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Message-ID: <20221003164223.53f2b4e3@kernel.org> Date: Mon, 3 Oct 2022 16:42:23 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Mubashir Adnan Qureshi <mubashirmaq@...il.com> Cc: David Miller <davem@...emloft.net>, netdev@...r.kernel.org, Mubashir Adnan Qureshi <mubashirq@...gle.com> Subject: Re: [PATCH net-next v2 0/5] Add PLB functionality to TCP On Fri, 30 Sep 2022 04:53:15 +0000 Mubashir Adnan Qureshi wrote: > This patch series adds PLB (Protective Load Balancing) to TCP and hooks > it up to DCTCP. PLB is disabled by default and can be enabled using > relevant sysctls and support from underlying CC. > > PLB (Protective Load Balancing) is a host based mechanism for load > balancing across switch links. It leverages congestion signals(e.g. ECN) > from transport layer to randomly change the path of the connection > experiencing congestion. PLB changes the path of the connection by > changing the outgoing IPv6 flow label for IPv6 connections (implemented > in Linux by calling sk_rethink_txhash()). Because of this implementation > mechanism, PLB can currently only work for IPv6 traffic. For more > information, see the SIGCOMM 2022 paper: > https://doi.org/10.1145/3544216.3544226 A bit of an unfortunate timing. Linus just released 6.0 and we went into feature freeze AKA merge window. Please repost in 2 weeks, after v6.1-rc1 has been tagged.
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