
From nobody Sun Nov  1 23:26:27 2015
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From: "Adrian Farrel" <adrian@olddog.co.uk>
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Date: Mon, 2 Nov 2015 07:26:18 -0000
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Subject: [I2nsf] Reminder on slides
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It seems to me that I2NSF meets tomorrow morning.

Having the slides before we sit down to chair the meeting will facilitate us
projecting the slides :-)
Having the slides before I go to bed tonight will make sure they are uploaded
and people can see them.

Not having the slides will make for an uncomfortable and embarrassing pause
before skipping your slot on the agenda.

Thanks!
Adrian


From nobody Mon Nov  2 15:46:51 2015
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From: Linda Dunbar <linda.dunbar@huawei.com>
To: "i2nsf@ietf.org" <i2nsf@ietf.org>
Thread-Topic: Link to the Etherpad note taking for today's I2NSF session
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Subject: [I2nsf] Link to the Etherpad note taking for today's I2NSF session
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Here is the link for taking meeting minutes for today's I2NSF  session:
http://etherpad.tools.ietf.org:9000/p/notes-ietf-94-i2nsf?useMonospaceFont=
=3Dtrue


Linda

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<p class=3D"MsoNormal">Here is the link for taking meeting minutes for toda=
y&#8217;s I2NSF &nbsp;session:
<o:p></o:p></p>
<p class=3D"MsoNormal"><a href=3D"http://etherpad.tools.ietf.org:9000/p/not=
es-ietf-94-i2nsf?useMonospaceFont=3Dtrue">http://etherpad.tools.ietf.org:90=
00/p/notes-ietf-94-i2nsf?useMonospaceFont=3Dtrue</a><o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Linda<o:p></o:p></p>
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From nobody Mon Nov  2 20:13:25 2015
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From: "Adrian Farrel" <adrian@olddog.co.uk>
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Date: Tue, 3 Nov 2015 04:13:12 -0000
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Subject: [I2nsf] Thanks for today's meting
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Just to reiterate...

Thanks to all for making today's meeting successful:
- everyone who prepared for the meeting
- the presenters who handled questions with grace and scurried when we asked
them to
- everyone who discussed so constructively in the meeting
- everyone who understood when we ran out of time for more questions

I'm not kidding when I say I can't recall such a constructive WG meeting in the
time I've been around the IETF.
So thanks and please carry this attitude forward in your work.

Adrian
--
Read my latest...
Tales from the Wood - Eighteen new fairy tales
http://www.feedaread.com/books/Tales-from-the-Wood-9781786100924.aspx
http://www.amazon.co.uk/Tales-Wood-Adrian-Farrel/dp/1786100924
Or buy from me direct.





From nobody Mon Nov  2 20:19:39 2015
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From: "Adrian Farrel" <adrian@olddog.co.uk>
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Subject: [I2nsf] Top-level actions from today's meeting
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Hi,

I took a note of the top-level actions taken away from the meeting this morning.
Don't let this preclude you also doing other work.

Ed to lead on a terminology document. Please contact Ed if you believe you have
cycles to help. Otherwise wait until he pushes something out and then review it.

Sue to merge problem statement document with use case and gap analysis document.
Also add a section on "outputs" or "outcomes" per discussion at the mic. Chairs
to move the merged document forward as a candidate for adoption to satisfy our
deliverable.

Chairs to ensure coordination with other WGs especially: SUPA, SFC, DOTS

John Strassner to send mail about framework document and some broken models
(John asked to be reminded :-)

WG to review and discuss documents and not wait for Buenos Aires to make
progress.

Everyone to use the wiki and issue tracker to help with the work.

Thanks!
Adrian


From nobody Mon Nov  9 10:01:25 2015
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From: Linda Dunbar <linda.dunbar@huawei.com>
To: "i2nsf@ietf.org" <i2nsf@ietf.org>
Thread-Topic: IETF94 I2NSF meeting minutes has been posted
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Thanks everyone for the productive meeting last week. Many thanks to Cathy =
Zhou, Diego Lopez, and Sue Hares for taking the minutes.

Here are the combined meeting minutes of the I2NSF session. Please let us k=
now if we missed anything: https://www.ietf.org/proceedings/94/minutes/minu=
tes-94-i2nsf

Cheers,

Linda and Adrian





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<p class=3D"MsoNormal">Thanks everyone for the productive meeting last week=
. Many thanks to Cathy Zhou, Diego Lopez, and Sue Hares for taking the minu=
tes.
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Here are the combined meeting minutes of the I2NSF s=
ession. Please let us know if we missed anything:
<a href=3D"https://www.ietf.org/proceedings/94/minutes/minutes-94-i2nsf">ht=
tps://www.ietf.org/proceedings/94/minutes/minutes-94-i2nsf</a><o:p></o:p></=
p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Cheers, <o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Linda and Adrian<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
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From nobody Mon Nov  9 12:13:22 2015
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From: Linda Dunbar <linda.dunbar@huawei.com>
To: Edward Lopez <elopez@fortinet.com>, "i2nsf@ietf.org" <i2nsf@ietf.org>
Thread-Topic: Controversial Terminologies that need to be clarified for I2NSF:
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Subject: [I2nsf] Controversial Terminologies that need to be clarified for I2NSF:
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Ed,



Since you volunteered for writing a draft to clarify the I1NSF terminologie=
s, I put down some controversial terminologies I have captured:



Object vs. Contextual State: both for describing the contextual or environm=
ent for the rule sets. WG needs to agree on one terminology.



Asymmetrical vs. Direction of traffic:

Some people use "Asymmetrical" & "symmetrical" to refer to the requirement =
of both directions of the traffic have to go through the same path. In anot=
her word: congruent paths for both directions.



"Direction" is also used by some people to refer to one direction of traffi=
c is allowed, where the other is not. E.g. A group can only originate traff=
ic and can only receive traffic for the responses of their own originated t=
raffic.





Differentiation from SFC:

SFC is about delivering traffic to the door. I2NSF is about how to treat pa=
ckets delivered to my door.

I2NSF is really focusing how to treat packets, but not how the traffic is d=
elivered to my door.


Thanks, Linda Dunbar


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<p class=3D"MsoPlainText">Ed, <o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText">Since you volunteered for writing a draft to clar=
ify the I1NSF terminologies, I put down some controversial terminologies I =
have captured:
<o:p></o:p></p>
<p class=3D"MsoPlainText"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Object vs. Contextual =
State: both for describing the contextual or environment for the rule sets.=
 WG needs to agree on one terminology.
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Asymmetrical vs. Direc=
tion of traffic:<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:1.0in">Some people use &#822=
0;Asymmetrical&#8221; &amp; &#8220;symmetrical&#8221; to refer to the requi=
rement of both directions of the traffic have to go through the same path. =
In another word: congruent paths for both directions.
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:1.0in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:1.0in">&#8220;Direction&#822=
1; is also used by some people to refer to one direction of traffic is allo=
wed, where the other is not. E.g. A group can only originate traffic and ca=
n only receive traffic for the responses of their
 own originated traffic. <o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:1.0in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:1.0in"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:.5in">Differentiation from S=
FC:<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:1.0in">SFC is about deliveri=
ng traffic to the door. I2NSF is about how to treat packets delivered to my=
 door.
<o:p></o:p></p>
<p class=3D"MsoPlainText" style=3D"margin-left:1.0in">I2NSF is really focus=
ing how to treat packets, but not how the traffic is delivered to my door.
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt">Thanks, Linda Du=
nbar<o:p></o:p></span></b></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
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From nobody Tue Nov 17 08:34:47 2015
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From: Linda Dunbar <linda.dunbar@huawei.com>
To: Susan Hares <shares@ndzh.com>
Thread-Topic: What does it mean by saying "federated policies"? 
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Sue,

During the I2NSF WG session in Yokohama, you asked a question (see the Meet=
ing minutes for the context):

Sue: my question: are you considering federate policies, or individual poli=
cies on top of another?

