Alia, Alvaro,
+1,
I think Bruno is summarizing the situation perfectly.
Pierre.
On 5/31/12 12:24 PM, [email protected] wrote:
Alia, Alvaro,
I support adoption.
As requested, below some (quickly written) opinions:
Positive:
++ Incremental deployment with incremental benefits.
(Eventually some focused deployments may be enough to solve the main LFA
limitations.)
+ Relatively easy understanding (and possibly control) for the network operator
of the path taken by the traffic. Useful for capacity planning, network
manageability and respect of design rules (e.g. don't use a PE to backup a P)
+ Relative simplicity
+ Can provide 100% coverage in some real networks. (at least one I am aware of)
Negative:
- "esthetic": some "random" (from human design perspective) mesh of control
plane sessions. May have an impact on the management/monitoring. (e.g. how many T-LDP sessions am I
supposed on have on node XT6 ? Is one missing?).
- lacks 100% guaranteed coverage. Could eventually be worked on (e.g. studies,
addition of (virtual TE) links) but requires work :-)
Positive definitely outweighs the negative.
IMHO will be deployed, with or without the IETF. I would prefer with the IETF
review and standardization.
Regards,
Bruno
> From Alia Atlas>Sent: Wednesday, May 30, 2012 6:59 PM
Subject: opinions on adoption of draft-shand-remote-lfa as a WG draft
draft-shand-remote-lfa was presented favorably this last IETF. There
is known IPR
associated with it on file ( https://datatracker.ietf.org/ipr/1770/ )
This draft presents
a solution for IP/LDP fast-reroute that does not guarantee 100%
coverage but can substantially
improve coverage over LFAs.
We would like to initiate a WG poll to determine whether to adopt
draft-shand-remote-lfa.
We are, of course, interested in opinions and reasoning rather than
simple yes/no.
Thanks,
Alia
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