Subject: Re: [lisp] lisp Digest, Vol 13, Issue 26

From: Charrie Sun <[email-masked]>
Date: Thu, 10 Dec 2009 16:26:04 +0800

Hi Neol,

> From: [email-masked] (Noel Chiappa)
> To: [email-masked]
> Date: Tue, 8 Dec 2009 20:36:17 -0500 (EST)
> Subject: Re: [lisp] ALT structure, robustness and the long-path problem
>    > From: Robin Whittle <[email-masked]>
>
>    > I don't see what "replication" means in the ALT network if it is
>    > different from caching. Can you give some examples?
>
> "Replication" means 'duplicated nodes', i.e. alternate paths through the
> ALT.
> This is trivial to do, since the ALT is based on BGP, which was designed to
> handle connectivity graphs with cycles. I had originally investigated this
> for other reasons (to minimize delays), but it's equally effective in
> producing a system which is robust against node failures.
>
Could you tell me what the exact meaning of "Equally effective in producing
a system which is robust against node failures", do you mean redundancy, or
replication, is trival, As to robustness and minimizing delays?

Best regards,
Charrie