Re: TCP Window Size and MTU/MSS

[Hansang Bae <for_list_hbae () nyc rr com>]

On 2/10/2011 9:04 AM, Sake Blok wrote:
> See RFC 2581 part 4.2 :
>     The delayed ACK algorithm specified in [Bra89] SHOULD be used by a
>     TCP receiver.  When used, a TCP receiver MUST NOT excessively delay
>     acknowledgments.  Specifically, an ACK SHOULD be generated for at
>     least every second full-sized segment, and MUST be generated within
>     500 ms of the arrival of the first unacknowledged packet.
>
> (http://www.faqs.org/rfcs/rfc2581.html)

But some systems will ack after two pkts of any size (which I think is 
more logical).  Windows for example acks after two pkts regardless of 
size.  This leads to less of a chance of a nagle/delayed-ack deadlock.

hsb

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