Is there a typo or paste error below? The text reads : "...and an optional distributed model in which a centralized...(snip)"
Is it centralized or distributed? Randy > On Mar 27, 2015, at 12:36 AM, Philippe Klein <[email protected]> wrote: > > IEEE 1905.1 is a protocol that has been designed (I was one of the initial > designer)for building a topology data base of the hybrid home network for > diagnostic purpose (despite the initial claim in the PAR) and not a > protocol for dynamic purpose (for example as it’s the message traffic was > intended to be low , the protocol did not took in account the traffic > overhead and the multiplication of messages the protocol could create. > > A stronger approach will be to consider combining the Layer 3 routing > protocol with the L2 IEEE 802.1Qca which provide SPB on multiple paths > (editor: [email protected]). 802.1Qca will allow to optimize the > bandwidth by allowing to use the *whole* topology of the home network in a > loopfree manner (a simple RSTP might result in using only a subset of the > topology). > > Additionally 802.1Qca could use the *same* IS-IS database that the one used > by the L3 protocol and an optional distributed model in which one > centralized computation path element CPE could remotely populate the (L2) > forwarding table of CP (passive node that do not compute paths) thru LSPs: > the same IS-IS protocol will benefit to both L3 and L2 and this is a big > advantage adding any protocol on low end CE nodes that have limited resources > is always a challenge and often a roadblock to successful acceptance and > deployment. > > 802.1Qca is not agnostic to IS-IS and any protocol that could populate the > topology database will be fine too. > > There is a group of people that are active in both IETF and IEEE 802 that > are ready to discuss this approach to create a long needed coherent L3 & L2 > stack. > Sincerely > /Philippe > > Philippe Klein, PhD |Technical Director, Broadband Technology Group > Broadcom Corporation | Golan House, P.O.Box 273, Airport City, 70100 Israel > (M) +972 54 313 4500 | [email protected] > > > > > > From: homenet [mailto:[email protected]] On Behalf Of Dave Taht > Sent: Friday, March 27, 2015 6:35 AM > To: Hans Liu > Cc: HOMENET Working Group; STARK, BARBARA H; Claire Cheng; [email protected] > Subject: Re: [homenet] IEEE 1905.1 and 1905.1a > > up until this moment I had never heard of > > http://en.wikipedia.org/wiki/IEEE_1905 > > this spec, and it does sound useful. > > +10 on more open access to it. +100 on anyone working on open source code for > it. > > I would certainly like closer relationships between the IEEE and IETF one > day, perhaps even a truly joint (as opposed to back to back) conference. For > far too long members of these two orgs have been going to different parties, > and many, many cross layer issues have arisen due to this. > > In my own case I had hoped (in dropping ietf) to be able to attend more IEEE > 802.11 wg meetings - but I would really prefer to stay home and code for a > while. > > I would be very supportive of someone(s) taking on the tasks of better > grokking wifi and other non-ethernet media across both orgs both in the > context of homenet and in aqm. > > PS While I have a good grip on cable media layers, I am lacking such on > gpon... > _______________________________________________ > homenet mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/homenet
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