What does it mean by saying "federate policies"?

Thanks, Linda

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<p class=3D"MsoNormal">Sue, <o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">During the I2NSF WG session in Yokohama, you asked a=
 question (see the Meeting minutes for the context):
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal" style=3D"margin-left:.5in;mso-line-height-alt:8.0pt"=
><i><span style=3D"font-family:&quot;Courier New&quot;">Sue: my question: a=
re you considering federate policies, or individual policies on top of anot=
her?
<o:p></o:p></span></i></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">What does it mean by saying &#8220;federate policies=
&#8221;? <o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks, Linda <o:p></o:p></p>
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</body>
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From nobody Fri Nov 20 03:11:11 2015
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From: Rafa Marin Lopez <rafa@um.es>
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Dear all:

A few days ago we submitted a draft with the idea of the management of =
AAA infrastructures using SDN paradigm.

"Software-Defined Networking (SDN)-based AAA Infrastructures Management"

https://tools.ietf.org/html/draft-marin-sdnrg-sdn-aaa-mng-00

"This document describes the management of Authentication,
   Authorization and Accounting (AAA) infrasctrutures by means of a
   Software-Defined Network (SDN) controller and raises the requirements
   to support this service.  It considers the management of AAA routing
   and the establishment of security associations between AAA entities."

Any comment is welcome.

Best Regards.

-------------------------------------------------------
Rafael Marin Lopez, PhD
Dept. Information and Communications Engineering (DIIC)
Faculty of Computer Science-University of Murcia
30100 Murcia - Spain
Telf: +34868888501 Fax: +34868884151 e-mail: rafa@um.es
-------------------------------------------------------





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From: "Anil Kumar S N (VRP Network BL)" <anil.sn@huawei.com>
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Hi Authors,

          I was reading the draft for understanding and contributing toward=
s I2NSF working group and found few comments :


*         Introduction section :  I think all these use cases are merged as=
 "draft-pastor-i2nsf-merged-use-cases-00" request you to update the same

This document does not elaborate on specific use case. The reader
should refer to [I2NSF-ACCESS], [I2NSF-DC] and [I2NSF-Mobile] for a
more in-depth discussion on the I2NSF use cases.


*         Requirements Language, terms and acronyms section : We need to de=
scribe following abbreviations which are used in the documents as it the fi=
rst document
to be referred by any newcomer into I2NSF WG

IPS, IDS, ACL, FWs, AAA, CA, VNFpool, Etc...


*         3.1.1. Diverse types of Security Functions Section :  Below state=
ment is contradicting each other, I2NSF wants to standardize the interface =
to control the behavior of NSF
but doesn't want to standardize the interface which carries the information=
 of firewall filter and its application on specific flow. I Feel we could a=
dd more clarity on the scope of I2NSF with respect to
what is under its perview and what is not in this document if at all we wan=
t to talk about "what is needed" in this document.

     there is no need to standardize on how a
     firewall filters are created or applied. What is needed is having
     an interface to control and monitor the behavior of NSFs.



*         3.1.2.  Diverse Interface to monitor the behavior of NSFs :  Repa=
rsed as below

You Can't Monitor What You Can't See. So enabling a security function

(e.g., firewall [I-D.ietf-opsawg-firewalls]) does not mean that a network i=
s protected.

As such, it is necessary to have a mechanism to monitor and provide executi=
on status of NSFs to

security and compliance management tools. There exist various network secur=
ity monitoring vendor specific interfaces

for forensics and troubleshooting





*         Adding new section :

3.1.9 Lack of mechanism for Key Management/Deterministic Generation and Pro=
visioning for communicating protocols



There is a need for a framework/data model for a key management protocol th=
at may be used to create and manage session

keys for message authentication and integrity. As of now there is no much f=
ocus on an abstraction for keying information that describes the interface

between protocols, operators, and automated key management.



In March 2006, the Internet Architecture Board (IAB) held a workshop

on the topic of "Unwanted Internet Traffic".  The report from that workshop=
 is documented in RFC 4948 [RFC4948].

Section 8.1 of that document states that "A simple risk analysis would sugg=
est that an ideal attack target of minimal

cost but maximal disruption is the core routing infrastructure".  Section 8=
.2 calls for "Tightening the security of

the core routing infrastructure".



One of the four main steps were identified for that tightening the security=
 for the protocol packets on the wire.

It is concerned with guidelines for describing issues and techniques for pr=
otecting the messages between directly communicating peers.



Conceptually, when routing protocols send or receive messages, they

   might need to look up the key to use in this abstract key table.

   Conceptually, there must be an interface defined for a protocols to

   make requests of automated key management when it is being used; when

   keys become available, they might be made available in the key table.

   There might not be any requirement that this abstraction be used for

   implementation:



   1) I2NSF need to design the key table abstraction, the interface between

      key management protocols and routing/other protocols, and possibly

      security protocols at other layers.



   2) For each routing/other protocol, I2NSF need to define the mapping bet=
ween

      how the protocol represents key material and the protocol-

      independent key table abstraction.  When routing/other protocols shar=
e a

      common mechanism for authentication, such as the TCP

      Authentication Option, the same mapping is likely to be reused

      between protocols.  An implementation may be able to move much of

      the keying logic into code related to this shared authentication

      primitive rather than code specific to routing/other protocols.



   3) When designing automated key management for both symmetric keys

      and group keys, we will only need to use the abstractions designed ba=
sed on

      point 1 above to communicate between automated key management and

      routing/other protocols.



With Regards

Anil S N


"Be liberal in what you accept, and conservative in what you send" - Jon Po=
stel

