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Date: Fri, 7 Dec 2012 09:16:43 +0200
From: Salvatore Loreto <salvatore.loreto@ericsson.com>
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Subject: [sip-overload] remind: WGLC: draft-ietf-soc-load-control-event-package
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this is a remind

we are running a second WGLC for the load-control-event-package

please read the last version of the document and provide your view on it
(e.g. the draft is ready to move on, etc) or eventual feedback you have.

thanks
Salvatore

On 11/29/12 3:21 PM, Salvatore Loreto wrote:
> [as chair]
>
> due to the comments and feedback received during the first one [1],
> we have decided to run a second WGLC on the updated version of the draft:
> http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-05
>
> Today we are starting another two-weeks working group last call.
> This call ends on Thursday, December 13th.
>
> reviews and comments are really appreciate and requested from all the 
> participants cheers
>
>
> Volker and Salvatore
>
> [1]http://www.ietf.org/mail-archive/web/sip-overload/current/msg00799.html 
>
> _______________________________________________
> sip-overload mailing list
> sip-overload@ietf.org
> https://www.ietf.org/mailman/listinfo/sip-overload
>
>


From shida@ntt-at.com  Fri Dec  7 23:02:56 2012
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Subject: Re: [sip-overload] remind: WGLC: draft-ietf-soc-load-control-event-package
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 I think overall, the draft is looking good and will be ready=20
after adding some clarifying text and using consistency=20
terminology through out the draft.=20

 My comments below

** Technical ******

1. Section 5.8.
 - The second paragraph talks about enforcing rules  even=20
   when re-activation of subscription fails.. There is a chance=20
   that event was cancelled or no longer valid, do we still=20
   want to enforce this event then?? I guess it's better to be=20
   safe (be overreactive to prohibit the chance of overload)..=20

2. Section 5.8.=20
 - 5th paragraph talks about NOTIFY body containing no supporting=20
   bodies, but in section 5.5 is clearly mandating the inclusion of=20
   at least "application/load-control_xml" in NOTIFY . So there seems=20
   to be a bit of contradiction here..

3. Section 5.11
 - 2nd paragraph mentions the need to keep track of the version=20
  number, when subscriber has missed receiving a version. But=20
  why is this necessary when it is mentioned that subscriber asks=20
  for a full snapshot of the state (filters).. Also these statements=20
  seem like they should be written with the RFC2119 language.=20

4. Section 6.4=20
  - 2nd paragraph has normative statement about "reject", "drop"=20
  I am assuming that these are normative statements for the=20
  subscriber (servers that installs filter) to follow, but this is not=20=

  clarified.. I suggest you clarify who takes these actions a bit=20
  more explicitly..

** Editorial ******

1. Design Requirements=20
 - Bullet 5=20
   The target should include domain as destination domain is=20
    mentioned as a target in the section 4.1..

2. Terminology

 Terminology is still rather confusing are the followings terms=20
same or not? If they are same, I think same terminology should=20
be used.=20
=20
 I think terminology section may help with this, but never the=20
less I encourage the use of consistent terminology across the=20
document.=20

 Are the following terms all the same?=20
    load filter =3D=3D=3D load filtering rules, load filtering =
policy(ies), filter

 What is dynamically computed filter, are they different in the=20
sense that they are not installed via this spec? (section 4.3)
=20
  What is the difference between load control rules and load control=20
filter and load control policy?=20

 What is load control notification? Isn't this just a notification with=20=

filter as a body?

 What is a filtering server? I am assuming it is a server that=20
receives a notification (subscriber) with filter which installs filter=20=

and executes policy/rules inside the filter.. But this is not clearly=20
specified but rather left up to the reader..=20

3 Term control policy is not really explained but I am assuming=20
it is the control you achieve by entity receiving the filter, actually=20=

installing the filter. If this is the case, section 5.3 should simply=20
say=20

 "The effectiveness of SIP load filtering relies on the scope of=20
distribution and installation of the load filters in the network"=20

 Latter paragraph uses the control policies, as well and should=20
be replaced with load filtering.=20

 Other editorial nits, I will send to the authors directly.

 Regards
  Shida


On Dec 7, 2012, at 4:16 PM, Salvatore Loreto wrote:

> this is a remind
>=20
> we are running a second WGLC for the load-control-event-package
>=20
> please read the last version of the document and provide your view on =
it
> (e.g. the draft is ready to move on, etc) or eventual feedback you =
have.
>=20
> thanks
> Salvatore
>=20
> On 11/29/12 3:21 PM, Salvatore Loreto wrote:
>> [as chair]
>>=20
>> due to the comments and feedback received during the first one [1],
>> we have decided to run a second WGLC on the updated version of the =
draft:
>> =
http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-05
>>=20
>> Today we are starting another two-weeks working group last call.
>> This call ends on Thursday, December 13th.
>>=20
>> reviews and comments are really appreciate and requested from all the =
participants cheers
>>=20
>>=20
>> Volker and Salvatore
>>=20
>> =
[1]http://www.ietf.org/mail-archive/web/sip-overload/current/msg00799.html=
=20
>> _______________________________________________
>> sip-overload mailing list
>> sip-overload@ietf.org
>> https://www.ietf.org/mailman/listinfo/sip-overload
>>=20
>>=20
>=20
> _______________________________________________
> sip-overload mailing list
> sip-overload@ietf.org
> https://www.ietf.org/mailman/listinfo/sip-overload


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Subject: Re: [sip-overload] remind: WGLC: draft-ietf-soc-load-control-event-package
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--e89a8ff1c6385b0c3204d06e0bdf
Content-Type: text/plain; charset=UTF-8

Hi Shida, thank you very much for your comments! please see inline:

On Sat, Dec 8, 2012 at 2:02 AM, Shida Schubert <shida@ntt-at.com> wrote:

>  I think overall, the draft is looking good and will be ready
> after adding some clarifying text and using consistency
> terminology through out the draft.
>
>  My comments below
>
> ** Technical ******
>
> 1. Section 5.8.
>  - The second paragraph talks about enforcing rules  even
>    when re-activation of subscription fails.. There is a chance
>    that event was cancelled or no longer valid, do we still
>    want to enforce this event then?? I guess it's better to be
>    safe (be overreactive to prohibit the chance of overload)..
>
>
The current text says:

 Regardless of whether
   this re-activation of subscription is successful or not, when the
   validity time is reached, the subscriber SHOULD enforce the
   corresponding rules.


This is a conservative approach (even if the event has been cancelled, if
we do not receive a cancellation, the rule should still be enforced) seems
to be inline with your "safe/over-reactive" suggestion, or did I get it
wrong?


> 2. Section 5.8.
>  - 5th paragraph talks about NOTIFY body containing no supporting
>    bodies, but in section 5.5 is clearly mandating the inclusion of
>    at least "application/load-control_xml" in NOTIFY . So there seems
>    to be a bit of contradiction here..
>
>
In normal cases, the subscriber should not receive unknown bodies, so the
wording about no supporting bodies is more concerning error conditions. Do
you want to make it more explicit, saying e.g., "in unexpected cases, when
the subscriber receives unknown bodies ..." ?


> 3. Section 5.11
>  - 2nd paragraph mentions the need to keep track of the version
>   number, when subscriber has missed receiving a version. But
>   why is this necessary when it is mentioned that subscriber asks
>   for a full snapshot of the state (filters).. Also these statements
>   seem like they should be written with the RFC2119 language.
>
>
Using the version number, the subscriber knows whether it misses any delta
update or not. It needs to ask for a full snapshot of the state *only* when
it finds out that it had missed some previous delta update (so it could not
reconstruct the full current state solely based on the delta updates it
has). This paragraph is referencing RFC6665 (
http://tools.ietf.org/html/rfc6665#section-5.3.2), so I can add a "MUST" to
the "include a version number that ..." part.


> 4. Section 6.4
>   - 2nd paragraph has normative statement about "reject", "drop"
>   I am assuming that these are normative statements for the
>   subscriber (servers that installs filter) to follow, but this is not
>   clarified.. I suggest you clarify who takes these actions a bit
>   more explicitly..
>

Will do.



>
> ** Editorial ******
>
> 1. Design Requirements
>  - Bullet 5
>    The target should include domain as destination domain is
>     mentioned as a target in the section 4.1..
>
>
ok.


> 2. Terminology
>
>  Terminology is still rather confusing are the followings terms
> same or not? If they are same, I think same terminology should
> be used.
>
>  I think terminology section may help with this, but never the
> less I encourage the use of consistent terminology across the
> document.
>


>  Are the following terms all the same?
>     load filter === load filtering rules, load filtering policy(ies),
> filter
>

To me load filter / filter can have a physical sense while policy/rules
have a more abstract meaning. Rules/Policies are installed in filters. For
example, you can have a filter initiated with no rules, or configured with
rule set A, then changed to rule set B, it is the same filter but with
different rules.

Another interpretation may regard filter and filter rules the same thing,
in that a filter on the same entity but with different rules are viewed as
different filters, if that makes more sense to the group, I can consider
clarification on that too.


>
>  What is dynamically computed filter, are they different in the
> sense that they are not installed via this spec? (section 4.3)
>
>
Meaning the filtering contents are dynamically computed based on current
network status. It is more about the computation of the filter, not about
installation.


>   What is the difference between load control rules and load control
> filter and load control policy?
>
>
I did not find "load control filter" in this version,  (it should have been
removed after your earlier comments about terminology). Also S1 second last
paragraph has a sentence:

 since we are describing a specific control
   mechanism based on filtering, the term "load control" in this
   specification is used inter-changeably with the term "load filtering"
   unless associated with other explicit context.


I am also using "policies" and "rules" inter-changeably in the document,
but I can consolidate both into "rules" (or "policies") if that's clearer.


>  What is load control notification? Isn't this just a notification with
> filter as a body?
>
>
Yes it is. It occurred twice in the document so I can change them to just
NOTIFY request to match the rest of the document.



>  What is a filtering server? I am assuming it is a server that
> receives a notification (subscriber) with filter which installs filter
> and executes policy/rules inside the filter.. But this is not clearly
> specified but rather left up to the reader..
>
>
OK, I will make it explicit.


> 3 Term control policy is not really explained but I am assuming
> it is the control you achieve by entity receiving the filter, actually
> installing the filter. If this is the case, section 5.3 should simply
> say
>
>  "The effectiveness of SIP load filtering relies on the scope of
> distribution and installation of the load filters in the network"
>
>  Latter paragraph uses the control policies, as well and should
> be replaced with load filtering.
>
>
Sure, will correct.


>  Other editorial nits, I will send to the authors directly.
>
>
Got them, thanks!

Charles



>  Regards
>   Shida
>
>
> On Dec 7, 2012, at 4:16 PM, Salvatore Loreto wrote:
>
> > this is a remind
> >
> > we are running a second WGLC for the load-control-event-package
> >
> > please read the last version of the document and provide your view on it
> > (e.g. the draft is ready to move on, etc) or eventual feedback you have.
> >
> > thanks
> > Salvatore
> >
> > On 11/29/12 3:21 PM, Salvatore Loreto wrote:
> >> [as chair]
> >>
> >> due to the comments and feedback received during the first one [1],
> >> we have decided to run a second WGLC on the updated version of the
> draft:
> >> http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-05
> >>
> >> Today we are starting another two-weeks working group last call.
> >> This call ends on Thursday, December 13th.
> >>
> >> reviews and comments are really appreciate and requested from all the
> participants cheers
> >>
> >>
> >> Volker and Salvatore
> >>
> >> [1]
> http://www.ietf.org/mail-archive/web/sip-overload/current/msg00799.html
> >> _______________________________________________
> >> sip-overload mailing list
> >> sip-overload@ietf.org
> >> https://www.ietf.org/mailman/listinfo/sip-overload
> >>
> >>
> >
> > _______________________________________________
> > sip-overload mailing list
> > sip-overload@ietf.org
> > https://www.ietf.org/mailman/listinfo/sip-overload
>
> _______________________________________________
> sip-overload mailing list
> sip-overload@ietf.org
> https://www.ietf.org/mailman/listinfo/sip-overload
>

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Hi Shida, thank you very much for your comments! please see inline:<div><br=
></div><div><div class=3D"gmail_quote">On Sat, Dec 8, 2012 at 2:02 AM, Shid=
a Schubert <span dir=3D"ltr">&lt;<a href=3D"mailto:shida@ntt-at.com" target=
=3D"_blank">shida@ntt-at.com</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">=C2=A0I think overall, the draft is looking =
good and will be ready<br>
after adding some clarifying text and using consistency<br>
terminology through out the draft.<br>
<br>
=C2=A0My comments below<br>
<br>
** Technical ******<br>
<br>
1. Section 5.8.<br>
=C2=A0- The second paragraph talks about enforcing rules =C2=A0even<br>
=C2=A0 =C2=A0when re-activation of subscription fails.. There is a chance<b=
r>
=C2=A0 =C2=A0that event was cancelled or no longer valid, do we still<br>
=C2=A0 =C2=A0want to enforce this event then?? I guess it&#39;s better to b=
e<br>
=C2=A0 =C2=A0safe (be overreactive to prohibit the chance of overload)..<br=
>
<br></blockquote><div><br></div><div>The current text says:=C2=A0</div><div=
><br></div><div><pre class=3D"newpage" style=3D"font-size:1em;margin-top:0p=
x;margin-bottom:0px"> Regardless of whether
   this re-activation of subscription is successful or not, when the
   validity time is reached, the subscriber SHOULD enforce the
   corresponding rules.</pre></div><div><br></div><div>This is a conservati=
ve approach (even if the event has been cancelled, if we do not receive a c=
ancellation, the rule should still be enforced) seems to be inline with you=
r &quot;safe/over-reactive&quot; suggestion, or did I get it wrong?=C2=A0</=
div>

<div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8=
ex;border-left:1px #ccc solid;padding-left:1ex">
2. Section 5.8.<br>
=C2=A0- 5th paragraph talks about NOTIFY body containing no supporting<br>
=C2=A0 =C2=A0bodies, but in section 5.5 is clearly mandating the inclusion =
of<br>
=C2=A0 =C2=A0at least &quot;application/load-control_xml&quot; in NOTIFY . =
So there seems<br>
=C2=A0 =C2=A0to be a bit of contradiction here..<br>
<br></blockquote><div><br></div><div>In normal cases, the subscriber should=
 not receive unknown bodies, so the wording about no supporting bodies is m=
ore concerning error conditions. Do you want to make it more explicit, sayi=
ng e.g., &quot;in unexpected cases, when the subscriber receives unknown bo=
dies ...&quot; ?</div>

<div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8=
ex;border-left:1px #ccc solid;padding-left:1ex">
3. Section 5.11<br>
=C2=A0- 2nd paragraph mentions the need to keep track of the version<br>
=C2=A0 number, when subscriber has missed receiving a version. But<br>
=C2=A0 why is this necessary when it is mentioned that subscriber asks<br>
=C2=A0 for a full snapshot of the state (filters).. Also these statements<b=
r>
=C2=A0 seem like they should be written with the RFC2119 language.<br>
<br></blockquote><div><br></div><div>Using the version number, the subscrib=
er knows whether it misses any delta update or not. It needs to ask for a f=
ull snapshot of the state *only* when it finds out that it had missed some =
previous delta update (so it could not reconstruct the full current state s=
olely based on the delta updates it has). This paragraph is referencing RFC=
6665 (<a href=3D"http://tools.ietf.org/html/rfc6665#section-5.3.2">http://t=
ools.ietf.org/html/rfc6665#section-5.3.2</a>), so I can add a &quot;MUST&qu=
ot; to the &quot;include a version number that ...&quot; part.=C2=A0</div>

<div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8=
ex;border-left:1px #ccc solid;padding-left:1ex">
4. Section 6.4<br>
=C2=A0 - 2nd paragraph has normative statement about &quot;reject&quot;, &q=
uot;drop&quot;<br>
=C2=A0 I am assuming that these are normative statements for the<br>
=C2=A0 subscriber (servers that installs filter) to follow, but this is not=
<br>
=C2=A0 clarified.. I suggest you clarify who takes these actions a bit<br>
=C2=A0 more explicitly..<br></blockquote><div><br></div><div>Will do.</div>=
<div><br></div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"=
margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
** Editorial ******<br>
<br>
1. Design Requirements<br>
=C2=A0- Bullet 5<br>
=C2=A0 =C2=A0The target should include domain as destination domain is<br>
=C2=A0 =C2=A0 mentioned as a target in the section 4.1..<br>
<br></blockquote><div><br></div><div>ok.</div><div>=C2=A0</div><blockquote =
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex">
2. Terminology<br>
<br>
=C2=A0Terminology is still rather confusing are the followings terms<br>
same or not? If they are same, I think same terminology should<br>
be used.<br>
<br>
=C2=A0I think terminology section may help with this, but never the<br>
less I encourage the use of consistent terminology across the<br>
document.<br></blockquote><div>=C2=A0</div><blockquote class=3D"gmail_quote=
" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
=C2=A0Are the following terms all the same?<br>
=C2=A0 =C2=A0 load filter =3D=3D=3D load filtering rules, load filtering po=
licy(ies), filter<br></blockquote><div><br></div><div>To me load filter / f=
ilter can have a physical sense while policy/rules have a more abstract mea=
ning. Rules/Policies are installed in filters. For example, you can have a =
filter initiated with no rules, or configured with rule set A, then changed=
 to rule set B, it is the same filter but with different rules.=C2=A0</div>

<div><br></div><div>Another interpretation may regard filter and filter rul=
es the same thing, in that a filter on the same entity but with different r=
ules are viewed as different filters, if that makes more sense to the group=
, I can consider clarification on that too.=C2=A0</div>

<div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8=
ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
=C2=A0What is dynamically computed filter, are they different in the<br>
sense that they are not installed via this spec? (section 4.3)<br>
<br></blockquote><div><br></div><div>Meaning the filtering contents are dyn=
amically computed based on current network status. It is more about the com=
putation of the filter, not about installation.=C2=A0</div><div>=C2=A0</div=
><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex">


