.haw-hamburg.de>
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Subject: Re: [multimob] Comments
	ondraft-deng-multimob-pmip6-requirement-01.txt
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Hi, Thomas,

I would agree this scenario,
as I asked before, it will not extend any protocol, only description of
functionality of network entity, maybe more implementation issue.

then my question here is do we need keep this a specific scenario figure in
our draft?

thanks again.

-Hui

2008/11/7 Thomas C. Schmidt <schmidt@informatik.haw-hamburg.de>

> Hitoshi Asaeda wrote:
>
>>  Why MAG, which is not working as a multicast router but MLD proxy,
>>>> cannot control forwarding states and traffic?
>>>>
>>> Sorry, this was not precise: the regular MLD proxy function of
>>> course does not provide an explicit group control. However,
>>> operators can control multicast traffic distribution in their
>>> network and they could prevent MAGs from implementing unwanted
>>> states by some ACL mechanism (beyond MLD).
>>>
>>
>> I think it would be possible for an MLD proxy to implement some ACL
>> mechanism without the protocol modification.
>> But anyway, discussing such requirement is useful. Thanks.
>>
>
> Sure - this was not proposing to extend protocol. Just a discussion of
> possible deployment scenarios ... and operator options.
>
> Regards,
>
> Thomas
> --
>
> =B0 Prof. Dr. Thomas C. Schmidt
> =B0 HAW Hamburg, Dept. Informatik
> =B0 University of Applied Sciences
> =B0 Berliner Tor 7, D 20099 Hamburg, Germany
> =B0 Fon: +49-40-42875-8452, Fax: -8409
> =B0 http://www.informatik.haw-hamburg.de/~schmidt
> _______________________________________________
>  multimob mailing list
> multimob@ietf.org
> https://www.ietf.org/mailman/listinfo/multimob
>

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<div>Hi, Thomas,</div>
<div>&nbsp;</div>
<div>I would agree this scenario, </div>
<div>as I asked before, it will not extend any protocol, only description o=
f functionality of network entity, maybe more implementation issue.</div>
<div>&nbsp;</div>
<div>then my question here&nbsp;is do we need keep this a specific scenario=
 figure in our draft?</div>
<div>&nbsp;</div>
<div>thanks again.</div>
<div>&nbsp;</div>
<div>-Hui<br><br></div>
<div class=3D"gmail_quote">2008/11/7 Thomas C. Schmidt <span dir=3D"ltr">&l=
t;<a href=3D"mailto:schmidt@informatik.haw-hamburg.de">schmidt@informatik.h=
aw-hamburg.de</a>&gt;</span><br>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div class=3D"Ih2E3d">Hitoshi Asaeda wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Why MAG, which is not working as=
 a multicast router but MLD proxy,<br>cannot control forwarding states and =
traffic?<br>
</blockquote>Sorry, this was not precise: the regular MLD proxy function of=
<br>course does not provide an explicit group control. However,<br>operator=
s can control multicast traffic distribution in their<br>network and they c=
ould prevent MAGs from implementing unwanted<br>
states by some ACL mechanism (beyond MLD).<br></blockquote><br>I think it w=
ould be possible for an MLD proxy to implement some ACL<br>mechanism withou=
t the protocol modification.<br>But anyway, discussing such requirement is =
useful. Thanks.<br>
</blockquote><br></div>Sure - this was not proposing to extend protocol. Ju=
st a discussion of possible deployment scenarios ... and operator options.=
=20
<div class=3D"Ih2E3d"><br><br>Regards,<br><br>Thomas<br>-- <br><br>=B0 Prof=
. Dr. Thomas C. Schmidt<br>=B0 HAW Hamburg, Dept. Informatik<br>=B0 Univers=
ity of Applied Sciences<br>=B0 Berliner Tor 7, D 20099 Hamburg, Germany<br>=
=B0 Fon: +49-40-42875-8452, Fax: -8409<br>
=B0 <a href=3D"http://www.informatik.haw-hamburg.de/~schmidt" target=3D"_bl=
ank">http://www.informatik.haw-hamburg.de/~schmidt</a><br>_________________=
______________________________<br></div>
<div>
<div></div>
<div class=3D"Wj3C7c">multimob mailing list<br><a href=3D"mailto:multimob@i=
etf.org" target=3D"_blank">multimob@ietf.org</a><br><a href=3D"https://www.=
ietf.org/mailman/listinfo/multimob" target=3D"_blank">https://www.ietf.org/=
mailman/listinfo/multimob</a><br>
</div></div></blockquote></div><br>

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Date: Sun, 09 Nov 2008 17:44:01 +0100
From: "Thomas C. Schmidt" <schmidt@informatik.haw-hamburg.de>
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To: Hui Deng <denghui02@gmail.com>
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Cc: multimob@ietf.org
Subject: Re: [multimob] Comments
	ondraft-deng-multimob-pmip6-requirement-01.txt
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Hi Hui,

Hui Deng wrote:

>  I would agree this scenario,
> as I asked before, it will not extend any protocol, only description of =

> functionality of network entity, maybe more implementation issue.
>  =

> then my question here is do we need keep this a specific scenario figure =

> in our draft?
>
I guess yes: may be we even should add a third scenario with the LMA on =

path ... the objective being a helpful sketch of the scenarios we =

operate in.

Best regards,

Thomas


> 2008/11/7 Thomas C. Schmidt <schmidt@informatik.haw-hamburg.de =

> <mailto:schmidt@informatik.haw-hamburg.de>>
> =

>     Hitoshi Asaeda wrote:
> =

>                 Why MAG, which is not working as a multicast router but
>                 MLD proxy,
>                 cannot control forwarding states and traffic?
> =

>             Sorry, this was not precise: the regular MLD proxy function of
>             course does not provide an explicit group control. However,
>             operators can control multicast traffic distribution in their
>             network and they could prevent MAGs from implementing unwanted
>             states by some ACL mechanism (beyond MLD).
> =

> =

>         I think it would be possible for an MLD proxy to implement some A=
CL
>         mechanism without the protocol modification.
>         But anyway, discussing such requirement is useful. Thanks.
> =

> =

>     Sure - this was not proposing to extend protocol. Just a discussion
>     of possible deployment scenarios ... and operator options.
> =

> =

>     Regards,
> =

>     Thomas
>     -- =

> =

>     =B0 Prof. Dr. Thomas C. Schmidt
>     =B0 HAW Hamburg, Dept. Informatik
>     =B0 University of Applied Sciences
>     =B0 Berliner Tor 7, D 20099 Hamburg, Germany
>     =B0 Fon: +49-40-42875-8452, Fax: -8409
>     =B0 http://www.informatik.haw-hamburg.de/~schmidt
>     _______________________________________________
>     multimob mailing list
>     multimob@ietf.org <mailto:multimob@ietf.org>
>     https://www.ietf.org/mailman/listinfo/multimob
> =

> =


-- =


=B0 Prof. Dr. Thomas C. Schmidt
=B0 HAW Hamburg, Dept. Informatik
=B0 University of Applied Sciences
=B0 Berliner Tor 7, D 20099 Hamburg, Germany
=B0 Fon: +49-40-42875-8452, Fax: -8409
=B0 http://www.informatik.haw-hamburg.de/~schmidt
_______________________________________________
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From: Behcet Sarikaya <behcetsarikaya@yahoo.com>
To: john.zhao@huawei.com, pierrick.seite@orange-ftgroup.com
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Hi John, Pierrick,
  I read this draft and have a few comments.
I think that the main idea in your draft is triggering the multicast subscription from the network so that MN does not participate in MLDv2 signaling.

In Section 4.1.1.1. below Fig. 1 item 6, RFC 5312 should be RFC 5213.

Section 5.1 and Section 5.2 text are almost same, why?
Section 6.1 it says LMA needs to configure its upstream and downstream interfaces statistically. I think this should be statically. 

Section 7.1. at the end there is a note, is this intended to describe what WiMAX Forum is trying to do?

There are many other typos in the draft that I could not list them all here.

Regards,

Behcet




________________________________
From: John.zhao <john.zhao@huawei.com>
To: Behcet Sarikaya <sarikaya@ieee.org>
Sent: Tuesday, November 4, 2008 7:56:18 PM
Subject: RE: [multimob] FW: I-D Submitter Authentication for draft-zhao-multimob-pmip6-solution

 
Hi,Behcet
 
    Reference the following 
link:    http://www.ietf.org/internet-drafts/draft-zhao-multimob-pmip6-solution-02.txt
 john.zhao
 
 


________________________________
 

Hi John,
  I still cannot access your draft.




________________________________
 
 
Hi,behcet
 
    Yes. You are right. Thank you very much. Sorry for my  inattention for this email. I have replied it. :-)
    Best Rgds,
Thanks,
 john.zhao
 

 
Hi John,
  I think you forgot to follow the link given below 
and because of that your new draft has still not been  submitted. 
We do have 00 version  online.

Regards,

Behcet




________________________________
 
Hi,all

    Following is the draft for  pmipv6-based mobility multicast, welcome
comments or correct if something  is not right.