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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">Hi Authors,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; I was reading the draft for understanding and contribu=
ting towards I2NSF working group and found few comments :<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:S=
ymbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &q=
uot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">Introduction section :&nbs=
p; I think all these use cases are merged as &#8220;draft-pastor-i2nsf-merg=
ed-use-cases-00&#8221; request you to update the same<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">This document does not elaborate o=
n specific use case. The reader<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">should refer to [I2NSF-ACCESS], [I=
2NSF-DC] and [I2NSF-Mobile] for a<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">more in-depth discussion on the I2=
NSF use cases.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:S=
ymbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &q=
uot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">Requirements Language, ter=
ms and acronyms section : We need to describe following abbreviations which=
 are used in the documents as it the first document
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">to be referred by any newcomer int=
o I2NSF WG<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">IPS, IDS, ACL, FWs, AAA, CA, VNFpo=
ol, Etc...<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:S=
ymbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &q=
uot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">3.1.1. Diverse types of Se=
curity Functions Section : &nbsp;Below statement is contradicting each othe=
r, I2NSF wants to standardize the interface to control the
 behavior of NSF <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">but doesn&#8217;t want to standard=
ize the interface which carries the information of firewall filter and its =
application on specific flow. I Feel we could add more clarity
 on the scope of I2NSF with respect to <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">what is under its perview and what=
 is not in this document if at all we want to talk about &#8220;what is nee=
ded&#8221; in this document.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp; there is =
no need to standardize on how a<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp; firewall =
filters are created or applied. What is needed is having<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp; an interf=
ace to control and monitor the behavior of NSFs.<span style=3D"color:black"=
><o:p></o:p></span></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;
<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:S=
ymbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &q=
uot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">3.1.2.&nbsp; Diverse Inter=
face to monitor the behavior of NSFs : &nbsp;Reparsed as below
<o:p></o:p></span></p>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black">You Can&#8217;t Monitor What You Can&#82=
17;t See. So enabling a security function <o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black">(e.g., firewall [I-D.ietf-opsawg-firewal=
ls]) does not mean that a network is protected. <o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black">As such, it is necessary to have a mecha=
nism to monitor and provide execution status of NSFs to<o:p></o:p></span></=
pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;">security and compliance management tools. There exis=
t various network security monitoring vendor specific interfaces <o:p></o:p=
></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;">for forensics and troubleshooting <o:p></o:p></span>=
</pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D"><o:p>&nbsp;</o:p></span></pre>
<pre style=3D"margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo=
2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:Symbol;=
color:#17365D"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:=
7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; </span></span></span><![endif]><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">Add=
ing new section :<o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">3.1.9 Lack of mechanism for Key Manage=
ment/Deterministic Generation and Provisioning for communicating protocols<=
o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">There is a need for a framework/data m=
odel for a key management protocol that may be used to create and manage se=
ssion<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">key=
s for message authentication and integrity. As of now there is no much focu=
s on an abstraction for keying information that describes the interface<o:p=
></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">bet=
ween protocols, operators, and automated key management.<o:p></o:p></span><=
/pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">In =
March 2006, the Internet Architecture Board (IAB) held a workshop<o:p></o:p=
></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">on =
the topic of &quot;Unwanted Internet Traffic&quot;.&nbsp; The report from t=
hat workshop is documented in RFC 4948 [RFC4948]. <o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">Sec=
tion 8.1 of that document states that &quot;A simple risk analysis would su=
ggest that an ideal attack target of minimal <o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">cos=
t but maximal disruption is the core routing infrastructure&quot;.&nbsp; Se=
ction 8.2 calls for &quot;Tightening the security of <o:p></o:p></span></pr=
e>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">the=
 core routing infrastructure&quot;.&nbsp; <o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">One=
 of the four main steps were identified for that tightening the security fo=
r the protocol packets on the wire.<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">It =
is concerned with guidelines for describing issues and techniques for prote=
cting the messages between directly communicating peers.<o:p></o:p></span><=
/pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:black"><o:p>=
&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">Con=
ceptually, when routing protocols send or receive messages, they<o:p></o:p>=
</span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; might need to look up the key to use in this abstract key table.<=
o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; Conceptually, there must be an interface defined for a protocols =
to<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; make requests of automated key management when it is being used; =
when<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; keys become available, they might be made available in the key ta=
ble.<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; There might not be any requirement that this abstraction be used =
for<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; implementation:<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; 1) I2NSF need to design the key table abstraction, the interface =
between<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; key management protocols and routing/other prot=
ocols, and possibly<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; security protocols at other layers.<o:p></o:p><=
/span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; 2) For each routing/other protocol, I2NSF need to define the mapp=
ing between<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; how the protocol represents key material and th=
e protocol-<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; independent key table abstraction.&nbsp; When r=
outing/other protocols share a<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; common mechanism for authentication, such as th=
e TCP<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; Authentication Option, the same mapping is like=
ly to be reused<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; between protocols.&nbsp; An implementation may =
be able to move much of<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; the keying logic into code related to this shar=
ed authentication<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; primitive rather than code specific to routing/=
other protocols.<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; 3) When designing automated key management for both symmetric key=
s<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; and group keys, we will only need to use the ab=
stractions designed based on<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; point 1 above to communicate between automated =
key management and<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; routing/other protocols.<o:p></o:p></span></pre=
>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:black">With =
Regards<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:black">Anil =
S N<o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black"><o:p>&nbsp;</o:p></span></pre>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&#8220;Be liberal in what you acce=
pt, and conservative in what you send&#8221; - Jon Postel<o:p></o:p></span>=
</p>
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From: Linda Dunbar <linda.dunbar@huawei.com>
To: "Anil Kumar S N (VRP Network BL)" <anil.sn@huawei.com>, "draft-dunbar-i2nsf-problem-statement-05@ietf.org" <draft-dunbar-i2nsf-problem-statement-05@ietf.org>
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Subject: Re: [I2nsf] Comments on draft-dunbar-i2nsf-problem-statement-05
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Anil,

Thank you very much for the comments. Reply are inserted below:


From: Anil Kumar S N (VRP Network BL)
Sent: Thursday, November 19, 2015 8:23 PM
To: draft-dunbar-i2nsf-problem-statement-05@ietf.org
Cc: Linda Dunbar; Jayaraghavendran k; i2nsf@ietf.org
Subject: Comments on draft-dunbar-i2nsf-problem-statement-05

Hi Authors,

          I was reading the draft for understanding and contributing toward=
s I2NSF working group and found few comments :


*       Introduction section :  I think all these use cases are merged as "=
draft-pastor-i2nsf-merged-use-cases-00" request you to update the same


This document does not elaborate on specific use case. The reader
should refer to [I2NSF-ACCESS], [I2NSF-DC] and [I2NSF-Mobile] for a
more in-depth discussion on the I2NSF use cases.

[Linda] you are correct. Actually all of them will be merged together with =
the problem statement.


*       Requirements Language, terms and acronyms section : We need to desc=
ribe following abbreviations which are used in the documents as it the firs=
t document
to be referred by any newcomer into I2NSF WG

IPS, IDS, ACL, FWs, AAA, CA, VNFpool, Etc...

[Linda] Good point. Has been added.



*       3.1.1. Diverse types of Security Functions Section :  Below stateme=
nt is contradicting each other, I2NSF wants to standardize the interface to=
 control the behavior of NSF
but doesn't want to standardize the interface which carries the information=
 of firewall filter and its application on specific flow. I Feel we could a=
dd more clarity on the scope of I2NSF with respect to
what is under its perview and what is not in this document if at all we wan=
t to talk about "what is needed" in this document.

     there is no need to standardize on how a
     firewall filters are created or applied. What is needed is having
     an interface to control and monitor the behavior of NSFs.
[Linda]  What in the I2NSF scope is "Rule Set" to those "Firewall filter".
How about this: "What is needed is having an interface to control and monit=
or the rule sets that NSFs use to treat packets traversing through."



*       3.1.2.  Diverse Interface to monitor the behavior of NSFs :  Repars=
ed as below

You Can't Monitor What You Can't See. So enabling a security function

(e.g., firewall [I-D.ietf-opsawg-firewalls]) does not mean that a network i=
s protected.

As such, it is necessary to have a mechanism to monitor and provide executi=
on status of NSFs to

security and compliance management tools. There exist various network secur=
ity monitoring vendor specific interfaces

for forensics and troubleshooting





*       Adding new section :

3.1.9 Lack of mechanism for Key Management/Deterministic Generation and Pro=
visioning for communicating protocols



[Linda] Do you see it as challenge facing providers? Or the customers?  Do =
you mean  "Lack of Mechanism for security keys distribution to NSFs by diff=
erent vendors"?





There is a need for a framework/data model for a key management protocol th=
at may be used to create and manage session



[Linda] You need to provide more wording: Manage What Session? Is it IPSec =
session ? is VPN session?

What do you think of this

"There is a need for controller to distribute various keys to distributed N=
SFs."





keys for message authentication and integrity. As of now there is no much f=
ocus on an abstraction for keying information that describes the interface

between protocols, operators, and automated key management.



In March 2006, the Internet Architecture Board (IAB) held a workshop

on the topic of "Unwanted Internet Traffic".  The report from that workshop=
 is documented in RFC 4948 [RFC4948].

Section 8.1 of that document states that "A simple risk analysis would sugg=
est that an ideal attack target of minimal

cost but maximal disruption is the core routing infrastructure".  Section 8=
.2 calls for "Tightening the security of

the core routing infrastructure".



One of the four main steps were identified for that tightening the security=
 for the protocol packets on the wire.

It is concerned with guidelines for describing issues and techniques for pr=
otecting the messages between directly communicating peers.



Conceptually, when routing protocols send or receive messages, they

   might need to look up the key to use in this abstract key table.

   Conceptually, there must be an interface defined for a protocols to

   make requests of automated key management when it is being used; when

   keys become available, they might be made available in the key table.

   There might not be any requirement that this abstraction be used for

   implementation:



   1) I2NSF need to design the key table abstraction, the interface between

      key management protocols and routing/other protocols, and possibly

      security protocols at other layers.



   2) For each routing/other protocol, I2NSF need to define the mapping bet=
ween

      how the protocol represents key material and the protocol-

      independent key table abstraction.  When routing/other protocols shar=
e a

      common mechanism for authentication, such as the TCP

      Authentication Option, the same mapping is likely to be reused

      between protocols.  An implementation may be able to move much of

      the keying logic into code related to this shared authentication

      primitive rather than code specific to routing/other protocols.