=C2=A0 What is the difference between load control rules and load control<b=
r>
filter and load control policy?<br>
<br></blockquote><div><br></div><div>I did not find &quot;load control filt=
er&quot; in this version, =C2=A0(it should have been removed after your ear=
lier comments about terminology). Also=C2=A0S1 second last paragraph has a =
sentence:=C2=A0</div>

<div><br></div><div><pre class=3D"newpage" style=3D"font-size:1em;margin-to=
p:0px;margin-bottom:0px"> since we are describing a specific control
   mechanism based on filtering, the term &quot;load control&quot; in this
   specification is used inter-changeably with the term &quot;load filterin=
g&quot;
   unless associated with other explicit context.</pre></div><div><br></div=
><div><div>I am also using &quot;policies&quot; and &quot;rules&quot; inter=
-changeably in the document, but I can consolidate both into &quot;rules&qu=
ot; (or &quot;policies&quot;) if that&#39;s clearer.=C2=A0</div>

</div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 =
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
=C2=A0What is load control notification? Isn&#39;t this just a notification=
 with<br>
filter as a body?<br>
<br></blockquote><div><br></div><div>Yes it is. It occurred twice in the do=
cument so I can change them to just NOTIFY request to match the rest of the=
 document.</div><div><br></div><div>=C2=A0</div><blockquote class=3D"gmail_=
quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1=
ex">


=C2=A0What is a filtering server? I am assuming it is a server that<br>
receives a notification (subscriber) with filter which installs filter<br>
and executes policy/rules inside the filter.. But this is not clearly<br>
specified but rather left up to the reader..<br>
<br></blockquote><div><br></div><div>OK, I will make it explicit.=C2=A0</di=
v><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 =
.8ex;border-left:1px #ccc solid;padding-left:1ex">
3 Term control policy is not really explained but I am assuming<br>
it is the control you achieve by entity receiving the filter, actually<br>
installing the filter. If this is the case, section 5.3 should simply<br>
say<br>
<br>
=C2=A0&quot;The effectiveness of SIP load filtering relies on the scope of<=
br>
distribution and installation of the load filters in the network&quot;<br>
<br>
=C2=A0Latter paragraph uses the control policies, as well and should<br>
be replaced with load filtering.<br>
<br></blockquote><div><br></div><div>Sure, will correct.=C2=A0</div><div>=
=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bo=
rder-left:1px #ccc solid;padding-left:1ex">
=C2=A0Other editorial nits, I will send to the authors directly.<br>
<br></blockquote><div><br></div><div>Got them, thanks!</div><div><br></div>=
<div>Charles</div><div><br></div><div>=C2=A0</div><blockquote class=3D"gmai=
l_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left=
:1ex">


=C2=A0Regards<br>
<span class=3D"HOEnZb"><font color=3D"#888888">=C2=A0 Shida<br>
</font></span><div class=3D"HOEnZb"><div class=3D"h5"><br>
<br>
On Dec 7, 2012, at 4:16 PM, Salvatore Loreto wrote:<br>
<br>
&gt; this is a remind<br>
&gt;<br>
&gt; we are running a second WGLC for the load-control-event-package<br>
&gt;<br>
&gt; please read the last version of the document and provide your view on =
it<br>
&gt; (e.g. the draft is ready to move on, etc) or eventual feedback you hav=
e.<br>
&gt;<br>
&gt; thanks<br>
&gt; Salvatore<br>
&gt;<br>
&gt; On 11/29/12 3:21 PM, Salvatore Loreto wrote:<br>
&gt;&gt; [as chair]<br>
&gt;&gt;<br>
&gt;&gt; due to the comments and feedback received during the first one [1]=
,<br>
&gt;&gt; we have decided to run a second WGLC on the updated version of the=
 draft:<br>
&gt;&gt; <a href=3D"http://tools.ietf.org/html/draft-ietf-soc-load-control-=
event-package-05" target=3D"_blank">http://tools.ietf.org/html/draft-ietf-s=
oc-load-control-event-package-05</a><br>
&gt;&gt;<br>
&gt;&gt; Today we are starting another two-weeks working group last call.<b=
r>
&gt;&gt; This call ends on Thursday, December 13th.<br>
&gt;&gt;<br>
&gt;&gt; reviews and comments are really appreciate and requested from all =
the participants cheers<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; Volker and Salvatore<br>
&gt;&gt;<br>
&gt;&gt; [1]<a href=3D"http://www.ietf.org/mail-archive/web/sip-overload/cu=
rrent/msg00799.html" target=3D"_blank">http://www.ietf.org/mail-archive/web=
/sip-overload/current/msg00799.html</a><br>
&gt;&gt; _______________________________________________<br>
&gt;&gt; sip-overload mailing list<br>
&gt;&gt; <a href=3D"mailto:sip-overload@ietf.org">sip-overload@ietf.org</a>=
<br>
&gt;&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/sip-overload" tar=
get=3D"_blank">https://www.ietf.org/mailman/listinfo/sip-overload</a><br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;<br>
&gt; _______________________________________________<br>
&gt; sip-overload mailing list<br>
&gt; <a href=3D"mailto:sip-overload@ietf.org">sip-overload@ietf.org</a><br>
&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/sip-overload" target=
=3D"_blank">https://www.ietf.org/mailman/listinfo/sip-overload</a><br>
<br>
_______________________________________________<br>
sip-overload mailing list<br>
<a href=3D"mailto:sip-overload@ietf.org">sip-overload@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/sip-overload" target=3D"_b=
lank">https://www.ietf.org/mailman/listinfo/sip-overload</a><br>
</div></div></blockquote></div><br></div>

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Hi Charles;

 My comments inline..

On Dec 10, 2012, at 1:35 AM, Charles Shen wrote:

> Hi Shida, thank you very much for your comments! please see inline:
>=20
> On Sat, Dec 8, 2012 at 2:02 AM, Shida Schubert <shida@ntt-at.com> =
wrote:
>  I think overall, the draft is looking good and will be ready
> after adding some clarifying text and using consistency
> terminology through out the draft.
>=20
>  My comments below
>=20
> ** Technical ******
>=20
> 1. Section 5.8.
>  - The second paragraph talks about enforcing rules  even
>    when re-activation of subscription fails.. There is a chance
>    that event was cancelled or no longer valid, do we still
>    want to enforce this event then?? I guess it's better to be
>    safe (be overreactive to prohibit the chance of overload)..
>=20
>=20
> The current text says:=20
>=20
>  Regardless of whether
>    this re-activation of subscription is successful or not, when the
>    validity time is reached, the subscriber SHOULD enforce the
>    corresponding rules.
>=20
> This is a conservative approach (even if the event has been cancelled, =
if we do not receive a cancellation, the rule should still be enforced) =
seems to be inline with your "safe/over-reactive" suggestion, or did I =
get it wrong?=20

 Sounds good. Just wanted to confirm.

> =20
> 2. Section 5.8.
>  - 5th paragraph talks about NOTIFY body containing no supporting
>    bodies, but in section 5.5 is clearly mandating the inclusion of
>    at least "application/load-control_xml" in NOTIFY . So there seems
>    to be a bit of contradiction here..
>=20
>=20
> In normal cases, the subscriber should not receive unknown bodies, so =
the wording about no supporting bodies is more concerning error =
conditions. Do you want to make it more explicit, saying e.g., "in =
unexpected cases, when the subscriber receives unknown bodies ..." ?

 May be good to be more explicit but current text is fine as is, as it =
really tries to prevent things from breaking..

> =20
> 3. Section 5.11
>  - 2nd paragraph mentions the need to keep track of the version
>   number, when subscriber has missed receiving a version. But
>   why is this necessary when it is mentioned that subscriber asks
>   for a full snapshot of the state (filters).. Also these statements
>   seem like they should be written with the RFC2119 language.
>=20
>=20
> Using the version number, the subscriber knows whether it misses any =
delta update or not. It needs to ask for a full snapshot of the state =
*only* when it finds out that it had missed some previous delta update =
(so it could not reconstruct the full current state solely based on the =
delta updates it has). This paragraph is referencing RFC6665 =
(http://tools.ietf.org/html/rfc6665#section-5.3.2), so I can add a =
"MUST" to the "include a version number that ..." part.=20
> =20

 I guess it was rather confusing because it read like you only keep=20
track of versioning number in case you miss a version.. I think=20
what you mentioned above somehow SHOULD be mentioned.=20

 Something along the line of=20

 1. MUST keep track of versioning number.
 2. If there is a miss then ask for full snapshot.

> 4. Section 6.4
>   - 2nd paragraph has normative statement about "reject", "drop"
>   I am assuming that these are normative statements for the
>   subscriber (servers that installs filter) to follow, but this is not
>   clarified.. I suggest you clarify who takes these actions a bit
>   more explicitly..
>=20
> Will do.
>=20

 OK.

> =20
>=20
> ** Editorial ******
>=20
> 1. Design Requirements
>  - Bullet 5
>    The target should include domain as destination domain is
>     mentioned as a target in the section 4.1..
>=20
>=20
> ok.
> =20
> 2. Terminology
>=20
>  Terminology is still rather confusing are the followings terms
> same or not? If they are same, I think same terminology should
> be used.
>=20
>  I think terminology section may help with this, but never the
> less I encourage the use of consistent terminology across the
> document.
> =20
>  Are the following terms all the same?
>     load filter =3D=3D=3D load filtering rules, load filtering =
policy(ies), filter
>=20
> To me load filter / filter can have a physical sense while =
policy/rules have a more abstract meaning. Rules/Policies are installed =
in filters. For example, you can have a filter initiated with no rules, =
or configured with rule set A, then changed to rule set B, it is the =
same filter but with different rules.=20
>=20
> Another interpretation may regard filter and filter rules the same =
thing, in that a filter on the same entity but with different rules are =
viewed as different filters, if that makes more sense to the group, I =
can consider clarification on that too.=20

 Okay, so I think it would be good to add a terminology section to=20
lay out your interpretation of each of the terminology used.=20
=20
 Reader will not know what you mean by each of the terminology=20
and it will be left to the read as to how one interprets each term..

 Your response looks good, I highly suggests that you add a=20
terminology section..=20

 Thanks
  Shida

> =20
>=20
>  What is dynamically computed filter, are they different in the
> sense that they are not installed via this spec? (section 4.3)
>=20
>=20
> Meaning the filtering contents are dynamically computed based on =
current network status. It is more about the computation of the filter, =
not about installation.=20
> =20
>   What is the difference between load control rules and load control
> filter and load control policy?
>=20
>=20
> I did not find "load control filter" in this version,  (it should have =
been removed after your earlier comments about terminology). Also S1 =
second last paragraph has a sentence:=20
>=20
>  since we are describing a specific control
>    mechanism based on filtering, the term "load control" in this
>    specification is used inter-changeably with the term "load =
filtering"
>    unless associated with other explicit context.
>=20
> I am also using "policies" and "rules" inter-changeably in the =
document, but I can consolidate both into "rules" (or "policies") if =
that's clearer.=20
> =20
>  What is load control notification? Isn't this just a notification =
with
> filter as a body?
>=20
>=20
> Yes it is. It occurred twice in the document so I can change them to =
just NOTIFY request to match the rest of the document.
>=20
> =20
>  What is a filtering server? I am assuming it is a server that
> receives a notification (subscriber) with filter which installs filter
> and executes policy/rules inside the filter.. But this is not clearly
> specified but rather left up to the reader..
>=20
>=20
> OK, I will make it explicit.=20
> =20
> 3 Term control policy is not really explained but I am assuming
> it is the control you achieve by entity receiving the filter, actually
> installing the filter. If this is the case, section 5.3 should simply
> say
>=20
>  "The effectiveness of SIP load filtering relies on the scope of
> distribution and installation of the load filters in the network"
>=20
>  Latter paragraph uses the control policies, as well and should
> be replaced with load filtering.
>=20
>=20
> Sure, will correct.=20
> =20
>  Other editorial nits, I will send to the authors directly.
>=20
>=20
> Got them, thanks!
>=20
> Charles
>=20
> =20
>  Regards
>   Shida
>=20
>=20
> On Dec 7, 2012, at 4:16 PM, Salvatore Loreto wrote:
>=20
> > this is a remind
> >
> > we are running a second WGLC for the load-control-event-package
> >
> > please read the last version of the document and provide your view =
on it
> > (e.g. the draft is ready to move on, etc) or eventual feedback you =
have.
> >
> > thanks
> > Salvatore
> >
> > On 11/29/12 3:21 PM, Salvatore Loreto wrote:
> >> [as chair]
> >>
> >> due to the comments and feedback received during the first one [1],
> >> we have decided to run a second WGLC on the updated version of the =
draft:
> >> =
http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-05
> >>
> >> Today we are starting another two-weeks working group last call.
> >> This call ends on Thursday, December 13th.
> >>
> >> reviews and comments are really appreciate and requested from all =
the participants cheers
> >>
> >>
> >> Volker and Salvatore
> >>
> >> =
[1]http://www.ietf.org/mail-archive/web/sip-overload/current/msg00799.html=

> >> _______________________________________________
> >> sip-overload mailing list
> >> sip-overload@ietf.org
> >> https://www.ietf.org/mailman/listinfo/sip-overload
> >>
> >>
> >
> > _______________________________________________
> > sip-overload mailing list
> > sip-overload@ietf.org
> > https://www.ietf.org/mailman/listinfo/sip-overload
>=20
> _______________________________________________
> sip-overload mailing list
> sip-overload@ietf.org
> https://www.ietf.org/mailman/listinfo/sip-overload
>=20


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<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><div>Hi Charles;</div><div><br></div><div>&nbsp;My comments inline..</div><br><div><div>On Dec 10, 2012, at 1:35 AM, Charles Shen wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi Shida, thank you very much for your comments! please see inline:<div><br></div><div><div class="gmail_quote">On Sat, Dec 8, 2012 at 2:02 AM, Shida Schubert <span dir="ltr">&lt;<a href="mailto:shida@ntt-at.com" target="_blank">shida@ntt-at.com</a>&gt;</span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">&nbsp;I think overall, the draft is looking good and will be ready<br>
after adding some clarifying text and using consistency<br>
terminology through out the draft.<br>
<br>
&nbsp;My comments below<br>
<br>
** Technical ******<br>
<br>
1. Section 5.8.<br>
&nbsp;- The second paragraph talks about enforcing rules &nbsp;even<br>
&nbsp; &nbsp;when re-activation of subscription fails.. There is a chance<br>
&nbsp; &nbsp;that event was cancelled or no longer valid, do we still<br>
&nbsp; &nbsp;want to enforce this event then?? I guess it's better to be<br>
&nbsp; &nbsp;safe (be overreactive to prohibit the chance of overload)..<br>
<br></blockquote><div><br></div><div>The current text says:&nbsp;</div><div><br></div><div><pre class="newpage" style="font-size:1em;margin-top:0px;margin-bottom:0px"> Regardless of whether
   this re-activation of subscription is successful or not, when the
   validity time is reached, the subscriber SHOULD enforce the
   corresponding rules.</pre></div><div><br></div><div>This is a conservative approach (even if the event has been cancelled, if we do not receive a cancellation, the rule should still be enforced) seems to be inline with your "safe/over-reactive" suggestion, or did I get it wrong?&nbsp;</div></div></div></blockquote><div><br></div><div>&nbsp;Sounds good. Just wanted to confirm.</div><br><blockquote type="cite"><div><div class="gmail_quote">

<div>&nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
2. Section 5.8.<br>
&nbsp;- 5th paragraph talks about NOTIFY body containing no supporting<br>
&nbsp; &nbsp;bodies, but in section 5.5 is clearly mandating the inclusion of<br>
&nbsp; &nbsp;at least "application/load-control_xml" in NOTIFY . So there seems<br>
&nbsp; &nbsp;to be a bit of contradiction here..<br>
<br></blockquote><div><br></div><div>In normal cases, the subscriber should not receive unknown bodies, so the wording about no supporting bodies is more concerning error conditions. Do you want to make it more explicit, saying e.g., "in unexpected cases, when the subscriber receives unknown bodies ..." ?</div></div></div></blockquote><div><br></div><div>&nbsp;May be good to be more explicit but current text is fine as is, as it really tries to prevent things from breaking..</div><br><blockquote type="cite"><div><div class="gmail_quote">

<div>&nbsp;</div><blockquote class="gmail_quote" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex; position: static; z-index: auto; ">
3. Section 5.11<br>
&nbsp;- 2nd paragraph mentions the need to keep track of the version<br>
&nbsp; number, when subscriber has missed receiving a version. But<br>
&nbsp; why is this necessary when it is mentioned that subscriber asks<br>
&nbsp; for a full snapshot of the state (filters).. Also these statements<br>
&nbsp; seem like they should be written with the RFC2119 language.<br>
<br></blockquote><div><br></div><div>Using the version number, the subscriber knows whether it misses any delta update or not. It needs to ask for a full snapshot of the state *only* when it finds out that it had missed some previous delta update (so it could not reconstruct the full current state solely based on the delta updates it has). This paragraph is referencing RFC6665 (<a href="http://tools.ietf.org/html/rfc6665#section-5.3.2">http://tools.ietf.org/html/rfc6665#section-5.3.2</a>), so I can add a "MUST" to the "include a version number that ..." part.&nbsp;</div>

