lvs-users
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To: | lvs-users@xxxxxxxxxxxxxxxxxxxxxx |
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Subject: | Re: overhead measurement |
From: | Padraig Brady <padraig@xxxxxxxxxxxxx> |
Date: | Wed, 29 May 2002 11:15:37 +0100 |
Tao Zhao wrote: Hi, all I want to measure the overhead of LVS, e.g. the additional latency imposed by LVS instead of a traditional router. I looked up several documents and found Zhang's paper mentioned 60us for rewriting a 536 bytes packet. All measurements in other documents focuses on throughput instead of latency overhead. I believe it's not very hard to measure the latency as long as we have a fine grain clock. Anyone knows how to get fine grain time? We measured 60us for "normal routing" and 80us for LVS. Padraig. |
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