   3) When designing automated key management for both symmetric keys

      and group keys, we will only need to use the abstractions designed ba=
sed on

      point 1 above to communicate between automated key management and

      routing/other protocols.



With Regards

Anil S N


"Be liberal in what you accept, and conservative in what you send" - Jon Po=
stel

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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Anil, <o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Thank you very much fo=
r the comments. Reply are inserted below:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Anil Kum=
ar S N (VRP Network BL)
<br>
<b>Sent:</b> Thursday, November 19, 2015 8:23 PM<br>
<b>To:</b> draft-dunbar-i2nsf-problem-statement-05@ietf.org<br>
<b>Cc:</b> Linda Dunbar; Jayaraghavendran k; i2nsf@ietf.org<br>
<b>Subject:</b> Comments on draft-dunbar-i2nsf-problem-statement-05<o:p></o=
:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">Hi Authors,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; I was reading the draft for understanding and contribu=
ting towards I2NSF working group and found few comments :<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l0 level=
1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:Sy=
mbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &qu=
ot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">Introduction section :&nbs=
p; I think all these use cases are merged as &#8220;draft-pastor-i2nsf-merg=
ed-use-cases-00&#8221; request you to update the same<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><span style=3D"font-size=
:12.0pt;font-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;">This d=
ocument does not elaborate on specific use case. The reader<o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><span style=3D"font-size=
:12.0pt;font-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;">should=
 refer to [I2NSF-ACCESS], [I2NSF-DC] and [I2NSF-Mobile] for a<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal" style=3D"margin-left:1.0in"><span style=3D"font-size=
:12.0pt;font-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;">more i=
n-depth discussion on the I2NSF use cases.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Linda] you are correc=
t. Actually all of them will be merged together with the problem statement.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l0 level=
1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:Sy=
mbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &qu=
ot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">Requirements Language, ter=
ms and acronyms section : We need to describe following abbreviations which=
 are used in the documents as it the first document
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">to be referred by any newcomer int=
o I2NSF WG<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">IPS, IDS, ACL, FWs, AAA, CA, VNFpo=
ol, Etc...<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Linda] Good point. Ha=
s been added.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l0 level=
1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:Sy=
mbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &qu=
ot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">3.1.1. Diverse types of Se=
curity Functions Section : &nbsp;Below statement is contradicting each othe=
r, I2NSF wants to standardize the interface to control the
 behavior of NSF <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">but doesn&#8217;t want to standard=
ize the interface which carries the information of firewall filter and its =
application on specific flow. I Feel we could add more clarity
 on the scope of I2NSF with respect to <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">what is under its perview and what=
 is not in this document if at all we want to talk about &#8220;what is nee=
ded&#8221; in this document.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp; there is =
no need to standardize on how a<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp; firewall =
filters are created or applied. What is needed is having<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp; an interf=
ace to control and monitor the behavior of NSFs.<span style=3D"color:black"=
><o:p></o:p></span></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Linda] &nbsp;What in =
the I2NSF scope is &#8220;Rule Set&#8221; to those &#8220;Firewall filter&#=
8221;.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">How about this: &#8220=
;What is needed is having an interface to control and monitor the rule sets=
 that NSFs use to treat packets traversing through.&#8221;<o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;
<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-.25in;mso-list:l0 level=
1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:Sy=
mbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &qu=
ot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">3.1.2.&nbsp; Diverse Inter=
face to monitor the behavior of NSFs : &nbsp;Reparsed as below
<o:p></o:p></span></p>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black">You Can&#8217;t Monitor What You Can&#82=
17;t See. So enabling a security function <o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black">(e.g., firewall [I-D.ietf-opsawg-firewal=
ls]) does not mean that a network is protected. <o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black">As such, it is necessary to have a mecha=
nism to monitor and provide execution status of NSFs to<o:p></o:p></span></=
pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;">security and compliance management tools. There exis=
t various network security monitoring vendor specific interfaces <o:p></o:p=
></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;">for forensics and troubleshooting <o:p></o:p></span>=
</pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D"><o:p>&nbsp;</o:p></span></pre>
<pre style=3D"margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo2">=
<![if !supportLists]><span style=3D"font-size:12.0pt;font-family:Symbol;col=
or:#17365D"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0=
pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span=
></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:&quot;=
Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">Adding new section=
 :<o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">3.1.9 Lack of mechanism for Key Manage=
ment/Deterministic Generation and Provisioning for communicating protocols<=
o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D">[Linda] Do you see it as challenge facing p=
roviders? Or the customers? &nbsp;Do you mean &nbsp;&#8220;Lack of Mechanis=
m for security keys distribution to NSFs by different vendors&#8221;? <o:p>=
</o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">There is a need for a framework/data m=
odel for a key management protocol that may be used to create and manage se=
ssion<o:p></o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D">[Linda] You need to provide more wording: M=
anage What Session? Is it IPSec session ? is VPN session? <o:p></o:p></span=
></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D">What do you think of this <o:p></o:p></span=
></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D">&#8220;There is a need for controller to di=
stribute various keys to distributed NSFs.&#8221; <o:p></o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">key=
s for message authentication and integrity. As of now there is no much focu=
s on an abstraction for keying information that describes the interface<o:p=
></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">bet=
ween protocols, operators, and automated key management.<o:p></o:p></span><=
/pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">In =
March 2006, the Internet Architecture Board (IAB) held a workshop<o:p></o:p=
></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">on =
the topic of &quot;Unwanted Internet Traffic&quot;.&nbsp; The report from t=
hat workshop is documented in RFC 4948 [RFC4948]. <o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">Sec=
tion 8.1 of that document states that &quot;A simple risk analysis would su=
ggest that an ideal attack target of minimal <o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">cos=
t but maximal disruption is the core routing infrastructure&quot;.&nbsp; Se=
ction 8.2 calls for &quot;Tightening the security of <o:p></o:p></span></pr=
e>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">the=
 core routing infrastructure&quot;.&nbsp; <o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">One=
 of the four main steps were identified for that tightening the security fo=
r the protocol packets on the wire.<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">It =
is concerned with guidelines for describing issues and techniques for prote=
cting the messages between directly communicating peers.<o:p></o:p></span><=
/pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:black"><o:p>=
&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">Con=
ceptually, when routing protocols send or receive messages, they<o:p></o:p>=
</span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; might need to look up the key to use in this abstract key table.<=
o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; Conceptually, there must be an interface defined for a protocols =
to<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; make requests of automated key management when it is being used; =
when<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; keys become available, they might be made available in the key ta=
ble.<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; There might not be any requirement that this abstraction be used =
for<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; implementation:<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; 1) I2NSF need to design the key table abstraction, the interface =
between<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; key management protocols and routing/other prot=
ocols, and possibly<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; security protocols at other layers.<o:p></o:p><=
/span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; 2) For each routing/other protocol, I2NSF need to define the mapp=
ing between<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; how the protocol represents key material and th=
e protocol-<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; independent key table abstraction.&nbsp; When r=
outing/other protocols share a<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; common mechanism for authentication, such as th=
e TCP<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; Authentication Option, the same mapping is like=
ly to be reused<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; between protocols.&nbsp; An implementation may =
be able to move much of<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; the keying logic into code related to this shar=
ed authentication<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; primitive rather than code specific to routing/=
other protocols.<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp; 3) When designing automated key management for both symmetric key=
s<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; and group keys, we will only need to use the ab=
stractions designed based on<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; point 1 above to communicate between automated =
key management and<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; routing/other protocols.<o:p></o:p></span></pre=
>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:black">With =
Regards<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:black">Anil =
S N<o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black"><o:p>&nbsp;</o:p></span></pre>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&#8220;Be liberal in what you acce=
pt, and conservative in what you send&#8221; - Jon Postel<o:p></o:p></span>=
</p>
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From: DIEGO LOPEZ GARCIA <diego.r.lopez@telefonica.com>
To: "Anil Kumar S N (VRP Network BL)" <anil.sn@huawei.com>
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From: Sumandra Majee <S.Majee@F5.com>
To: DIEGO LOPEZ GARCIA <diego.r.lopez@telefonica.com>
Thread-Topic: [I2nsf] Comments on draft-dunbar-i2nsf-problem-statement-05
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Cc: Jayaraghavendran k <jayaraghavendran.k@huawei.com>, "Anil Kumar S N \(VRP Network BL\)" <anil.sn@huawei.com>, "i2nsf@ietf.org" <i2nsf@ietf.org>, "draft-dunbar-i2nsf-problem-statement-05@ietf.org" <draft-dunbar-i2nsf-problem-statement-05@ietf.org>, Linda Dunbar <linda.dunbar@huawei.com>
Subject: Re: [I2nsf] Comments on draft-dunbar-i2nsf-problem-statement-05
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Agree that FW IDS IPS etc are commonly understood network component and try=
ing to define them here might lead to more confusion. Having a section for =
abbreviation is ok.