<div>&nbsp;</div></div></div></blockquote><div><br></div><div>&nbsp;I guess it was rather confusing because it read like you only keep&nbsp;</div><div>track of versioning number in case you miss a version.. I think&nbsp;</div><div>what you mentioned above somehow SHOULD be mentioned.&nbsp;</div><div><br></div><div>&nbsp;Something along the line of&nbsp;</div><div><br></div><div>&nbsp;1. MUST keep track of versioning number.</div><div>&nbsp;2. If there is a miss then ask for full snapshot.</div><br><blockquote type="cite"><div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex; position: static; z-index: auto; ">
4. Section 6.4<br>
&nbsp; - 2nd paragraph has normative statement about "reject", "drop"<br>
&nbsp; I am assuming that these are normative statements for the<br>
&nbsp; subscriber (servers that installs filter) to follow, but this is not<br>
&nbsp; clarified.. I suggest you clarify who takes these actions a bit<br>
&nbsp; more explicitly..<br></blockquote><div><br></div><div>Will do.</div><div><br></div></div></div></blockquote><div><br></div>&nbsp;OK.<br><br><blockquote type="cite"><div><div class="gmail_quote"><div>&nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
** Editorial ******<br>
<br>
1. Design Requirements<br>
&nbsp;- Bullet 5<br>
&nbsp; &nbsp;The target should include domain as destination domain is<br>
&nbsp; &nbsp; mentioned as a target in the section 4.1..<br>
<br></blockquote><div><br></div><div>ok.</div><div>&nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
2. Terminology<br>
<br>
&nbsp;Terminology is still rather confusing are the followings terms<br>
same or not? If they are same, I think same terminology should<br>
be used.<br>
<br>
&nbsp;I think terminology section may help with this, but never the<br>
less I encourage the use of consistent terminology across the<br>
document.<br></blockquote><div>&nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
&nbsp;Are the following terms all the same?<br>
&nbsp; &nbsp; load filter === load filtering rules, load filtering policy(ies), filter<br></blockquote><div><br></div><div>To me load filter / filter can have a physical sense while policy/rules have a more abstract meaning. Rules/Policies are installed in filters. For example, you can have a filter initiated with no rules, or configured with rule set A, then changed to rule set B, it is the same filter but with different rules.&nbsp;</div>

<div><br></div><div>Another interpretation may regard filter and filter rules the same thing, in that a filter on the same entity but with different rules are viewed as different filters, if that makes more sense to the group, I can consider clarification on that too.&nbsp;</div></div></div></blockquote><div><br></div><div>&nbsp;Okay, so I think it would be good to add a terminology section to&nbsp;</div><div>lay out your interpretation of each of the terminology used.&nbsp;</div><div>&nbsp;</div><div>&nbsp;Reader will not know what you mean by each of the terminology&nbsp;</div><div>and it will be left to the read as to how one interprets each term..</div><div><br></div><div>&nbsp;Your response looks good, I highly suggests that you add a&nbsp;</div><div>terminology section..&nbsp;</div><div><br></div><div>&nbsp;Thanks</div><div>&nbsp; Shida</div><br><blockquote type="cite"><div><div class="gmail_quote">

<div>&nbsp;</div><blockquote class="gmail_quote" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex; position: static; z-index: auto; ">
<br>
&nbsp;What is dynamically computed filter, are they different in the<br>
sense that they are not installed via this spec? (section 4.3)<br>
<br></blockquote><div><br></div><div>Meaning the filtering contents are dynamically computed based on current network status. It is more about the computation of the filter, not about installation.&nbsp;</div><div>&nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">


&nbsp; What is the difference between load control rules and load control<br>
filter and load control policy?<br>
<br></blockquote><div><br></div><div>I did not find "load control filter" in this version, &nbsp;(it should have been removed after your earlier comments about terminology). Also&nbsp;S1 second last paragraph has a sentence:&nbsp;</div>

<div><br></div><div><pre class="newpage" style="font-size:1em;margin-top:0px;margin-bottom:0px"> since we are describing a specific control
   mechanism based on filtering, the term "load control" in this
   specification is used inter-changeably with the term "load filtering"
   unless associated with other explicit context.</pre></div><div><br></div><div><div>I am also using "policies" and "rules" inter-changeably in the document, but I can consolidate both into "rules" (or "policies") if that's clearer.&nbsp;</div>

</div><div>&nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
&nbsp;What is load control notification? Isn't this just a notification with<br>
filter as a body?<br>
<br></blockquote><div><br></div><div>Yes it is. It occurred twice in the document so I can change them to just NOTIFY request to match the rest of the document.</div><div><br></div><div>&nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">


&nbsp;What is a filtering server? I am assuming it is a server that<br>
receives a notification (subscriber) with filter which installs filter<br>
and executes policy/rules inside the filter.. But this is not clearly<br>
specified but rather left up to the reader..<br>
<br></blockquote><div><br></div><div>OK, I will make it explicit.&nbsp;</div><div>&nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
3 Term control policy is not really explained but I am assuming<br>
it is the control you achieve by entity receiving the filter, actually<br>
installing the filter. If this is the case, section 5.3 should simply<br>
say<br>
<br>
&nbsp;"The effectiveness of SIP load filtering relies on the scope of<br>
distribution and installation of the load filters in the network"<br>
<br>
&nbsp;Latter paragraph uses the control policies, as well and should<br>
be replaced with load filtering.<br>
<br></blockquote><div><br></div><div>Sure, will correct.&nbsp;</div><div>&nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
&nbsp;Other editorial nits, I will send to the authors directly.<br>
<br></blockquote><div><br></div><div>Got them, thanks!</div><div><br></div><div>Charles</div><div><br></div><div>&nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">


&nbsp;Regards<br>
<span class="HOEnZb"><font color="#888888">&nbsp; Shida<br>
</font></span><div class="HOEnZb"><div class="h5"><br>
<br>
On Dec 7, 2012, at 4:16 PM, Salvatore Loreto wrote:<br>
<br>
&gt; this is a remind<br>
&gt;<br>
&gt; we are running a second WGLC for the load-control-event-package<br>
&gt;<br>
&gt; please read the last version of the document and provide your view on it<br>
&gt; (e.g. the draft is ready to move on, etc) or eventual feedback you have.<br>
&gt;<br>
&gt; thanks<br>
&gt; Salvatore<br>
&gt;<br>
&gt; On 11/29/12 3:21 PM, Salvatore Loreto wrote:<br>
&gt;&gt; [as chair]<br>
&gt;&gt;<br>
&gt;&gt; due to the comments and feedback received during the first one [1],<br>
&gt;&gt; we have decided to run a second WGLC on the updated version of the draft:<br>
&gt;&gt; <a href="http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-05" target="_blank">http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-05</a><br>
&gt;&gt;<br>
&gt;&gt; Today we are starting another two-weeks working group last call.<br>
&gt;&gt; This call ends on Thursday, December 13th.<br>
&gt;&gt;<br>
&gt;&gt; reviews and comments are really appreciate and requested from all the participants cheers<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; Volker and Salvatore<br>
&gt;&gt;<br>
&gt;&gt; [1]<a href="http://www.ietf.org/mail-archive/web/sip-overload/current/msg00799.html" target="_blank">http://www.ietf.org/mail-archive/web/sip-overload/current/msg00799.html</a><br>
&gt;&gt; _______________________________________________<br>
&gt;&gt; sip-overload mailing list<br>
&gt;&gt; <a href="mailto:sip-overload@ietf.org">sip-overload@ietf.org</a><br>
&gt;&gt; <a href="https://www.ietf.org/mailman/listinfo/sip-overload" target="_blank">https://www.ietf.org/mailman/listinfo/sip-overload</a><br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;<br>
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Hi Shida, in that case, I will try to add a terminology section. Thanks!

Charles

On Sun, Dec 9, 2012 at 12:17 PM, Shida Schubert <shida@ntt-at.com> wrote:

>
> Hi Charles;
>
>  My comments inline..
>
> On Dec 10, 2012, at 1:35 AM, Charles Shen wrote:
>
> Hi Shida, thank you very much for your comments! please see inline:
>
> On Sat, Dec 8, 2012 at 2:02 AM, Shida Schubert <shida@ntt-at.com> wrote:
>
>>  I think overall, the draft is looking good and will be ready
>> after adding some clarifying text and using consistency
>> terminology through out the draft.
>>
>>  My comments below
>>
>> ** Technical ******
>>
>> 1. Section 5.8.
>>  - The second paragraph talks about enforcing rules  even
>>    when re-activation of subscription fails.. There is a chance
>>    that event was cancelled or no longer valid, do we still
>>    want to enforce this event then?? I guess it's better to be
>>    safe (be overreactive to prohibit the chance of overload)..
>>
>>
> The current text says:
>
>  Regardless of whether
>    this re-activation of subscription is successful or not, when the
>    validity time is reached, the subscriber SHOULD enforce the
>    corresponding rules.
>
>
> This is a conservative approach (even if the event has been cancelled, if
> we do not receive a cancellation, the rule should still be enforced) seems
> to be inline with your "safe/over-reactive" suggestion, or did I get it
> wrong?
>
>
>  Sounds good. Just wanted to confirm.
>
>
>
>> 2. Section 5.8.
>>  - 5th paragraph talks about NOTIFY body containing no supporting
>>    bodies, but in section 5.5 is clearly mandating the inclusion of
>>    at least "application/load-control_xml" in NOTIFY . So there seems
>>    to be a bit of contradiction here..
>>
>>
> In normal cases, the subscriber should not receive unknown bodies, so the
> wording about no supporting bodies is more concerning error conditions. Do
> you want to make it more explicit, saying e.g., "in unexpected cases, when
> the subscriber receives unknown bodies ..." ?
>
>
>  May be good to be more explicit but current text is fine as is, as it
> really tries to prevent things from breaking..
>
>
>
>> 3. Section 5.11
>>  - 2nd paragraph mentions the need to keep track of the version
>>   number, when subscriber has missed receiving a version. But
>>   why is this necessary when it is mentioned that subscriber asks
>>   for a full snapshot of the state (filters).. Also these statements
>>   seem like they should be written with the RFC2119 language.
>>
>>
> Using the version number, the subscriber knows whether it misses any delta
> update or not. It needs to ask for a full snapshot of the state *only* when
> it finds out that it had missed some previous delta update (so it could not
> reconstruct the full current state solely based on the delta updates it
> has). This paragraph is referencing RFC6665 (
> http://tools.ietf.org/html/rfc6665#section-5.3.2), so I can add a "MUST"
> to the "include a version number that ..." part.
>
>
>
>  I guess it was rather confusing because it read like you only keep
> track of versioning number in case you miss a version.. I think
> what you mentioned above somehow SHOULD be mentioned.
>
>  Something along the line of
>
>  1. MUST keep track of versioning number.
>  2. If there is a miss then ask for full snapshot.
>
>  4. Section 6.4
>>   - 2nd paragraph has normative statement about "reject", "drop"
>>   I am assuming that these are normative statements for the
>>   subscriber (servers that installs filter) to follow, but this is not
>>   clarified.. I suggest you clarify who takes these actions a bit
>>   more explicitly..
>>
>
> Will do.
>
>
>  OK.
>
>
>
>
>>
>> ** Editorial ******
>>
>> 1. Design Requirements
>>  - Bullet 5
>>    The target should include domain as destination domain is
>>     mentioned as a target in the section 4.1..
>>
>>
> ok.
>
>
>> 2. Terminology
>>
>>  Terminology is still rather confusing are the followings terms
>> same or not? If they are same, I think same terminology should
>> be used.
>>
>>  I think terminology section may help with this, but never the
>> less I encourage the use of consistent terminology across the
>> document.
>>
>
>
>>  Are the following terms all the same?
>>     load filter === load filtering rules, load filtering policy(ies),
>> filter
>>
>
> To me load filter / filter can have a physical sense while policy/rules
> have a more abstract meaning. Rules/Policies are installed in filters. For
> example, you can have a filter initiated with no rules, or configured with
> rule set A, then changed to rule set B, it is the same filter but with
> different rules.
>
> Another interpretation may regard filter and filter rules the same thing,
> in that a filter on the same entity but with different rules are viewed as
> different filters, if that makes more sense to the group, I can consider
> clarification on that too.
>
>
>  Okay, so I think it would be good to add a terminology section to
> lay out your interpretation of each of the terminology used.
>
>  Reader will not know what you mean by each of the terminology
> and it will be left to the read as to how one interprets each term..
>
>  Your response looks good, I highly suggests that you add a
> terminology section..
>
>  Thanks
>   Shida
>
>
>
>>
>>  What is dynamically computed filter, are they different in the
>> sense that they are not installed via this spec? (section 4.3)
>>
>>
> Meaning the filtering contents are dynamically computed based on current
> network status. It is more about the computation of the filter, not about
> installation.
>
>
>>   What is the difference between load control rules and load control
>> filter and load control policy?
>>
>>
> I did not find "load control filter" in this version,  (it should have
> been removed after your earlier comments about terminology). Also S1 second
> last paragraph has a sentence:
>
>  since we are describing a specific control
>    mechanism based on filtering, the term "load control" in this
>    specification is used inter-changeably with the term "load filtering"
>    unless associated with other explicit context.
>
>
> I am also using "policies" and "rules" inter-changeably in the document,
> but I can consolidate both into "rules" (or "policies") if that's clearer.
>
>
>>  What is load control notification? Isn't this just a notification with
>> filter as a body?
>>
>>
> Yes it is. It occurred twice in the document so I can change them to just
> NOTIFY request to match the rest of the document.
>
>
>
>>  What is a filtering server? I am assuming it is a server that
>> receives a notification (subscriber) with filter which installs filter
>> and executes policy/rules inside the filter.. But this is not clearly
>> specified but rather left up to the reader..
>>
>>
> OK, I will make it explicit.
>
>
>> 3 Term control policy is not really explained but I am assuming
>> it is the control you achieve by entity receiving the filter, actually
>> installing the filter. If this is the case, section 5.3 should simply
>> say
>>
>>  "The effectiveness of SIP load filtering relies on the scope of
>> distribution and installation of the load filters in the network"
>>
>>  Latter paragraph uses the control policies, as well and should
>> be replaced with load filtering.
>>
>>
> Sure, will correct.
>
>
>>  Other editorial nits, I will send to the authors directly.
>>
>>
> Got them, thanks!
>
> Charles
>
>
>
>>  Regards
>>   Shida
>>
>>
>> On Dec 7, 2012, at 4:16 PM, Salvatore Loreto wrote:
>>
>> > this is a remind
>> >
>> > we are running a second WGLC for the load-control-event-package
>> >
>> > please read the last version of the document and provide your view on it
>> > (e.g. the draft is ready to move on, etc) or eventual feedback you have.
>> >
>> > thanks
>> > Salvatore
>> >
>> > On 11/29/12 3:21 PM, Salvatore Loreto wrote:
>> >> [as chair]
>> >>
>> >> due to the comments and feedback received during the first one [1],
>> >> we have decided to run a second WGLC on the updated version of the
>> draft:
>> >>
>> http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-05
>> >>
>> >> Today we are starting another two-weeks working group last call.
>> >> This call ends on Thursday, December 13th.
>> >>
>> >> reviews and comments are really appreciate and requested from all the
>> participants cheers
>> >>
>> >>
>> >> Volker and Salvatore
>> >>
>> >> [1]
>> http://www.ietf.org/mail-archive/web/sip-overload/current/msg00799.html
>> >> _______________________________________________
>> >> sip-overload mailing list
>> >> sip-overload@ietf.org
>> >> https://www.ietf.org/mailman/listinfo/sip-overload
>> >>
>> >>
>> >
>> > _______________________________________________
>> > sip-overload mailing list
>> > sip-overload@ietf.org
>> > https://www.ietf.org/mailman/listinfo/sip-overload
>>
>> _______________________________________________
>> sip-overload mailing list
>> sip-overload@ietf.org
>> https://www.ietf.org/mailman/listinfo/sip-overload
>>
>
>
>
> _______________________________________________
> sip-overload mailing list
> sip-overload@ietf.org
> https://www.ietf.org/mailman/listinfo/sip-overload
>
>

--e89a8fb2033484244404d06ed913
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Hi Shida, in that case, I will try to add a terminology section. Thanks!<di=
v><br></div><div>Charles<br><br><div class=3D"gmail_quote">On Sun, Dec 9, 2=
012 at 12:17 PM, Shida Schubert <span dir=3D"ltr">&lt;<a href=3D"mailto:shi=
da@ntt-at.com" target=3D"_blank">shida@ntt-at.com</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div style=3D"word-wrap:break-word"><div><br=
></div><div>Hi Charles;</div><div><br></div><div>=C2=A0My comments inline..=
</div>
<br>
<div><div class=3D"im"><div>On Dec 10, 2012, at 1:35 AM, Charles Shen wrote=
:</div><br><blockquote type=3D"cite">Hi Shida, thank you very much for your=
 comments! please see inline:<div><br></div><div><div class=3D"gmail_quote"=
>
On Sat, Dec 8, 2012 at 2:02 AM, Shida Schubert <span dir=3D"ltr">&lt;<a hre=
f=3D"mailto:shida@ntt-at.com" target=3D"_blank">shida@ntt-at.com</a>&gt;</s=
pan> wrote:<br>


<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">=C2=A0I think overall, the draft is looking =
good and will be ready<br>
after adding some clarifying text and using consistency<br>
terminology through out the draft.<br>
<br>
=C2=A0My comments below<br>
<br>
** Technical ******<br>
<br>
1. Section 5.8.<br>
=C2=A0- The second paragraph talks about enforcing rules =C2=A0even<br>
=C2=A0 =C2=A0when re-activation of subscription fails.. There is a chance<b=
r>
=C2=A0 =C2=A0that event was cancelled or no longer valid, do we still<br>
=C2=A0 =C2=A0want to enforce this event then?? I guess it&#39;s better to b=
e<br>
=C2=A0 =C2=A0safe (be overreactive to prohibit the chance of overload)..<br=
>
<br></blockquote><div><br></div><div>The current text says:=C2=A0</div><div=
><br></div><div><pre style=3D"font-size:1em;margin-top:0px;margin-bottom:0p=
x"> Regardless of whether
   this re-activation of subscription is successful or not, when the
   validity time is reached, the subscriber SHOULD enforce the
   corresponding rules.</pre></div><div><br></div><div>This is a conservati=
ve approach (even if the event has been cancelled, if we do not receive a c=
ancellation, the rule should still be enforced) seems to be inline with you=
r &quot;safe/over-reactive&quot; suggestion, or did I get it wrong?=C2=A0</=
div>

