The MPLS WG Archive

[Senthilkumar Rajasekharan <senthil@caip.rutgers.edu>]

> > If MPLS breaks, and routing isn't available, then routing wouldn't
> > occur. :)

Isn't this the reason why path protection mechanisms were introduced in 
MPLS ? Shouldn't VPN provisioning also include "fault management" ??
Or is this something that is left to the underlying LSRs.

Perhaps someone on this list can enlighten me ?

Thanks,
-Senthil



> 
> 
> When a LSP of PE to PE broken, BGP has no way of LSP broken.
> Then, BGP keep up of VPN routes and VPN traffic going to black hole,
> until LSP avairable.
> 
> As a result, VPN customer can not back up their traffic to any link.
> 
> I think this is one of most seriously problem of BGP/MPLS VPN.
> 
> --
> Satoru Matsushima
> 
>