Sent from my iPhone

On Nov 21, 2015, at 4:28 AM, DIEGO LOPEZ GARCIA <diego.r.lopez@telefonica.c=
om<mailto:diego.r.lopez@telefonica.com>> wrote:

Hi,

A couple of comments in line below=85

On 20 Nov 2015, at 03:22 , Anil Kumar S N (VRP Network BL) <anil.sn@huawei.=
com<mailto:anil.sn@huawei.com>> wrote:
=95         Requirements Language, terms and acronyms section : We need to =
describe following abbreviations which are used in the documents as it the =
first document
to be referred by any newcomer into I2NSF WG

IPS, IDS, ACL, FWs, AAA, CA, VNFpool, Etc=85

DRL> I disagree. Terms like IDS, AAA, ACL or CA are well defined elsewhere,=
 have been of common usage for quite a while, and there is no advantage in =
redefining them in this document. For what is worth, we could need to defin=
e terms like =93network=94 or =93TCP=94=85 There may be others like VNFpool=
 that would need a definition because they are by no means widespread, thou=
gh in those case we should first consider whether the term makes sense in t=
he document, which I=92d say it is not the case for =93VNFpool=94 in partic=
ular.


=95         Adding new section :

3.1.9 Lack of mechanism for Key Management/Deterministic Generation and Pro=
visioning for communicating protocols



There is a need for a framework/data model for a key management protocol th=
at may be used to create and manage session

keys for message authentication and integrity. As of now there is no much f=
ocus on an abstraction for keying information that describes the interface

between protocols, operators, and automated key management.



In March 2006, the Internet Architecture Board (IAB) held a workshop

on the topic of "Unwanted Internet Traffic".  The report from that workshop=
 is documented in RFC 4948 [RFC4948].

Section 8.1 of that document states that "A simple risk analysis would sugg=
est that an ideal attack target of minimal

cost but maximal disruption is the core routing infrastructure".  Section 8=
.2 calls for "Tightening the security of

the core routing infrastructure".



One of the four main steps were identified for that tightening the security=
 for the protocol packets on the wire.

It is concerned with guidelines for describing issues and techniques for pr=
otecting the messages between directly communicating peers.



Conceptually, when routing protocols send or receive messages, they

   might need to look up the key to use in this abstract key table.

   Conceptually, there must be an interface defined for a protocols to

   make requests of automated key management when it is being used; when

   keys become available, they might be made available in the key table.

   There might not be any requirement that this abstraction be used for

   implementation:



   1) I2NSF need to design the key table abstraction, the interface between

      key management protocols and routing/other protocols, and possibly

      security protocols at other layers.



   2) For each routing/other protocol, I2NSF need to define the mapping bet=
ween

      how the protocol represents key material and the protocol-

      independent key table abstraction.  When routing/other protocols shar=
e a

      common mechanism for authentication, such as the TCP

      Authentication Option, the same mapping is likely to be reused

      between protocols.  An implementation may be able to move much of

      the keying logic into code related to this shared authentication

      primitive rather than code specific to routing/other protocols.



   3) When designing automated key management for both symmetric keys

      and group keys, we will only need to use the abstractions designed ba=
sed on

      point 1 above to communicate between automated key management and

      routing/other protocols.

DRL> As Linda said, you should clarify what is the purpose for this. The in=
tent of I2NSF is not to define new security functions, but to define an int=
erface to them. And I=92d say you are proposing the definition of a new key=
 management service to be used by routing and other protocols.

Be goode,

--
"Esta vez no fallaremos, Doctor Infierno"

