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

[Costin Raiciu <[e-mail]>]

Hi Joe,

The proposed congestion controller gives the aggregate multipath  
connection the throughput a TCP would get on the best (fastest) of  
the  paths available (to the multipath connection). It does so only  
by looking at loss rates and rtts on the different paths. It does not  
need to know whether there is a shared bottleneck or not.

Cheers
Costin


On 3 Nov 2009, at 16:16, Joe Touch wrote:

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> Lars Eggert wrote:
>> Hi,
>>
>> On 2009-11-2, at 16:56, Joe Touch wrote:
>>> How do you know whether 5.6.7.8 is the same place as the first
>>> connection, or a new place? Don't you need to figure that out to  
>>> know
>>> whether you end up with new capacity, or need to share capacity?
>>
>>
>> I don't think you care whether it's the same location or not - the
>> linked congestion control proposal doesn't infer topology information
>> from IP addresses.
>
> That's news to me. Seems like this whole thing assumes topology
> information from IP addresses.
>
> Joe
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