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Tuesday, November 5, 2013< ^ >
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[00:00:23] <Christian Martin> Hannes: There arent benefots to removing RSVP
[00:00:40] <Christian Martin> Ed Crabbe: There are real benefits to removing RSVP
[00:01:03] <Christian Martin> Hannes: RSVP was just an example, others can be there
[00:01:31] <Wes George> worth noting that some of us like segment routing because we *don't* have RSVP today
[00:01:38] <Christian Martin> Hannes: We can get over the fairytales that Segment Routing will remove RSVP or LDP, as they are not full stop replacements
[00:01:53] <Christian Martin> Crowd getting testy!
[00:02:15] <Christian Martin> Stefano - going part of the way is not enough, remove more
[00:02:23] <Christian Martin> Manu from Ciena: You mentioned TE
[00:02:35] <Christian Martin> Hannes: I didnt mention TE, I mention explicit routing
[00:02:50] <Christian Martin> How does the ingress understand where there is congestion
[00:03:09] <Christian Martin> Hannes: Rob Shakir has suggested using metric extensions (latency, congestion)
[00:03:42] <Christian Martin> Jeff Haas: I think it's worth pointing out - yes, getting rid of these protocols could be good
[00:04:56] <Christian Martin> Hannes: Is the question about removing RSVP?
[00:05:22] <Christian Martin> Rob Shakir: You can and you can't, doesn't matter.  We don't deploy RSVP because it doesn't scale
[00:05:57] <Christian Martin> John Scudder: This is not about RSVP
[00:06:13] <Christian Martin> Ron Bonica: Two comnversations
[00:06:21] <Christian Martin> WHich of the two is more efficient?
[00:06:37] <Christian Martin> Which of the two architecture documents is more efficient
[00:06:51] <Christian Martin> Reuse of older architectures may be more superior
[00:07:29] <Christian Martin> Wim Hendrickx: There are concepts not in RFC 3031 that are in the Segment Routing architecture
[00:07:39] <Christian Martin> scope related
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[00:07:44] <Christian Martin> link and adjacency
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[00:07:56] <Christian Martin> ROb Shakir: Responding to Ron's point
[00:08:29] <Christian Martin> This is just an attempt to leverage the label stacking architecture dicument rather than rewriting something new
[00:08:58] <Christian Martin> The question is, do you need the concepts to address the use cases
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[00:09:30] <Christian Martin> Bruno
[00:09:39] <Christian Martin> FRR Segment Routing
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[00:24:11] <Christian Martin> Hannes: Feels like approaching lightspeed, the closer you get, the more energy needed
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[00:24:51] <Christian Martin> Suggestion; precompute the failure and then inform CSPF
[00:25:00] <Christian Martin> Bruno: For link protection, this is exactly what we do
[00:26:33] <Christian Martin> Stefano: SR MPLS Dataplane - separated from the architecture to make the architecture data plane agnistic
[00:26:36] <Christian Martin> agnostic too
[00:29:42] <Christian Martin> Alvaro: We are starting the second half of the meeting
[00:29:47] <Christian Martin> we're trying to fish
[00:29:52] <Christian Martin> fit everyone
[00:29:57] <Christian Martin> and then go fishing
[00:30:26] <Christian Martin> XIaohuL ENtropy Labels for MPLS SR
[00:31:37] <Christian Martin> Ed: Nothing harmful, but not sure if it is useful
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[00:32:06] <Christian Martin> if you know the capability via the node, you can impose an Entropy label
[00:32:13] <Christian Martin> Same via a controller
[00:32:26] <Christian Martin> Naming Shen: Difference between capability to advertise Entropy label
[00:32:33] <Christian Martin> and the ability to do load balamcing
[00:32:49] <Christian Martin> label stack size - we should announce max labels in a hash
[00:32:53] <John Scudder> s/Naming/Yimin/g
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[00:34:41] <Christian Martin> Rob Shakir: WHat's the point - we wouldn't not build an LSP (SR or otherwise) dependent on the ability of an intermediate node
[00:35:34] <Christian Martin> Kireeti: Entropy labels on deep stacks
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[00:44:53] <Christian Martin> Ed: comment: 6 and one half dozen the other
[00:45:10] <Christian Martin> mixed capability nodes - some nodes can't read EL and ELI
[00:45:44] <Christian Martin> Kireeti: we were guessing if it was an Ethernet or ATM or VPN/IPv4 header
[00:45:52] <Christian Martin> often worked but sometimes didnt
[00:47:28] <Christian Martin> Wim: worst case label stack is 8-9
[00:47:33] <Christian Martin> excluding entropy
[00:48:38] <Christian Martin> John Scudder: Entropy should be in the architecture document, not an addon
[00:49:04] <Christian Martin> Ed: Tangential comment - people are being optimistic as to label push
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[00:49:21] <Christian Martin> some saying 10 - seems high
[00:49:29] <Christian Martin> Kireeti: try multiplying by three
[00:49:44] <Christian Martin> Kireeti: optimizing the stack
[00:51:04] <Christian Martin> Mark Townsley: Might we, if we are taking Entropy in as a first class citizen, might we get rid of the ELI?
[00:51:08] <Christian Martin> Kireeti: maybe not
[00:51:23] <Christian Martin> Mark: I think we could if we think really hard
[00:51:44] <Christian Martin> John: We have an explicit charter item to reuse as much existng dataplane
[00:51:54] <Christian Martin> Ross: I'll refer my question to the list
[00:51:58] <Christian Martin> Peter AshwoodSmith
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