    Best  Rgds,
Thanks,


john.zhao
>  draft-zhao-multimob-pmip6-solution
> 
> Please follow the link  below to complete your I-D submission.
> 
> https://datatracker.ietf.org/idst/auto_post.cgi?auth_key=ikQAu
>  RlrfmZTNLMnFcGGQZBP7JsyCYMZ&submission_id=10344
> 
> Please  note that if you do not follow the link above by 
> 2008-11-03, then  this submission will be canceled and your 
> Internet-Draft will be  permanently removed from the staging area.
> 
> The IETF  Secretariat.
> 


_______________________________________________
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<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></he=
ad><body><div style=3D"font-family:times new roman,new york,times,serif;fon=
t-size:14pt"><div>Hi John, Pierrick,<br>&nbsp; I read this draft and have a=
 few comments.<br>I think that the main idea in your draft is triggering th=
e multicast subscription from the network so that MN does not participate i=
n MLDv2 signaling.<br><br>In Section 4.1.1.1. below Fig. 1 item 6, RFC 5312=
 should be RFC 5213.<br><br>Section 5.1 and Section 5.2 text are almost sam=
e, why?<br>Section 6.1 it says LMA needs to configure its upstream and down=
stream interfaces statistically. I think this should be statically. <br><br=
>Section 7.1. at the end there is a note, is this intended to describe what=
 WiMAX Forum is trying to do?<br><br>There are many other typos in the draf=
t that I could not list them all here.<br><br>Regards,<br><br>Behcet<br></d=
iv><div style=3D"font-family: times new roman,new york,times,serif;
 font-size: 14pt;"><br><div style=3D"font-family: times new roman,new york,=
times,serif; font-size: 12pt;"><font size=3D"2" face=3D"Tahoma"><hr size=3D=
"1"><b><span style=3D"font-weight: bold;">From:</span></b> John.zhao &lt;jo=
hn.zhao@huawei.com&gt;<br><b><span style=3D"font-weight: bold;">To:</span><=
/b> Behcet Sarikaya &lt;sarikaya@ieee.org&gt;<br><b><span style=3D"font-wei=
ght: bold;">Sent:</span></b> Tuesday, November 4, 2008 7:56:18 PM<br><b><sp=
an style=3D"font-weight: bold;">Subject:</span></b> RE: [multimob] FW: I-D =
Submitter Authentication for draft-zhao-multimob-pmip6-solution<br></font><=
br>=0A=0A=0A =0A<style type=3D"text/css">DIV {=0AMARGIN:0px;}=0A</style>=0A=
=0A=0A<div><font size=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5"><span c=
lass=3D"881015401-05112008">Hi,Behcet</span></font></div>=0A<div><font size=
=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5"><span class=3D"881015401-051=
12008"></span></font>&nbsp;</div>=0A<div><font size=3D"2" color=3D"#0000ff"=
 face=3D"=CB=CE=CC=E5"><span class=3D"881015401-05112008">&nbsp;&nbsp;&nbsp=
; Reference the following =0Alink:&nbsp;&nbsp;&nbsp; </span></font><a rel=
=3D"nofollow" target=3D"_blank" href=3D"http://www.ietf.org/internet-drafts=
/draft-zhao-multimob-pmip6-solution-02.txt"><font face=3D"=CB=CE=CC=E5"><fo=
nt size=3D"2">http://www.ietf.org/internet-drafts/draft-zhao-multimob-pmip6=
-solution-02.txt</font></font></a></div>=0A<div>&nbsp;</div>=0A<p></p>=0A<p=
></p><font size=3D"2" color=3D"black" face=3D"=BB=AA=CE=C4=CF=B8=BA=DA">joh=
n.zhao<br></font>=0A<div><font size=3D"2" color=3D"#0000ff" face=3D"=CB=CE=
=CC=E5"></font>&nbsp;</div><font size=3D"2" color=3D"#0000ff" face=3D"=CB=
=CE=CC=E5"></font><br>=0A<blockquote style=3D"border-left: 2px solid rgb(0,=
 0, 255); padding-left: 5px; margin-left: 5px; margin-right: 0px;">=0A  <di=
v class=3D"OutlookMessageHeader" dir=3D"ltr" align=3D"left" lang=3D"zh-cn">=
=0A  <hr tabindex=3D"-1">=0A  <br></div>=0A  <div></div>=0A  <div style=3D"=
font-size: 14pt; font-family: times new roman,new york,times,serif;">=0A  <=
div>Hi John,<br>&nbsp; I still cannot access your draft.<br></div>=0A  <div=
 style=3D"font-size: 14pt; font-family: times new roman,new york,times,seri=
f;"><font size=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5"></font><font s=
ize=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5"></font><font size=3D"2" c=
olor=3D"#0000ff" face=3D"=CB=CE=CC=E5"></font><br>=0A  <div style=3D"font-s=
ize: 12pt; font-family: times new roman,new york,times,serif;"><font size=
=3D"2" face=3D"Tahoma">=0A  <hr size=3D"1">=0A  </font><br>=0A  <style type=
=3D"text/css">DIV {=0AMARGIN:0px;}=0A</style>=0A=0A  <div><span class=3D"88=
0255201-03112008"><font size=3D"2" color=3D"#0000ff" face=3D"KNLe">Hi,behce=
t</font></span></div>=0A  <div><span class=3D"880255201-03112008"><font siz=
e=3D"2" color=3D"#0000ff" face=3D"KNLe"></font></span>&nbsp;</div>=0A  <div=
><span class=3D"880255201-03112008">&nbsp;&nbsp;&nbsp; <font size=3D"2" col=
or=3D"#0000ff" face=3D"KNLe">Yes. You are right. Thank you very much. Sorry=
 for my =0A  inattention for this email. I have replied it. :-)</font></spa=
n></div>=0A  <div><span class=3D"880255201-03112008">&nbsp;&nbsp;&nbsp; <fo=
nt size=3D"2" color=3D"#0000ff" face=3D"KNLe">Best Rgds,</font></span></div=
>=0A  <div><span class=3D"880255201-03112008"><font size=3D"2" color=3D"#00=
00ff" face=3D"KNLe">Thanks,</font></span></div>=0A  <div><font size=3D"2" c=
olor=3D"#0000ff" face=3D"KNLe"></font>&nbsp;</div>=0A  <p></p>=0A  <p></p><=
font size=3D"2" color=3D"black" face=3D";*NDO8:Z">john.zhao<br></font>=0A  =
<blockquote style=3D"border-left: 2px solid rgb(0, 0, 255); padding-left: 5=
px; margin-left: 5px; margin-right: 0px;">=0A    <div class=3D"OutlookMessa=
geHeader" dir=3D"ltr" align=3D"left" lang=3D"zh-cn"><font size=3D"2" color=
=3D"#0000ff" face=3D"KNLe"></font><font size=3D"2" color=3D"#0000ff"></font=
><br>&nbsp;</div>=0A    <div></div>=0A    <div style=3D"font-size: 14pt; fo=
nt-family: times new roman,new york,times,serif;">=0A    <div>Hi John,<br>&=
nbsp; I think you forgot to follow the link given below =0A    <img src=3D"=
http://mail.yimg.com/us.yimg.com/i/mesg/tsmileys2/01.gif"><br>and because o=
f that your new draft has still not been =0A    submitted. <br>We do have 0=
0 version =0A    online.<br><br>Regards,<br><br>Behcet<br></div>=0A    <div=
 style=3D"font-size: 14pt; font-family: times new roman,new york,times,seri=
f;"><font size=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5"></font><br>=0A=
    <div style=3D"font-size: 13px; font-family: arial,helvetica,sans-serif;=
"><font size=3D"2" face=3D"Tahoma">=0A    <hr size=3D"1">=0A    </font><br>=
Hi,all<br><br>&nbsp;&nbsp;&nbsp; Following is the draft for =0A    pmipv6-b=
ased mobility multicast, welcome<br>comments or correct if something =0A   =
 is not right.<br><br>&nbsp;&nbsp;&nbsp; Best =0A    Rgds,<br>Thanks,<br><b=
r><br>john.zhao<br>&gt; =0A    draft-zhao-multimob-pmip6-solution<br>&gt; <=
br>&gt; Please follow the link =0A    below to complete your I-D submission=
.<br>&gt; <br>&gt; <a rel=3D"nofollow" target=3D"_blank" href=3D"https://da=
tatracker.ietf.org/idst/auto_post.cgi?auth_key=3DikQAu">https://datatracker=
.ietf.org/idst/auto_post.cgi?auth_key=3DikQAu</a><br>&gt; =0A    RlrfmZTNLM=
nFcGGQZBP7JsyCYMZ&amp;submission_id=3D10344<br>&gt; <br>&gt; Please =0A    =
note that if you do not follow the link above by <br>&gt; 2008-11-03, then =
=0A    this submission will be canceled and your <br>&gt; Internet-Draft wi=
ll be =0A    permanently removed from the staging area.<br>&gt; <br>&gt; Th=
e IETF =0A    Secretariat.<br>&gt; =0A    <br><br><br>_____________________=
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Date: Wed, 12 Nov 2008 11:22:34 +0800
From: "John.zhao" <john.zhao@huawei.com>
In-reply-to: <670977.8120.qm@web38807.mail.mud.yahoo.com>
To: 'Behcet Sarikaya' <sarikaya@ieee.org>, pierrick.seite@orange-ftgroup.com
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Subject: Re: [multimob] draft-zhao-multimob-pmip6-solution
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Hi,Behcet
 
        Thanks for your review. See my comments inline.
 
    Best Rgds,
Thanks,

john.zhao



 
Hi John, Pierrick,
  I read this draft and have a few comments.
I think that the main idea in your draft is triggering the multicast
subscription from the network so that MN does not participate in MLDv2
signaling.
[John.zhao] In some sense, it is exactly. But we just try to describ the
solution from MAG but not MN. And, it just describs the architecture which
can support both of the two cases that MN with MLDv2 signaling or not. 

In Section 4.1.1.1. below Fig. 1 item 6, RFC 5312 should be RFC 5213.
[John.zhao] Sorry. Thanks. 

Section 5.1 and Section 5.2 text are almost same, why?
[John.zhao] We will append some additional words to explain the difference.
 
Section 6.1 it says LMA needs to configure its upstream and downstream
interfaces statistically. I think this should be statically. 
[John.zhao] Thanks.
 
Section 7.1. at the end there is a note, is this intended to describe what
WiMAX Forum is trying to do?
[John.zhao] Maybe, but how do you think? Not sure if some foreign reference
need to be appended at here. Currently, there is really some discussions and
documents related to it in IEEE802.16m.

There are many other typos in the draft that I could not list them all here.
[John.zhao] Thanks. We will fix them in next version. Thanks again.
 
