Protocol Action: '6LoWPAN Paging Dispatch' to Proposed Standard (draft-ietf-6lo-paging-dispatch-05.txt)
The IESG <email@example.com> Thu, 13 October 2016 18:42 UTC
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Subject: Protocol Action: '6LoWPAN Paging Dispatch' to Proposed Standard (draft-ietf-6lo-paging-dispatch-05.txt)
Date: Thu, 13 Oct 2016 11:42:17 -0700
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The IESG has approved the following document: - '6LoWPAN Paging Dispatch' (draft-ietf-6lo-paging-dispatch-05.txt) as Proposed Standard This document is the product of the IPv6 over Networks of Resource-constrained Nodes Working Group. The IESG contact persons are Suresh Krishnan and Terry Manderson. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-6lo-paging-dispatch/ Technical Summary Controlling the amount of data transmission is one possible means of saving energy. In a number of LLN standards, the frame size is limited to much smaller values than the IPv6 maximum transmission unit (MTU) of 1280 bytes. In particular, an LLN that relies on the classical Physical Layer (PHY) of IEEE 802.15.4 [IEEE802154] is limited to 127 bytes per frame. The need to compress IPv6 packets over IEEE 802.15.4 led to the 6LoWPAN Header Compression [RFC6282] work (6LoWPAN-HC). As more and more protocols need to be compressed, the encoding capabilities of the original dispatch defined in the 6lo adaptation layer framework ([RFC4944],[RFC6282]) becomes saturated. This specification introduces a new context switch mechanism for 6LoWPAN compression, expressed in terms of Pages and signaled by a new Paging Dispatch mechanism. Working Group Summary There was minimal controversy and rough consensus appears to have been achieved. The shepherd had initially raised some concerns with the draft and his criticisms were entertained on the working group list, with the objections heard and considered in fairness. The consensus of the working group is that the additional operational complexity of introducing the paging state variable in the 6LoWPAN parser is worth the energy savings to be had by not using a more verbose grammar for extending the dispatch code space while preserving the statelessness of the parser. Document Quality There are at least two independent open-source implementations, i.e. OpenWST and Kontiki, and both have been tested for interoperability at an ETSI plugfest event. Personnel James Woodyatt is the document shepherd. Suresh Krishnan is the responsible AD.