Dr Diego R. Lopez
Telefonica I+D
http://people.tid.es/diego.lopez/

e-mail: diego.r.lopez@telefonica.com<mailto:diego.r.lopez@telefonica.com>
Tel:    +34 913 129 041
Mobile: +34 682 051 091
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<body dir=3D"auto">
<div>Agree that FW IDS IPS etc are commonly understood network component an=
d trying to define them here might lead to more confusion. Having a section=
 for abbreviation is ok.&nbsp;<br>
<br>
Sent from my iPhone</div>
<div><br>
On Nov 21, 2015, at 4:28 AM, DIEGO LOPEZ GARCIA &lt;<a href=3D"mailto:diego=
.r.lopez@telefonica.com">diego.r.lopez@telefonica.com</a>&gt; wrote:<br>
<br>
</div>
<blockquote type=3D"cite">
<div>Hi,
<div class=3D""><br class=3D"">
</div>
<div class=3D"">A couple of comments in line below=85</div>
<div class=3D""><br class=3D"">
<div>
<blockquote type=3D"cite" class=3D"">
<div class=3D"">On 20 Nov 2015, at 03:22 , Anil Kumar S N (VRP Network BL) =
&lt;<a href=3D"mailto:anil.sn@huawei.com" class=3D"">anil.sn@huawei.com</a>=
&gt; wrote:</div>
<div class=3D"">
<div class=3D"WordSection1" style=3D"page: WordSection1; font-family: Lucid=
aGrande; font-size: 11px; font-style: normal; font-variant: normal; font-we=
ight: normal; letter-spacing: normal; line-height: normal; orphans: auto; t=
ext-align: start; text-indent: 0px; text-transform: none; white-space: norm=
al; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">
<div style=3D"margin: 0cm 0cm 0.0001pt 36pt; font-size: 11pt; font-family: =
Calibri, sans-serif; text-indent: -18pt;" class=3D"">
<span style=3D"font-size: 12pt; font-family: Symbol;" class=3D""><span clas=
s=3D"">=B7<span style=3D"font-style: normal; font-variant: normal; font-wei=
ght: normal; font-size: 7pt; line-height: normal; font-family: 'Times New R=
oman';" class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span cl=
ass=3D"Apple-converted-space">&nbsp;</span></span></span></span><span style=
=3D"font-size: 12pt; font-family: 'Bookman Old Style', serif;" class=3D"">R=
equirements
 Language, terms and acronyms section : We need to describe following abbre=
viations which are used in the documents as it the first document<o:p class=
=3D""></o:p></span></div>
<div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;" class=3D"">
<span style=3D"font-size: 12pt; font-family: 'Bookman Old Style', serif;" c=
lass=3D"">to be referred by any newcomer into I2NSF WG<o:p class=3D""></o:p=
></span></div>
<div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;" class=3D"">
<span style=3D"font-size: 12pt; font-family: 'Bookman Old Style', serif;" c=
lass=3D"">&nbsp;</span></div>
<div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;" class=3D"">
<span style=3D"font-size: 12pt; font-family: 'Bookman Old Style', serif;" c=
lass=3D"">IPS, IDS, ACL, FWs, AAA, CA, VNFpool, Etc=85</span></div>
</div>
</div>
</blockquote>
<div><br class=3D"">
</div>
<div>DRL&gt; I disagree. Terms like IDS, AAA, ACL or CA are well defined el=
sewhere, have been of common usage for quite a while, and there is no advan=
tage in redefining them in this document. For what is worth, we could need =
to define terms like =93network=94 or =93TCP=94=85
 There may be others like VNFpool that would need a definition because they=
 are by no means widespread, though in those case we should first consider =
whether the term makes sense in the document, which I=92d say it is not the=
 case for =93VNFpool=94 in particular.</div>
<br class=3D"">
<blockquote type=3D"cite" class=3D"">
<div class=3D"WordSection1" style=3D"page: WordSection1; font-family: Lucid=
aGrande; font-size: 11px; font-style: normal; font-variant: normal; font-we=
ight: normal; letter-spacing: normal; line-height: normal; orphans: auto; t=
ext-align: start; text-indent: 0px; text-transform: none; white-space: norm=
al; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">
<div style=3D"margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calib=
ri, sans-serif;" class=3D"">
<span style=3D"font-size: 12pt; font-family: 'Bookman Old Style', serif;" c=
lass=3D""><o:p class=3D""></o:p></span></div>
<pre style=3D"margin: 0cm 0cm 0.0001pt 36pt; font-size: 10pt; font-family: =
'Courier New'; text-indent: -18pt;" class=3D""><span style=3D"font-size: 12=
pt; font-family: Symbol; color: rgb(23, 54, 93);" class=3D""><span class=3D=
"">=B7<span style=3D"font-style: normal; font-variant: normal; font-weight:=
 normal; font-size: 7pt; line-height: normal; font-family: 'Times New Roman=
';" class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></sp=
an></span><span style=3D"font-size: 12pt; font-family: 'Bookman Old Style',=
 serif; color: rgb(23, 54, 93);" class=3D"">Adding new section :<o:p class=
=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New';" class=3D""><span style=3D"font-size: 12pt; font-family: 'Bookman=
 Old Style', serif; color: rgb(23, 54, 93);" class=3D"">3.1.9 Lack of mecha=
nism for Key Management/Deterministic Generation and Provisioning for commu=
nicating protocols<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New';" class=3D""><span style=3D"font-size: 12pt; font-family: 'Bookman=
 Old Style', serif; color: rgb(23, 54, 93);" class=3D"">&nbsp;</span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New';" class=3D""><span style=3D"font-size: 12pt; font-family: 'Bookman=
 Old Style', serif; color: rgb(23, 54, 93);" class=3D"">There is a need for=
 a framework/data model for a key management protocol that may be used to c=
reate and manage session<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">keys for message authentication and integrity. As of now there is n=
o much focus on an abstraction for keying information that describes the in=
terface<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">between protocols, operators, and automated key management.<o:p cla=
ss=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;</span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">In March 2006, the Internet Architecture Board (IAB) held a worksho=
p<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">on the topic of &quot;Unwanted Internet Traffic&quot;.&nbsp; The re=
port from that workshop is documented in RFC 4948 [RFC4948]. <o:p class=3D"=
"></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">Section 8.1 of that document states that &quot;A simple risk analys=
is would suggest that an ideal attack target of minimal <o:p class=3D""></o=
:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">cost but maximal disruption is the core routing infrastructure&quot=
;.&nbsp; Section 8.2 calls for &quot;Tightening the security of <o:p class=
=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">the core routing infrastructure&quot;.&nbsp; <o:p class=3D""></o:p>=
</span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;</span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">One of the four main steps were identified for that tightening the =
security for the protocol packets on the wire.<o:p class=3D""></o:p></span>=
</pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">It is concerned with guidelines for describing issues and technique=
s for protecting the messages between directly communicating peers.<o:p cla=
ss=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif;" class=3D"">&nbsp;</span></p=
re>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">Conceptually, when routing protocols send or receive messages, they=
<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp; might need to look up the key to use in this abstract =
key table.<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp; Conceptually, there must be an interface defined for a=
 protocols to<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp; make requests of automated key management when it is b=
eing used; when<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp; keys become available, they might be made available in=
 the key table.<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp; There might not be any requirement that this abstracti=
on be used for<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp; implementation:<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;</span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp; 1) I2NSF need to design the key table abstraction, the=
 interface between<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; key management protocols and routing=
/other protocols, and possibly<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; security protocols at other layers.<=
o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;</span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp; 2) For each routing/other protocol, I2NSF need to defi=
ne the mapping between<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; how the protocol represents key mate=
rial and the protocol-<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; independent key table abstraction.&n=
bsp; When routing/other protocols share a<o:p class=3D""></o:p></span></pre=
>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; common mechanism for authentication,=
 such as the TCP<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Authentication Option, the same mapp=
ing is likely to be reused<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; between protocols.&nbsp; An implemen=
tation may be able to move much of<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; the keying logic into code related t=
o this shared authentication<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; primitive rather than code specific =
to routing/other protocols.<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;</span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp; 3) When designing automated key management for both sy=
mmetric keys<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; and group keys, we will only need to=
 use the abstractions designed based on<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; point 1 above to communicate between=
 automated key management and<o:p class=3D""></o:p></span></pre>
<pre style=3D"margin: 0cm 0cm 0.0001pt; font-size: 10pt; font-family: 'Cour=
ier New'; page-break-before: always;" class=3D""><span style=3D"font-size: =
12pt; font-family: 'Bookman Old Style', serif; color: rgb(23, 54, 93);" cla=
ss=3D"">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; routing/other protocols.<o:p class=
=3D""></o:p></span></pre>
</div>
</blockquote>
<br class=3D"">
</div>
<div>DRL&gt; As Linda said, you should clarify what is the purpose for this=
. The intent of I2NSF is not to define new security functions, but to defin=
e an interface to them. And I=92d say you are proposing the definition of a=
 new key management service to be used
 by routing and other protocols.</div>
<div class=3D""><br class=3D"">
</div>
Be goode,</div>
<div class=3D""><br class=3D"">
<div apple-content-edited=3D"true" class=3D"">
<div style=3D"color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; t=
ext-align: start; text-indent: 0px; text-transform: none; white-space: norm=
al; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-w=
rap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-=
space;" class=3D"">
--<br class=3D"">
&quot;Esta vez no fallaremos, Doctor Infierno&quot;<br class=3D"">
<br class=3D"">
Dr Diego R. Lopez<br class=3D"">
Telefonica I&#43;D<br class=3D"">
<a href=3D"http://people.tid.es/diego.lopez/" class=3D"">http://people.tid.=
es/diego.lopez/</a><br class=3D"">
<br class=3D"">
e-mail: <a href=3D"mailto:diego.r.lopez@telefonica.com">diego.r.lopez@telef=
onica.com</a><br class=3D"">
Tel: &nbsp; &nbsp;&#43;34 913 129 041<br class=3D"">
Mobile: &#43;34 682 051 091<br class=3D"">
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From: "Anil Kumar S N (VRP Network BL)" <anil.sn@huawei.com>
To: Linda Dunbar <linda.dunbar@huawei.com>, "draft-dunbar-i2nsf-problem-statement-05@ietf.org" <draft-dunbar-i2nsf-problem-statement-05@ietf.org>
Thread-Topic: Comments on draft-dunbar-i2nsf-problem-statement-05
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Hi Linda,

Reply is inline.

Thanks & Regards
Anil S N

"Be liberal in what you accept, and conservative in what you send" - Jon Po=
stel


From: Linda Dunbar
Sent: 21 November 2015 06:07
To: Anil Kumar S N (VRP Network BL); draft-dunbar-i2nsf-problem-statement-0=
5@ietf.org
Cc: Jayaraghavendran k; i2nsf@ietf.org
Subject: RE: Comments on draft-dunbar-i2nsf-problem-statement-05

Anil,

Thank you very much for the comments. Reply are inserted below:


From: Anil Kumar S N (VRP Network BL)
Sent: Thursday, November 19, 2015 8:23 PM
To: draft-dunbar-i2nsf-problem-statement-05@ietf.org<mailto:draft-dunbar-i2=
nsf-problem-statement-05@ietf.org>
Cc: Linda Dunbar; Jayaraghavendran k; i2nsf@ietf.org<mailto:i2nsf@ietf.org>
Subject: Comments on draft-dunbar-i2nsf-problem-statement-05

Hi Authors,

          I was reading the draft for understanding and contributing toward=
s I2NSF working group and found few comments :


*         Introduction section :  I think all these use cases are merged as=
 "draft-pastor-i2nsf-merged-use-cases-00" request you to update the same


This document does not elaborate on specific use case. The reader
should refer to [I2NSF-ACCESS], [I2NSF-DC] and [I2NSF-Mobile] for a
more in-depth discussion on the I2NSF use cases.