Regards,

Behcet



  _____  

From: John.zhao <john.zhao@huawei.com>
To: Behcet Sarikaya <sarikaya@ieee.org>
Sent: Tuesday, November 4, 2008 7:56:18 PM
Subject: RE: [multimob] FW: I-D Submitter Authentication for
draft-zhao-multimob-pmip6-solution


Hi,Behcet
 
    Reference the following link:
<http://www.ietf.org/internet-drafts/draft-zhao-multimob-pmip6-solution-02.t
xt>
http://www.ietf.org/internet-drafts/draft-zhao-multimob-pmip6-solution-02.tx
t
 





john.zhao

 



  _____  


Hi John,
  I still cannot access your draft.




  _____  


Hi,behcet
 
    Yes. You are right. Thank you very much. Sorry for my inattention for
this email. I have replied it. :-)
    Best Rgds,
Thanks,
 





john.zhao



 
Hi John,
  I think you forgot to follow the link given below
<http://mail.yimg.com/us.yimg.com/i/mesg/tsmileys2/01.gif> 
and because of that your new draft has still not been submitted. 
We do have 00 version online.

Regards,

Behcet




  _____  


Hi,all

    Following is the draft for pmipv6-based mobility multicast, welcome
comments or correct if something is not right.

    Best Rgds,
Thanks,


john.zhao
> draft-zhao-multimob-pmip6-solution
> 
> Please follow the link below to complete your I-D submission.
> 
> https://datatracker.ietf.org/idst/auto_post.cgi?auth_key=ikQAu
> RlrfmZTNLMnFcGGQZBP7JsyCYMZ&submission_id=10344
> 
> Please note that if you do not follow the link above by 
> 2008-11-03, then this submission will be canceled and your 
> Internet-Draft will be permanently removed from the staging area.
> 
> The IETF Secretariat.
> 


_______________________________________________
multimob mailing list
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https://www.ietf.org/mailman/listinfo/multimob






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<META content="MSHTML 6.00.2900.3429" name=GENERATOR></HEAD>
<BODY>
<DIV><SPAN class=314155802-12112008><FONT face=&#23435;&#20307; color=#0000ff 
size=2>Hi,Behcet</FONT></SPAN></DIV>
<DIV><SPAN class=314155802-12112008><FONT face=&#23435;&#20307; color=#0000ff 
size=2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=314155802-12112008><FONT face=&#23435;&#20307; color=#0000ff 
size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Thanks for your review. See my 
comments inline.</FONT></SPAN></DIV>
<DIV><SPAN class=314155802-12112008><FONT face=&#23435;&#20307; color=#0000ff 
size=2></FONT></SPAN>&nbsp;</DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2><SPAN 
class=314155802-12112008>&nbsp;&nbsp;&nbsp; Best Rgds,</SPAN></FONT></DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2><SPAN 
class=314155802-12112008>Thanks,</SPAN></FONT></DIV>
<P></P>
<P></P><FONT face=&#21326;&#25991;&#32454;&#40657; color=black size=2>john.zhao<BR></FONT>
<BLOCKQUOTE 
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
  <DIV class=OutlookMessageHeader lang=zh-cn dir=ltr align=left><FONT face=&#23435;&#20307; 
  color=#0000ff size=2></FONT><FONT face=&#23435;&#20307; color=#0000ff 
  size=2></FONT><BR>&nbsp;</DIV>
  <DIV></DIV>
  <DIV 
  style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif">
  <DIV>Hi John, Pierrick,<BR>&nbsp; I read this draft and have a few 
  comments.<BR>I think that the main idea in your draft is triggering the 
  multicast subscription from the network so that MN does not participate in 
  MLDv2 signaling.<BR><SPAN class=314155802-12112008><FONT face=&#23435;&#20307; color=#0000ff 
  size=2>[John.zhao]&nbsp;In some sense, it is exactly. But we just try to 
  describ the solution from MAG but not MN. And, it just describs&nbsp;the 
  architecture which can&nbsp;support both of the two cases that MN with MLDv2 
  signaling or not. </FONT></SPAN><BR><BR>In Section 4.1.1.1. below Fig. 1 item 
  6, RFC 5312 should be RFC 5213.<BR><SPAN class=314155802-12112008><FONT 
  face=&#23435;&#20307; color=#0000ff 
  size=2>[John.zhao]&nbsp;Sorry.&nbsp;Thanks.&nbsp;</FONT></SPAN><BR><BR>Section 
  5.1 and Section 5.2 text are almost same, why?<BR><SPAN 
  class=314155802-12112008><FONT face=&#23435;&#20307; color=#0000ff 
  size=2>[John.zhao]&nbsp;We will append some additional words to explain the 
  difference.</FONT></SPAN></DIV>
  <DIV><SPAN class=314155802-12112008>&nbsp;</SPAN><BR>Section 6.1 it says LMA 
  needs to configure its upstream and downstream interfaces statistically. I 
  think this should be statically. <BR><SPAN class=314155802-12112008><FONT 
  face=&#23435;&#20307; color=#0000ff size=2>[John.zhao]&nbsp;Thanks.</FONT></SPAN></DIV>
  <DIV><SPAN class=314155802-12112008>&nbsp;</SPAN><BR>Section 7.1. at the end 
  there is a note, is this intended to describe what WiMAX Forum is trying to 
  do?<BR><SPAN class=314155802-12112008><FONT face=&#23435;&#20307; color=#0000ff 
  size=2>[John.zhao]&nbsp;Maybe, but how do you think? Not sure if some foreign 
  reference need to be appended at here. Currently,&nbsp;there is really some 
  discussions and documents related to it in 
  IEEE802.16m.</FONT></SPAN><BR><BR>There are many other typos in the draft that 
  I could not list them all here.<BR><SPAN class=314155802-12112008><FONT 
  face=&#23435;&#20307; color=#0000ff size=2>[John.zhao]&nbsp;Thanks. We will fix&nbsp;them in 
  next&nbsp;version.&nbsp;Thanks again.</FONT></SPAN><BR><SPAN 
  class=314155802-12112008><FONT face=&#23435;&#20307; color=#0000ff 
  size=2>&nbsp;</FONT></SPAN><BR>Regards,<BR><BR>Behcet<BR></DIV>
  <DIV 
  style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif"><BR>
  <DIV 
  style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman,new york,times,serif"><FONT 
  face=Tahoma size=2>
  <HR SIZE=1>
  <B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> John.zhao 
  &lt;john.zhao@huawei.com&gt;<BR><B><SPAN 
  style="FONT-WEIGHT: bold">To:</SPAN></B> Behcet Sarikaya 
  &lt;sarikaya@ieee.org&gt;<BR><B><SPAN 
  style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday, November 4, 2008 7:56:18 
  PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: [multimob] 
  FW: I-D Submitter Authentication for 
  draft-zhao-multimob-pmip6-solution<BR></FONT><BR>
  <STYLE type=text/css>DIV {
	MARGIN: 0px
}
</STYLE>

  <DIV><FONT face=KNLe color=#0000ff size=2><SPAN 
  class=881015401-05112008>Hi,Behcet</SPAN></FONT></DIV>
  <DIV><FONT face=KNLe color=#0000ff size=2><SPAN 
  class=881015401-05112008></SPAN></FONT>&nbsp;</DIV>
  <DIV><FONT face=KNLe color=#0000ff size=2><SPAN 
  class=881015401-05112008>&nbsp;&nbsp;&nbsp; Reference the following 
  link:&nbsp;&nbsp;&nbsp; </SPAN></FONT><A 
  href="http://www.ietf.org/internet-drafts/draft-zhao-multimob-pmip6-solution-02.txt" 
  target=_blank rel=nofollow><FONT face=KNLe><FONT 
  size=2>http://www.ietf.org/internet-drafts/draft-zhao-multimob-pmip6-solution-02.txt</FONT></FONT></A></DIV>
  <DIV>&nbsp;</DIV>
  <P></P>
  <P></P><FONT face=;*NDO8:Z color=black size=2>john.zhao<BR></FONT>
  <DIV><FONT face=KNLe color=#0000ff size=2></FONT>&nbsp;</DIV><FONT face=KNLe 
  color=#0000ff size=2></FONT><BR>
  <BLOCKQUOTE 
  style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(0,0,255) 2px solid; MARGIN-RIGHT: 0px">
    <DIV class=OutlookMessageHeader lang=zh-cn dir=ltr align=left>
    <HR tabIndex=-1>
    <BR></DIV>
    <DIV></DIV>
    <DIV 
    style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif">
    <DIV>Hi John,<BR>&nbsp; I still cannot access your draft.<BR></DIV>
    <DIV 
    style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif"><FONT 
    face=KNLe color=#0000ff size=2></FONT><FONT face=KNLe color=#0000ff 
    size=2></FONT><FONT face=KNLe color=#0000ff size=2></FONT><BR>
    <DIV 
    style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman,new york,times,serif"><FONT 
    face=Tahoma size=2>
    <HR SIZE=1>
    </FONT><BR>
    <STYLE type=text/css>DIV {
	MARGIN: 0px
}
</STYLE>