</div></div></blockquote><div><br></div></div><div>=C2=A0Sounds good. Just =
wanted to confirm.</div><div class=3D"im"><br><blockquote type=3D"cite"><di=
v><div class=3D"gmail_quote">

<div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8=
ex;border-left:1px #ccc solid;padding-left:1ex">
2. Section 5.8.<br>
=C2=A0- 5th paragraph talks about NOTIFY body containing no supporting<br>
=C2=A0 =C2=A0bodies, but in section 5.5 is clearly mandating the inclusion =
of<br>
=C2=A0 =C2=A0at least &quot;application/load-control_xml&quot; in NOTIFY . =
So there seems<br>
=C2=A0 =C2=A0to be a bit of contradiction here..<br>
<br></blockquote><div><br></div><div>In normal cases, the subscriber should=
 not receive unknown bodies, so the wording about no supporting bodies is m=
ore concerning error conditions. Do you want to make it more explicit, sayi=
ng e.g., &quot;in unexpected cases, when the subscriber receives unknown bo=
dies ...&quot; ?</div>

</div></div></blockquote><div><br></div></div><div>=C2=A0May be good to be =
more explicit but current text is fine as is, as it really tries to prevent=
 things from breaking..</div><div class=3D"im"><br><blockquote type=3D"cite=
"><div>

<div class=3D"gmail_quote">

<div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin-top:0px;=
margin-right:0px;margin-bottom:0px;margin-left:0.8ex;border-left-width:1px;=
border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex=
">
3. Section 5.11<br>
=C2=A0- 2nd paragraph mentions the need to keep track of the version<br>
=C2=A0 number, when subscriber has missed receiving a version. But<br>
=C2=A0 why is this necessary when it is mentioned that subscriber asks<br>
=C2=A0 for a full snapshot of the state (filters).. Also these statements<b=
r>
=C2=A0 seem like they should be written with the RFC2119 language.<br>
<br></blockquote><div><br></div><div>Using the version number, the subscrib=
er knows whether it misses any delta update or not. It needs to ask for a f=
ull snapshot of the state *only* when it finds out that it had missed some =
previous delta update (so it could not reconstruct the full current state s=
olely based on the delta updates it has). This paragraph is referencing RFC=
6665 (<a href=3D"http://tools.ietf.org/html/rfc6665#section-5.3.2" target=
=3D"_blank">http://tools.ietf.org/html/rfc6665#section-5.3.2</a>), so I can=
 add a &quot;MUST&quot; to the &quot;include a version number that ...&quot=
; part.=C2=A0</div>



<div>=C2=A0</div></div></div></blockquote><div><br></div></div><div>=C2=A0I=
 guess it was rather confusing because it read like you only keep=C2=A0</di=
v><div>track of versioning number in case you miss a version.. I think=C2=
=A0</div><div>what you mentioned above somehow SHOULD be mentioned.=C2=A0</=
div>

<div><br></div><div>=C2=A0Something along the line of=C2=A0</div><div><br><=
/div><div>=C2=A01. MUST keep track of versioning number.</div><div>=C2=A02.=
 If there is a miss then ask for full snapshot.</div><div class=3D"im"><br>=
<blockquote type=3D"cite">

<div><div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"=
margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0.8ex;border-=
left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;p=
adding-left:1ex">


4. Section 6.4<br>
=C2=A0 - 2nd paragraph has normative statement about &quot;reject&quot;, &q=
uot;drop&quot;<br>
=C2=A0 I am assuming that these are normative statements for the<br>
=C2=A0 subscriber (servers that installs filter) to follow, but this is not=
<br>
=C2=A0 clarified.. I suggest you clarify who takes these actions a bit<br>
=C2=A0 more explicitly..<br></blockquote><div><br></div><div>Will do.</div>=
<div><br></div></div></div></blockquote><div><br></div></div>=C2=A0OK.<div =
class=3D"im"><br><br><blockquote type=3D"cite"><div><div class=3D"gmail_quo=
te"><div>=C2=A0</div>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
<br>
** Editorial ******<br>
<br>
1. Design Requirements<br>
=C2=A0- Bullet 5<br>
=C2=A0 =C2=A0The target should include domain as destination domain is<br>
=C2=A0 =C2=A0 mentioned as a target in the section 4.1..<br>
<br></blockquote><div><br></div><div>ok.</div><div>=C2=A0</div><blockquote =
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex">
2. Terminology<br>
<br>
=C2=A0Terminology is still rather confusing are the followings terms<br>
same or not? If they are same, I think same terminology should<br>
be used.<br>
<br>
=C2=A0I think terminology section may help with this, but never the<br>
less I encourage the use of consistent terminology across the<br>
document.<br></blockquote><div>=C2=A0</div><blockquote class=3D"gmail_quote=
" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
=C2=A0Are the following terms all the same?<br>
=C2=A0 =C2=A0 load filter =3D=3D=3D load filtering rules, load filtering po=
licy(ies), filter<br></blockquote><div><br></div><div>To me load filter / f=
ilter can have a physical sense while policy/rules have a more abstract mea=
ning. Rules/Policies are installed in filters. For example, you can have a =
filter initiated with no rules, or configured with rule set A, then changed=
 to rule set B, it is the same filter but with different rules.=C2=A0</div>



<div><br></div><div>Another interpretation may regard filter and filter rul=
es the same thing, in that a filter on the same entity but with different r=
ules are viewed as different filters, if that makes more sense to the group=
, I can consider clarification on that too.=C2=A0</div>

</div></div></blockquote><div><br></div></div><div>=C2=A0Okay, so I think i=
t would be good to add a terminology section to=C2=A0</div><div>lay out you=
r interpretation of each of the terminology used.=C2=A0</div><div>=C2=A0</d=
iv><div>=C2=A0Reader will not know what you mean by each of the terminology=
=C2=A0</div>

<div>and it will be left to the read as to how one interprets each term..</=
div><div><br></div><div>=C2=A0Your response looks good, I highly suggests t=
hat you add a=C2=A0</div><div>terminology section..=C2=A0</div><div><br></d=
iv><div>=C2=A0Thanks</div>

<span class=3D"HOEnZb"><font color=3D"#888888"><div>=C2=A0 Shida</div></fon=
t></span><div><div class=3D"h5"><br><blockquote type=3D"cite"><div><div cla=
ss=3D"gmail_quote">

<div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin-top:0px;=
margin-right:0px;margin-bottom:0px;margin-left:0.8ex;border-left-width:1px;=
border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex=
">
<br>
=C2=A0What is dynamically computed filter, are they different in the<br>
sense that they are not installed via this spec? (section 4.3)<br>
<br></blockquote><div><br></div><div>Meaning the filtering contents are dyn=
amically computed based on current network status. It is more about the com=
putation of the filter, not about installation.=C2=A0</div><div>=C2=A0</div=
><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex">




=C2=A0 What is the difference between load control rules and load control<b=
r>
filter and load control policy?<br>
<br></blockquote><div><br></div><div>I did not find &quot;load control filt=
er&quot; in this version, =C2=A0(it should have been removed after your ear=
lier comments about terminology). Also=C2=A0S1 second last paragraph has a =
sentence:=C2=A0</div>



<div><br></div><div><pre style=3D"font-size:1em;margin-top:0px;margin-botto=
m:0px"> since we are describing a specific control
   mechanism based on filtering, the term &quot;load control&quot; in this
   specification is used inter-changeably with the term &quot;load filterin=
g&quot;
   unless associated with other explicit context.</pre></div><div><br></div=
><div><div>I am also using &quot;policies&quot; and &quot;rules&quot; inter=
-changeably in the document, but I can consolidate both into &quot;rules&qu=
ot; (or &quot;policies&quot;) if that&#39;s clearer.=C2=A0</div>



</div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 =
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
=C2=A0What is load control notification? Isn&#39;t this just a notification=
 with<br>
filter as a body?<br>
<br></blockquote><div><br></div><div>Yes it is. It occurred twice in the do=
cument so I can change them to just NOTIFY request to match the rest of the=
 document.</div><div><br></div><div>=C2=A0</div><blockquote class=3D"gmail_=
quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1=
ex">




=C2=A0What is a filtering server? I am assuming it is a server that<br>
receives a notification (subscriber) with filter which installs filter<br>
and executes policy/rules inside the filter.. But this is not clearly<br>
specified but rather left up to the reader..<br>
<br></blockquote><div><br></div><div>OK, I will make it explicit.=C2=A0</di=
v><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 =
.8ex;border-left:1px #ccc solid;padding-left:1ex">
3 Term control policy is not really explained but I am assuming<br>
it is the control you achieve by entity receiving the filter, actually<br>
installing the filter. If this is the case, section 5.3 should simply<br>
say<br>
<br>
=C2=A0&quot;The effectiveness of SIP load filtering relies on the scope of<=
br>
distribution and installation of the load filters in the network&quot;<br>
<br>
=C2=A0Latter paragraph uses the control policies, as well and should<br>
be replaced with load filtering.<br>
<br></blockquote><div><br></div><div>Sure, will correct.=C2=A0</div><div>=
=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bo=
rder-left:1px #ccc solid;padding-left:1ex">
=C2=A0Other editorial nits, I will send to the authors directly.<br>
<br></blockquote><div><br></div><div>Got them, thanks!</div><div><br></div>=
<div>Charles</div><div><br></div><div>=C2=A0</div><blockquote class=3D"gmai=
l_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left=
:1ex">




=C2=A0Regards<br>
<span><font color=3D"#888888">=C2=A0 Shida<br>
</font></span><div><div><br>
<br>
On Dec 7, 2012, at 4:16 PM, Salvatore Loreto wrote:<br>
<br>
&gt; this is a remind<br>
&gt;<br>
&gt; we are running a second WGLC for the load-control-event-package<br>
&gt;<br>
&gt; please read the last version of the document and provide your view on =
it<br>
&gt; (e.g. the draft is ready to move on, etc) or eventual feedback you hav=
e.<br>
&gt;<br>
&gt; thanks<br>
&gt; Salvatore<br>
&gt;<br>
&gt; On 11/29/12 3:21 PM, Salvatore Loreto wrote:<br>
&gt;&gt; [as chair]<br>
&gt;&gt;<br>
&gt;&gt; due to the comments and feedback received during the first one [1]=
,<br>
&gt;&gt; we have decided to run a second WGLC on the updated version of the=
 draft:<br>
&gt;&gt; <a href=3D"http://tools.ietf.org/html/draft-ietf-soc-load-control-=
event-package-05" target=3D"_blank">http://tools.ietf.org/html/draft-ietf-s=
oc-load-control-event-package-05</a><br>
&gt;&gt;<br>
&gt;&gt; Today we are starting another two-weeks working group last call.<b=
r>
&gt;&gt; This call ends on Thursday, December 13th.<br>
&gt;&gt;<br>
&gt;&gt; reviews and comments are really appreciate and requested from all =
the participants cheers<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; Volker and Salvatore<br>
&gt;&gt;<br>
&gt;&gt; [1]<a href=3D"http://www.ietf.org/mail-archive/web/sip-overload/cu=
rrent/msg00799.html" target=3D"_blank">http://www.ietf.org/mail-archive/web=
/sip-overload/current/msg00799.html</a><br>
&gt;&gt; _______________________________________________<br>
&gt;&gt; sip-overload mailing list<br>
&gt;&gt; <a href=3D"mailto:sip-overload@ietf.org" target=3D"_blank">sip-ove=
rload@ietf.org</a><br>
&gt;&gt; <a href=3D"https://www.ietf.org/mailman/listinfo/sip-overload" tar=
get=3D"_blank">https://www.ietf.org/mailman/listinfo/sip-overload</a><br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;<br>
&gt; _______________________________________________<br>
&gt; sip-overload mailing list<br>
&gt; <a href=3D"mailto:sip-overload@ietf.org" target=3D"_blank">sip-overloa=
d@ietf.org</a><br>
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To: 'Charles Shen' <charles@cs.columbia.edu>, "sip-overload@ietf.org" <sip-overload@ietf.org>
Date: Thu, 13 Dec 2012 14:58:28 -0500
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From: Charles Shen <charles@cs.columbia.edu>
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Subject: Re: [sip-overload] I-D Action: draft-ietf-soc-load-control-event-package-05.txt
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Hi Janet, I will revise as suggested. Thanks you again!

Charles

On Fri, Dec 14, 2012 at 3:56 PM, Janet P Gunn <jgunn6@csc.com> wrote:

> You can count my review for IESG.
>
> I only have a couple of things to add.
>
> In section 4.4, you have the text:
> =E2=80=9CIn addition, whatever the actual policy is, SIP
>    servers SHOULD honor the local policy for prioritizing SIP requests
>    such as policies based on the contents of the Resource-Priority
>    Header (RPH) [RFC4412].  The RPH contents may indicate high priority
>    requests that should be preserved as much as possible, or low
>    priority requests that could be dropped during overload.  Other
>    indicators, such as the SOS Uniform Resource Name (URN) [RFC5031]
>    indicating an emergency request, may also be used for prioritization.=
=E2=80=9D
>
> During the last IETF meeting, there was an exchange on the list  about
> this wording (in multiple IDs) with apparent agreement (on the list) to u=
se
>  the same text in all the overload drafts
>
> "   A SIP client SHOULD honor any local policy for prioritizing SIP
>  requests such as policies based *on message type, e.g., INVITEs vs.*
> *   requests associated with existing sessions.*
>
>    *A SIP client SHOULD honor any local policy for prioritizing SIP *
> *   requests based* on the content of the Resource-
>  Priority header (RPH, RFC4412 [RFC4412]).  Specific (namespace.value)
>  RPH contents may indicate high priority requests that should be
>  preserved as much as possible during overload.  The RPH contents can
>  also indicate a low-priority request that is eligible to be dropped
>  during times of overload.
>
>  A SIP client SHOULD honor any local policy for prioritizing SIP
>  requests relating to emergency calls, as identified by the SOS
>  URN [RFC5031] indicating an emergency request."
>
> So would you please use this revised wording.
>
> nits
>
> Sec 5.8 last sentence of first paragraph
> =E2=80=9CA subscriber receiving the notification first installs
>    these rules and then filter incoming requests to enforce actions on
>    appropriate requests, for example, limiting the sending rate of call
>    requests destined for a specific SIP entity.=E2=80=9D
> =E2=80=9Cfilter=E2=80=9D should be =E2=80=9Cfilters=E2=80=9D
>
> Pg 18
> This
> =E2=80=9Cthis solution does not permit to define a filter that excludes
>    all E.164 numbers in that country but retain all short service
>    numbers.=E2=80=9D
> Should be
> =E2=80=9Cthis solution does not permit the definition of filter that excl=
udes
>    all E.164 numbers in that country but retain all short service
>    numbers.=E2=80=9D
>
> Janet
>
> This is a PRIVATE message. If you are not the intended recipient, please
> delete without copying and kindly advise us by e-mail of the mistake in
> delivery. NOTE: Regardless of content, this e-mail shall not operate to
> bind CSC to any order or other contract unless pursuant to explicit writt=
en
> agreement or government initiative expressly permitting the use of e-mail
> for such purpose.
>
>
>
> From:        "NOEL, ERIC  (ERIC C)" <ecnoel@research.att.com>
> To:        "'Charles Shen'" <charles@cs.columbia.edu>, "
> sip-overload@ietf.org" <sip-overload@ietf.org>
> Cc:        Arata Koike <koike.arata@lab.ntt.co.jp>, Henning Schulzrinne <
> hgs@cs.columbia.edu>
> Date:        12/13/2012 03:01 PM
> Subject:        Re: [sip-overload] I-D        Action:
>  draft-ietf-soc-load-control-event-package-05.txt
> Sent by:        sip-overload-bounces@ietf.org
> ------------------------------
>
>
>
> Charles,
>
> I went through your latest version and have no comments beyond what was
> already posted.
>
> You can have my review counted for the IESG review.
>
> Thanks,
>
> Eric Noel
> *AT&T Labs, Inc.* *
> Rethink Possible*
> * *
> Network Design and Performance Analysis
> 200 South Laurel Avenue, D5-3D19
> Middletown, NJ 07748
> P: 732.420.4174
> *ecnoel@att.com* <jsmith@att.com>
>
> *From:* sip-overload-bounces@ietf.org [
> mailto:sip-overload-bounces@ietf.org <sip-overload-bounces@ietf.org>] *On
> Behalf Of *Charles Shen*
> Sent:* Monday, October 22, 2012 12:47 PM*
> To:* sip-overload@ietf.org*
> Cc:* Arata Koike; Henning Schulzrinne*
> Subject:* Re: [sip-overload] I-D Action:
> draft-ietf-soc-load-control-event-package-05.txt
>
> Hi all,
>
> I've submitted a new version of draft-ietf-soc-load-control-event-package=
.
>
> Diff is available at: *
> http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-load-control-event-pack=
age-05
> *<http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-load-control-event-pa=
ckage-05>
>
> This version should have incorporated responses to all comments received
> so far (please let me know if I missed anything). Main changes include
> adding: 6.3.3 (target-sip-entity, currently optional) 6.5.2 (example
> message flow), removing 5.12 (state agent), as well as changes and
> clarifications in a number of other sections, e.g., 6.3.2 (explicit list =
of
> method types subjected to control) 6.4 (using redirect as alternative
> action), 5.8 (terminating policies upon termination of subscription) and
> 13.2 PSTN references.
>
> Comments are welcome !
>
> Charles
>
>
>
> On Mon, Oct 22, 2012 at 12:32 PM, <*internet-drafts@ietf.org*<internet-dr=
afts@ietf.org>>
> wrote:
>
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> This draft is a work item of the SIP Overload Control Working Group of th=
e
> IETF.
>
>        Title           : A Session Initiation Protocol (SIP) Load Control
> Event Package
>        Author(s)       : Charles Shen
>                          Henning Schulzrinne
>                          Arata Koike
>        Filename        : draft-ietf-soc-load-control-event-package-05.txt
>        Pages           : 39
>        Date            : 2012-10-22
>
> Abstract:
>   We define a load control event package for the Session Initiation
>   Protocol (SIP).  It allows SIP servers to distribute load filters to
>   other SIP servers in the network.  The load filters contain rules to
>   throttle calls based on their source or destination domain, telephone
>   number prefix or for a specific user.  The mechanism helps to prevent
>   signaling overload and complements feedback-based SIP overload
>   control efforts.
>
>
> The IETF datatracker status page for this draft is:*
> **
> https://datatracker.ietf.org/doc/draft-ietf-soc-load-control-event-packag=
e
> *<https://datatracker.ietf.org/doc/draft-ietf-soc-load-control-event-pack=
age>
>
> There's also a htmlized version available at:*
> **http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-05=
*<http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-05>
>
> A diff from the previous version is available at:*
> **
> http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-load-control-event-pack=
age-05
> *<http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-load-control-event-pa=
ckage-05>
>
>
> Internet-Drafts are also available by anonymous FTP at:*
> **ftp://ftp.ietf.org/internet-drafts/*<ftp://ftp.ietf.org/internet-drafts=
/>
>
> _______________________________________________
> sip-overload mailing list*
> **sip-overload@ietf.org* <sip-overload@ietf.org>*
> **https://www.ietf.org/mailman/listinfo/sip-overload*<https://www.ietf.or=
g/mailman/listinfo/sip-overload>
>  _______________________________________________
> sip-overload mailing list
> sip-overload@ietf.org
> https://www.ietf.org/mailman/listinfo/sip-overload
>
>

