From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97E37C4346E for ; Sun, 27 Sep 2020 17:51:19 +0000 (UTC) Received: from krantz.zx2c4.com (krantz.zx2c4.com [192.95.5.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CCAC923718 for ; Sun, 27 Sep 2020 17:51:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CCAC923718 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=employees.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=wireguard-bounces@lists.zx2c4.com Received: by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 00784c3b; Sun, 27 Sep 2020 17:19:14 +0000 (UTC) Received: from clarinet.employees.org (clarinet.employees.org [198.137.202.74]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTPS id bc73b6bc (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO) for ; Sun, 27 Sep 2020 17:19:12 +0000 (UTC) Received: by clarinet.employees.org (Postfix, from userid 1736) id 041444E11B9B; Sun, 27 Sep 2020 17:50:30 +0000 (UTC) Date: Sun, 27 Sep 2020 18:50:29 +0100 From: Derek Fawcus To: WireGuard mailing list Subject: Re: Interest in adding multicast support to Wireguard? Message-ID: <20200927175029.GB90330@clarinet.employees.org> References: <9b4ba85a-633a-04ed-ca15-eb29d476cd57@pallas.us> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9b4ba85a-633a-04ed-ca15-eb29d476cd57@pallas.us> X-BeenThere: wireguard@lists.zx2c4.com X-Mailman-Version: 2.1.30rc1 Precedence: list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: wireguard-bounces@lists.zx2c4.com Sender: "WireGuard" Various routers have support for running PIM (and IGMP/MLD) in NBMA mode, whereby individual hosts and joins/leave for such are tracked, rather than depend upon a shared broadcast medium. This is used for mcast over Frame Relay, ATM, etc which are inherently NBMA. ISTM that wg should also be modelled as NBMA, and as such the same sorts of approaches should be taken. DF