[e2e] Why do we need TCP flow control (rwnd)?

Fred Baker fred at cisco.com
Tue Jul 1 19:11:31 PDT 2008

On Jun 30, 2008, at 8:46 AM, John Heffner wrote:

> This is only mostly true -- TCP can maintain a zero window
> indefinitely, but the receiver is dropping segments, the sender cannot
> distinguish between the network's and the receiver's drops, and will
> eventually time out and reset the connection.

it gets worse. You might enjoy

   "Clarification of sender behaviour in persist condition.", Murali  
   Mahesh Jethanandani, Anantha Ramaiah, 28-Jun-08,

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