[105229] in North American Network Operators' Group
Re: Best utilizing fat long pipes and large file transfer
daemon@ATHENA.MIT.EDU (Robert E. Seastrom)
Mon Jun 16 07:22:41 2008
To: Glen Turner <gdt@gdt.id.au>
From: "Robert E. Seastrom" <rs@seastrom.com>
Date: Mon, 16 Jun 2008 07:22:02 -0400
In-Reply-To: <4855D466.5060600@gdt.id.au> (Glen Turner's message of "Mon,
16 Jun 2008 12:18:06 +0930")
Cc: nanog@merit.edu
Errors-To: nanog-bounces@nanog.org
Glen Turner <gdt@gdt.id.au> writes:
> Fedora 8 and 9 and Ubuntu 8.04 include the upstream OpenSSH which include
> large window patches. OpenSSH 4.7 ChangeLog contains:
>
>> Other changes, new functionality and fixes in this release:
> ...
>> * The SSH channel window size has been increased, and both ssh(1)
>> sshd(8) now send window updates more aggressively. These improves
>> performance on high-BDP (Bandwidth Delay Product) networks.
Turns out that the Mac does too. Haven't checked FreeBSD 7 yet, but
6.x is definitely lagging.
Thanks for the clue,
-r
