Ethereal-users: Re: [Ethereal-users] Packet Loss

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From: Hansang Bae <hbae@xxxxxxxxxx>
Date: Tue, 09 May 2006 01:33:27 -0400
On 03:07 AM 5/8/2006, fonte fonte wrote:
>Hi all,
>I'm wondering whether the total of packets being retransmitted is equivalent to the total of packets being lost/damaged assuming no packets are dropped during capture?


No since multiple retransmission for lost packet is the norm. In fact, triple duplicate acks are used for fast retransmissions.  Triple duplicate acks sounds like an oxymoron, but all it means is that host A saw the same ACK coming from host B three times.  At this point, host B can assume that packet loss has occurred and will retransmit immediately.

hsb