[Linda] you are correct. Actually all of them will be merged together with =
the problem statement.


*         Requirements Language, terms and acronyms section : We need to de=
scribe following abbreviations which are used in the documents as it the fi=
rst document
to be referred by any newcomer into I2NSF WG

IPS, IDS, ACL, FWs, AAA, CA, VNFpool, Etc...

[Linda] Good point. Has been added.



*         3.1.1. Diverse types of Security Functions Section :  Below state=
ment is contradicting each other, I2NSF wants to standardize the interface =
to control the behavior of NSF
but doesn't want to standardize the interface which carries the information=
 of firewall filter and its application on specific flow. I Feel we could a=
dd more clarity on the scope of I2NSF with respect to
what is under its perview and what is not in this document if at all we wan=
t to talk about "what is needed" in this document.

     there is no need to standardize on how a
     firewall filters are created or applied. What is needed is having
     an interface to control and monitor the behavior of NSFs.
[Linda]  What in the I2NSF scope is "Rule Set" to those "Firewall filter".
How about this: "What is needed is having an interface to control and monit=
or the rule sets that NSFs use to treat packets traversing through."
[[Anil >>]] Sounds good


*         3.1.2.  Diverse Interface to monitor the behavior of NSFs :  Repa=
rsed as below

You Can't Monitor What You Can't See. So enabling a security function

(e.g., firewall [I-D.ietf-opsawg-firewalls]) does not mean that a network i=
s protected.

As such, it is necessary to have a mechanism to monitor and provide executi=
on status of NSFs to

security and compliance management tools. There exist various network secur=
ity monitoring vendor specific interfaces

for forensics and troubleshooting





*         Adding new section :

3.1.9 Lack of mechanism for Key Management/Deterministic Generation and Pro=
visioning for communicating protocols



[Linda] Do you see it as challenge facing providers? Or the customers?  Do =
you mean  "Lack of Mechanism for security keys distribution to NSFs by diff=
erent vendors"?





There is a need for a framework/data model for a key management protocol th=
at may be used to create and manage session



[Linda] You need to provide more wording: Manage What Session? Is it IPSec =
session ? is VPN session?

What do you think of this

"There is a need for controller to distribute various keys to distributed N=
SFs."



[[Anil >>]] Agreed, Will rephrase; Idea is that there are many key manageme=
nt methods and KDF (key derivation function) exist

but there is a need for standardizing the interface to provision and manage=
 it.  Here any two communicating protocols could use same KDF

to deterministically derive keys and  to communicate. The reference to sess=
ion should have been two communicating entities.

Which will enhances the security by reducing life time of a key used and no=
n repetitive of the keys for a very long time which is very much important =
for control plane packets.

Derived keys may be extended to IPsec/VPN  data packet.

Since the lack of such management framework/interface limited service provi=
ders to use keys with very longer lifetime or a key chain with a set of key=
 which were repeated in a cycle.

We would like to address above issue with I2NSF framework. Please correct m=
e if I am wrong.



keys for message authentication and integrity. As of now there is no much f=
ocus on an abstraction for keying information that describes the interface

between protocols, operators, and automated key management.



[[Anil >>]] How about below text :

3.1.9 Lack of framework/standard interface to provisioning the usage of Key=
 Derivation Function (KDF) and managing KDF



A Key Derivation Function (KDF) or Key Derivation Algorithm is intended to =
be used in two ways:

(1) to derive a long-term Master Secret from a short-lived shared secret

(2) to derive secure channel session keys from a shared secret and a seed.



There is a need for a framework to ensure secure exchange of initial secret=
e between managing entity and managed entity (NSF).



There is a need for a framework/standard interface in provisioning two comm=
unicating protocols to use KDF as their key source for

Specific period of time or for a set of interaction.

There is also need for framework/standard interface in controlling and mana=
ging KDF used between two communicating protocols

The Provisioning and Managing framework could be extended to data plane too=
.



With Regards

Anil S N


"Be liberal in what you accept, and conservative in what you send" - Jon Po=
stel

