[e2e] New Reno

[F. Bouy]

> >Why nobody answering my question?
>
>Because usually one lets the authors do it.
>
> >>May I know why step 1B in RFC 3782 is necessary? As far as I am concern 
>if
> >>the sender is not already in the Fast Recovery procedure, the Cumulative
> >>Acknowledgement field will never covers more than "recover" [in step 1]
> >>because it will never have the chance to execute step 1A.
>
>"recover" gets set in step 1A to the highest sequence number transmitted,
>which may be well past the current ACK value.  The algorithm ensures
>that cleaning up the segments between the current cumulative ack
>and the highest value sent doesn't cause you to (re)enter frast
>retransmit/fast recovery.

I thought so in the first place, but step 1 states that the checking is only 
done for the case when we are not in Fast Recovery.

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