From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.lang.hm (unknown [66.167.227.145]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 947A33B2A4 for ; Mon, 27 Mar 2023 14:54:46 -0400 (EDT) Received: from dlang-mobile (unknown [10.2.2.69]) by mail.lang.hm (Postfix) with ESMTP id 574F7181001; Mon, 27 Mar 2023 11:54:45 -0700 (PDT) Date: Mon, 27 Mar 2023 11:54:45 -0700 (PDT) From: David Lang To: =?ISO-8859-15?Q?David_Fern=E1ndez?= cc: starlink@lists.bufferbloat.net In-Reply-To: Message-ID: <768s6nq6-q9q8-741s-75o6-72qp279482rr@ynat.uz> References: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="228850167-1046420297-1679943285=:8745" Subject: Re: [Starlink] Starlink ISL data X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Mar 2023 18:54:47 -0000 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --228850167-1046420297-1679943285=:8745 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8BIT I'm seeing some IPv6 on starlink (and had to troubleshoot another person on starlink that had a corporate access problem that was resovled by disabling IPv6) David Lang On Mon, 27 Mar 2023, David Fernández via Starlink wrote: > Date: Mon, 27 Mar 2023 12:44:26 +0200 > From: David Fernández via Starlink > Reply-To: David Fernández > To: starlink@lists.bufferbloat.net > Subject: Re: [Starlink] Starlink ISL data > > I thought Starlink was not supporting IPv6, because of this: > > https://twitter.com/elonmusk/status/967712110661615616 > >> Date: Sun, 26 Mar 2023 19:32:31 -0700 >> From: Dave Taht >> To: Dave Taht via Starlink >> Subject: Re: [Starlink] Starlink ISL data >> Message-ID: >> >> Content-Type: text/plain; charset="utf-8" >> >> Nate gave me the opportunity to test a bit of ipv6 access on one of >> his dishys today. I am going to give p2p a shot, also, and he >> conveniently has bbr2 installed. It is of course difficult to discern >> the difference between transport behaviors and their underlying >> connectivity - for example the BBR2 result attached has a baseline >> (idle!) latency jump of over 40ms which is hard to explain. >> >> Despite these plots saying downloads, they were essentially uploads >> from his box over the internet. >> >> The summary of the data I have so far on this direction is: >> >> Cubic, looks like cubic, usually, but not always. BBR rarely looks like BBR. >> >> On Fri, Mar 24, 2023 at 2:46 PM Dave Taht wrote: >>> >>> Vint just asked me a difficult question over here about the >>> performance of the ISL links for my upcoming AMA next week >>> >>> https://twitter.com/mtaht/status/1639361656106156032 >>> >>> And to date, we really don't know. We do know it is up!? but... >>> >>> has anyone managed to measure p2p ipv6 performance starlink to >>> starlink over an ISL link as yet? Do we know anyone at the poles? In >>> general I always look for flent and irtt data, but I'd settle for a, >>> oh, call it 5-10 minute long packet capture of single iperf flow, >>> running over tcp cubic (bbr would be great too).... one test in each >>> direction. >>> >>> (in fact that would be great from any starlink terminal to any of my >>> servers around the world) >>> >>> I have some data from a couple of you (thx ulrich in particular!), but >>> I have not sat down to take it apart as I have been far, far too busy >>> with libreqos and a bunch of nice, small, competent ISPs deploying >>> that, to worry about fixing a billionaire's network all that much.... >>> but I've set aside next week to answer AMAs about everything from all >>> and sundry, so if you got data, please share? >>> >>> -- >>> Come Heckle Mar 6-9 at: https://www.understandinglatency.com/ >>> Dave Täht CEO, TekLibre, LLC >> >> >> >> -- >> https://www.youtube.com/watch?v=tAVwmUG21OY&t=6483s >> Dave Täht CEO, TekLibre, LLC >> -------------- next part -------------- >> A non-text attachment was scrubbed... >> Name: tcp_ndown_-_starlink-ipv6-cubic.png >> Type: image/png >> Size: 145300 bytes >> Desc: not available >> URL: >> >> -------------- next part -------------- >> A non-text attachment was scrubbed... >> Name: tcp_ndown_-_starlink-ipv6-bbr2.png >> Type: image/png >> Size: 64805 bytes >> Desc: not available >> URL: >> > _______________________________________________ > Starlink mailing list > Starlink@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/starlink --228850167-1046420297-1679943285=:8745--