Hey Dino, 

On 8/5/15, 1:01 PM, "homenet on behalf of Dino Farinacci"
<[email protected] on behalf of [email protected]> wrote:

>There are a lot of things wrong in the IETF. And there are some good
>things about the IETF.
>
>Let’s just keep the discussions technical. We may have to be subjective,
>but that is the right of openness. But folks shouldn’t take it personally.
>
>I want to make one comment about Babel, or more to the point the DUAL
>algorithm. I, with one other engineer were the original designers of
>EIGRP in the early 90s. We worked with Jose Garcia-Luna from SRI/UCSC on
>implementing the DUAL algorithm in EIGRP.
>
>Just be careful about the claim that DUAL is loop-free. It is loop-free
>because the toplogy stays in DUAL acitve-state until it is safe to
>change, but during that time, packets are black-holed.
>
>This is not a strike against Babel or me being opposed to it.
>
>Also, IS-IS can be made to run in unicast-mode and not link-layer
>multicast if the urge is too great to avoid multicast transmission. We
>did this with an adjacecny-server model when designing OTV. That is, IIHs
>are unicasted to a preconfigured DR (ie adjacency-server), which
>replicates IIHs to all other routers that are discovered. All routers
>believe they are adjacent to each other just all physical transmission
>unicast hair-pins to the adjacency-server. There can be more than one
>adjacency-server and they test liveness to each other so one can be the
>forwarder.

The proposed IS-IS solution for link-layer multicast deficiencies is P2MP
operation - https://www.ietf.org/id/draft-lamparter-isis-p2mp-00.txt. We’d
be interested in your thoughts on this. Note that auto-config is a
mandatory requirement.

Thanks,
Acee 




>
>Dino
>
>> On Aug 5, 2015, at 2:22 AM, Sander Steffann <[email protected]> wrote:
>> 
>> Hi,
>> 
>> All these discussions about the routing protocol are making me
>>despair... What the *** is wrong here in the IETF? What happened to
>>producing working solutions and specs? All this discussion about which
>>routing protocol is capable of doing what, "my protocol is as good as
>>yours", bashing each other's ideas, twisting each others words. People,
>>this is just pathetic. There are dozens of routing protocols that could
>>be made to work in homenet. But we already have one that is working
>>today. With time there will always be new ideas and improvements. And if
>>we keep waiting for that we never get anything done. Do we want a
>>'perfect' protocol in years or do we want a good solution today? We have
>>what we need: let's move on...
>> 
>> Cheers,
>> Sander
>> 
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