[pfSense Support] Strange TCP connection behavior 2.0 RC2 (+3)

Tue Jun 28 16:11:23 UTC 2011

> -----Original Message-----
> From: Cameron Byrne [mailto:cb.list6 at gmail.com]
> Sent: 28 June 2011 16:53
> To: Leigh Porter
> Cc: Andreas Ott; Eugen Leitl; williamejsalt at googlemail.com; NANOG list
> Subject: Re: [pfSense Support] Strange TCP connection behavior 2.0 RC2
> (+3)
> In the 3G world, i have had good results overcoming longish RTT by
> using the Hybla TCP algorithm  http://hybla.deis.unibo.it/
> 
> I am hoping it gets more default traction, especially in wireless
> where the radio link is a pretty big latency source
> 
> Cameron

How do you implement this for lots of clients and servers that have out of the box implementations? The FastSoft box is a TCP man-in-the-middle box that essentially implements the FAST TCP algorithm without either end having to worry about it.

I have also used home-fudged TCP proxies with some success.

Some 3G/wireless/VSAT vendors implement their own TCP modification stacks but they usually only fiddle with window sizes and such.

--
Leigh

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