    <DIV><SPAN class=880255201-03112008><FONT face=KNLe color=#0000ff 
    size=2>Hi,behcet</FONT></SPAN></DIV>
    <DIV><SPAN class=880255201-03112008><FONT face=KNLe color=#0000ff 
    size=2></FONT></SPAN>&nbsp;</DIV>
    <DIV><SPAN class=880255201-03112008>&nbsp;&nbsp;&nbsp; <FONT face=KNLe 
    color=#0000ff size=2>Yes. You are right. Thank you very much. Sorry for my 
    inattention for this email. I have replied it. :-)</FONT></SPAN></DIV>
    <DIV><SPAN class=880255201-03112008>&nbsp;&nbsp;&nbsp; <FONT face=KNLe 
    color=#0000ff size=2>Best Rgds,</FONT></SPAN></DIV>
    <DIV><SPAN class=880255201-03112008><FONT face=KNLe color=#0000ff 
    size=2>Thanks,</FONT></SPAN></DIV>
    <DIV><FONT face=KNLe color=#0000ff size=2></FONT>&nbsp;</DIV>
    <P></P>
    <P></P><FONT face=;*NDO8:Z color=black size=2>john.zhao<BR></FONT>
    <BLOCKQUOTE 
    style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(0,0,255) 2px solid; MARGIN-RIGHT: 0px">
      <DIV class=OutlookMessageHeader lang=zh-cn dir=ltr align=left><FONT 
      face=KNLe color=#0000ff size=2></FONT><FONT color=#0000ff 
      size=2></FONT><BR>&nbsp;</DIV>
      <DIV></DIV>
      <DIV 
      style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif">
      <DIV>Hi John,<BR>&nbsp; I think you forgot to follow the link given below 
      <IMG src="http://mail.yimg.com/us.yimg.com/i/mesg/tsmileys2/01.gif" 
      NOSEND="1"><BR>and because of that your new draft has still not been 
      submitted. <BR>We do have 00 version 
      online.<BR><BR>Regards,<BR><BR>Behcet<BR></DIV>
      <DIV 
      style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif"><FONT 
      face=KNLe color=#0000ff size=2></FONT><BR>
      <DIV 
      style="FONT-SIZE: 13px; FONT-FAMILY: arial,helvetica,sans-serif"><FONT 
      face=Tahoma size=2>
      <HR SIZE=1>
      </FONT><BR>Hi,all<BR><BR>&nbsp;&nbsp;&nbsp; Following is the draft for 
      pmipv6-based mobility multicast, welcome<BR>comments or correct if 
      something is not right.<BR><BR>&nbsp;&nbsp;&nbsp; Best 
      Rgds,<BR>Thanks,<BR><BR><BR>john.zhao<BR>&gt; 
      draft-zhao-multimob-pmip6-solution<BR>&gt; <BR>&gt; Please follow the link 
      below to complete your I-D submission.<BR>&gt; <BR>&gt; <A 
      href="https://datatracker.ietf.org/idst/auto_post.cgi?auth_key=ikQAu" 
      target=_blank 
      rel=nofollow>https://datatracker.ietf.org/idst/auto_post.cgi?auth_key=ikQAu</A><BR>&gt; 
      RlrfmZTNLMnFcGGQZBP7JsyCYMZ&amp;submission_id=10344<BR>&gt; <BR>&gt; 
      Please note that if you do not follow the link above by <BR>&gt; 
      2008-11-03, then this submission will be canceled and your <BR>&gt; 
      Internet-Draft will be permanently removed from the staging area.<BR>&gt; 
      <BR>&gt; The IETF Secretariat.<BR>&gt; 
      <BR><BR><BR>_______________________________________________<BR>multimob 
      mailing list<BR><A href="mailto:multimob@ietf.org" target=_blank 
      rel=nofollow 
      ymailto="mailto:multimob@ietf.org">multimob@ietf.org</A><BR><A 
      href="https://www.ietf.org/mailman/listinfo/multimob" target=_blank 
      rel=nofollow>https://www.ietf.org/mailman/listinfo/multimob</A><BR></DIV></DIV></DIV><BR></BLOCKQUOTE></DIV></DIV></DIV><BR></BLOCKQUOTE></DIV></DIV></DIV><BR></BLOCKQUOTE></BODY></HTML>

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Dear all,
  Those who are presenting at Multimob BoF on Monday, please send your presentations to Brian and me by Saturday, Nov. 15, 2008.
  Thanks,

Brian & Behcet



      
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<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:14pt"><div>Dear all,<br>&nbsp; Those who are presenting at Multimob BoF on Monday, please send your presentations to Brian and me by Saturday, Nov. 15, 2008.<br>&nbsp; Thanks,<br><br>Brian &amp; Behcet<br></div></div><br>

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References: <008c01c94475$e7b08ee0$a864a8c0@china.huawei.com>
Date: Thu, 13 Nov 2008 08:39:28 -0800 (PST)
From: Behcet Sarikaya <behcetsarikaya@yahoo.com>
To: john.zhao@huawei.com, pierrick.seite@orange-ftgroup.com
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Subject: Re: [multimob] draft-zhao-multimob-pmip6-solution
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Hi John,
  I just want to clarify that PMIPv6 proxies MN for mobility signaling. Proxing MN for MLD signaling is completely another issue because group management protocol signaling does not fall into the same category.
  Because of this maybe you should clarify and justify better why you want network based subscription and why it should be MAG and not LMA-based in your draft.
  Regards,

Behcet




________________________________
From: John.zhao <john.zhao@huawei.com>
To: Behcet Sarikaya <sarikaya@ieee.org>; pierrick.seite@orange-ftgroup.com
Cc: multimob@ietf.org
Sent: Tuesday, November 11, 2008 9:22:34 PM
Subject: Re: [multimob] draft-zhao-multimob-pmip6-solution

 
Hi,Behcet
 
        Thanks for your review. See my 
comments inline.
 
    Best Rgds,
Thanks,john.zhao
 

 
Hi John, Pierrick,
  I read this draft and have a few  comments.
I think that the main idea in your draft is triggering the  multicast subscription from the network so that MN does not participate in  MLDv2 signaling.
[John.zhao] In some sense, it is exactly. But we just try to  describ the solution from MAG but not MN. And, it just describs the  architecture which can support both of the two cases that MN with MLDv2  signaling or not. 

In Section 4.1.1.1. below Fig. 1 item  6, RFC 5312 should be RFC 5213.
[John.zhao] Sorry. Thanks. 

Section  5.1 and Section 5.2 text are almost same, why?
[John.zhao] We will append some additional words to explain the  difference.
 
Section 6.1 it says LMA  needs to configure its upstream and downstream interfaces statistically. I  think this should be statically. 
[John.zhao] Thanks.
 
Section 7.1. at the end  there is a note, is this intended to describe what WiMAX Forum is trying to  do?
[John.zhao] Maybe, but how do you think? Not sure if some foreign  reference need to be appended at here. Currently, there is really some  discussions and documents related to it in  IEEE802.16m.

There are many other typos in the draft that  I could not list them all here.
[John.zhao] Thanks. We will fix them in  next version. Thanks again.
 
Regards,

Behcet




________________________________
 From: John.zhao  <john.zhao@huawei.com>
To: Behcet Sarikaya  <sarikaya@ieee.org>
Sent: Tuesday, November 4, 2008 7:56:18  PM
Subject: RE: [multimob]  FW: I-D Submitter Authentication for  draft-zhao-multimob-pmip6-solution

 
Hi,Behcet
 
    Reference the following  link:    http://www.ietf.org/internet-drafts/draft-zhao-multimob-pmip6-solution-02.txt
 john.zhao
 
 


________________________________
 

Hi John,
  I still cannot access your draft.




________________________________
 
 
Hi,behcet
 
    Yes. You are right. Thank you very much. Sorry for my  inattention for this email. I have replied it. :-)
    Best Rgds,
Thanks,
 john.zhao
 

 
Hi John,
  I think you forgot to follow the link given below 
and because of that your new draft has still not been  submitted. 
We do have 00 version  online.

Regards,

Behcet




________________________________
 
Hi,all

    Following is the draft for  pmipv6-based mobility multicast, welcome
comments or correct if  something is not right.

    Best  Rgds,
Thanks,


john.zhao
>  draft-zhao-multimob-pmip6-solution
> 
> Please follow the link  below to complete your I-D submission.
> 
> https://datatracker.ietf.org/idst/auto_post.cgi?auth_key=ikQAu
>  RlrfmZTNLMnFcGGQZBP7JsyCYMZ&submission_id=10344
> 
>  Please note that if you do not follow the link above by 
>  2008-11-03, then this submission will be canceled and your 
>  Internet-Draft will be permanently removed from the staging area.
> 
> The IETF Secretariat.
> 


_______________________________________________
multimob  mailing list
multimob@ietf.org
https://www.ietf.org/mailman/listinfo/multimob