--f46d043be10ef4b7f304d0e57ccb
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Hi Janet, I will revise as suggested. Thanks you again!<br><br>Charles<br><=
br><div class=3D"gmail_quote">On Fri, Dec 14, 2012 at 3:56 PM, Janet P Gunn=
 <span dir=3D"ltr">&lt;<a href=3D"mailto:jgunn6@csc.com" target=3D"_blank">=
jgunn6@csc.com</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><font face=3D"sans-serif">You can count my r=
eview for IESG.</font>
<br>
<br><font face=3D"sans-serif">I only have a couple of things to add.</font>
<br>
<br><font face=3D"sans-serif">In section 4.4, you have the text:</font>
<br><font face=3D"sans-serif">=E2=80=9CIn addition, whatever the actual pol=
icy
is, SIP</font>
<br><font face=3D"sans-serif">=C2=A0 =C2=A0servers SHOULD honor the
local policy for prioritizing SIP requests</font>
<br><font face=3D"sans-serif">=C2=A0 =C2=A0such as policies based
on the contents of the Resource-Priority</font>
<br><font face=3D"sans-serif">=C2=A0 =C2=A0Header (RPH) [RFC4412].
=C2=A0The RPH contents may indicate high priority</font>
<br><font face=3D"sans-serif">=C2=A0 =C2=A0requests that should be
preserved as much as possible, or low</font>
<br><font face=3D"sans-serif">=C2=A0 =C2=A0priority requests that
could be dropped during overload. =C2=A0Other</font>
<br><font face=3D"sans-serif">=C2=A0 =C2=A0indicators, such as the
SOS Uniform Resource Name (URN) [RFC5031]</font>
<br><font face=3D"sans-serif">=C2=A0 =C2=A0indicating an emergency
request, may also be used for prioritization.=E2=80=9D </font>
<br>
<br><font face=3D"sans-serif">During the last IETF meeting, there
was an exchange on the list =C2=A0about this wording (in multiple IDs)
with apparent agreement (on the list) to use =C2=A0the same text in all
the overload drafts</font>
<br>
<br><font face=3D"Courier New">&quot; =C2=A0 A SIP client SHOULD honor
any local policy for prioritizing SIP<br>
 =C2=A0requests such as policies based <i>on message type, e.g., INVITEs
vs.</i></font><font face=3D"Calibri"> <br>
</font><font face=3D"Courier New"><i> =C2=A0 requests associated with
existing sessions.</i></font><font face=3D"Calibri"> <br>
</font><font face=3D"Courier New"> =C2=A0 </font><font face=3D"Calibri">=C2=
=A0<br>
</font><font face=3D"Courier New"> =C2=A0 <i>A SIP client SHOULD honor
any local policy for prioritizing SIP </i></font><font face=3D"Times New Ro=
man"><br>
</font><font face=3D"Courier New"><i> =C2=A0 requests based</i> on
the content of the Resource-<br>
 =C2=A0Priority header (RPH, RFC4412 [RFC4412]). =C2=A0Specific (namespace.=
value)<br>
 =C2=A0RPH contents may indicate high priority requests that should be<br>
 =C2=A0preserved as much as possible during overload. =C2=A0The RPH content=
s
can<br>
 =C2=A0also indicate a low-priority request that is eligible to be dropped<=
br>
 =C2=A0during times of overload. =C2=A0<br>
<br>
 =C2=A0A SIP client SHOULD honor any local policy for prioritizing SIP
<br>
 =C2=A0requests relating to emergency calls, as identified by the SOS <br>
 =C2=A0URN [RFC5031] indicating an emergency request.&quot;</font>
<br>
<br><font face=3D"Courier New">So would you please use this revised
wording.</font>
<br>
<br><font face=3D"Courier New">nits</font>
<br>
<br><font face=3D"Courier New">Sec 5.8 last sentence of first paragraph</fo=
nt>
<br><font face=3D"Courier New">=E2=80=9CA subscriber receiving the notifica=
tion
first installs</font>
<br><font face=3D"Courier New">=C2=A0 =C2=A0these rules and then filter
incoming requests to enforce actions on</font>
<br><font face=3D"Courier New">=C2=A0 =C2=A0appropriate requests,
for example, limiting the sending rate of call</font>
<br><font face=3D"Courier New">=C2=A0 =C2=A0requests destined for
a specific SIP entity.=E2=80=9D</font>
<br><font face=3D"Courier New">=E2=80=9Cfilter=E2=80=9D should be =E2=80=9C=
filters=E2=80=9D</font>
<br>
<br><font face=3D"Courier New">Pg 18</font>
<br><font face=3D"Courier New">This</font>
<br><font face=3D"Courier New">=E2=80=9Cthis solution does not permit to
define a filter that excludes</font>
<br><font face=3D"Courier New">=C2=A0 =C2=A0all E.164 numbers in that
country but retain all short service</font>
<br><font face=3D"Courier New">=C2=A0 =C2=A0numbers.=E2=80=9D</font>
<br><font face=3D"Courier New">Should be</font>
<br><font face=3D"Courier New">=E2=80=9Cthis solution does not permit the
definition of filter that excludes</font>
<br><font face=3D"Courier New">=C2=A0 =C2=A0all E.164 numbers in that
country but retain all short service</font>
<br><font face=3D"Courier New">=C2=A0 =C2=A0numbers.=E2=80=9D</font>
<br>
<br><font face=3D"sans-serif">Janet<br>
<br>
This is a PRIVATE message. If you are not the intended recipient, please
delete without copying and kindly advise us by e-mail of the mistake in
delivery. NOTE: Regardless of content, this e-mail shall not operate to
bind CSC to any order or other contract unless pursuant to explicit written
agreement or government initiative expressly permitting the use of e-mail
for such purpose.</font>
<br>
<br>
<br>
<br><font size=3D"1" color=3D"#5f5f5f" face=3D"sans-serif">From: =C2=A0 =C2=
=A0 =C2=A0
=C2=A0</font><font size=3D"1" face=3D"sans-serif">&quot;NOEL, ERIC =C2=A0(E=
RIC
C)&quot; &lt;<a href=3D"mailto:ecnoel@research.att.com" target=3D"_blank">e=
cnoel@research.att.com</a>&gt;</font>
<br><font size=3D"1" color=3D"#5f5f5f" face=3D"sans-serif">To: =C2=A0 =C2=
=A0 =C2=A0
=C2=A0</font><font size=3D"1" face=3D"sans-serif">&quot;&#39;Charles Shen&#=
39;&quot;
&lt;<a href=3D"mailto:charles@cs.columbia.edu" target=3D"_blank">charles@cs=
.columbia.edu</a>&gt;, &quot;<a href=3D"mailto:sip-overload@ietf.org" targe=
t=3D"_blank">sip-overload@ietf.org</a>&quot; &lt;<a href=3D"mailto:sip-over=
load@ietf.org" target=3D"_blank">sip-overload@ietf.org</a>&gt;</font>
<br><font size=3D"1" color=3D"#5f5f5f" face=3D"sans-serif">Cc: =C2=A0 =C2=
=A0 =C2=A0
=C2=A0</font><font size=3D"1" face=3D"sans-serif">Arata Koike &lt;<a href=
=3D"mailto:koike.arata@lab.ntt.co.jp" target=3D"_blank">koike.arata@lab.ntt=
.co.jp</a>&gt;,
Henning Schulzrinne &lt;<a href=3D"mailto:hgs@cs.columbia.edu" target=3D"_b=
lank">hgs@cs.columbia.edu</a>&gt;</font>
<br><font size=3D"1" color=3D"#5f5f5f" face=3D"sans-serif">Date: =C2=A0 =C2=
=A0 =C2=A0
=C2=A0</font><font size=3D"1" face=3D"sans-serif">12/13/2012 03:01 PM</font=
>
<br><div class=3D"im"><font size=3D"1" color=3D"#5f5f5f" face=3D"sans-serif=
">Subject: =C2=A0 =C2=A0
=C2=A0 =C2=A0</font><font size=3D"1" face=3D"sans-serif">Re: [sip-overload]
I-D =C2=A0 =C2=A0 =C2=A0 =C2=A0Action: =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-iet=
f-soc-load-control-event-package-05.txt</font>
<br></div><font size=3D"1" color=3D"#5f5f5f" face=3D"sans-serif">Sent by: =
=C2=A0 =C2=A0
=C2=A0 =C2=A0</font><font size=3D"1" face=3D"sans-serif"><a href=3D"mailto:=
sip-overload-bounces@ietf.org" target=3D"_blank">sip-overload-bounces@ietf.=
org</a></font>
<br>
<hr noshade><div class=3D"HOEnZb"><div class=3D"h5">
<br>
<br>
<br><font color=3D"#004080" face=3D"Calibri">Charles,</font>
<br><font color=3D"#004080" face=3D"Calibri">=C2=A0</font>
<br><font color=3D"#004080" face=3D"Calibri">I went through your latest
version and have no comments beyond what was already posted.</font>
<br><font color=3D"#004080" face=3D"Calibri">=C2=A0</font>
<br><font color=3D"#004080" face=3D"Calibri">You can have my review counted
for the IESG review.</font>
<br><font color=3D"#004080" face=3D"Calibri">=C2=A0</font>
<br><font color=3D"#004080" face=3D"Calibri">Thanks,</font>
<br><font color=3D"#004080" face=3D"Calibri">=C2=A0</font>
<br><font size=3D"1" color=3D"#ff8100" face=3D"Verdana">Eric Noel</font><fo=
nt size=3D"1" color=3D"#5f5f5f" face=3D"Verdana">
</font>
<br><font size=3D"1" color=3D"#5f5f5f" face=3D"Verdana"><b>AT&amp;T Labs, I=
nc.</b>
</font><font size=3D"1" color=3D"#00a1e0" face=3D"Verdana"><i><br>
Rethink Possible</i></font>
<br><font size=3D"1" color=3D"#00a1e0" face=3D"Verdana"><i>=C2=A0</i></font=
>
<br><font size=3D"1" color=3D"#5f5f5f" face=3D"Verdana">Network Design and =
Performance
Analysis<br>
200 South Laurel Avenue, D5-3D19<br>
Middletown, NJ 07748<br>
P: <a href=3D"tel:732.420.4174" value=3D"+17324204174" target=3D"_blank">73=
2.420.4174</a></font>
<br><a href=3D"mailto:jsmith@att.com" target=3D"_blank"><font size=3D"1" co=
lor=3D"blue" face=3D"Verdana"><u>ecnoel@att.com</u></font></a>
<br><font color=3D"#004080" face=3D"Calibri">=C2=A0</font>
<br><font face=3D"Tahoma"><b>From:</b> <a href=3D"mailto:sip-overload-bounc=
es@ietf.org" target=3D"_blank">sip-overload-bounces@ietf.org</a>
[</font><a href=3D"mailto:sip-overload-bounces@ietf.org" target=3D"_blank">=
<font face=3D"Tahoma">mailto:sip-overload-bounces@ietf.org</font></a><font =
face=3D"Tahoma">]
<b>On Behalf Of </b>Charles Shen<b><br>
Sent:</b> Monday, October 22, 2012 12:47 PM<b><br>
To:</b> <a href=3D"mailto:sip-overload@ietf.org" target=3D"_blank">sip-over=
load@ietf.org</a><b><br>
Cc:</b> Arata Koike; Henning Schulzrinne<b><br>
Subject:</b> Re: [sip-overload] I-D Action: draft-ietf-soc-load-control-eve=
nt-package-05.txt</font>
<br><font size=3D"3" face=3D"Times New Roman">=C2=A0</font>
<br><font size=3D"3" face=3D"Times New Roman">Hi all,</font>
<br><font size=3D"3" face=3D"Times New Roman">=C2=A0</font>
<br><font size=3D"3" face=3D"Times New Roman">I&#39;ve submitted a new vers=
ion of
draft-ietf-soc-load-control-event-package. </font>
<br><font size=3D"3" face=3D"Times New Roman">=C2=A0</font>
<br><font size=3D"3" face=3D"Times New Roman">Diff is available at: </font>=
<a href=3D"http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-load-control-e=
vent-package-05" target=3D"_blank"><font size=3D"3" color=3D"blue" face=3D"=
Times New Roman"><u>http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-load-=
control-event-package-05</u></font></a>
<br><font size=3D"3" face=3D"Times New Roman">=C2=A0</font>
<br><font size=3D"3" face=3D"Times New Roman">This version should have inco=
rporated
responses to all comments received so far (please let me know if I missed
anything). Main changes include adding: 6.3.3 (target-sip-entity, currently
optional) 6.5.2 (example message flow), removing 5.12 (state agent), as
well as changes and clarifications in a number of other sections, e.g.,
6.3.2 (explicit list of method types subjected to control) 6.4 (using redir=
ect
as alternative action), 5.8 (terminating policies upon termination of subsc=
ription)
and 13.2 PSTN references. </font>
<br><font size=3D"3" face=3D"Times New Roman">=C2=A0</font>
<br><font size=3D"3" face=3D"Times New Roman">Comments are welcome !</font>
<br><font size=3D"3" face=3D"Times New Roman">=C2=A0</font>
<br><font size=3D"3" face=3D"Times New Roman">Charles</font>
<br><font size=3D"3" face=3D"Times New Roman">=C2=A0</font>
<br><font size=3D"3" face=3D"Times New Roman">=C2=A0</font>
<br><font size=3D"3" face=3D"Times New Roman">=C2=A0</font>
<br><font size=3D"3" face=3D"Times New Roman">On Mon, Oct 22, 2012 at 12:32=
 PM,
&lt;</font><a href=3D"mailto:internet-drafts@ietf.org" target=3D"_blank"><f=
ont size=3D"3" color=3D"blue" face=3D"Times New Roman"><u>internet-drafts@i=
etf.org</u></font></a><font size=3D"3" face=3D"Times New Roman">&gt;
wrote:</font>
<br><font size=3D"3" face=3D"Times New Roman"><br>
A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.<br>
 This draft is a work item of the SIP Overload Control Working Group of
the IETF.<br>
<br>
 =C2=A0 =C2=A0 =C2=A0 =C2=A0Title =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 :
A Session Initiation Protocol (SIP) Load Control Event Package<br>
 =C2=A0 =C2=A0 =C2=A0 =C2=A0Author(s) =C2=A0 =C2=A0 =C2=A0 : Charles Shen<b=
r>
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
=C2=A0 =C2=A0 =C2=A0Henning Schulzrinne<br>
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0
=C2=A0 =C2=A0 =C2=A0Arata Koike<br>
 =C2=A0 =C2=A0 =C2=A0 =C2=A0Filename =C2=A0 =C2=A0 =C2=A0 =C2=A0: draft-iet=
f-soc-load-control-event-package-05.txt<br>
 =C2=A0 =C2=A0 =C2=A0 =C2=A0Pages =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 :
39<br>
 =C2=A0 =C2=A0 =C2=A0 =C2=A0Date =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0:
2012-10-22<br>
<br>
Abstract:<br>
 =C2=A0 We define a load control event package for the Session Initiation<b=
r>
 =C2=A0 Protocol (SIP). =C2=A0It allows SIP servers to distribute load
filters to<br>
 =C2=A0 other SIP servers in the network. =C2=A0The load filters contain
rules to<br>
 =C2=A0 throttle calls based on their source or destination domain, telepho=
ne<br>
 =C2=A0 number prefix or for a specific user. =C2=A0The mechanism helps
to prevent<br>
 =C2=A0 signaling overload and complements feedback-based SIP overload<br>
 =C2=A0 control efforts.<br>
<br>
<br>
The IETF datatracker status page for this draft is:</font><font size=3D"3" =
color=3D"blue" face=3D"Times New Roman"><u><br>
</u></font><a href=3D"https://datatracker.ietf.org/doc/draft-ietf-soc-load-=
control-event-package" target=3D"_blank"><font size=3D"3" color=3D"blue" fa=
ce=3D"Times New Roman"><u>https://datatracker.ietf.org/doc/draft-ietf-soc-l=
oad-control-event-package</u></font></a><font size=3D"3" face=3D"Times New =
Roman"><br>


<br>
There&#39;s also a htmlized version available at:</font><font size=3D"3" co=
lor=3D"blue" face=3D"Times New Roman"><u><br>
</u></font><a href=3D"http://tools.ietf.org/html/draft-ietf-soc-load-contro=
l-event-package-05" target=3D"_blank"><font size=3D"3" color=3D"blue" face=
=3D"Times New Roman"><u>http://tools.ietf.org/html/draft-ietf-soc-load-cont=
rol-event-package-05</u></font></a><font size=3D"3" face=3D"Times New Roman=
"><br>


