The MPLS WG Archive

[nitin p <nitin_panj@yahoo.com>]

Jing,

--- Jing Shen <jshen@cad.zju.edu.cn> wrote:
> nitin,
> 
> I suggest you to dig into the code or contact Leu.
> Our implementation generates nearly the same delay 
> when acting as either Ingree or Egress. 
> 
> Is there any on-demand switching enabled?
I couldn' get what you mean by on-demand switching
NItin


> 
> 
>    
> > 
> > Gopal,
> > Thanks for clearing me on this. What makes me
> still
> > wondered is the huge difference between these two
> > values. Ok I will mention my results:
> > 
> > Ingress: 3.665 milli seconds
> > Egress: 0.035 milliseconds
> > core:    0.018 milliseconds
> > 
> > IP: 0.023 milliseconds.
> > 
> > Now at ingress, if I assume both L3 lookup + L2.5
> > forwarding, it doesn't explain me why this value
> is so
> > high. What else can happen at Ingress which is
> causing
> > this huge delay ? Probably I should dig into code
> and
> > find out :)
> > 
> > Can you please explain, what is aggregation
> prefix?,
> > has it to do anything Penultimate Hop
> Popping(PHP). As
> > far as I know my code doesn't support PHP.
> > 
> > Your comments on this will be highly appreciated.
> > 
> > Thanks,
> > Nitin
> 
> -- 
> Jing Shen
> 
> State Key Lab of CAD&CG
> ZheJiang University(YuQuan)
> HangZhou, Z.J. 310027
> P.R.China
> 
> Tel: +86-571-87932423
> Mobile: (0)13516813753
> Email: jshen@cad.zju.edu.cn
> 
>
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