Subject: RE: LSP-ping

From: Shahram Davari <[email-masked]>
Date: Wed, 18 Jul 2001 07:10:44 -0700

Hi Eric,

My understanding from this draft was that ICMP-ping is used as alive protocol (running it continuously over the life of an LSP), and is used to detect that a failure has occurred. If this is not true, in order words if the customer or some other procedure is used to detect that a fault has occurred in the first place, then you are correct.

-Shahram

> -----Original Message-----
> From: Eric Rosen [mailto:[email-masked]]
> Sent: Wednesday, July 18, 2001 9:56 AM
> To: Shahram Davari
> Cc: 'Eric Gray'; [email-masked]'
> Subject: Re: LSP-ping 
> 
> 
> 
> Sharam> I  understand that  this may  require running  
> ICMP-ping  from every
> Sharam> egress router  to all  relevant ingress routers,  but 
> it  should not
> Sharam> cause any scaling problem,
> 
> This is basically  the procedure of having all routers  in a 
> network pinging
> all other  routers in the network,  which was first 
> denigrated  as a scaling
> problem  about 20  years ago.   I don't  think it's  a good  
> idea to  have a
> troubleshooting procedure  which depends, for  its utility, 
> on this  kind of
> continuous pinging. 
> 
> 
> 
>