Hybrid-MAC Model for CAPWAP draft-ietf-opsawg-capwap-hybridmac-00 Presenting: Hui Deng:

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Presentation transcript:

Hybrid-MAC Model for CAPWAP draft-ietf-opsawg-capwap-hybridmac-00 Presenting: Hui Deng:

Background Presented during last IETF 86 TH meeting, get support from audience. WG LC after IETF meeting, adopted as WG document. Thanks kind review and comments from Dorothy Stanley, updated draft accordingly Review invitation to Behcet Sarikaya with the result of support

Comments from Dorothy Stanley Normative references should include RFC5416 ( binding protocol) and the material in Figures 1 and 2 should refer to RFC5416. –Agreed, have been changed in the latest version

Comments from Dorothy Stanley No changes to the CAPWAP RFCs are required. –Yes

Comments from Rajesh Pazhyannur It appears that you are proposing a new MAC mode which is very similar to Split MAC mode except that it requires Scheduling to *only* at the WTP (instead of allowing it additionally at AC) Encryption to *only* at the WTP (instead of allowing it additionally at AC) If so, does this require defining a new MAC mode in addition to existing Split MAC and Local MAC –Will write a separate draft about the definition this new mode or change from informational to standard track.

Comments from Rajesh Pazhyannur The Hybrid MAC mode seems to require fragmentation to be done only at the AC. This choice is a little unclear. Wouldn’t the upstream traffic continue to be fragmented by the WTP while downstream traffic be fragmented at the AC. –Other comments

Comments from Rajesh Pazhyannur Are you considering variants of the Split MAC mode where the MAC is split (for example association responses come from the AC) while the traffic is locally bridged. For example this appears to be precluded by text in 5416: In a Split MAC Architecture, the Distribution and Integration services reside on the AC, and therefore all user data is tunneled between the WTP and the AC. As noted above, all real-time IEEE services, including the Beacon and Probe Response frames, are handled on the WTP. –Ok, Distribution and Integration services will change from AC to WTP.

Change from information to standard track by including a normative work, define a digital 2 for hybrid mac? Thank You Contact Us at Name: Hui Deng Company: China Mobile