Re: Some definitions (Was: Re: New issue 16: No packets fromother end?)

James Kempf wrote:
> ----- > 4.  Primary Address Pair
> 
>>    Contrary to SCTP which has a specific congestion avoidance design
>>    suitable for multi-homing, IP-layer solutions need to avoid sending
>>    packets concurrently over multiple paths; TCP behaves rather poorly
>>    in such circumstances.  For this reason it is necessary to choose a
>>    particular pair of addresses as the primary address pair which is
>>    used until problems occur, at least for the same session.
>>
> 
> 
> Actually, SCTP doesn't send packets over multiple paths either. It uses the
> addresses only for failover, that is when it detects a failure, it switches
> to another address.

Yes, I think you are right about the usage of just one path at a
time. Question: does SCTP still have
some specific congestion avoidance for multi-homing, such as
going back to slow start upon changing to a different path?

--Jari