[16NG] DAD in IEEE802.16

[Daniel Park <[e-mail]>]

[Trimming the list and subject]
 
Sangeon, 
 
IPv6 subnet model document was gone. Its status
is in RFC Queue. If you have any concern regarding
IPv6 DAD, it may take place in IPv6CS or EthernetCS
document in my sense. Can you elaborate on your
concern more specific ?
 
-- Daniel Park
 
 


  _____  

From: 김상언 [mailto:[e-mail]] 
Sent: Monday, April 30, 2007 11:14 PM
To: [e-mail]
Cc: [e-mail]; [e-mail]
Subject: Re: 16NG Digest, Vol 5, Issue 22


Hi all,
 
The one of the important thing in IEEE802.16 is missed.
RFC 2462 specifies autoconfiguration in wired-based IPv6 Internet. It did
not specify configuration time.
To use RFC 2462 specfication in IEEE802.16e network, it is required faster
procedure than current DAD procedure.
Has anyone can tell the DAD processing time?
 
If the IEEE 802.16 network will consume more than one seconds to handover
at IP layer, Does it practical?
 
So, I would like to propose to add some technical resolution for section
3.1.3 and 3.3.3.
 
regards,

 
2007/4/28, [e-mail] <[e-mail]>rg>: 

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Today's Topics:

  1.  Document Action: 'Analysis of IPv6 Link Models for  802.16
     based Networks' to Informational RFC  (The IESG)


----------------------------------------------------------------------

Message: 1
Date: Fri, 27 Apr 2007 11:30:34 -0400
From: The IESG <[e-mail]  <mailto:[e-mail]> >
Subject: [16NG] Document Action: 'Analysis of IPv6 Link Models for
       802.16 based Networks' to Informational RFC
To: IETF-Announce <[e-mail]  <mailto:[e-mail]> >
Cc: Internet Architecture Board <[e-mail]>rg>,  16ng mailing list
       <[e-mail]>rg>, 16ng chair <  <mailto:[e-mail]>
[e-mail]>gt;,       RFC Editor
       <[e-mail]>
Message-ID: <  <mailto:[e-mail]> E1HhSP4-
[e-mail]>

The IESG has approved the following document:

- 'Analysis of IPv6 Link Models for 802.16 based Networks '
  <draft-ietf-16ng-ipv6-link-model-analysis-03.txt > as an Informational RFC

This document is the product of the IP over IEEE 802.16 Networks Working
Group.

The IESG contact persons are Jari Arkko and Mark Townsley.

A URL of this Internet-Draft is: 
http://www.ietf.org/internet-drafts/draft-ietf-16ng-ipv6-link-model-
analysis-03.txt

Technical Summary

This document provides different IPv6 link models that are suitable 
for 802.16 based networks and provides analysis of various
considerations for each link model and the applicability of each link
model under different deployment scenarios.

Working Group Summary

This document is result of a Design Team that was formed 
to analyze the IPv6 link models for 802.16 based networks.
Based on the recommendations of the design team and this
document, the working group has chosen the unique-prefix-per-
link/mn model over the previously assumed shared prefix 
model. The new model is in use in the IPv6 over 802.16 IPCS
document (draft-ietf-16ng-ipv6-over-ipv6cs), and has also
been adopted by the Wimax Forum.

Protocol Quality

Jari Arkko has revied this document for the IESG. 

Note to RFC Editor

Please insert "IEEE" in front of references to 802.16
or other IEEE specification numbers throughout the
document, including the title.

Please expand "MS" to "MS (Mobile Station)" on first 
occurence in Section 1. Similarly, expand "BS" to
"BS (Base Station)". And later in the document,
"CS" to "CS (Convergence Sublayer)".

Please expand "MLD" to "MLD (Multicast Listener 
Discovery)" in Section 3.1.3.

Please add the following informative reference:

  [WiMAXArch]
             "WiMAX End-to-End Network Systems Architecture
             http://www.wimaxforum.org/technology/documents"quot;,
             August 2006.

and refer to that from Section 1, 2nd paragraph, 1st sentence.

In Section 3.1, change "on per MS basis" to "on a per MS basis". 

Also in Section 3.1, paragraph 1: change "does not any multicast"
to "does not provide any multicast". And change "illustrates high"
to "illustrate a". Finally, change "one more" to "one or more". 

Change the section titles (3 instances) that say "Reuse of
Existing Standards" to "Reuse of Existing Specifications".

Replace the text in the Security Considerations section
with the following: 

   This document provides the analysis of various IPv6 link models for
   IEEE 802.16 based networks and this document as such does not
   introduce any new security threats. No matter what the link model
   is, the networks employ the same link-layer security mechanisms
   defined in [5]. However, the chosen link model affects the scope
   of link local communication, and this may have security implications
   for protocols that are designed to work within the link scope. This 
   is the concern for shared link model compared other models wherein
   private resources e.g. personal printer cannot be put onto a public
   WiMAX network. This may restrict the usage of shared prefix model
   to enterprise environments.

   The Neighbor Discovery related security issues are document in [RFC

   2461] [RFC 2462] and these are applicable for all the models
   described in this documents. The model specific security 
   considerations are documented in their respective protocol
   specifications.

Place a new top-level section between Sections 5 and 6:

   X. Effect on Routing

   The model used for in a 802.16 network may have a significant
   impact on how routing protocols are run over such a network.
   The deployment model presented in this document discusses the
   least impacting model on routing as connectivity on the provider 
   edge is intentionally limited to point to point connectivity
   from one BS to any one of multiple MSs. Any other deployment
   model may cause a significant impact on routing protocols,
   however, but they are outside the scope of this document. 





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End of 16NG Digest, Vol 5, Issue 22
***********************************





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------------------------------------------------ 
Sang-Eon Kim
Senior Researcher
Infra. Lab., KT
139-791, Woomyeon-dong, Seocho-gu, Seoul, Korea

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