Bug#693424: ssh: Please include HPN (high performance networking) patches for SSH
[Colin Watson] > Sorry, but I am not going to include any more large and invasive patch > sets in Debian's OpenSSH package, especially not ones that add new > configuration options (upstream has a history of giving such things > different names when they accept them, and then I'm stuck maintaining > configuration file compatibility forever). This needs to go upstream. Understandable, but too bad. Apparently this dramatic performance improvement is unlikely to go upstream: "So if HPN-SSH is so awesome why hasn't OpenSSH adopted it? That's a long story and people who know the OpenBSD team probably already know the answer. I understand many of their reasons - it's a big patch which would require additional work on their end (and they are a small team), they don't care as much about performance as security (though there is no security implications to HPN-SSH), etc etc etc. However, even though OpenSSH doesn't use HPN-SSH Facebook does. So do Google, Yahoo, Apple, most ever large research data center, NASA, NOAA, the government, the military, and most financial institutions. It's pretty well vetted at this point." - http://stackoverflow.com/questions/8849240 My own 2c: the NONE cipher and the parallel AES implementation are not very interesting, because with an Intel Sandy Bridge CPU (with hardware acceleration for both AES and GCM), the AES + GCM mode ciphers are _really_ fast. Anyone who cares about performance should be using them, and should buy Sandy Bridge or newer CPUs. But the receive buffer scaling part of the HPN patchset is still relevant, and in fact quite critical for long fat pipes. (Fortunately the various features are broken out into individual patches.) I wonder how long until OpenSSH upstream realises that a 1.2 MB window is not really large enough on today's Internet.
Bug#693424: ssh: Please include HPN (high performance networking) patches for SSH
Package: ssh Severity: wishlist X-Debbugs-Cc: Paul Slootman p...@debian.org Axel Beckert wrote: clone 13389 -1 retitle 13389 Support the none cipher retitle -1 Include HPN (high performance network) SSH patches (without the none cipher patch) tag -1 - wontfix kthxbye As that clone failed due to merged bugs and I was thinking about filing a new bug report anyway, lets do that now: Please include the patches from http://www.psc.edu/networking/projects/hpn-ssh/ (without the none cipher patch, see http://bugs.debian.org/13389) in the openssh package. Maybe instead of including them in the default SSH binary packages, it could be an ideal to build separate hpn-ssh binary packages from the same source, so only those who explicitly want them also get them. Regards, Axel -- ,''`. | Axel Beckert a...@debian.org, http://people.debian.org/~abe/ : :' : | Debian Developer, ftp.ch.debian.org Admin `. `' | 1024D: F067 EA27 26B9 C3FC 1486 202E C09E 1D89 9593 0EDE `-| 4096R: 2517 B724 C5F6 CA99 5329 6E61 2FF9 CD59 6126 16B5 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org
Bug#693424: ssh: Please include HPN (high performance networking) patches for SSH
tags 693424 wontfix thanks On Fri, Nov 16, 2012 at 12:00:35PM +0100, Axel Beckert wrote: Please include the patches from http://www.psc.edu/networking/projects/hpn-ssh/ (without the none cipher patch, see http://bugs.debian.org/13389) in the openssh package. Sorry, but I am not going to include any more large and invasive patch sets in Debian's OpenSSH package, especially not ones that add new configuration options (upstream has a history of giving such things different names when they accept them, and then I'm stuck maintaining configuration file compatibility forever). This needs to go upstream. Maybe instead of including them in the default SSH binary packages, it could be an ideal to build separate hpn-ssh binary packages from the same source, so only those who explicitly want them also get them. Absolutely not. That way lies combinatorial explosion. Thanks, -- Colin Watson [cjwat...@debian.org] -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org
Bug#693424: ssh: Please include HPN (high performance networking) patches for SSH
Control: tag -1 + upstream Hi Colin, thanks for the prompt reply and the explanations! Colin Watson wrote: On Fri, Nov 16, 2012 at 12:00:35PM +0100, Axel Beckert wrote: Please include the patches from http://www.psc.edu/networking/projects/hpn-ssh/ (without the none cipher patch, see http://bugs.debian.org/13389) in the openssh package. Sorry, but I am not going to include any more large and invasive patch sets in Debian's OpenSSH package, especially not ones that add new configuration options Ok. (upstream has a history of giving such things different names when they accept them, Hehe. and then I'm stuck maintaining configuration file compatibility forever). Good point! This needs to go upstream. Tagged it accordingly. Maybe instead of including them in the default SSH binary packages, it could be an ideal to build separate hpn-ssh binary packages from the same source, so only those who explicitly want them also get them. Absolutely not. That way lies combinatorial explosion. Yeah, I know. And it's sometimes hard to find the right balance between different demands and to many versions. Regards, Axel -- ,''`. | Axel Beckert a...@debian.org, http://people.debian.org/~abe/ : :' : | Debian Developer, ftp.ch.debian.org Admin `. `' | 1024D: F067 EA27 26B9 C3FC 1486 202E C09E 1D89 9593 0EDE `-| 4096R: 2517 B724 C5F6 CA99 5329 6E61 2FF9 CD59 6126 16B5 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org
