[e2e] Are we doing sliding window in the Internet?
touch at ISI.EDU
Tue Jan 2 18:55:05 PST 2007
Lachlan Andrew wrote:
> On 02/01/07, Joe Touch <touch at isi.edu> wrote:
>> Detlef Bosau wrote:
>> > Round CWND
>> > 1 2
>> > 2 4
>> > 3 8
>> It doesn't double each RTT; it goes up by 50%. Remember, the window
>> grows by one MSS each ACK during the initial phase, but there is one ACK
>> for each two MSS's.
> If you have ABC (as recent Linux senders do by default), or don't use
ABC is EXPERIMENTAL.
> delayed ACKs (as Linux receivers don't when the window is small),
Delayed ACKs are strongly encouraged.
Both good reasons to fix these bugs in Linux.
> Detlef was right that it doubles each RTT.
Right - noncompliant or nonstandard implementations can do various other
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