From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-3.sys.kth.se (smtp-3.sys.kth.se [130.237.48.192]) by dpdk.org (Postfix) with ESMTP id EC0461B13C for ; Wed, 19 Dec 2018 09:02:11 +0100 (CET) Received: from smtp-3.sys.kth.se (localhost.localdomain [127.0.0.1]) by smtp-3.sys.kth.se (Postfix) with ESMTP id 887BE573F for ; Wed, 19 Dec 2018 09:02:11 +0100 (CET) X-Virus-Scanned: by amavisd-new at kth.se Received: from smtp-3.sys.kth.se ([127.0.0.1]) by smtp-3.sys.kth.se (smtp-3.sys.kth.se [127.0.0.1]) (amavisd-new, port 10024) with LMTP id yL-zC-5TwS-U for ; Wed, 19 Dec 2018 09:02:10 +0100 (CET) Received: from exdb02.ug.kth.se (unknown [192.168.32.112]) by smtp-3.sys.kth.se (Postfix) with ESMTPS id 86D77374D for ; Wed, 19 Dec 2018 09:02:10 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kth.se; s=default; t=1545206530; bh=zkX90H20kvOKZSnhA/MnSgg9uwSzp9ZUeZyiTd/ldwY=; h=From:To:Subject:Date; b=XPVb/k3xCcZWExgmpV5V4a1c6F1Ccs2/Yko+aWyJVy1C1DK8UT7vSZ33eFaJdrRrw UZhMzgPzKIr42/i8PQkGTd7F9QfXgeiNBzNMMycVwYXHq9w+UmMASvx8WWuXjv/yZe QRyR3irLfceBZkWpEyZP6yBL0Y6qfoTAOW3gMUlk= Received: from exdb05.ug.kth.se (192.168.32.115) by exdb02.ug.kth.se (192.168.32.112) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Wed, 19 Dec 2018 09:02:09 +0100 Received: from exdb05.ug.kth.se (192.168.32.115) by exdb05.ug.kth.se (192.168.32.115) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Wed, 19 Dec 2018 09:02:09 +0100 Received: from exdb05.ug.kth.se ([192.168.32.115]) by exdb05.ug.kth.se ([192.168.32.115]) with mapi id 15.00.1367.000; Wed, 19 Dec 2018 09:02:09 +0100 From: Tom Barbette To: users Thread-Topic: Efficient inter-VM using DPDK Thread-Index: AQHUl3Ej9ImX9SOiUUCzMRV9rUTqVQ== Date: Wed, 19 Dec 2018 08:02:08 +0000 Message-ID: <961b902fbff04d528727775c3abb110c@exdb05.ug.kth.se> Accept-Language: fr-FR, sv-SE, en-US Content-Language: fr-FR X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [130.237.20.142] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: [dpdk-users] Efficient inter-VM using DPDK X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Dec 2018 08:02:12 -0000 Hi all,=0A= =0A= We have QEMU/KVM VMs using DPDK internally that we'd like to be able to exc= hange packets efficiently. Virtio increased performance, but the host side = is suffering more than our applications, actually. I guess the default wiri= ng is done using the Linux bridge.=0A= =0A= Is OVS-DPDK the way to go? Any other efficient way to exchange packets betw= een "DPDK VMs" that would not lead to this "complicated" setup? We can allo= w shared memory, and we don't want SR-IOV (way too much exchange for PCIe a= nd actually, the IOMMU itself).=0A= =0A= Thanks,=0A= Tom=