<br>
A diff from the previous version is available at:</font><font size=3D"3" co=
lor=3D"blue" face=3D"Times New Roman"><u><br>
</u></font><a href=3D"http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-loa=
d-control-event-package-05" target=3D"_blank"><font size=3D"3" color=3D"blu=
e" face=3D"Times New Roman"><u>http://www.ietf.org/rfcdiff?url2=3Ddraft-iet=
f-soc-load-control-event-package-05</u></font></a><font size=3D"3" face=3D"=
Times New Roman"><br>


<br>
<br>
Internet-Drafts are also available by anonymous FTP at:</font><font size=3D=
"3" color=3D"blue" face=3D"Times New Roman"><u><br>
</u></font><a href=3D"ftp://ftp.ietf.org/internet-drafts/" target=3D"_blank=
"><font size=3D"3" color=3D"blue" face=3D"Times New Roman"><u>ftp://ftp.iet=
f.org/internet-drafts/</u></font></a><font size=3D"3" face=3D"Times New Rom=
an"><br>
<br>
_______________________________________________<br>
sip-overload mailing list</font><font size=3D"3" color=3D"blue" face=3D"Tim=
es New Roman"><u><br>
</u></font><a href=3D"mailto:sip-overload@ietf.org" target=3D"_blank"><font=
 size=3D"3" color=3D"blue" face=3D"Times New Roman"><u>sip-overload@ietf.or=
g</u></font></a><font size=3D"3" color=3D"blue" face=3D"Times New Roman"><u=
><br>
</u></font><a href=3D"https://www.ietf.org/mailman/listinfo/sip-overload" t=
arget=3D"_blank"><font size=3D"3" color=3D"blue" face=3D"Times New Roman"><=
u>https://www.ietf.org/mailman/listinfo/sip-overload</u></font></a>
<br><font size=3D"3" face=3D"Times New Roman">=C2=A0</font><tt><font>______=
_________________________________________<br>
sip-overload mailing list<br>
<a href=3D"mailto:sip-overload@ietf.org" target=3D"_blank">sip-overload@iet=
f.org</a><br>
</font></tt><a href=3D"https://www.ietf.org/mailman/listinfo/sip-overload" =
target=3D"_blank"><tt><font>https://www.ietf.org/mailman/listinfo/sip-overl=
oad</font></tt></a><tt><font><br>
</font></tt>
<br>
</div></div></blockquote></div><br>

--f46d043be10ef4b7f304d0e57ccb--

From vkg@bell-labs.com  Sat Dec 15 11:26:25 2012
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Date: Sat, 15 Dec 2012 13:27:49 -0600
From: "Vijay K. Gurbani" <vkg@bell-labs.com>
Organization: Bell Laboratories, Alcatel-Lucent
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Cc: "sip-overload@ietf.org" <sip-overload@ietf.org>
Subject: [sip-overload] Review of draft-ietf-soc-load-control-event-package-05
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Dear Charles: I read the -05 version of draft-ietf-soc-load-control-
event-package.  My review is below.  Thank you.

The document is well written and ready to be moved ahead.  I do have a
couple of comments from reading the document.

First, as a general comment, the draft states at various places that
a subscription or notification can include an empty message body.
However, an empty body can be a body with 0 octets.  On the other hand,
an empty message body could contain some XML markings that are
essentially a no-op, something like this:

<?xml version="1.0" encoding="UTF-8"?>
    <ruleset xmlns="urn:ietf:params:xml:ns:common-policy"
                xmlns:lc="urn:ietf:params:xml:ns:load-control"
                version="0" state="full">
    </ruleset>

Which one of these did you mean?  I suspect that when you say an empty
body you probably mean a body with 0 octets.  But just the same it will
be good to make this explicit.

Second, I am not sure what the second to last paragraph ("A SUBSCRIBE
request... are not yet defined.") in Section 5.3 means.  Isn't what
this draft is specifying a filter to throttle requests?  Or am I
missing something?

And finally, Keith had opened up a thread [1] on the list on
harmonizing overload and emergency handling in this draft as well as
draft-ietf-soc-overload-control.  I need to put the text agreed to on
the list in draft-ietf-soc-overload-control as well.  The final text
was suggested by Janet in [2], which is what I will end up inserting in
the draft-ietf-soc-overload-control.

[1] http://www.ietf.org/mail-archive/web/sip-overload/current/msg00848.html
[2] http://www.ietf.org/mail-archive/web/sip-overload/current/msg00849.html

- vijay
-- 
Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60563 (USA)
Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com
Web:   http://ect.bell-labs.com/who/vkg/

From charles.newyork@gmail.com  Sat Dec 15 21:27:25 2012
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From: Charles Shen <charles@cs.columbia.edu>
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Subject: Re: [sip-overload] Review of draft-ietf-soc-load-control-event-package-05
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Dear Vijay, Thanks for your comments! please see inline.

On Sat, Dec 15, 2012 at 2:27 PM, Vijay K. Gurbani <vkg@bell-labs.com> wrote:

> Dear Charles: I read the -05 version of draft-ietf-soc-load-control-
> event-package.  My review is below.  Thank you.
>
> The document is well written and ready to be moved ahead.  I do have a
> couple of comments from reading the document.
>
> First, as a general comment, the draft states at various places that
> a subscription or notification can include an empty message body.
> However, an empty body can be a body with 0 octets.  On the other hand,
> an empty message body could contain some XML markings that are
> essentially a no-op, something like this:
>
> <?xml version="1.0" encoding="UTF-8"?>
>    <ruleset xmlns="urn:ietf:params:xml:ns:**common-policy"
>                xmlns:lc="urn:ietf:params:xml:**ns:load-control"
>                version="0" state="full">
>    </ruleset>
>
> Which one of these did you mean?  I suspect that when you say an empty
> body you probably mean a body with 0 octets.  But just the same it will
> be good to make this explicit.
>

Yes, I meant a body with 0 octets, and I will make it explicit.


> Second, I am not sure what the second to last paragraph ("A SUBSCRIBE
> request... are not yet defined.") in Section 5.3 means.  Isn't what
> this draft is specifying a filter to throttle requests?  Or am I
> missing something?
>
>
No, this might be a confusion caused by the overloaded use of the word
"filter". The SUBSCRIBE has an Accept header (application/load-control+xml)
indicating it is accepting the load control document specifying *load
filters* as defined in this document. The SUBSCRIBE body could be used to
refine its subscription, e.g., only to a subset of *load
filters* (therefore is a filtering of the subscription itself). If I have
to come up with some examples, maybe it could say something like "only
subscribe to   *load filters* for hurricane load spike". But we are not
getting into those perspectives (nor do I think we need to). Therefore, the
sentence just states a possibility that we are not using right now. I can
clarify a bit if needed.


> And finally, Keith had opened up a thread [1] on the list on
> harmonizing overload and emergency handling in this draft as well as
> draft-ietf-soc-overload-**control.  I need to put the text agreed to on
> the list in draft-ietf-soc-overload-**control as well.  The final text
> was suggested by Janet in [2], which is what I will end up inserting in
> the draft-ietf-soc-overload-**control.
>
> [1] http://www.ietf.org/mail-**archive/web/sip-overload/**
> current/msg00848.html<http://www.ietf.org/mail-archive/web/sip-overload/current/msg00848.html>
> [2] http://www.ietf.org/mail-**archive/web/sip-overload/**
> current/msg00849.html<http://www.ietf.org/mail-archive/web/sip-overload/current/msg00849.html>
>
>
I will do. Thanks!

Charles



>  - vijay
> --
> Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
> 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60563 (USA)
> Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.**com<vijay.gurbani@alcatel-lucent.com>
> Web:   http://ect.bell-labs.com/who/**vkg/<http://ect.bell-labs.com/who/vkg/>
>

--f46d044470afedfd9104d0f184fb
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Dear Vijay, Thanks for your comments! please see inline.<br><br><div class=
=3D"gmail_quote">On Sat, Dec 15, 2012 at 2:27 PM, Vijay K. Gurbani <span di=
r=3D"ltr">&lt;<a href=3D"mailto:vkg@bell-labs.com" target=3D"_blank">vkg@be=
ll-labs.com</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Dear Charles: I read the -05 version of draf=
t-ietf-soc-load-control-<br>
event-package. =C2=A0My review is below. =C2=A0Thank you.<br>
<br>
The document is well written and ready to be moved ahead. =C2=A0I do have a=
<br>
couple of comments from reading the document.<br>
<br>
First, as a general comment, the draft states at various places that<br>
a subscription or notification can include an empty message body.<br>
However, an empty body can be a body with 0 octets. =C2=A0On the other hand=
,<br>
an empty message body could contain some XML markings that are<br>
essentially a no-op, something like this:<br>
<br>
&lt;?xml version=3D&quot;1.0&quot; encoding=3D&quot;UTF-8&quot;?&gt;<br>
=C2=A0 =C2=A0&lt;ruleset xmlns=3D&quot;urn:ietf:params:xml:ns:<u></u>common=
-policy&quot;<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0xmlns:lc=3D&quot;urn=
:ietf:params:xml:<u></u>ns:load-control&quot;<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0version=3D&quot;0&qu=
ot; state=3D&quot;full&quot;&gt;<br>
=C2=A0 =C2=A0&lt;/ruleset&gt;<br>
<br>
Which one of these did you mean? =C2=A0I suspect that when you say an empty=
<br>
body you probably mean a body with 0 octets. =C2=A0But just the same it wil=
l<br>
be good to make this explicit.<br></blockquote><div><br></div><div>Yes, I m=
eant a body with 0 octets, and I will make it explicit.</div><div><br></div=
><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex">


<br>
Second, I am not sure what the second to last paragraph (&quot;A SUBSCRIBE<=
br>
request... are not yet defined.&quot;) in Section 5.3 means. =C2=A0Isn&#39;=
t what<br>
this draft is specifying a filter to throttle requests? =C2=A0Or am I<br>
missing something?<br>
<br></blockquote><div><br></div><div>No, this might be a confusion caused b=
y the overloaded use of the word &quot;filter&quot;. The SUBSCRIBE has an A=
ccept header (application/load-control+xml) indicating it is accepting the =
load control document specifying *load filters* as defined in this document=
. The SUBSCRIBE body could be used to refine its subscription, e.g., only t=
o a subset of *load filters*=C2=A0(therefore is a filtering of the subscrip=
tion itself). If I have to come up with some examples, maybe it could say s=
omething like &quot;only subscribe to =C2=A0 *load filters* for hurricane l=
oad spike&quot;. But we are not getting into those perspectives (nor do I t=
hink we need to). Therefore, the sentence just states a possibility that we=
 are not using right now. I can clarify a bit if needed.</div>

<div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8=
ex;border-left:1px #ccc solid;padding-left:1ex">
And finally, Keith had opened up a thread [1] on the list on<br>
harmonizing overload and emergency handling in this draft as well as<br>
draft-ietf-soc-overload-<u></u>control. =C2=A0I need to put the text agreed=
 to on<br>
the list in draft-ietf-soc-overload-<u></u>control as well. =C2=A0The final=
 text<br>
was suggested by Janet in [2], which is what I will end up inserting in<br>
the draft-ietf-soc-overload-<u></u>control.<br>
<br>
[1] <a href=3D"http://www.ietf.org/mail-archive/web/sip-overload/current/ms=
g00848.html" target=3D"_blank">http://www.ietf.org/mail-<u></u>archive/web/=
sip-overload/<u></u>current/msg00848.html</a><br>
[2] <a href=3D"http://www.ietf.org/mail-archive/web/sip-overload/current/ms=
g00849.html" target=3D"_blank">http://www.ietf.org/mail-<u></u>archive/web/=
sip-overload/<u></u>current/msg00849.html</a><span class=3D"HOEnZb"><font c=
olor=3D"#888888"><br>


<br></font></span></blockquote><div><br></div><div>I will do. Thanks!</div>=
<div><br></div><div>Charles</div><div><br></div><div>=C2=A0</div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex">

<span class=3D"HOEnZb"><font color=3D"#888888">
- vijay<br>
-- <br>
Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent<br>
1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60563 (USA)<br>
Email: vkg@{<a href=3D"http://bell-labs.com" target=3D"_blank">bell-labs.co=
m</a>,<a href=3D"http://acm.org" target=3D"_blank">acm.org</a>} / <a href=
=3D"mailto:vijay.gurbani@alcatel-lucent.com" target=3D"_blank">vijay.gurban=
i@alcatel-lucent.<u></u>com</a><br>


Web: =C2=A0 <a href=3D"http://ect.bell-labs.com/who/vkg/" target=3D"_blank"=
>http://ect.bell-labs.com/who/<u></u>vkg/</a><br>
</font></span></blockquote></div><br>

--f46d044470afedfd9104d0f184fb--

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Cc: "NOEL, ERIC \(ERIC C\)" <ecnoel@att.com>, "sip-overload-bounces@ietf.org" <sip-overload-bounces@ietf.org>, "sip-overload@ietf.org" <sip-overload@ietf.org>, Arata Koike <koike.arata@lab.ntt.co.jp>, Henning Schulzrinne <hgs@cs.columbia.edu>
Subject: Re: [sip-overload] I-D Action:	draft-ietf-soc-load-control-event-package-05.txt
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Subject: Re: [sip-overload] Review of draft-ietf-soc-load-control-event-package-05
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Charles: Please see inline.

On 12/15/2012 11:27 PM, Charles Shen wrote:
>     Second, I am not sure what the second to last paragraph ("A SUBSCRIBE
>     request... are not yet defined.") in Section 5.3 means.  Isn't what
>     this draft is specifying a filter to throttle requests?  Or am I
>     missing something?
>
> No, this might be a confusion caused by the overloaded use of the word
> "filter". The SUBSCRIBE has an Accept header
> (application/load-control+xml) indicating it is accepting the load
> control document specifying *load filters* as defined in this document.
> The SUBSCRIBE body could be used to refine its subscription, e.g., only
> to a subset of *load filters* (therefore is a filtering of the
> subscription itself). If I have to come up with some examples, maybe it
> could say something like "only subscribe to   *load filters* for
> hurricane load spike". But we are not getting into those perspectives
> (nor do I think we need to). Therefore, the sentence just states a
> possibility that we are not using right now. I can clarify a bit if needed.

I believe that S5.4.3 of rfc6665 concerns itself with asking designers
of event control packages to define what type of event bodies are
expected in SUBS/NOT requests.  The expectation, further, is that
"these bodies will typically modify, expand, filter, throttle, and/or
set thresholds for the class of events being requested."

My interpretation of S5.4.3 of rfc6665 is that if I have a media type
(and subtype) associated with my event package and that media type
allows events further parameterized by parameters "bar" or "foo" (i.e.,
I can filter events based on "bar" and "foo" and the resulting document
upon changing the discriminator is distinct from before), I do not need
to list these discrimination criteria.  The media type remains the same.

Taking this further to your case, it does not matter whether you want
to subscribe to load filters for a hurricane load spike or you want
to subscribe to load filters for a mother's day load spike, your
media type still remains "application/load-control+xml".

Based on my understanding, you can remove the second paragraph in
Section 5.3 of your document without any loss of generality.  It's
appearance in the document now just adds to ambiguity (where, at least
I can see, none exists).

Thanks,

- vijay
-- 
Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60563 (USA)
Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com
Web:   http://ect.bell-labs.com/who/vkg/

From charles.newyork@gmail.com  Tue Dec 18 10:31:46 2012
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From: Charles Shen <charles@cs.columbia.edu>
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Subject: Re: [sip-overload] Review of draft-ietf-soc-load-control-event-package-05
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Hi Vijay, I am fine with what you propose. Thanks!

