Re: [OPSAWG] Comments on draft-shao-opsawg-capwap-hybridmac-00

Hi Rajesh,

Thanks for your comments, I will bring your comments for tomorrow
discussion.
thanks a lot

-Hui

2013/7/30 Rajesh Pazhyannur (rpazhyan) <rpazhyan@cisco.com>

>  Hello
>
> First comment/question:
> It appears that you are proposing a new MAC mode which is very similar to
> Split MAC mode  except that it requires
>
>    1. Scheduling to **only** at the WTP (instead of allowing it
>    additionally at AC)
>    2. 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
>
> Second comment/question:
>
> 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.
>
>
> Third comment/question
> 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* *802.11 services,
> including the Beacon and Probe Response frames, are handled on the WTP.*
>
>
> Regards
>
> Rajesh
>
>
>
>
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