Date: Tue, 17 Jun 2014 12:48:43 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: hiren panchasara <hiren.panchasara@gmail.com> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: LEDBAT (RFC-6817)i n FreeBSD as mod_cc(9)? Message-ID: <1819611615.20140617124843@serebryakov.spb.ru> In-Reply-To: <CALCpEUHSsPifQ3PPgEmT5TipOoEQ=YREK6bJb6UPUX2zHDyySg@mail.gmail.com> References: <1863738251.20140616172546@serebryakov.spb.ru> <CALCpEUHSsPifQ3PPgEmT5TipOoEQ=YREK6bJb6UPUX2zHDyySg@mail.gmail.com>
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Hello, hiren. You wrote 17 =D0=B8=D1=8E=D0=BD=D1=8F 2014 =D0=B3., 11:41:35: >> It looks like, that some TCP connections could benefit from LEDBAT >> (RFC-6871) cognestion control algorithm (not all, of course, it should = not >> be default). >> >> Also, it looks like Apple implements one >> (http://www.opensource.apple.com/source/xnu/xnu-1699.32.7/bsd/netinet/= tcp_ledbat.c), >> but it uses much more "callbacks" from TCP/SCTP core to CC module, that >> FreeBSD has. >> >> Does somebody evaluate, is it possible to bring LEDBAT to FreeBSD? hp> I'd guess there is nothing wrong in having this as a cc module. hp> Someone has to do the necessary legwork :-) The problem is it seems that "someone" needs to extend set of hooks in mod_cc substantially. It is more than "write one more module" and, IMHO, should be discussed with net-related people :) --=20 // Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
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