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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Hi Linda,<o:p></o:p></=
span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Reply is inline.<o:p><=
/o:p></span></p>
<div>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Thanks &amp; Regards<o=
:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Anil S N<o:p></o:p></s=
pan></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">&#8220;Be liberal in w=
hat you accept, and conservative in what you send&#8221; - Jon Postel<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
</div>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<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;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Linda Du=
nbar
<br>
<b>Sent:</b> 21 November 2015 06:07<br>
<b>To:</b> Anil Kumar S N (VRP Network BL); draft-dunbar-i2nsf-problem-stat=
ement-05@ietf.org<br>
<b>Cc:</b> Jayaraghavendran k; i2nsf@ietf.org<br>
<b>Subject:</b> RE: Comments on draft-dunbar-i2nsf-problem-statement-05<o:p=
></o:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Anil, <o:p></o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">Thank you very much fo=
r the comments. Reply are inserted below:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<div>
<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;">From:</span></b><span style=3D"font-s=
ize:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> Anil Kum=
ar S N (VRP Network BL)
<br>
<b>Sent:</b> Thursday, November 19, 2015 8:23 PM<br>
<b>To:</b> <a href=3D"mailto:draft-dunbar-i2nsf-problem-statement-05@ietf.o=
rg">draft-dunbar-i2nsf-problem-statement-05@ietf.org</a><br>
<b>Cc:</b> Linda Dunbar; Jayaraghavendran k; <a href=3D"mailto:i2nsf@ietf.o=
rg">i2nsf@ietf.org</a><br>
<b>Subject:</b> Comments on draft-dunbar-i2nsf-problem-statement-05<o:p></o=
:p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">Hi Authors,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; I was reading the draft for understanding and contribu=
ting towards I2NSF working group and found few comments :<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:S=
ymbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &q=
uot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">Introduction section :&nbs=
p; I think all these use cases are merged as &#8220;draft-pastor-i2nsf-merg=
ed-use-cases-00&#8221; request you to update the same<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"margin-left:72.0pt"><span style=3D"font-siz=
e:12.0pt;font-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;">This =
document does not elaborate on specific use case. The reader<o:p></o:p></sp=
an></p>
<p class=3D"MsoNormal" style=3D"margin-left:72.0pt"><span style=3D"font-siz=
e:12.0pt;font-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;">shoul=
d refer to [I2NSF-ACCESS], [I2NSF-DC] and [I2NSF-Mobile] for a<o:p></o:p></=
span></p>
<p class=3D"MsoNormal" style=3D"margin-left:72.0pt"><span style=3D"font-siz=
e:12.0pt;font-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;">more =
in-depth discussion on the I2NSF use cases.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Linda] you are correc=
t. Actually all of them will be merged together with the problem statement.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:S=
ymbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &q=
uot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">Requirements Language, ter=
ms and acronyms section : We need to describe following abbreviations which=
 are used in the documents as it the first document
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">to be referred by any newcomer int=
o I2NSF WG<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">IPS, IDS, ACL, FWs, AAA, CA, VNFpo=
ol, Etc...<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Linda] Good point. Ha=
s been added.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D"><o:p>&nbsp;</o:p></spa=
n></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:S=
ymbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &q=
uot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">3.1.1. Diverse types of Se=
curity Functions Section : &nbsp;Below statement is contradicting each othe=
r, I2NSF wants to standardize the interface to control the
 behavior of NSF <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">but doesn&#8217;t want to standard=
ize the interface which carries the information of firewall filter and its =
application on specific flow. I Feel we could add more clarity
 on the scope of I2NSF with respect to <o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">what is under its perview and what=
 is not in this document if at all we want to talk about &#8220;what is nee=
ded&#8221; in this document.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp; there is =
no need to standardize on how a<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp; firewall =
filters are created or applied. What is needed is having<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp; an interf=
ace to control and monitor the behavior of NSFs.<span style=3D"color:black"=
><o:p></o:p></span></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">[Linda] &nbsp;What in =
the I2NSF scope is &#8220;Rule Set&#8221; to those &#8220;Firewall filter&#=
8221;.
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"color:#1F497D">How about this: &#8220=
;What is needed is having an interface to control and monitor the rule sets=
 that NSFs use to treat packets traversing through.&#8221;<o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><b><i><span style=3D"color:#1F497D">[[Anil &gt;&gt;]=
] Sounds good</span></i></b><span style=3D"color:#1F497D"><o:p></o:p></span=
></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;
<o:p></o:p></span></p>
<p class=3D"MsoListParagraph" style=3D"text-indent:-18.0pt;mso-list:l0 leve=
l1 lfo2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:S=
ymbol"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:7.0pt &q=
uot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style=3D"font-size:12.0pt;font-family:=
&quot;Bookman Old Style&quot;,&quot;serif&quot;">3.1.2.&nbsp; Diverse Inter=
face to monitor the behavior of NSFs : &nbsp;Reparsed as below
<o:p></o:p></span></p>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black">You Can&#8217;t Monitor What You Can&#82=
17;t See. So enabling a security function <o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black">(e.g., firewall [I-D.ietf-opsawg-firewal=
ls]) does not mean that a network is protected. <o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black">As such, it is necessary to have a mecha=
nism to monitor and provide execution status of NSFs to<o:p></o:p></span></=
pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;">security and compliance management tools. There exis=
t various network security monitoring vendor specific interfaces <o:p></o:p=
></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;">for forensics and troubleshooting <o:p></o:p></span>=
</pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D"><o:p>&nbsp;</o:p></span></pre>
<pre style=3D"margin-left:36.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo=
2"><![if !supportLists]><span style=3D"font-size:12.0pt;font-family:Symbol;=
color:#17365D"><span style=3D"mso-list:Ignore">&middot;<span style=3D"font:=
7.0pt &quot;Times New Roman&quot;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; </span></span></span><![endif]><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">Add=
ing new section :<o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">3.1.9 Lack of mechanism for Key Manage=
ment/Deterministic Generation and Provisioning for communicating protocols<=
o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D">[Linda] Do you see it as challenge facing p=
roviders? Or the customers? &nbsp;Do you mean &nbsp;&#8220;Lack of Mechanis=
m for security keys distribution to NSFs by different vendors&#8221;? <o:p>=
</o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">There is a need for a framework/data m=
odel for a key management protocol that may be used to create and manage se=
ssion<o:p></o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D">[Linda] You need to provide more wording: M=
anage What Session? Is it IPSec session ? is VPN session? <o:p></o:p></span=
></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D">What do you think of this <o:p></o:p></span=
></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D">&#8220;There is a need for controller to di=
stribute various keys to distributed NSFs.&#8221; <o:p></o:p></span></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre><b><i><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,=
&quot;sans-serif&quot;;color:#1F497D">[[Anil &gt;&gt;]] Agreed, Will rephra=
se; Idea is that there are many key management methods and KDF (key derivat=
ion function) exist <o:p></o:p></span></i></b></pre>
<pre><b><i><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,=
&quot;sans-serif&quot;;color:#1F497D">but there is a need for standardizing=
 the interface to provision and manage it. &nbsp;Here any two communicating=
 protocols could use same KDF <o:p></o:p></span></i></b></pre>
<pre><b><i><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,=
&quot;sans-serif&quot;;color:#1F497D">to deterministically derive keys and =
&nbsp;to communicate. The reference to session should have been two communi=
cating entities.<o:p></o:p></span></i></b></pre>
<pre><b><i><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,=
&quot;sans-serif&quot;;color:#1F497D">Which will enhances the security by r=
educing life time of a key used and non repetitive of the keys for a very l=
ong time which is very much important for control plane packets.<o:p></o:p>=
</span></i></b></pre>
<pre><b><i><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,=
&quot;sans-serif&quot;;color:#1F497D">Derived keys may be extended to IPsec=
/VPN &nbsp;data packet.<o:p></o:p></span></i></b></pre>
<pre><b><i><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,=
&quot;sans-serif&quot;;color:#1F497D">Since the lack of such management fra=
mework/interface limited service providers to use keys with very longer lif=
etime or a key chain with a set of key which were repeated in a cycle.<o:p>=
</o:p></span></i></b></pre>
<pre><b><i><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,=
&quot;sans-serif&quot;;color:#1F497D">We would like to address above issue =
with I2NSF framework. Please correct me if I am wrong.<o:p></o:p></span></i=
></b></pre>
<pre><span style=3D"font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;=
sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">key=
s for message authentication and integrity. As of now there is no much focu=
s on an abstraction for keying information that describes the interface<o:p=
></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#17365D">bet=
ween protocols, operators, and automated key management.<o:p></o:p></span><=
/pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:#1F497D"><o:=
p>&nbsp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><b><i><span style=3D"font-size:11.0=
pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">[[=
Anil &gt;&gt;]] How about below text :<o:p></o:p></span></i></b></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">3.1.9 Lack of framework/standard inter=
face to provisioning the usage of Key Derivation Function (KDF) and managin=
g KDF<o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">A Key Derivation Function (KDF) or Key=
 Derivation Algorithm is intended to be used in two ways: <o:p></o:p></span=
></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">(1) to derive a long-term Master Secre=
t from a short-lived shared secret <o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">(2) to derive secure channel session k=
eys from a shared secret and a seed.<o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">There is a need for a framework to ens=
ure secure exchange of initial secrete between managing entity and managed =
entity (NSF). <o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D"><o:p>&nbsp;</o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">There is a need for a framework/standa=
rd interface in provisioning two communicating protocols to use KDF as thei=
r key source for <o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">Specific period of time or for a set o=
f interaction. <o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">There is also need for framework/stand=
ard interface in controlling and managing KDF used between two communicatin=
g protocols <o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:#17365D">The Provisioning and Managing framewor=
k could be extended to data plane too. <o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:11.0pt;fon=
t-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nb=
sp;</o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:black">With =
Regards<o:p></o:p></span></pre>
<pre style=3D"page-break-before:always"><span style=3D"font-size:12.0pt;fon=
t-family:&quot;Bookman Old Style&quot;,&quot;serif&quot;;color:black">Anil =
S N<o:p></o:p></span></pre>
<pre><span style=3D"font-size:12.0pt;font-family:&quot;Bookman Old Style&qu=
ot;,&quot;serif&quot;;color:black"><o:p>&nbsp;</o:p></span></pre>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Bo=
okman Old Style&quot;,&quot;serif&quot;">&#8220;Be liberal in what you acce=
pt, and conservative in what you send&#8221; - Jon Postel<o:p></o:p></span>=
</p>
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From: "Anil Kumar S N (VRP Network BL)" <anil.sn@huawei.com>
To: DIEGO LOPEZ GARCIA <diego.r.lopez@telefonica.com>
Thread-Topic: [I2nsf] Comments on draft-dunbar-i2nsf-problem-statement-05
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Cc: Jayaraghavendran k <jayaraghavendran.k@huawei.com>, "i2nsf@ietf.org" <i2nsf@ietf.org>, "draft-dunbar-i2nsf-problem-statement-05@ietf.org" <draft-dunbar-i2nsf-problem-statement-05@ietf.org>, Linda Dunbar <linda.dunbar@huawei.com>
Subject: Re: [I2nsf] Comments on draft-dunbar-i2nsf-problem-statement-05
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