Re: [multipathtcp] High-level design decisions /architecture

[Costin Raiciu <[e-mail]>]

Hm. The problem with per subflow receive window is ensuring you don't  
create deadlocks. Sebastien Barre already found a case where a  
deadlock can appear, and I imagine there are many more.

I do agree it's a neat way to control policy, but I am afraid it may  
introduce more problems than it solves.
Costin

On 4 Nov 2009, at 19:03, Lars Eggert wrote:

> On 2009-11-4, at 3:15, Costin Raiciu wrote:
>> This is an open issue indeed. If the endpoint is sending, it can
>> control how much data to put on each subflow. When it's receiving,
>> our current thinking is to use ECN (or worse, packet drops) to reduce
>> the bandwidth on a given subflow.
>
> With per-subflow receive windows, you can use receive window  
> tuning, too.
>
> Lars