Charles

On Mon, Dec 17, 2012 at 3:38 PM, Vijay K. Gurbani <vkg@bell-labs.com> wrote:

> Charles: Please see inline.
>
>
> On 12/15/2012 11:27 PM, Charles Shen wrote:
>
>>     Second, I am not sure what the second to last paragraph ("A SUBSCRIBE
>>     request... are not yet defined.") in Section 5.3 means.  Isn't what
>>     this draft is specifying a filter to throttle requests?  Or am I
>>     missing something?
>>
>> No, this might be a confusion caused by the overloaded use of the word
>> "filter". The SUBSCRIBE has an Accept header
>> (application/load-control+xml) indicating it is accepting the load
>> control document specifying *load filters* as defined in this document.
>> The SUBSCRIBE body could be used to refine its subscription, e.g., only
>> to a subset of *load filters* (therefore is a filtering of the
>> subscription itself). If I have to come up with some examples, maybe it
>> could say something like "only subscribe to   *load filters* for
>> hurricane load spike". But we are not getting into those perspectives
>> (nor do I think we need to). Therefore, the sentence just states a
>> possibility that we are not using right now. I can clarify a bit if
>> needed.
>>
>
> I believe that S5.4.3 of rfc6665 concerns itself with asking designers
> of event control packages to define what type of event bodies are
> expected in SUBS/NOT requests.  The expectation, further, is that
> "these bodies will typically modify, expand, filter, throttle, and/or
> set thresholds for the class of events being requested."
>
> My interpretation of S5.4.3 of rfc6665 is that if I have a media type
> (and subtype) associated with my event package and that media type
> allows events further parameterized by parameters "bar" or "foo" (i.e.,
> I can filter events based on "bar" and "foo" and the resulting document
> upon changing the discriminator is distinct from before), I do not need
> to list these discrimination criteria.  The media type remains the same.
>
> Taking this further to your case, it does not matter whether you want
> to subscribe to load filters for a hurricane load spike or you want
> to subscribe to load filters for a mother's day load spike, your
> media type still remains "application/load-control+xml"**.
>
> Based on my understanding, you can remove the second paragraph in
> Section 5.3 of your document without any loss of generality.  It's
> appearance in the document now just adds to ambiguity (where, at least
> I can see, none exists).
>
> Thanks,
>
>
> - vijay
> --
> Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
> 1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60563 (USA)
> Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.**com<vijay.gurbani@alcatel-lucent.com>
> Web:   http://ect.bell-labs.com/who/**vkg/<http://ect.bell-labs.com/who/vkg/>
>

--e89a8fb1f188b10e7204d124b524
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Hi Vijay, I am fine with what you propose. Thanks!<div><br></div><div>Charl=
es<br><br><div class=3D"gmail_quote">On Mon, Dec 17, 2012 at 3:38 PM, Vijay=
 K. Gurbani <span dir=3D"ltr">&lt;<a href=3D"mailto:vkg@bell-labs.com" targ=
et=3D"_blank">vkg@bell-labs.com</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Charles: Please see inline.<div class=3D"im"=
><br>
<br>
On 12/15/2012 11:27 PM, Charles Shen wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
=C2=A0 =C2=A0 Second, I am not sure what the second to last paragraph (&quo=
t;A SUBSCRIBE<br>
=C2=A0 =C2=A0 request... are not yet defined.&quot;) in Section 5.3 means. =
=C2=A0Isn&#39;t what<br>
=C2=A0 =C2=A0 this draft is specifying a filter to throttle requests? =C2=
=A0Or am I<br>
=C2=A0 =C2=A0 missing something?<br>
<br>
No, this might be a confusion caused by the overloaded use of the word<br>
&quot;filter&quot;. The SUBSCRIBE has an Accept header<br>
(application/load-control+xml) indicating it is accepting the load<br>
control document specifying *load filters* as defined in this document.<br>
The SUBSCRIBE body could be used to refine its subscription, e.g., only<br>
to a subset of *load filters* (therefore is a filtering of the<br>
subscription itself). If I have to come up with some examples, maybe it<br>
could say something like &quot;only subscribe to =C2=A0 *load filters* for<=
br>
hurricane load spike&quot;. But we are not getting into those perspectives<=
br>
(nor do I think we need to). Therefore, the sentence just states a<br>
possibility that we are not using right now. I can clarify a bit if needed.=
<br>
</blockquote>
<br></div>
I believe that S5.4.3 of rfc6665 concerns itself with asking designers<br>
of event control packages to define what type of event bodies are<br>
expected in SUBS/NOT requests. =C2=A0The expectation, further, is that<br>
&quot;these bodies will typically modify, expand, filter, throttle, and/or<=
br>
set thresholds for the class of events being requested.&quot;<br>
<br>
My interpretation of S5.4.3 of rfc6665 is that if I have a media type<br>
(and subtype) associated with my event package and that media type<br>
allows events further parameterized by parameters &quot;bar&quot; or &quot;=
foo&quot; (i.e.,<br>
I can filter events based on &quot;bar&quot; and &quot;foo&quot; and the re=
sulting document<br>
upon changing the discriminator is distinct from before), I do not need<br>
to list these discrimination criteria. =C2=A0The media type remains the sam=
e.<br>
<br>
Taking this further to your case, it does not matter whether you want<br>
to subscribe to load filters for a hurricane load spike or you want<br>
to subscribe to load filters for a mother&#39;s day load spike, your<br>
media type still remains &quot;application/load-control+xml&quot;<u></u>.<b=
r>
<br>
Based on my understanding, you can remove the second paragraph in<br>
Section 5.3 of your document without any loss of generality. =C2=A0It&#39;s=
<br>
appearance in the document now just adds to ambiguity (where, at least<br>
I can see, none exists).<br>
<br>
Thanks,<div class=3D"HOEnZb"><div class=3D"h5"><br>
<br>
- vijay<br>
-- <br>
Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent<br>
1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60563 (USA)<br>
Email: vkg@{<a href=3D"http://bell-labs.com" target=3D"_blank">bell-labs.co=
m</a>,<a href=3D"http://acm.org" target=3D"_blank">acm.org</a>} / <a href=
=3D"mailto:vijay.gurbani@alcatel-lucent.com" target=3D"_blank">vijay.gurban=
i@alcatel-lucent.<u></u>com</a><br>


Web: =C2=A0 <a href=3D"http://ect.bell-labs.com/who/vkg/" target=3D"_blank"=
>http://ect.bell-labs.com/who/<u></u>vkg/</a><br>
</div></div></blockquote></div><br></div>

--e89a8fb1f188b10e7204d124b524--

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From: Charles Shen <charles@cs.columbia.edu>
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Subject: Re: [sip-overload] I-D Action: draft-ietf-soc-load-control-event-package-05.txt
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Hi Bruno, I noticed your comment, can we reach a consensus on this list so
I can update the draft accordingly?

Thanks!

Charles

On Mon, Dec 17, 2012 at 10:28 AM, <bruno.chatras@orange.com> wrote:

>  I agree that both drafts should use the same text but I=E2=80=99m still =
not sure
> to understand why we use =E2=80=9CSHOULD=E2=80=9D rather than =E2=80=9CMU=
ST=E2=80=9D?  Setting a local
> policy is optional but if there is one it seems to me that  SIP clients
> MUST honor it.****
>
> ** **
>
> ** **
>
> ** **
>
> *De :* sip-overload-bounces@ietf.org [mailto:sip-overload-bounces@ietf.or=
g]
> *De la part de* Charles Shen
> *Envoy=C3=A9 :* samedi 15 d=C3=A9cembre 2012 16:06
> *=C3=80 :* Janet P Gunn
> *Cc :* NOEL, ERIC (ERIC C); sip-overload-bounces@ietf.org;
> sip-overload@ietf.org; Arata Koike; Henning Schulzrinne
> *Objet :* Re: [sip-overload] I-D Action:
> draft-ietf-soc-load-control-event-package-05.txt****
>
> ** **
>
> Hi Janet, I will revise as suggested. Thanks you again!
>
> Charles****
>
> On Fri, Dec 14, 2012 at 3:56 PM, Janet P Gunn <jgunn6@csc.com> wrote:****
>
> You can count my review for IESG.
>
> I only have a couple of things to add.
>
> In section 4.4, you have the text:
> =E2=80=9CIn addition, whatever the actual policy is, SIP
>    servers SHOULD honor the local policy for prioritizing SIP requests
>    such as policies based on the contents of the Resource-Priority
>    Header (RPH) [RFC4412].  The RPH contents may indicate high priority
>    requests that should be preserved as much as possible, or low
>    priority requests that could be dropped during overload.  Other
>    indicators, such as the SOS Uniform Resource Name (URN) [RFC5031]
>    indicating an emergency request, may also be used for prioritization.=
=E2=80=9D
>
> During the last IETF meeting, there was an exchange on the list  about
> this wording (in multiple IDs) with apparent agreement (on the list) to u=
se
>  the same text in all the overload drafts
>
> "   A SIP client SHOULD honor any local policy for prioritizing SIP
>  requests such as policies based *on message type, e.g., INVITEs vs.*
> *  requests associated with existing sessions.*
>
>   *A SIP client SHOULD honor any local policy for prioritizing SIP *
> *  requests based* on the content of the Resource-
>  Priority header (RPH, RFC4412 [RFC4412]).  Specific (namespace.value)
>  RPH contents may indicate high priority requests that should be
>  preserved as much as possible during overload.  The RPH contents can
>  also indicate a low-priority request that is eligible to be dropped
>  during times of overload.
>
>  A SIP client SHOULD honor any local policy for prioritizing SIP
>  requests relating to emergency calls, as identified by the SOS
>  URN [RFC5031] indicating an emergency request."
>
> So would you please use this revised wording.
>
> nits
>
> Sec 5.8 last sentence of first paragraph
> =E2=80=9CA subscriber receiving the notification first installs
>    these rules and then filter incoming requests to enforce actions on
>    appropriate requests, for example, limiting the sending rate of call
>    requests destined for a specific SIP entity.=E2=80=9D
> =E2=80=9Cfilter=E2=80=9D should be =E2=80=9Cfilters=E2=80=9D
>
> Pg 18
> This
> =E2=80=9Cthis solution does not permit to define a filter that excludes
>    all E.164 numbers in that country but retain all short service
>    numbers.=E2=80=9D
> Should be
> =E2=80=9Cthis solution does not permit the definition of filter that excl=
udes
>    all E.164 numbers in that country but retain all short service
>    numbers.=E2=80=9D
>
> Janet
>
> This is a PRIVATE message. If you are not the intended recipient, please
> delete without copying and kindly advise us by e-mail of the mistake in
> delivery. NOTE: Regardless of content, this e-mail shall not operate to
> bind CSC to any order or other contract unless pursuant to explicit writt=
en
> agreement or government initiative expressly permitting the use of e-mail
> for such purpose.
>
>
>
> From:        "NOEL, ERIC  (ERIC C)" <ecnoel@research.att.com>
> To:        "'Charles Shen'" <charles@cs.columbia.edu>, "
> sip-overload@ietf.org" <sip-overload@ietf.org>
> Cc:        Arata Koike <koike.arata@lab.ntt.co.jp>, Henning Schulzrinne <
> hgs@cs.columbia.edu>
> Date:        12/13/2012 03:01 PM ****
>
> Subject:        Re: [sip-overload] I-D        Action:
>  draft-ietf-soc-load-control-event-package-05.txt ****
>
> Sent by:        sip-overload-bounces@ietf.org ****
>  ------------------------------
>
>
>
>
> Charles,
>
> I went through your latest version and have no comments beyond what was
> already posted.
>
> You can have my review counted for the IESG review.
>
> Thanks,
>
> Eric Noel
> *AT&T Labs, Inc.* *
> Rethink Possible*
> * *
> Network Design and Performance Analysis
> 200 South Laurel Avenue, D5-3D19
> Middletown, NJ 07748
> P: 732.420.4174
> ecnoel@att.com <jsmith@att.com>
>
> *From:* sip-overload-bounces@ietf.org [
> mailto:sip-overload-bounces@ietf.org <sip-overload-bounces@ietf.org>] *On
> Behalf Of *Charles Shen*
> Sent:* Monday, October 22, 2012 12:47 PM*
> To:* sip-overload@ietf.org*
> Cc:* Arata Koike; Henning Schulzrinne*
> Subject:* Re: [sip-overload] I-D Action:
> draft-ietf-soc-load-control-event-package-05.txt
>
> Hi all,
>
> I've submitted a new version of draft-ietf-soc-load-control-event-package=
.
>
> Diff is available at:
> http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-load-control-event-pack=
age-05
>
> This version should have incorporated responses to all comments received
> so far (please let me know if I missed anything). Main changes include
> adding: 6.3.3 (target-sip-entity, currently optional) 6.5.2 (example
> message flow), removing 5.12 (state agent), as well as changes and
> clarifications in a number of other sections, e.g., 6.3.2 (explicit list =
of
> method types subjected to control) 6.4 (using redirect as alternative
> action), 5.8 (terminating policies upon termination of subscription) and
> 13.2 PSTN references.
>
> Comments are welcome !
>
> Charles
>
>
>
> On Mon, Oct 22, 2012 at 12:32 PM, <internet-drafts@ietf.org> wrote:
>
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> This draft is a work item of the SIP Overload Control Working Group of th=
e
> IETF.
>
>        Title           : A Session Initiation Protocol (SIP) Load Control
> Event Package
>        Author(s)       : Charles Shen
>                          Henning Schulzrinne
>                          Arata Koike
>        Filename        : draft-ietf-soc-load-control-event-package-05.txt
>        Pages           : 39
>        Date            : 2012-10-22
>
> Abstract:
>   We define a load control event package for the Session Initiation
>   Protocol (SIP).  It allows SIP servers to distribute load filters to
>   other SIP servers in the network.  The load filters contain rules to
>   throttle calls based on their source or destination domain, telephone
>   number prefix or for a specific user.  The mechanism helps to prevent
>   signaling overload and complements feedback-based SIP overload
>   control efforts.
>
>
> The IETF datatracker status page for this draft is:*
> *
> https://datatracker.ietf.org/doc/draft-ietf-soc-load-control-event-packag=
e
>
> There's also a htmlized version available at:*
> *http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-05
>
> A diff from the previous version is available at:*
> *
> http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-load-control-event-pack=
age-05
>
>
> Internet-Drafts are also available by anonymous FTP at:*
> *ftp://ftp.ietf.org/internet-drafts/
>
> _______________________________________________
> sip-overload mailing list*
> *sip-overload@ietf.org*
> *https://www.ietf.org/mailman/listinfo/sip-overload
>  _______________________________________________
> sip-overload mailing list
> sip-overload@ietf.org
> https://www.ietf.org/mailman/listinfo/sip-overload****
>
> ** **
>
> _________________________________________________________________________=
________________________________________________
>
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> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages =
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> France Telecom - Orange decline toute responsabilite si ce message a ete =
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--f46d04479f0be72c1704d12c43e4
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Hi Bruno, I noticed your comment, can we reach a consensus on this list so =
I can update the draft accordingly?=C2=A0<div><br></div><div>Thanks!</div><=
div><br></div><div>Charles<br><br><div class=3D"gmail_quote">On Mon, Dec 17=
, 2012 at 10:28 AM,  <span dir=3D"ltr">&lt;<a href=3D"mailto:bruno.chatras@=
orange.com" target=3D"_blank">bruno.chatras@orange.com</a>&gt;</span> wrote=
:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">





<div lang=3D"FR" link=3D"blue" vlink=3D"purple">
<div>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">I agree th=
at both drafts should use the same text but I=E2=80=99m still not sure to u=
nderstand why we use =E2=80=9C</span><span lang=3D"EN-US" style=3D"font-siz=
e:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f49=
7d">SHOULD=E2=80=9D
 rather than =E2=80=9CMUST=E2=80=9D? =C2=A0Setting a local policy is option=
al but if there is one it seems to me that =C2=A0SIP clients MUST honor it.=
<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=C2=
=A0<u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=C2=
=A0<u></u></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt;font-=
family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=C2=
=A0<u></u></span></p>
<div style=3D"border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">De=C2=A0:</span></b><span style=3D"fo=
nt-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> <a h=
ref=3D"mailto:sip-overload-bounces@ietf.org" target=3D"_blank">sip-overload=
-bounces@ietf.org</a> [mailto:<a href=3D"mailto:sip-overload-bounces@ietf.o=
rg" target=3D"_blank">sip-overload-bounces@ietf.org</a>]
<b>De la part de</b> Charles Shen<br>
<b>Envoy=C3=A9=C2=A0:</b> samedi 15 d=C3=A9cembre 2012 16:06<br>
<b>=C3=80=C2=A0:</b> Janet P Gunn<br>
<b>Cc=C2=A0:</b> NOEL, ERIC (ERIC C); <a href=3D"mailto:sip-overload-bounce=
s@ietf.org" target=3D"_blank">sip-overload-bounces@ietf.org</a>; <a href=3D=
"mailto:sip-overload@ietf.org" target=3D"_blank">sip-overload@ietf.org</a>;=
 Arata Koike; Henning Schulzrinne<br>


