[p2p-hackers] UDP file transfer protocol peer review

[Alex Pankratov]

Matthew Kaufman wrote:

> Alex Pankratov:
>
>>So do I understand correctly that eventhough TCP Vegas tries 
>>to avoid the congestion (with a secondary goal of preventing 
>>a packet loss), it still somehow relies on the loss to 
>>control its Tx rate ?
> 
> As I remember (I haven't read the papers in some months), the Vegas
> implementation adds the use of detecting RTT increase to detect incipient
> congestion and to back off in that case in an effort to avoid loss, but when
> actual loss occurs, the rate is still dropped as per TCP Reno.
> 
> My comments about UDP-based protocols interoperating well with TCP is based
> on the fact that most TCP implementations are Reno- or newReno-like.
> 

Right, so I assumed. Thanks