      
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<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></he=
ad><body><div style=3D"font-family:times new roman,new york,times,serif;fon=
t-size:14pt"><div>Hi John,<br>&nbsp; I just want to clarify that PMIPv6 pro=
xies MN for mobility signaling. Proxing MN for MLD signaling is completely =
another issue because group management protocol signaling does not fall int=
o the same category.<br>&nbsp; Because of this maybe you should clarify and=
 justify better why you want network based subscription and why it should b=
e MAG and not LMA-based in your draft.<br>&nbsp; Regards,<br><br>Behcet<br>=
</div><div style=3D"font-family: times new roman,new york,times,serif; font=
-size: 14pt;"><br><div style=3D"font-family: times new roman,new york,times=
,serif; font-size: 12pt;"><font size=3D"2" face=3D"Tahoma"><hr size=3D"1"><=
b><span style=3D"font-weight: bold;">From:</span></b> John.zhao &lt;john.zh=
ao@huawei.com&gt;<br><b><span style=3D"font-weight: bold;">To:</span></b> B=
ehcet
 Sarikaya &lt;sarikaya@ieee.org&gt;; pierrick.seite@orange-ftgroup.com<br><=
b><span style=3D"font-weight: bold;">Cc:</span></b> multimob@ietf.org<br><b=
><span style=3D"font-weight: bold;">Sent:</span></b> Tuesday, November 11, =
2008 9:22:34 PM<br><b><span style=3D"font-weight: bold;">Subject:</span></b=
> Re: [multimob] draft-zhao-multimob-pmip6-solution<br></font><br>=0A=0A=0A=
 =0A<style type=3D"text/css">DIV {=0AMARGIN:0px;}=0A</style>=0A=0A=0A<div><=
span class=3D"314155802-12112008"><font size=3D"2" color=3D"#0000ff" face=
=3D"=CB=CE=CC=E5">Hi,Behcet</font></span></div>=0A<div><span class=3D"31415=
5802-12112008"><font size=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5"></f=
ont></span>&nbsp;</div>=0A<div><span class=3D"314155802-12112008"><font siz=
e=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5">&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp; Thanks for your review. See my =0Acomments inline.</font></=
span></div>=0A<div><span class=3D"314155802-12112008"><font size=3D"2" colo=
r=3D"#0000ff" face=3D"=CB=CE=CC=E5"></font></span>&nbsp;</div>=0A<div><font=
 size=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5"><span class=3D"31415580=
2-12112008">&nbsp;&nbsp;&nbsp; Best Rgds,</span></font></div>=0A<div><font =
size=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5"><span class=3D"314155802=
-12112008">Thanks,</span></font></div>=0A<p></p>=0A<p></p><font size=3D"2" =
color=3D"black" face=3D"=BB=AA=CE=C4=CF=B8=BA=DA">john.zhao<br></font>=0A<b=
lockquote style=3D"border-left: 2px solid rgb(0, 0, 255); padding-left: 5px=
; margin-left: 5px; margin-right: 0px;">=0A  <div class=3D"OutlookMessageHe=
ader" dir=3D"ltr" align=3D"left" lang=3D"zh-cn"><font size=3D"2" color=3D"#=
0000ff" face=3D"=CB=CE=CC=E5"></font><font size=3D"2" color=3D"#0000ff" fac=
e=3D"=CB=CE=CC=E5"></font><br>&nbsp;</div>=0A  <div></div>=0A  <div style=
=3D"font-size: 14pt; font-family: times new roman,new york,times,serif;">=
=0A  <div>Hi John, Pierrick,<br>&nbsp; I read this draft and have a few =0A=
  comments.<br>I think that the main idea in your draft is triggering the =
=0A  multicast subscription from the network so that MN does not participat=
e in =0A  MLDv2 signaling.<br><span class=3D"314155802-12112008"><font size=
=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5">[John.zhao]&nbsp;In some sen=
se, it is exactly. But we just try to =0A  describ the solution from MAG bu=
t not MN. And, it just describs&nbsp;the =0A  architecture which can&nbsp;s=
upport both of the two cases that MN with MLDv2 =0A  signaling or not. </fo=
nt></span><br><br>In Section 4.1.1.1. below Fig. 1 item =0A  6, RFC 5312 sh=
ould be RFC 5213.<br><span class=3D"314155802-12112008"><font size=3D"2" co=
lor=3D"#0000ff" face=3D"=CB=CE=CC=E5">[John.zhao]&nbsp;Sorry.&nbsp;Thanks.&=
nbsp;</font></span><br><br>Section =0A  5.1 and Section 5.2 text are almost=
 same, why?<br><span class=3D"314155802-12112008"><font size=3D"2" color=3D=
"#0000ff" face=3D"=CB=CE=CC=E5">[John.zhao]&nbsp;We will append some additi=
onal words to explain the =0A  difference.</font></span></div>=0A  <div><sp=
an class=3D"314155802-12112008">&nbsp;</span><br>Section 6.1 it says LMA =
=0A  needs to configure its upstream and downstream interfaces statisticall=
y. I =0A  think this should be statically. <br><span class=3D"314155802-121=
12008"><font size=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5">[John.zhao]=
&nbsp;Thanks.</font></span></div>=0A  <div><span class=3D"314155802-1211200=
8">&nbsp;</span><br>Section 7.1. at the end =0A  there is a note, is this i=
ntended to describe what WiMAX Forum is trying to =0A  do?<br><span class=
=3D"314155802-12112008"><font size=3D"2" color=3D"#0000ff" face=3D"=CB=CE=
=CC=E5">[John.zhao]&nbsp;Maybe, but how do you think? Not sure if some fore=
ign =0A  reference need to be appended at here. Currently,&nbsp;there is re=
ally some =0A  discussions and documents related to it in =0A  IEEE802.16m.=
</font></span><br><br>There are many other typos in the draft that =0A  I c=
ould not list them all here.<br><span class=3D"314155802-12112008"><font si=
ze=3D"2" color=3D"#0000ff" face=3D"=CB=CE=CC=E5">[John.zhao]&nbsp;Thanks. W=
e will fix&nbsp;them in =0A  next&nbsp;version.&nbsp;Thanks again.</font></=
span><br><span class=3D"314155802-12112008"><font size=3D"2" color=3D"#0000=
ff" face=3D"=CB=CE=CC=E5">&nbsp;</font></span><br>Regards,<br><br>Behcet<br=
></div>=0A  <div style=3D"font-size: 14pt; font-family: times new roman,new=
 york,times,serif;"><br>=0A  <div style=3D"font-size: 12pt; font-family: ti=
mes new roman,new york,times,serif;"><font size=3D"2" face=3D"Tahoma">=0A  =
<hr size=3D"1">=0A  <b><span style=3D"font-weight: bold;">From:</span></b> =
John.zhao =0A  &lt;john.zhao@huawei.com&gt;<br><b><span style=3D"font-weigh=
t: bold;">To:</span></b> Behcet Sarikaya =0A  &lt;sarikaya@ieee.org&gt;<br>=
<b><span style=3D"font-weight: bold;">Sent:</span></b> Tuesday, November 4,=
 2008 7:56:18 =0A  PM<br><b><span style=3D"font-weight: bold;">Subject:</sp=
an></b> RE: [multimob] =0A  FW: I-D Submitter Authentication for =0A  draft=
-zhao-multimob-pmip6-solution<br></font><br>=0A  <style type=3D"text/css">D=
IV {=0AMARGIN:0px;}=0A</style>=0A=0A  <div><font size=3D"2" color=3D"#0000f=
f" face=3D"KNLe"><span class=3D"881015401-05112008">Hi,Behcet</span></font>=
</div>=0A  <div><font size=3D"2" color=3D"#0000ff" face=3D"KNLe"><span clas=
s=3D"881015401-05112008"></span></font>&nbsp;</div>=0A  <div><font size=3D"=
2" color=3D"#0000ff" face=3D"KNLe"><span class=3D"881015401-05112008">&nbsp=
;&nbsp;&nbsp; Reference the following =0A  link:&nbsp;&nbsp;&nbsp; </span><=
/font><a rel=3D"nofollow" target=3D"_blank" href=3D"http://www.ietf.org/int=
ernet-drafts/draft-zhao-multimob-pmip6-solution-02.txt"><font face=3D"KNLe"=
><font size=3D"2">http://www.ietf.org/internet-drafts/draft-zhao-multimob-p=
mip6-solution-02.txt</font></font></a></div>=0A  <div>&nbsp;</div>=0A  <p><=
/p>=0A  <p></p><font size=3D"2" color=3D"black" face=3D";*NDO8:Z">john.zhao=
<br></font>=0A  <div><font size=3D"2" color=3D"#0000ff" face=3D"KNLe"></fon=
t>&nbsp;</div><font size=3D"2" color=3D"#0000ff" face=3D"KNLe"></font><br>=
=0A  <blockquote style=3D"border-left: 2px solid rgb(0, 0, 255); padding-le=
ft: 5px; margin-left: 5px; margin-right: 0px;">=0A    <div class=3D"Outlook=
MessageHeader" dir=3D"ltr" align=3D"left" lang=3D"zh-cn">=0A    <hr tabinde=
x=3D"-1">=0A    <br></div>=0A    <div></div>=0A    <div style=3D"font-size:=
 14pt; font-family: times new roman,new york,times,serif;">=0A    <div>Hi J=
ohn,<br>&nbsp; I still cannot access your draft.<br></div>=0A    <div style=
=3D"font-size: 14pt; font-family: times new roman,new york,times,serif;"><f=
ont size=3D"2" color=3D"#0000ff" face=3D"KNLe"></font><font size=3D"2" colo=
r=3D"#0000ff" face=3D"KNLe"></font><font size=3D"2" color=3D"#0000ff" face=
=3D"KNLe"></font><br>=0A    <div style=3D"font-size: 12pt; font-family: tim=
es new roman,new york,times,serif;"><font size=3D"2" face=3D"Tahoma">=0A   =
 <hr size=3D"1">=0A    </font><br>=0A    <style type=3D"text/css">DIV {=0AM=
ARGIN:0px;}=0A</style>=0A=0A    <div><span class=3D"880255201-03112008"><fo=
nt size=3D"2" color=3D"#0000ff" face=3D"KNLe">Hi,behcet</font></span></div>=
=0A    <div><span class=3D"880255201-03112008"><font size=3D"2" color=3D"#0=
000ff" face=3D"KNLe"></font></span>&nbsp;</div>=0A    <div><span class=3D"8=
80255201-03112008">&nbsp;&nbsp;&nbsp; <font size=3D"2" color=3D"#0000ff" fa=
ce=3D"KNLe">Yes. You are right. Thank you very much. Sorry for my =0A    in=
attention for this email. I have replied it. :-)</font></span></div>=0A    =
<div><span class=3D"880255201-03112008">&nbsp;&nbsp;&nbsp; <font size=3D"2"=
 color=3D"#0000ff" face=3D"KNLe">Best Rgds,</font></span></div>=0A    <div>=
<span class=3D"880255201-03112008"><font size=3D"2" color=3D"#0000ff" face=
=3D"KNLe">Thanks,</font></span></div>=0A    <div><font size=3D"2" color=3D"=
#0000ff" face=3D"KNLe"></font>&nbsp;</div>=0A    <p></p>=0A    <p></p><font=
 size=3D"2" color=3D"black" face=3D";*NDO8:Z">john.zhao<br></font>=0A    <b=
lockquote style=3D"border-left: 2px solid rgb(0, 0, 255); padding-left: 5px=
; margin-left: 5px; margin-right: 0px;">=0A      <div class=3D"OutlookMessa=
geHeader" dir=3D"ltr" align=3D"left" lang=3D"zh-cn"><font size=3D"2" color=
=3D"#0000ff" face=3D"KNLe"></font><font size=3D"2" color=3D"#0000ff"></font=
><br>&nbsp;</div>=0A      <div></div>=0A      <div style=3D"font-size: 14pt=
; font-family: times new roman,new york,times,serif;">=0A      <div>Hi John=
,<br>&nbsp; I think you forgot to follow the link given below =0A      <img=
 src=3D"http://mail.yimg.com/us.yimg.com/i/mesg/tsmileys2/01.gif"><br>and b=
ecause of that your new draft has still not been =0A      submitted. <br>We=
 do have 00 version =0A      online.<br><br>Regards,<br><br>Behcet<br></div=
>=0A      <div style=3D"font-size: 14pt; font-family: times new roman,new y=
ork,times,serif;"><font size=3D"2" color=3D"#0000ff" face=3D"KNLe"></font><=
br>=0A      <div style=3D"font-size: 13px; font-family: arial,helvetica,san=
s-serif;"><font size=3D"2" face=3D"Tahoma">=0A      <hr size=3D"1">=0A     =
 </font><br>Hi,all<br><br>&nbsp;&nbsp;&nbsp; Following is the draft for =0A=
      pmipv6-based mobility multicast, welcome<br>comments or correct if =
=0A      something is not right.<br><br>&nbsp;&nbsp;&nbsp; Best =0A      Rg=
ds,<br>Thanks,<br><br><br>john.zhao<br>&gt; =0A      draft-zhao-multimob-pm=
ip6-solution<br>&gt; <br>&gt; Please follow the link =0A      below to comp=
lete your I-D submission.<br>&gt; <br>&gt; <a rel=3D"nofollow" target=3D"_b=
lank" href=3D"https://datatracker.ietf.org/idst/auto_post.cgi?auth_key=3Dik=
QAu">https://datatracker.ietf.org/idst/auto_post.cgi?auth_key=3DikQAu</a><b=
r>&gt; =0A      RlrfmZTNLMnFcGGQZBP7JsyCYMZ&amp;submission_id=3D10344<br>&g=
t; <br>&gt; =0A      Please note that if you do not follow the link above b=
y <br>&gt; =0A      2008-11-03, then this submission will be canceled and y=
our <br>&gt; =0A      Internet-Draft will be permanently removed from the s=
taging area.<br>&gt; =0A      <br>&gt; The IETF Secretariat.<br>&gt; =0A   =
   <br><br><br>_______________________________________________<br>multimob =
=0A      mailing list<br><a rel=3D"nofollow" ymailto=3D"mailto:multimob@iet=
f.org" target=3D"_blank" href=3D"mailto:multimob@ietf.org">multimob@ietf.or=
g</a><br><a rel=3D"nofollow" target=3D"_blank" href=3D"https://www.ietf.org=
/mailman/listinfo/multimob">https://www.ietf.org/mailman/listinfo/multimob<=
/a><br></div></div></div><br></blockquote></div></div></div><br></blockquot=
e></div></div></div><br></blockquote></div></div></div><br>=0A=0A=0A=0A    =
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Date: Fri, 14 Nov 2008 08:53:38 +0800
From: "John.zhao" <john.zhao@huawei.com>
In-reply-to: <449432.24802.qm@web38808.mail.mud.yahoo.com>
To: 'Behcet Sarikaya' <sarikaya@ieee.org>, pierrick.seite@orange-ftgroup.com
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Subject: Re: [multimob] draft-zhao-multimob-pmip6-solution
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Hi,Behcet
 
