The MPLS WG Archive

[Jing Shen <jshen@cad.zju.edu.cn>]

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?


   
> 
> 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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