From owner-freebsd-current@freebsd.org Fri May 19 04:01:45 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EA82FD72088 for ; Fri, 19 May 2017 04:01:45 +0000 (UTC) (envelope-from freebsd-rwg@pdx.rh.CN85.dnsmgr.net) Received: from pdx.rh.CN85.dnsmgr.net (br1.CN84in.dnsmgr.net [69.59.192.140]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B94851E12; Fri, 19 May 2017 04:01:45 +0000 (UTC) (envelope-from freebsd-rwg@pdx.rh.CN85.dnsmgr.net) Received: from pdx.rh.CN85.dnsmgr.net (localhost [127.0.0.1]) by pdx.rh.CN85.dnsmgr.net (8.13.3/8.13.3) with ESMTP id v4J41fKH069452; Thu, 18 May 2017 21:01:42 -0700 (PDT) (envelope-from freebsd-rwg@pdx.rh.CN85.dnsmgr.net) Received: (from freebsd-rwg@localhost) by pdx.rh.CN85.dnsmgr.net (8.13.3/8.13.3/Submit) id v4J41fL5069451; Thu, 18 May 2017 21:01:41 -0700 (PDT) (envelope-from freebsd-rwg) From: "Rodney W. Grimes" Message-Id: <201705190401.v4J41fL5069451@pdx.rh.CN85.dnsmgr.net> Subject: Re: Ssh.. can we please have HPN back? In-Reply-To: <65e88d85-ca38-26dc-fe0a-910db11d470b@freebsd.org> To: Julian Elischer Date: Thu, 18 May 2017 21:01:41 -0700 (PDT) CC: freebsd-current X-Mailer: ELM [version 2.4ME+ PL121h (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Mailman-Approved-At: Fri, 19 May 2017 10:56:41 +0000 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 May 2017 04:01:46 -0000 > So after stripping out the HPN version of ssh from our product becasue > "it was no longer needed" we dicovered that we were premature in doing so. > Apparently ssh still really needs HPN to get any throughput at all when > there are latencies involved. > > > For example, with HPN we get 13MB/sec between the Azure US west > Data center and the Azure East data center.But the standard ssh in 10.3 > (with HPN stripped out) can barely manage 2MB/sec transfers. > > I did ask at the time whether it was proved that the new ssh didn't > require the HPN changes, > and was assured, "no" but it would appear that the picture isn't as clear. > tht seems silly to have to import the port when we have what would > otherwise be a > perfectly good ssh as part of hte system, and it's really annoying > having to specify > /usr/local/bin/scp or /usr/local/bin/ssh in every script. > > So can we please have the latest version of the HPN changes back in > the default system please? > It seem rather odd that the upstream openssh has had this problem for > SO LONG and not fixed it. Allan Jude has recently done a bunch of work on this though I do not know its current status of being either upstreamed (I know some of it well not be accepted from conversations with Allan) or commited to the tree. -- Rod Grimes rgrimes@freebsd.org