    Thanks. See my comments inline.
 
Best Rgds,
 
John.zhao



Hi John,
  I just want to clarify that PMIPv6 proxies MN for mobility signaling.
Proxing MN for MLD signaling is completely another issue because group
management protocol signaling does not fall into the same category.
[John.zhao] Yes. I agree from protocol perspective. And from network
management perspective , they have some similiar points. 
  Because of this maybe you should clarify and justify better why you want
network based subscription and why it should be MAG and not LMA-based in
your draft.
[John.zhao] OK. More detail explaination will be included in the draft.Here
only summarizing on them as following:
    As to why not LMA-based, generally, it is because MAG is the first hop
of MN in pmipv6 domain, and the user profile can be accessed by MAG during
the initial network entry progress of the MN but not LMA. So MAG can have
the possible info to do proxing for MLD signalings. Meanwhile, if LMA-based
is used, that means MAG will regardless to those multicast management infos.
Thus those multicast traffics can't be aggregated between LMA and MAG except
we can let both of LMA and MAG to do proxy that will be a case of MAG-based
solution.  
 
  Regards,

Behcet



  _____  

From: John.zhao <john.zhao@huawei.com>
To: Behcet Sarikaya <sarikaya@ieee.org>; pierrick.seite@orange-ftgroup.com
Cc: multimob@ietf.org
Sent: Tuesday, November 11, 2008 9:22:34 PM
Subject: Re: [multimob] draft-zhao-multimob-pmip6-solution


Hi,Behcet
 
        Thanks for your review. See my comments inline.
 
    Best Rgds,
Thanks,





john.zhao



 
Hi John, Pierrick,
  I read this draft and have a few comments.
I think that the main idea in your draft is triggering the multicast
subscription from the network so that MN does not participate in MLDv2
signaling.
[John.zhao] In some sense, it is exactly. But we just try to describ the
solution from MAG but not MN. And, it just describs the architecture which
can support both of the two cases that MN with MLDv2 signaling or not. 

In Section 4.1.1.1. below Fig. 1 item 6, RFC 5312 should be RFC 5213.
[John.zhao] Sorry. Thanks. 

Section 5.1 and Section 5.2 text are almost same, why?
[John.zhao] We will append some additional words to explain the difference.

Section 6.1 it says LMA needs to configure its upstream and downstream
interfaces statistically. I think this should be statically. 
[John.zhao] Thanks.

Section 7.1. at the end there is a note, is this intended to describe what
WiMAX Forum is trying to do?
[John.zhao] Maybe, but how do you think? Not sure if some foreign reference
need to be appended at here. Currently, there is really some discussions and
documents related to it in IEEE802.16m.

There are many other typos in the draft that I could not list them all here.
[John.zhao] Thanks. We will fix them in next version. Thanks again.
 
Regards,

Behcet



  _____  

From: John.zhao <john.zhao@huawei.com>
To: Behcet Sarikaya <sarikaya@ieee.org>
Sent: Tuesday, November 4, 2008 7:56:18 PM
Subject: RE: [multimob] FW: I-D Submitter Authentication for
draft-zhao-multimob-pmip6-solution


Hi,Behcet
 
    Reference the following link:
<http://www.ietf.org/internet-drafts/draft-zhao-multimob-pmip6-solution-02.t
xt>
http://www.ietf.org/internet-drafts/draft-zhao-multimob-pmip6-solution-02.tx
t
 





john.zhao

 



  _____  


Hi John,
  I still cannot access your draft.




  _____  


Hi,behcet
 
    Yes. You are right. Thank you very much. Sorry for my inattention for
this email. I have replied it. :-)
    Best Rgds,
Thanks,
 





john.zhao



 
Hi John,
  I think you forgot to follow the link given below
<http://mail.yimg.com/us.yimg.com/i/mesg/tsmileys2/01.gif> 
and because of that your new draft has still not been submitted. 
We do have 00 version online.

Regards,

Behcet




  _____  


Hi,all

    Following is the draft for pmipv6-based mobility multicast, welcome
comments or correct if something is not right.

    Best Rgds,
Thanks,


john.zhao
> draft-zhao-multimob-pmip6-solution
> 
> Please follow the link below to complete your I-D submission.
> 
> https://datatracker.ietf.org/idst/auto_post.cgi?auth_key=ikQAu
> RlrfmZTNLMnFcGGQZBP7JsyCYMZ&submission_id=10344
> 
> Please note that if you do not follow the link above by 
> 2008-11-03, then this submission will be canceled and your 
> Internet-Draft will be permanently removed from the staging area.
> 
> The IETF Secretariat.
> 


_______________________________________________
multimob mailing list
multimob@ietf.org
https://www.ietf.org/mailman/listinfo/multimob







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<DIV><SPAN class=671204600-14112008><FONT face=&#23435;&#20307; color=#0000ff 
size=2>Hi,Behcet</FONT></SPAN></DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2><SPAN 
class=671204600-14112008>&nbsp;&nbsp;&nbsp; Thanks. See my comments 
inline.</SPAN></FONT></DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2><SPAN 
class=671204600-14112008></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2><SPAN class=671204600-14112008>Best 
Rgds,</SPAN></FONT></DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2><SPAN 
class=671204600-14112008></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2><SPAN 
class=671204600-14112008>John.zhao</SPAN></FONT></DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2></FONT><BR></DIV>
<BLOCKQUOTE 
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
  <DIV></DIV>
  <DIV 
  style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif">
  <DIV>Hi John,<BR>&nbsp; I just want to clarify that PMIPv6 proxies MN for 
  mobility signaling. Proxing MN for MLD signaling is completely another issue 
  because group management protocol signaling does not fall into the same 
  category.<BR><SPAN class=671204600-14112008><FONT face=&#23435;&#20307; color=#0000ff 
  size=2>[John.zhao]&nbsp;Yes. I agree from protocol perspective.&nbsp;And from 
  network management perspective , they have some similiar 
  points.&nbsp;</FONT></SPAN><BR>&nbsp; Because of this maybe you should clarify 
  and justify better why you want network based subscription and why it should 
  be MAG and not LMA-based in your draft.<BR><SPAN 
  class=671204600-14112008><FONT face=&#23435;&#20307; color=#0000ff 
  size=2>[John.zhao]&nbsp;OK. More detail explaination will be included in the 
  draft.Here only summarizing on them as following:</FONT></SPAN></DIV>
  <DIV><SPAN class=671204600-14112008><FONT face=&#23435;&#20307; color=#0000ff 
  size=2>&nbsp;&nbsp;&nbsp; As to why not LMA-based, generally, it is because 
  MAG is the first hop of MN in pmipv6 domain, and the user profile can be 
  accessed by MAG during the initial network entry progress of the MN but not 
  LMA. So MAG can have the possible info to do proxing for MLD signalings. 
  Meanwhile, if LMA-based is used, that means MAG will regardless to those 
  multicast management infos. Thus those multicast traffics can't be 
  aggregated&nbsp;between LMA and&nbsp;MAG except we can let both of LMA and MAG 
  to do proxy that will be a case of MAG-based solution.&nbsp; 
  </FONT></SPAN></DIV>
  <DIV><SPAN class=671204600-14112008>&nbsp;</SPAN><BR>&nbsp; 
  Regards,<BR><BR>Behcet<BR></DIV>
  <DIV 
  style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif"><BR>
  <DIV 
  style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman,new york,times,serif"><FONT 
  face=Tahoma size=2>
  <HR SIZE=1>
  <B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> John.zhao 
  &lt;john.zhao@huawei.com&gt;<BR><B><SPAN 
  style="FONT-WEIGHT: bold">To:</SPAN></B> Behcet Sarikaya 
  &lt;sarikaya@ieee.org&gt;; pierrick.seite@orange-ftgroup.com<BR><B><SPAN 
  style="FONT-WEIGHT: bold">Cc:</SPAN></B> multimob@ietf.org<BR><B><SPAN 
  style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday, November 11, 2008 9:22:34 
  PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [multimob] 
  draft-zhao-multimob-pmip6-solution<BR></FONT><BR>
  <STYLE type=text/css>DIV {
	MARGIN: 0px
}
</STYLE>

