Re: A non-routing problem.


CERF@USC-ISI.ARPA
27 May 1986 05:37-EDT


Aside from bugs, there are a couple of reasons for retransmissions (this
is a generic comment, not specific to the VAX code):

1. timeout awaiting ACK leads to retransmissions

2. ACK fails to arrive at all (then see 1 above).

Do you know what the path was between the source/sink of this
TCP connection? Were there any long delay nets (e.g. SATNET)?
Network congestion? Overloaded gateways?

Vint Cerf



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