The MPLS WG Archive

Cell Relay Retreat>MPLS WG Archive>month:2001-Mar> msg00330



[Date Prev][Date Next][Thread Prev][Thread Next]  
  [Date Index][Thread Index][Author Index][Subject Index]

Last Call on RSVP Label Allocation for Backup Tunnels

  • From: David Charlap <david.charlap@marconi.com>
  • Date: Thu, 29 Mar 2001 16:27:18 -0500
  • CC: neil.2.harrison@bt.com, swallow@cisco.com, mpls@UU.NET

Giles Heron wrote:
> 
> Definitely.  I've never quite understood where the whole 10s of
> milliseconds thing came from.  Sure, SONET/SDH can do this - but how
> many applications need it?  We had a voice network long before SONET
> was invented...

In a circuit emulation environment, <10ms rerouting means you can
reroute around a failure before SONET APS kicks in.  This is why it is
used in the ATM world, anyway.

For applications other than circuit emulation, you're right.  There
shouldn't be a need for _that_ level of performance.

-- David