  <DIV><SPAN class=314155802-12112008><FONT face=KNLe color=#0000ff 
  size=2>Hi,Behcet</FONT></SPAN></DIV>
  <DIV><SPAN class=314155802-12112008><FONT face=KNLe color=#0000ff 
  size=2></FONT></SPAN>&nbsp;</DIV>
  <DIV><SPAN class=314155802-12112008><FONT face=KNLe color=#0000ff 
  size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Thanks for your review. See 
  my comments inline.</FONT></SPAN></DIV>
  <DIV><SPAN class=314155802-12112008><FONT face=KNLe color=#0000ff 
  size=2></FONT></SPAN>&nbsp;</DIV>
  <DIV><FONT face=KNLe color=#0000ff size=2><SPAN 
  class=314155802-12112008>&nbsp;&nbsp;&nbsp; Best Rgds,</SPAN></FONT></DIV>
  <DIV><FONT face=KNLe color=#0000ff size=2><SPAN 
  class=314155802-12112008>Thanks,</SPAN></FONT></DIV>
  <P></P>
  <P></P><FONT face=;*NDO8:Z color=black size=2>john.zhao<BR></FONT>
  <BLOCKQUOTE 
  style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(0,0,255) 2px solid; MARGIN-RIGHT: 0px">
    <DIV class=OutlookMessageHeader lang=zh-cn dir=ltr align=left><FONT 
    face=KNLe color=#0000ff size=2></FONT><FONT face=KNLe color=#0000ff 
    size=2></FONT><BR>&nbsp;</DIV>
    <DIV></DIV>
    <DIV 
    style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif">
    <DIV>Hi John, Pierrick,<BR>&nbsp; I read this draft and have a few 
    comments.<BR>I think that the main idea in your draft is triggering the 
    multicast subscription from the network so that MN does not participate in 
    MLDv2 signaling.<BR><SPAN class=314155802-12112008><FONT face=KNLe 
    color=#0000ff size=2>[John.zhao]&nbsp;In some sense, it is exactly. But we 
    just try to describ the solution from MAG but not MN. And, it just 
    describs&nbsp;the architecture which can&nbsp;support both of the two cases 
    that MN with MLDv2 signaling or not. </FONT></SPAN><BR><BR>In Section 
    4.1.1.1. below Fig. 1 item 6, RFC 5312 should be RFC 5213.<BR><SPAN 
    class=314155802-12112008><FONT face=KNLe color=#0000ff 
    size=2>[John.zhao]&nbsp;Sorry.&nbsp;Thanks.&nbsp;</FONT></SPAN><BR><BR>Section 
    5.1 and Section 5.2 text are almost same, why?<BR><SPAN 
    class=314155802-12112008><FONT face=KNLe color=#0000ff 
    size=2>[John.zhao]&nbsp;We will append some additional words to explain the 
    difference.</FONT></SPAN></DIV>
    <DIV><SPAN class=314155802-12112008></SPAN><BR>Section 6.1 it says LMA needs 
    to configure its upstream and downstream interfaces statistically. I think 
    this should be statically. <BR><SPAN class=314155802-12112008><FONT 
    face=KNLe color=#0000ff size=2>[John.zhao]&nbsp;Thanks.</FONT></SPAN></DIV>
    <DIV><SPAN class=314155802-12112008></SPAN><BR>Section 7.1. at the end there 
    is a note, is this intended to describe what WiMAX Forum is trying to 
    do?<BR><SPAN class=314155802-12112008><FONT face=KNLe color=#0000ff 
    size=2>[John.zhao]&nbsp;Maybe, but how do you think? Not sure if some 
    foreign reference need to be appended at here. Currently,&nbsp;there is 
    really some discussions and documents related to it in 
    IEEE802.16m.</FONT></SPAN><BR><BR>There are many other typos in the draft 
    that I could not list them all here.<BR><SPAN class=314155802-12112008><FONT 
    face=KNLe color=#0000ff size=2>[John.zhao]&nbsp;Thanks. We will 
    fix&nbsp;them in next&nbsp;version.&nbsp;Thanks 
    again.</FONT></SPAN><BR><SPAN class=314155802-12112008><FONT face=KNLe 
    color=#0000ff 
size=2>&nbsp;</FONT></SPAN><BR>Regards,<BR><BR>Behcet<BR></DIV>
    <DIV 
    style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif"><BR>
    <DIV 
    style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman,new york,times,serif"><FONT 
    face=Tahoma size=2>
    <HR SIZE=1>
    <B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> John.zhao 
    &lt;john.zhao@huawei.com&gt;<BR><B><SPAN 
    style="FONT-WEIGHT: bold">To:</SPAN></B> Behcet Sarikaya 
    &lt;sarikaya@ieee.org&gt;<BR><B><SPAN 
    style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday, November 4, 2008 7:56:18 
    PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> RE: [multimob] 
    FW: I-D Submitter Authentication for 
    draft-zhao-multimob-pmip6-solution<BR></FONT><BR>
    <STYLE type=text/css>DIV {
	MARGIN: 0px
}
</STYLE>

    <DIV><FONT face=KNLe color=#0000ff size=2><SPAN 
    class=881015401-05112008>Hi,Behcet</SPAN></FONT></DIV>
    <DIV><FONT face=KNLe color=#0000ff size=2><SPAN 
    class=881015401-05112008></SPAN></FONT>&nbsp;</DIV>
    <DIV><FONT face=KNLe color=#0000ff size=2><SPAN 
    class=881015401-05112008>&nbsp;&nbsp;&nbsp; Reference the following 
    link:&nbsp;&nbsp;&nbsp; </SPAN></FONT><A 
    href="http://www.ietf.org/internet-drafts/draft-zhao-multimob-pmip6-solution-02.txt" 
    target=_blank rel=nofollow><FONT face=KNLe><FONT 
    size=2>http://www.ietf.org/internet-drafts/draft-zhao-multimob-pmip6-solution-02.txt</FONT></FONT></A></DIV>
    <DIV>&nbsp;</DIV>
    <P></P>
    <P></P><FONT face=;*NDO8:Z color=black size=2>john.zhao<BR></FONT>
    <DIV><FONT face=KNLe color=#0000ff size=2></FONT>&nbsp;</DIV><FONT face=KNLe 
    color=#0000ff size=2></FONT><BR>
    <BLOCKQUOTE 
    style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(0,0,255) 2px solid; MARGIN-RIGHT: 0px">
      <DIV class=OutlookMessageHeader lang=zh-cn dir=ltr align=left>
      <HR tabIndex=-1>
      <BR></DIV>
      <DIV></DIV>
      <DIV 
      style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif">
      <DIV>Hi John,<BR>&nbsp; I still cannot access your draft.<BR></DIV>
      <DIV 
      style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif"><FONT 
      face=KNLe color=#0000ff size=2></FONT><FONT face=KNLe color=#0000ff 
      size=2></FONT><FONT face=KNLe color=#0000ff size=2></FONT><BR>
      <DIV 
      style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman,new york,times,serif"><FONT 
      face=Tahoma size=2>
      <HR SIZE=1>
      </FONT><BR>
      <STYLE type=text/css>DIV {
	MARGIN: 0px
}
</STYLE>

