Re: [rohc] I-D ACTION:draft-ietf-rohc-context-replication-01.txt

[Ghyslain Pelletier <[e-mail]>]

ROHCers,

An updated version of the draft describing context replication for ROHC
profiles, <draft-ietf-rohc-context-replication-01.txt>, has been
submitted. There has been lots of changes based on previous discussions.
In particular, the following has been updated:

- New CR state added
- IR-REPLICATE has been renamed to IR-CR (after the new state)
- The coverage of the 8-bit CRC in IR-CR now always cover the entire
  IR-CR packet, except the payload
- Operational assumptions regarding the modes of operation with context
  replication have been clarified.
- A section on reconstruction and verification has been added 
- A discussion on requirements to support inter-profile replication
  has been added. Inter-profile replication is still however an open
  issue (please comment).
- Appendix suggesting replication chains has been removed.

Please comment on these changes and the updated version in general.

Regards,

/Ghyslain

Ghyslain Pelletier, Dipl. Ing.
Wireless IP Optimizations
AWARE - Advanced Wireless Algorithm Research
Ericsson Research, Corporate Unit

Ericsson AB, Laboratoriegränd 11
Box 920, S-97128 Luleå, SWEDEN
Phone : [phone] 
Mobile: [phone]
[e-mail]
http://www.ericsson.com


[e-mail] wrote:
> 
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Robust Header Compression Working Group of the IETF.
> 
>         Title           : RObust Header Compression (ROHC):Context Replication for ROHC Profiles
>         Author(s)       : G. Pelletier
>         Filename        : draft-ietf-rohc-context-replication-01.txt
>         Pages           : 17
>         Date            : 2003-10-28
> 
> This document defines context replication, a complement to the
> context initialization procedure found in ROHC (Robust Header
> Compression) [RFC-3095]. Profiles defining support for context
> replication may use the mechanism described herein to establish a new
> context based on another already existing context.
> Context replication is introduced to reduce the overhead of the
> context establishment procedure, and may be especially useful for the
> compression of multiple short-lived flows that may be occurring
> simultaneously or near-simultaneously, such as for example short-
> lived TCP flows.
> 
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> http://www.ietf.org/internet-drafts/draft-ietf-rohc-context-replication-01.txt
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-- 
Ghyslain Pelletier, Dipl. Ing.
Wireless IP Optimizations
AWARE - Advanced Wireless Algorithm Research
Ericsson Research, Corporate Unit

Ericsson AB, Laboratoriegränd 11
Box 920, S-97128 Luleå, SWEDEN
Phone : [phone] 
Mobile: [phone]
[e-mail]
http://www.ericsson.com

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