Read the "Avoid Multiple Fast Retransmits" section of RFC2582
On Tue, 28 Mar 2000, Kingshuk Mandal wrote:
> Hi Ramakrishnan,
>
> This does not answer your question, this is just for your information.
> RFC 2001 has become obsolete. The newest RFC on Slowstart is
> RFC-2581. Difference between the two is not much.
>
> Kingshuk
>
>
>
>
> On Mon, 27 Mar 2000, Ramakrishnan wrote:
>
> > Hi All,
> > I am sorry if this is kinda newbie question.
> >
> > I am implementing the RFC 2001 and I want to know whether SACK and Fast
> > Retransmit can coexist. Reading the RFCs has only landed me up in
> > confusion. While fast retransmit will send the packet when it sees the
> > third duplicate ACK, SACK will retransmit the all the packets after a
> > retransmission timeout. If my fast retransmit packet is not ACKed
> > before the retransmission timer times out, the same packet gets sent
> > two times. That is my problem.
> >
> > Any help is greatly appreciated.
> > Thanks for the patience.
> > ramki
> >
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