<b>Objet=C2=A0:</b> Re: [sip-overload] I-D Action: draft-ietf-soc-load-cont=
rol-event-package-05.txt<u></u><u></u></span></p>
</div><div><div class=3D"h5">
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">Hi Janet, I will revi=
se as suggested. Thanks you again!<br>
<br>
Charles<u></u><u></u></p>
<div>
<p class=3D"MsoNormal">On Fri, Dec 14, 2012 at 3:56 PM, Janet P Gunn &lt;<a=
 href=3D"mailto:jgunn6@csc.com" target=3D"_blank">jgunn6@csc.com</a>&gt; wr=
ote:<u></u><u></u></p>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;">You can count my review for IESG.</span>
<br>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">I only=
 have a couple of things to add.</span>
<br>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">In sec=
tion 4.4, you have the text:</span>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">=E2=80=
=9CIn addition, whatever the actual policy is, SIP</span>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">=C2=A0=
 =C2=A0servers SHOULD honor the local policy for prioritizing SIP requests<=
/span>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">=C2=A0=
 =C2=A0such as policies based on the contents of the Resource-Priority</spa=
n>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">=C2=A0=
 =C2=A0Header (RPH) [RFC4412]. =C2=A0The RPH contents may indicate high pri=
ority</span>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">=C2=A0=
 =C2=A0requests that should be preserved as much as possible, or low</span>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">=C2=A0=
 =C2=A0priority requests that could be dropped during overload. =C2=A0Other=
</span>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">=C2=A0=
 =C2=A0indicators, such as the SOS Uniform Resource Name (URN) [RFC5031]</s=
pan>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">=C2=A0=
 =C2=A0indicating an emergency request, may also be used for prioritization=
.=E2=80=9D
</span><br>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">During=
 the last IETF meeting, there was an exchange on the list =C2=A0about this =
wording (in multiple IDs) with apparent agreement (on the list) to use =C2=
=A0the same text in all the overload drafts</span>
<br>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">&quot; =C2=A0 A SIP cli=
ent SHOULD honor any local policy for prioritizing SIP<br>
=C2=A0requests such as policies based <i>on message type, e.g., INVITEs vs.=
</i></span><span style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&=
quot;">
<br>
</span><i><span style=3D"font-family:&quot;Courier New&quot;">=C2=A0 reques=
ts associated with existing sessions.</span></i><span style=3D"font-family:=
&quot;Calibri&quot;,&quot;sans-serif&quot;">
<br>
</span><span style=3D"font-family:&quot;Courier New&quot;">=C2=A0 </span><s=
pan style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;">=C2=A0=
<br>
</span><span style=3D"font-family:&quot;Courier New&quot;">=C2=A0 <i>A SIP =
client SHOULD honor any local policy for prioritizing SIP
</i></span><br>
<i><span style=3D"font-family:&quot;Courier New&quot;">=C2=A0 requests base=
d</span></i><span style=3D"font-family:&quot;Courier New&quot;"> on the con=
tent of the Resource-<br>
=C2=A0Priority header (RPH, RFC4412 [RFC4412]). =C2=A0Specific (namespace.v=
alue)<br>
=C2=A0RPH contents may indicate high priority requests that should be<br>
=C2=A0preserved as much as possible during overload. =C2=A0The RPH contents=
 can<br>
=C2=A0also indicate a low-priority request that is eligible to be dropped<b=
r>
=C2=A0during times of overload. =C2=A0<br>
<br>
=C2=A0A SIP client SHOULD honor any local policy for prioritizing SIP <br>
=C2=A0requests relating to emergency calls, as identified by the SOS <br>
=C2=A0URN [RFC5031] indicating an emergency request.&quot;</span> <br>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">So would you please use=
 this revised wording.</span>
<br>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">nits</span> <br>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">Sec 5.8 last sentence o=
f first paragraph</span>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">=E2=80=9CA subscriber r=
eceiving the notification first installs</span>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">=C2=A0 =C2=A0these rule=
s and then filter incoming requests to enforce actions on</span>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">=C2=A0 =C2=A0appropriat=
e requests, for example, limiting the sending rate of call</span>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">=C2=A0 =C2=A0requests d=
estined for a specific SIP entity.=E2=80=9D</span>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">=E2=80=9Cfilter=E2=80=
=9D should be =E2=80=9Cfilters=E2=80=9D</span> <br>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">Pg 18</span> <br>
<span style=3D"font-family:&quot;Courier New&quot;">This</span> <br>
<span style=3D"font-family:&quot;Courier New&quot;">=E2=80=9Cthis solution =
does not permit to define a filter that excludes</span>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">=C2=A0 =C2=A0all E.164 =
numbers in that country but retain all short service</span>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">=C2=A0 =C2=A0numbers.=
=E2=80=9D</span> <br>
<span style=3D"font-family:&quot;Courier New&quot;">Should be</span> <br>
<span style=3D"font-family:&quot;Courier New&quot;">=E2=80=9Cthis solution =
does not permit the definition of filter that excludes</span>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">=C2=A0 =C2=A0all E.164 =
numbers in that country but retain all short service</span>
<br>
<span style=3D"font-family:&quot;Courier New&quot;">=C2=A0 =C2=A0numbers.=
=E2=80=9D</span> <br>
<br>
<span style=3D"font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Janet<=
br>
<br>
This is a PRIVATE message. If you are not the intended recipient, please de=
lete without copying and kindly advise us by e-mail of the mistake in deliv=
ery. NOTE: Regardless of content, this e-mail shall not operate to bind CSC=
 to any order or other contract
 unless pursuant to explicit written agreement or government initiative exp=
ressly permitting the use of e-mail for such purpose.</span>
<br>
<br>
<br>
<br>
<span style=3D"font-size:7.5pt;font-family:&quot;Arial&quot;,&quot;sans-ser=
if&quot;;color:#5f5f5f">From: =C2=A0 =C2=A0 =C2=A0 =C2=A0</span><span style=
=3D"font-size:7.5pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">&=
quot;NOEL, ERIC =C2=A0(ERIC C)&quot; &lt;<a href=3D"mailto:ecnoel@research.=
att.com" target=3D"_blank">ecnoel@research.att.com</a>&gt;</span>
<br>
<span style=3D"font-size:7.5pt;font-family:&quot;Arial&quot;,&quot;sans-ser=
if&quot;;color:#5f5f5f">To: =C2=A0 =C2=A0 =C2=A0 =C2=A0</span><span style=
=3D"font-size:7.5pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">&=
quot;&#39;Charles Shen&#39;&quot; &lt;<a href=3D"mailto:charles@cs.columbia=
.edu" target=3D"_blank">charles@cs.columbia.edu</a>&gt;,
 &quot;<a href=3D"mailto:sip-overload@ietf.org" target=3D"_blank">sip-overl=
oad@ietf.org</a>&quot; &lt;<a href=3D"mailto:sip-overload@ietf.org" target=
=3D"_blank">sip-overload@ietf.org</a>&gt;</span>
<br>
<span style=3D"font-size:7.5pt;font-family:&quot;Arial&quot;,&quot;sans-ser=
if&quot;;color:#5f5f5f">Cc: =C2=A0 =C2=A0 =C2=A0 =C2=A0</span><span style=
=3D"font-size:7.5pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">A=
rata Koike &lt;<a href=3D"mailto:koike.arata@lab.ntt.co.jp" target=3D"_blan=
k">koike.arata@lab.ntt.co.jp</a>&gt;,
 Henning Schulzrinne &lt;<a href=3D"mailto:hgs@cs.columbia.edu" target=3D"_=
blank">hgs@cs.columbia.edu</a>&gt;</span>
<br>
<span style=3D"font-size:7.5pt;font-family:&quot;Arial&quot;,&quot;sans-ser=
if&quot;;color:#5f5f5f">Date: =C2=A0 =C2=A0 =C2=A0 =C2=A0</span><span style=
=3D"font-size:7.5pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">1=
2/13/2012 03:01 PM</span>
<u></u><u></u></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:7.5pt;font-family:&quot;Ari=
al&quot;,&quot;sans-serif&quot;;color:#5f5f5f">Subject: =C2=A0 =C2=A0 =C2=
=A0 =C2=A0</span><span style=3D"font-size:7.5pt;font-family:&quot;Arial&quo=
t;,&quot;sans-serif&quot;">Re: [sip-overload] I-D =C2=A0 =C2=A0 =C2=A0 =C2=
=A0Action: =C2=A0 =C2=A0 =C2=A0 =C2=A0draft-ietf-soc-load-control-event-pac=
kage-05.txt</span>
<u></u><u></u></p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:7.5pt;font-family:&quot;Ari=
al&quot;,&quot;sans-serif&quot;;color:#5f5f5f">Sent by: =C2=A0 =C2=A0 =C2=
=A0 =C2=A0</span><span style=3D"font-size:7.5pt;font-family:&quot;Arial&quo=
t;,&quot;sans-serif&quot;"><a href=3D"mailto:sip-overload-bounces@ietf.org"=
 target=3D"_blank">sip-overload-bounces@ietf.org</a></span>
<u></u><u></u></p>
<div class=3D"MsoNormal" align=3D"center" style=3D"text-align:center">
<hr size=3D"2" width=3D"100%" noshade style=3D"color:#a0a0a0" align=3D"cent=
er">
</div>
<div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><br>
<br>
<br>
<span style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color=
:#004080">Charles,</span> <br>
<span style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color=
:#004080">=C2=A0</span> <br>
<span style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color=
:#004080">I went through your latest version and have no comments beyond wh=
at was already posted.</span>
<br>
<span style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color=
:#004080">=C2=A0</span> <br>
<span style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color=
:#004080">You can have my review counted for the IESG review.</span>
<br>
<span style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color=
:#004080">=C2=A0</span> <br>
<span style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color=
:#004080">Thanks,</span> <br>
<span style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color=
:#004080">=C2=A0</span> <br>
<span style=3D"font-size:7.5pt;font-family:&quot;Verdana&quot;,&quot;sans-s=
erif&quot;;color:#ff8100">Eric Noel</span><span style=3D"font-size:7.5pt;fo=
nt-family:&quot;Verdana&quot;,&quot;sans-serif&quot;;color:#5f5f5f">
</span><br>
<b><span style=3D"font-size:7.5pt;font-family:&quot;Verdana&quot;,&quot;san=
s-serif&quot;;color:#5f5f5f">AT&amp;T Labs, Inc.</span></b><span style=3D"f=
ont-size:7.5pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;;color=
:#5f5f5f">
</span><i><span style=3D"font-size:7.5pt;font-family:&quot;Verdana&quot;,&q=
uot;sans-serif&quot;;color:#00a1e0"><br>
Rethink Possible</span></i> <br>
<i><span style=3D"font-size:7.5pt;font-family:&quot;Verdana&quot;,&quot;san=
s-serif&quot;;color:#00a1e0">=C2=A0</span></i>
<br>
<span style=3D"font-size:7.5pt;font-family:&quot;Verdana&quot;,&quot;sans-s=
erif&quot;;color:#5f5f5f">Network Design and Performance Analysis<br>
200 South Laurel Avenue, D5-3D19<br>
Middletown, NJ 07748<br>
P: <a href=3D"tel:732.420.4174" target=3D"_blank">732.420.4174</a></span> <=
br>
<a href=3D"mailto:jsmith@att.com" target=3D"_blank"><span style=3D"font-siz=
e:7.5pt;font-family:&quot;Verdana&quot;,&quot;sans-serif&quot;">ecnoel@att.=
com</span></a>
<br>
<span style=3D"font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color=
:#004080">=C2=A0</span> <br>
<b><span style=3D"font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">Fr=
om:</span></b><span style=3D"font-family:&quot;Tahoma&quot;,&quot;sans-seri=
f&quot;">
<a href=3D"mailto:sip-overload-bounces@ietf.org" target=3D"_blank">sip-over=
load-bounces@ietf.org</a> [</span><a href=3D"mailto:sip-overload-bounces@ie=
tf.org" target=3D"_blank"><span style=3D"font-family:&quot;Tahoma&quot;,&qu=
ot;sans-serif&quot;">mailto:sip-overload-bounces@ietf.org</span></a><span s=
tyle=3D"font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">]
<b>On Behalf Of </b>Charles Shen<b><br>
Sent:</b> Monday, October 22, 2012 12:47 PM<b><br>
To:</b> <a href=3D"mailto:sip-overload@ietf.org" target=3D"_blank">sip-over=
load@ietf.org</a><b><br>
Cc:</b> Arata Koike; Henning Schulzrinne<b><br>
Subject:</b> Re: [sip-overload] I-D Action: draft-ietf-soc-load-control-eve=
nt-package-05.txt</span>
<br>
=C2=A0 <br>
Hi all, <br>
=C2=A0 <br>
I&#39;ve submitted a new version of draft-ietf-soc-load-control-event-packa=
ge. <br>
=C2=A0 <br>
Diff is available at: <a href=3D"http://www.ietf.org/rfcdiff?url2=3Ddraft-i=
etf-soc-load-control-event-package-05" target=3D"_blank">
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-load-control-event-packag=
e-05</a>
<br>
=C2=A0 <br>
This version should have incorporated responses to all comments received so=
 far (please let me know if I missed anything). Main changes include adding=
: 6.3.3 (target-sip-entity, currently optional) 6.5.2 (example message flow=
), removing 5.12 (state agent),
 as well as changes and clarifications in a number of other sections, e.g.,=
 6.3.2 (explicit list of method types subjected to control) 6.4 (using redi=
rect as alternative action), 5.8 (terminating policies upon termination of =
subscription) and 13.2 PSTN references.
<br>
=C2=A0 <br>
Comments are welcome ! <br>
=C2=A0 <br>
Charles <br>
=C2=A0 <br>
=C2=A0 <br>
=C2=A0 <br>
On Mon, Oct 22, 2012 at 12:32 PM, &lt;<a href=3D"mailto:internet-drafts@iet=
f.org" target=3D"_blank">internet-drafts@ietf.org</a>&gt; wrote:
<br>
<br>
A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.<br>
This draft is a work item of the SIP Overload Control Working Group of the =
IETF.<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0Title =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 : A Ses=
sion Initiation Protocol (SIP) Load Control Event Package<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0Author(s) =C2=A0 =C2=A0 =C2=A0 : Charles Shen<br=
>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0Henning Schulzrinne<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0Arata Koike<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0Filename =C2=A0 =C2=A0 =C2=A0 =C2=A0: draft-ietf=
-soc-load-control-event-package-05.txt<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0Pages =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 : 39<br=
>
=C2=A0 =C2=A0 =C2=A0 =C2=A0Date =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: =
2012-10-22<br>
<br>
Abstract:<br>
=C2=A0 We define a load control event package for the Session Initiation<br=
>
=C2=A0 Protocol (SIP). =C2=A0It allows SIP servers to distribute load filte=
rs to<br>
=C2=A0 other SIP servers in the network. =C2=A0The load filters contain rul=
es to<br>
=C2=A0 throttle calls based on their source or destination domain, telephon=
e<br>
=C2=A0 number prefix or for a specific user. =C2=A0The mechanism helps to p=
revent<br>
=C2=A0 signaling overload and complements feedback-based SIP overload<br>
=C2=A0 control efforts.<br>
<br>
<br>
The IETF datatracker status page for this draft is:<u><span style=3D"color:=
blue"><br>
</span></u><a href=3D"https://datatracker.ietf.org/doc/draft-ietf-soc-load-=
control-event-package" target=3D"_blank">https://datatracker.ietf.org/doc/d=
raft-ietf-soc-load-control-event-package</a><br>
<br>
There&#39;s also a htmlized version available at:<u><span style=3D"color:bl=
ue"><br>
</span></u><a href=3D"http://tools.ietf.org/html/draft-ietf-soc-load-contro=
l-event-package-05" target=3D"_blank">http://tools.ietf.org/html/draft-ietf=
-soc-load-control-event-package-05</a><br>
<br>
A diff from the previous version is available at:<u><span style=3D"color:bl=
ue"><br>
</span></u><a href=3D"http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-loa=
d-control-event-package-05" target=3D"_blank">http://www.ietf.org/rfcdiff?u=
rl2=3Ddraft-ietf-soc-load-control-event-package-05</a><br>
<br>
<br>
Internet-Drafts are also available by anonymous FTP at:<u><span style=3D"co=
lor:blue"><br>
</span></u><a href=3D"ftp://ftp.ietf.org/internet-drafts/" target=3D"_blank=
">ftp://ftp.ietf.org/internet-drafts/</a><br>
<br>
_______________________________________________<br>
sip-overload mailing list<u><span style=3D"color:blue"><br>
</span></u><a href=3D"mailto:sip-overload@ietf.org" target=3D"_blank">sip-o=
verload@ietf.org</a><u><span style=3D"color:blue"><br>
</span></u><a href=3D"https://www.ietf.org/mailman/listinfo/sip-overload" t=
arget=3D"_blank">https://www.ietf.org/mailman/listinfo/sip-overload</a>
<br>
=C2=A0<tt><span style=3D"font-size:10.0pt">________________________________=
_______________</span></tt><span style=3D"font-size:10.0pt;font-family:&quo=
t;Courier New&quot;"><br>
<tt>sip-overload mailing list</tt><br>
<tt><a href=3D"mailto:sip-overload@ietf.org" target=3D"_blank">sip-overload=
@ietf.org</a></tt><br>
</span><a href=3D"https://www.ietf.org/mailman/listinfo/sip-overload" targe=
t=3D"_blank"><tt><span style=3D"font-size:10.0pt">https://www.ietf.org/mail=
man/listinfo/sip-overload</span></tt></a><u></u><u></u></p>
</div>
</div>
</div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div></div></div>
<pre>______________________________________________________________________=
___________________________________________________

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</pre></div>

</blockquote></div><br></div>

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Subject: [sip-overload] I-D Action: draft-ietf-soc-load-control-event-package-06.txt
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A New Internet-Draft is available from the on-line Internet-Drafts director=
ies.
 This draft is a work item of the SIP Overload Control Working Group of the=
 IETF.

	Title           : A Session Initiation Protocol (SIP) Load Control Event P=
ackage
	Author(s)       : Charles Shen
                          Henning Schulzrinne
                          Arata Koike
	Filename        : draft-ietf-soc-load-control-event-package-06.txt
	Pages           : 40
	Date            : 2012-12-31

Abstract:
   We define a load control event package for the Session Initiation
   Protocol (SIP).  It allows SIP entities to distribute load filtering
   policies to other SIP entities in the network.  The load filtering
   policies contain rules to throttle calls based on their source or
   destination domain, telephone number prefix or for a specific user.
   The mechanism helps to prevent signaling overload and complements
   feedback-based SIP overload control efforts.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-soc-load-control-event-package

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-06

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-soc-load-control-event-packag=
e-06


Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From charles.newyork@gmail.com  Mon Dec 31 22:05:21 2012
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Dear all, Happy new year!!

And I have produced an updated version based on comments received in
the 2nd WGLC.

1. Terminology: after Shida's several comments on terminology
consistency and possible confusion, I decide to replace "load filter"
with "load filtering policies", so now we are distributing policies
instead of filters. And I consolidated other terms he mentioned, as
well as added a Definitions section.

2. As Vijay suggested, I clarified the meaning of "Notification with
empty body" which is used when a notifier needs to send a notification
but does not have any load filtering policies to convey at the moment.
Since "empty body" may lead to confusion over whether its a body with
empty contents or no body at all, the current wording uses a
"Notification request without a body", but its header needs to
indicate the correct Content-Type as if a body is present (e.g.,
application/load-control+xml) to give the subscriber a sense that the
notifier actually supports what the subscriber is looking for.

3. I put in the sentences proposed by Janet and Keith on handling
message prioritization in Section 6.8

http://www.ietf.org/mail-archive/web/sip-overload/current/msg00861.html

But there is still an openning thread from Bruno on whether we should
replace the SHOULD with MUST in these statements

http://www.ietf.org/mail-archive/web/sip-overload/current/msg00869.html

I will update if needed when finalized.

4. Various technical and editorial improvements based on online and
offline comments and another review.

Thanks!

Charles



---------- Forwarded message ----------
From:  <internet-drafts@ietf.org>
Date: Tue, Jan 1, 2013 at 12:56 AM
Subject: [sip-overload] I-D Action:
draft-ietf-soc-load-control-event-package-06.txt
To: i-d-announce@ietf.org
Cc: sip-overload@ietf.org



A New Internet-Draft is available from the on-line Internet-Drafts directories.
 This draft is a work item of the SIP Overload Control Working Group
of the IETF.

        Title           : A Session Initiation Protocol (SIP) Load
Control Event Package
        Author(s)       : Charles Shen
                          Henning Schulzrinne
                          Arata Koike
        Filename        : draft-ietf-soc-load-control-event-package-06.txt
        Pages           : 40
        Date            : 2012-12-31

Abstract:
   We define a load control event package for the Session Initiation
   Protocol (SIP).  It allows SIP entities to distribute load filtering
   policies to other SIP entities in the network.  The load filtering
   policies contain rules to throttle calls based on their source or
   destination domain, telephone number prefix or for a specific user.
   The mechanism helps to prevent signaling overload and complements
   feedback-based SIP overload control efforts.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-soc-load-control-event-package

There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-soc-load-control-event-package-06

A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-soc-load-control-event-package-06


Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

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