IEEE 802.17 Resilient Packet Ring
Draft D0.2 Section 1 Comment
Resolution
May, 2002
Ottawa, Canada
ra_sultan@yahoo.com
May 9, 2002
IEEE 802.17 RPRWG
Bob Sultan
Clauses 1 – 4 and Annex A
• Intro material derived from clauses
– Due on same date as other clauses
– Follows that intro always lags by one cycle (2 months)
• exceptions when material provided early to editor
• Clause 1 provides an overview of the specification
– Some text too detailed and will be adjusted
– Reflects normative text of other clauses
• Technical decisions not made in the overview
May 9, 2002
IEEE 802.17 RPRWG
Bob Sultan
Statistics
• 50 technical non-binding
– 1 rejected
– 29 accepted-modified
– 23 accepted
• 49 technical binding
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5 referred to section 0 (and resolved)
7 rejected
25 accepted modified
8 accepted
• 69 editorial
May 9, 2002
IEEE 802.17 RPRWG
Bob Sultan
Rejected / Referred
• Rejected
– Disallow ‘jumbo’ frames
– Incorrect comment on ‘ringlet’ figure
– Mandatory wrapping
• Five items referred to chief editor
– Notation will be moved to clause 3 (will move for
change to ‘Terms, Definitions, and Notation’
– Should, shall, etc. referenced in Style Manual
May 9, 2002
IEEE 802.17 RPRWG
Bob Sultan
Significant Resolved Issues
• Frame size 9216 (jumbo) as specified in D02C8.1 (11)
• Least cost vs. shortest path / ring selection by client or
MAC (8)
• Classes A0, A1, B, C from RAH (7)
• Circumference, not span (4) clause?
• Editor’s questions (4) no action needed
• Maximum number of stations on ring (3) clause?
• Remove HOL blocking reference (3)
• Ringlet naming (3) (eg. CW, CCW) clause? Chief editor?
• Intent is to be lossless (3) (avoid specifying conditions)
May 9, 2002
IEEE 802.17 RPRWG
Bob Sultan
Significant Resolved Issues
• Describe multicast operation (4)
• Delete reference to cut-through (4)
• Delete material on reservation and provide
editors’ note until defined (4) clause ?
• Reject mandatory wrapping (conflicts D0.2) (1)
• Remove reference to authentication/encryption (1)
May 9, 2002
IEEE 802.17 RPRWG
Bob Sultan
Editorial In Nature
• Remove unnecessary NOTE describing ‘fairness’
(2)
• Fairness algorithm doesn’t restrict traffic (1)
• Not all fairness message hop-by-hop (1)
• RPR header terminology included in overview
when adopted in clause 8 (1)
• Correction in Qtag description (2)
• Remove Qtag/CID from features list as too
detailed. (1)
May 9, 2002
IEEE 802.17 RPRWG
Bob Sultan
Editorial in Nature
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Omit justification for header checksum (2)
Additions/corrections to notation (2)
Editors’ note on reference to OIF docs (1)
Add steering for multicast when available (1)
Add HEC and IOP to acronyms (understood that
IOP may change) (2)
May 9, 2002
IEEE 802.17 RPRWG
Bob Sultan
Editorial in Nature
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Picture improvements (3)
Provisioning terminology included when approved (1)
Correct description of allowed rate (1)
Clarification of delay properties (1)
Header clarifications (2)
Move notation subclause to clause 3 (1)
Add c-code reference to references (1)
Remove text regarding network layer as client (1)
‘Looping’ replaced by ‘indefinite circulation’ (1)
Description of insert, strip, etc. (1) (will edit into
overview as appropriate)
May 9, 2002
IEEE 802.17 RPRWG
Bob Sultan
Editorial in Nature
• Specify ‘fairness’ as ‘weighted fairness’ (1)
Correct definition of ‘reclaimable’ (1)
• Remove incorrect reference to leaky bucket (just
refer to policing) (1)
• Replace description of “uncommitted and
reclaimable” from approved text (1)
• Remove “uncommitted and reclaimable” as too
detailed for features list (1)
May 9, 2002
IEEE 802.17 RPRWG
Bob Sultan