Re: [ericas] Fwd: [mptcp-dev] MPTCP is great!

Arturo Servin <arturo.servin@gmail.com> Tue, 03 September 2013 13:18 UTC

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Date: Tue, 03 Sep 2013 10:18:22 -0300
From: Arturo Servin <arturo.servin@gmail.com>
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Subject: Re: [ericas] Fwd: [mptcp-dev] MPTCP is great!
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Lars,

    Very interesting, thank you for sharing.

  
Regards,
as
   
On 9/3/13 3:59 AM, Eggert, Lars wrote:
> FYI, one datapoint about at least one of the IETF's recent protocol developments making a difference in emerging regions.
>
> Begin forwarded message:
>
>> From: David Smith <sidicas2@gmail.com>
>> Subject: [mptcp-dev] MPTCP is great!
>> Date: September 2, 2013 17:21:18 GMT+02:00
>> To: <mptcp-dev@listes.uclouvain.be>
>> Reply-To: David Smith <sidicas2@gmail.com>
>>
>>
>> I've been using Multipath TCP for a week now on the Internet with TCP
>> connections between China and the USA, and I must say that it is really
>> amazing!  Excellent work to everybody that worked on this.   
>>
>> As somebody who needs to send a lot of data clear across the world... As
>> somebody who struggles with 1000ms+ latencies between clients and
>> servers due to poor connectivity and long-distance communication...  As
>> somebody who has to regularly deal with packet loss at ~40%..   As
>> somebody that often has to deal with Internet Service Providers
>> intentionally throttling and dropping packets..   And as somebody that
>> has been forced to resort to multiple DSL Modems / Cable Modems / Cell
>> phones or a combination of the above used simultaneously, just to get a
>> decent throughput to the Internet from some random 3rd world country.  I
>> must say, this has been the perfect solution for me.
>>
>> Congratulations on making something that works so well!
>>
>> rsync and wget scripts that I've had to awkwardly split up into several
>> commands so they can be run in parallel, have now been simplified down
>> to running a single command at a time with close to 100% network
>> utilization.
>>
>> When an Internet connection goes down (happens a lot here), the rsync
>> command no longer gets "stuck" for long periods of time with no
>> activity, It just falls back to another Internet connection and keeps on
>> going!  So now I don't have to baby-sit all my parallel rsync
>> connections to catch them when my Internet connection fails!  Just run
>> one and let it go.  That's a *HUGE* weight off of my shoulders.
>>
>> SFTP transfers no longer fail / abort / leave corrupted files on the
>> server when an Internet connection goes down because it falls back to
>> using a different Internet connection.  This is especially awesome
>> because trying to resume SFTP transfers of directories is often much
>> harder than it should be.
>>
>> When I'm in a city, there are so many Wifi devices everywhere and the
>> channel overlap is so bad that Wifi routers struggle to maintain any
>> connectivity at all. With MPTCP, I can run a Wifi+Ethernet connection
>> safely and not worry about the Wifi connection dropping out on me due to
>> a bunch of other Wifi routers in the area trying to use the exact same
>> Wifi channel and causing interference. 
>>
>> MPTCP is really awesome. I love it.  Keep up the great work and I really
>> hope this gets put into the mainline kernel very soon because this is
>> one of the most useful technologies that I've had the pleasure of using
>> in a very long time.
>>
>> Thanks again!
>>
>> -David
>>
>> MPTCP-developpers Mailing-List
>> Visit https://scm.info.ucl.ac.be/trac/mptcp/ to access the source-code of MPTCP in the Linux Kernel
>>
>> To Unsubscribe, visit https://listes-2.sipr.ucl.ac.be/sympa/info/mptcp-dev