The MPLS WG Archive

[Ping Pan <pingpan@juniper.net>]

If I recall correctly, at one point, we were worried about the noisy 
links, where without some sort of ack, RSVP messages may get dropped. In 
this case, having msgids for teardown and error would be nice. Depending 
on where you want to apply refresh reduction, you have the option where 
to apply msgid's. On SONET/optial links, I am not sure it's useful to 
use msgid for error and teardown messages.

2 cents,

- Ping


Sandeep B wrote:

> I have a more basic question.
> 
> Ping -
> 
> Why do we need to send PATHTEAR, RESVTEAR, PATHERR, RESVERR with Msgids. 
> These are all triggered messages and what purpose do they solve when we 
> send these packets with msgid.
> 
> -Sandeep
> 
> 
> 
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