      <DIV><SPAN class=880255201-03112008><FONT face=KNLe color=#0000ff 
      size=2>Hi,behcet</FONT></SPAN></DIV>
      <DIV><SPAN class=880255201-03112008><FONT face=KNLe color=#0000ff 
      size=2></FONT></SPAN>&nbsp;</DIV>
      <DIV><SPAN class=880255201-03112008>&nbsp;&nbsp;&nbsp; <FONT face=KNLe 
      color=#0000ff size=2>Yes. You are right. Thank you very much. Sorry for my 
      inattention for this email. I have replied it. :-)</FONT></SPAN></DIV>
      <DIV><SPAN class=880255201-03112008>&nbsp;&nbsp;&nbsp; <FONT face=KNLe 
      color=#0000ff size=2>Best Rgds,</FONT></SPAN></DIV>
      <DIV><SPAN class=880255201-03112008><FONT face=KNLe color=#0000ff 
      size=2>Thanks,</FONT></SPAN></DIV>
      <DIV><FONT face=KNLe color=#0000ff size=2></FONT>&nbsp;</DIV>
      <P></P>
      <P></P><FONT face=;*NDO8:Z color=black size=2>john.zhao<BR></FONT>
      <BLOCKQUOTE 
      style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(0,0,255) 2px solid; MARGIN-RIGHT: 0px">
        <DIV class=OutlookMessageHeader lang=zh-cn dir=ltr align=left><FONT 
        face=KNLe color=#0000ff size=2></FONT><FONT color=#0000ff 
        size=2></FONT><BR>&nbsp;</DIV>
        <DIV></DIV>
        <DIV 
        style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif">
        <DIV>Hi John,<BR>&nbsp; I think you forgot to follow the link given 
        below <IMG 
        src="http://mail.yimg.com/us.yimg.com/i/mesg/tsmileys2/01.gif" 
        NOSEND="1"><BR>and because of that your new draft has still not been 
        submitted. <BR>We do have 00 version 
        online.<BR><BR>Regards,<BR><BR>Behcet<BR></DIV>
        <DIV 
        style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif"><FONT 
        face=KNLe color=#0000ff size=2></FONT><BR>
        <DIV 
        style="FONT-SIZE: 13px; FONT-FAMILY: arial,helvetica,sans-serif"><FONT 
        face=Tahoma size=2>
        <HR SIZE=1>
        </FONT><BR>Hi,all<BR><BR>&nbsp;&nbsp;&nbsp; Following is the draft for 
        pmipv6-based mobility multicast, welcome<BR>comments or correct if 
        something is not right.<BR><BR>&nbsp;&nbsp;&nbsp; Best 
        Rgds,<BR>Thanks,<BR><BR><BR>john.zhao<BR>&gt; 
        draft-zhao-multimob-pmip6-solution<BR>&gt; <BR>&gt; Please follow the 
        link below to complete your I-D submission.<BR>&gt; <BR>&gt; <A 
        href="https://datatracker.ietf.org/idst/auto_post.cgi?auth_key=ikQAu" 
        target=_blank 
        rel=nofollow>https://datatracker.ietf.org/idst/auto_post.cgi?auth_key=ikQAu</A><BR>&gt; 
        RlrfmZTNLMnFcGGQZBP7JsyCYMZ&amp;submission_id=10344<BR>&gt; <BR>&gt; 
        Please note that if you do not follow the link above by <BR>&gt; 
        2008-11-03, then this submission will be canceled and your <BR>&gt; 
        Internet-Draft will be permanently removed from the staging 
        area.<BR>&gt; <BR>&gt; The IETF Secretariat.<BR>&gt; 
        <BR><BR><BR>_______________________________________________<BR>multimob 
        mailing list<BR><A href="mailto:multimob@ietf.org" target=_blank 
        rel=nofollow 
        ymailto="mailto:multimob@ietf.org">multimob@ietf.org</A><BR><A 
        href="https://www.ietf.org/mailman/listinfo/multimob" target=_blank 
        rel=nofollow>https://www.ietf.org/mailman/listinfo/multimob</A><BR></DIV></DIV></DIV><BR></BLOCKQUOTE></DIV></DIV></DIV><BR></BLOCKQUOTE></DIV></DIV></DIV><BR></BLOCKQUOTE></DIV></DIV></DIV><BR></BLOCKQUOTE></BODY></HTML>

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From multimob-bounces@ietf.org  Mon Nov 17 11:50:31 2008
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Subject: [multimob] BoF session today at 15:20 in Duluth room
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Dear all,
  Please find all meeting materials (except one) posted at:
https://datatracker.ietf.org/meeting/73/materials.html

and the latest agenda at:
http://www.ietf.org/proceedings/08nov/agenda/multimob.html

See you all soon.

Regards,

Brian & Behcet



      
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<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:14pt"><div>Dear all,<br>&nbsp; Please find all meeting materials (except one) posted at:<br>https://datatracker.ietf.org/meeting/73/materials.html<br><br>and the latest agenda at:<br>http://www.ietf.org/proceedings/08nov/agenda/multimob.html<br><br>See you all soon.<br><br>Regards,<br><br>Brian &amp; Behcet<br></div></div><br>



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_______________________________________________
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From multimob-bounces@ietf.org  Mon Nov 17 12:25:46 2008
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Date: Mon, 17 Nov 2008 21:25:23 +0100
From: "Thomas C. Schmidt" <schmidt@informatik.haw-hamburg.de>
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Subject: [multimob] [Mobopts] ID-update of draft-irtf-mobopts-mmcastv6-ps
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This is a multi-part message in MIME format.
--------------020204090602090701040701
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Dear all,

we just updated the problem statement ID:

   "Multicast Mobility in MIPv6: Problem Statement and Brief Survey"

Abstract

     This document discusses current mobility extensions to IP layer
    multicast. It describes problems arising from mobile group
    communication in general, the case of multicast listener mobility,
    and for mobile senders using Any Source Multicast and Source Specific
    Multicast. Characteristic aspects of multicast routing and deployment
    issues for fixed IPv6 networks are summarized. Specific properties
    and interplays with the underlying network access are surveyed with
    respect to the relevant technologies in the wireless domain. It
    outlines the principal approaches to multicast mobility, together
    with a comprehensive exploration of the mobile multicast problem and
    solution space. This document concludes with a conceptual roadmap for
    initial steps in standardization for use by future mobile multicast
    protocol designers.

It should be on the ID directory soon, but may be immediately downloaded 
from:

http://www.realmv6.org/papers/draft-irtf-mobopts-mmcastv6-ps-05.txt


This version includes all changes resulting of the RG-last-call reviews. 
We will briefly present the update tomorrow in the MobOpts session.

Attached please find a diff-output taken with the previous version 04.

Looking forward to meeting you tomorrow!


Best regards,

thomas


-- 

° Prof. Dr. Thomas C. Schmidt
° HAW Hamburg, Dept. Informatik
° University of Applied Sciences
° Berliner Tor 7, D 20099 Hamburg, Germany
° Fon: +49-40-42875-8452, Fax: -8409
° http://www.informatik.haw-hamburg.de/~schmidt

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Dear all,
  The minutes of the BoF are posted at:
http://www.ietf.org/proceedings/08nov/minutes/multimob.txt

Many thanks to Spencer for taking the minutes.

  As soon as the other minutes are available we will post them.

Regards,

Behcet



      
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<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:14pt"><div>Dear all,<br>&nbsp; The minutes of the BoF are posted at:<br>http://www.ietf.org/proceedings/08nov/minutes/multimob.txt<br><br>Many thanks to Spencer for taking the minutes.<br><br>&nbsp; As soon as the other minutes are available we will post them.<br><br>Regards,<br><br>Behcet<br></div></div><br>

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Date: Tue, 25 Nov 2008 09:52:53 -0800 (PST)
From: Behcet Sarikaya <behcetsarikaya@yahoo.com>
To: multimob@ietf.org, Suresh Krishnan <suresh.krishnan@ericsson.com>
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Subject: [multimob] Comments on draft-deng-multimob-pmip6-requirement-01.txt
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Hello all,
  At Multimob BoF last week it became clear that PMIPv6 requirements draft concentrated (probably) too much on the operating requirements and failed to state some simple traffic requirements.
  I remember these traffic requirements were already stated in the pre BoF meeting we had in Dublin.
  Any comments? Suresh?

Regards,

Behcet


      
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<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:14pt"><div>Hello all,<br>&nbsp; At Multimob BoF last week it became clear that PMIPv6 requirements draft concentrated (probably) too much on the operating requirements and failed to state some simple traffic requirements.<br>&nbsp; I remember these traffic requirements were already stated in the pre BoF meeting we had in Dublin.<br>&nbsp; Any comments? Suresh?<br><br>Regards,<br><br>Behcet<br></div><div style="font-family: times new roman,new york,times,serif; font-size: 14pt;"><br></div></div><br>

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Date: Mon, 01 Dec 2008 17:08:45 +0800
From: "John.zhao" <john.zhao@huawei.com>
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Hi,Behcet and all
 
    My two cents.
     As my understanding,we need optimize the traffics between MAG and LMA
and also include the tunnel between old MAG and new MAG. 
 
    Best Rgds
Thanks,

john.zhao



 
Hello all,
  At Multimob BoF last week it became clear that PMIPv6 requirements draft
concentrated (probably) too much on the operating requirements and failed to
state some simple traffic requirements.
  I remember these traffic requirements were already stated in the pre BoF
meeting we had in Dublin.
  Any comments? Suresh?

Regards,

Behcet





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<BODY>
<DIV><SPAN class=391055908-01122008><FONT face=&#23435;&#20307; color=#0000ff size=2>Hi,Behcet 
and all</FONT></SPAN></DIV>
<DIV><FONT face=&#23435;&#20307; color=#0000ff size=2></FONT>&nbsp;</DIV>
<DIV><SPAN class=391055908-01122008><FONT face=&#23435;&#20307; color=#0000ff 
size=2>&nbsp;&nbsp;&nbsp; My two cents.</FONT></SPAN></DIV>
<DIV><SPAN class=391055908-01122008>&nbsp;&nbsp;&nbsp;<FONT face=&#23435;&#20307; 
color=#0000ff size=2>&nbsp;&nbsp;As my understanding,we need optimize the 
traffics between MAG and LMA and also include the tunnel between old MAG and new 
MAG. </FONT></SPAN></DIV>
<DIV><SPAN class=391055908-01122008><FONT face=&#23435;&#20307; color=#0000ff 
size=2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=391055908-01122008>&nbsp;&nbsp;&nbsp; <FONT face=&#23435;&#20307; 
color=#0000ff size=2>Best Rgds</FONT></SPAN></DIV>
<DIV><SPAN class=391055908-01122008><FONT face=&#23435;&#20307; color=#0000ff 
size=2>Thanks,</FONT></SPAN></DIV>
<P></P>
<P></P><FONT face=&#21326;&#25991;&#32454;&#40657; color=black size=2>john.zhao<BR></FONT>
<BLOCKQUOTE 
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
  <DIV class=OutlookMessageHeader lang=zh-cn dir=ltr align=left><FONT face=&#23435;&#20307; 
  color=#0000ff size=2></FONT><BR>&nbsp;</DIV>
  <DIV></DIV>
  <DIV 
  style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif">
  <DIV>Hello all,<BR>&nbsp; At Multimob BoF last week it became clear that 
  PMIPv6 requirements draft concentrated (probably) too much on the operating 
  requirements and failed to state some simple traffic requirements.<BR>&nbsp; I 
  remember these traffic requirements were already stated in the pre BoF meeting 
  we had in Dublin.<BR>&nbsp; Any comments? 
  Suresh?<BR><BR>Regards,<BR><BR>Behcet<BR></DIV>
  <DIV 
  style="FONT-SIZE: 14pt; FONT-FAMILY: times new roman,new york,times,serif"><BR></DIV></DIV><BR></BLOCKQUOTE></BODY></HTML>

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