Introduction to MidoNet

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Introduction to midonet Taku Fukushima

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Agenda 1. What is MidoNet? 2. Architecture 3. Community 4. Summary

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What is MidoNet?

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Why do we need MidoNet? • Demands for the virtualised networking • Faster and more ﬂexible provisioning • Cloud IaaS requires virtualised networking • Multi-tenancy • Complete software-based solution

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MidoNet Features • L2- L3 Logical Switching • Logical Routing • State-less and Stateful NAT • Logical and distributed Firewall • L4 Load Balancing • BGP and its ECMP multiplexing • GRE and VXLAN tunneling

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MidoNet Features • OpenStack Neutron integration and MidoStack • REST API • VTEP support with OVSDB protocol • Partial Docker integration

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History of MidoNet (a dev’s perspective) • Started with Midolman written in Python, OpenStack Austin, Open vSwitch (including userland features) • MidoNet 1.x • Re-written with Java • Scala was partially introduced • Open-sourced in Nov, 2014 New! • MidoNet 2.0 (WIP)

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Architecture

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Architecture Overview

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Datapath control via Netlink by Midolman Open vSwitch Datapath IF IF Interfaces on the host IF VM VM VM Midolman (MidoNet agent) Flow Table Watch/modify Add/remove ﬂows Host Cache Store virtu Nova compute

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GRE/VXLAN Tunneling NSDB NSDB NSDB Private Network Host Midol man Cache Datapath VM VM VM Flow Table Nova compute MidoNet API Nova API Neutron API MidoNet Plugin Host Midol man Cache Datapath VM VM VM Flow Table Nova compute BGP Gateway Midol man Datapath Flow Table BGP Gateway Midol man Datapath Flow Table GRE/VXLAN Tunneling Internet

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NSDB and Cluster API NSDB NSDB NSDB dd/remove ﬂows Store virtual topology information NSDB and Cluster API

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OpenStack integration and APIs NSDB NSDB Network MidoNet API Nova API Horizon MidoNet CLI Add/remove ﬂows Neutron API MidoNet Plugin Host Clients / Users OpenStack integration and MidoNet API

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BGP with ECMP NSDB NSDB NSDB Private Network Host Midol man Cache Datapath VM VM VM Flow Table Nova compute MidoNet API Nova API Neutron API MidoNet Plugin Host Midol man Cache Datapath VM VM VM Flow Table Nova compute BGP Gateway Midol man Datapath Flow Table BGP Gateway Midol man Datapath Flow Table GRE/VXLAN Tunneling Internet

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Community

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Entering MidoNet community • Slack (midonet.slack.com) • Mailing list • Midolman code walkthrough • Code walk-through videos • GerritHub • Code review + CI with several tests

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Documentation and help • Wiki • wiki.midonet.org • Documentations • docs.midonet.org • JIRA (Issue Tracker) • https://midonet.atlassian.net/

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http://lists.midonet.org/pipermail/midonet-dev/

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Summary

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MidoNet rocks • True distributed architecture • Intelligence at the edge • Open-sourced under Apache License v2 • Growing community and ecosystem

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The end of slides. Any questions?