Deep Dive

How Open vSwitch and OVN are implemented and, where necessary, why it was implemented that way.

OVS

• Design Decisions In Open vSwitch
  • Asynchronous Messages
  • OFPAT_ENQUEUE
  • OFPT_FLOW_MOD
  • OpenFlow 1.4 Bundles
  • OFPT_PACKET_IN
  • VLAN Matching
  • Flow Cookies
  • Multiple Table Support
  • OFPTC_* Table Configuration
  • IPv6
  • In-Band Control
  • Action Reproduction
  • Suggestions
• Open vSwitch Datapath Development Guide
  • Flow Key Compatibility
  • Flow Key Format
  • Wildcarded Flow Key Format
  • Unique Flow Identifiers
  • Basic Rule for Evolving Flow Keys
  • Handling Malformed Packets
  • Other Rules
  • Coding Rules
• Integration Guide for Centralized Control
  • Open_vSwitch table
  • Bridge table
  • Interface table
  • HA for OVN DB servers using pacemaker
• Porting Open vSwitch to New Software or Hardware
  • Vocabulary
  • Open vSwitch Architectural Overview
  • Writing a netdev Provider
  • Porting Strategies
  • ofproto Providers
  • Writing a dpif Provider
  • Miscellaneous Notes
  • Why OVS Does Not Support Hybrid Providers
  • Questions
• OpenFlow Support in Open vSwitch
  • The Plan
  • OpenFlow 1.1
  • OpenFlow 1.2
  • OpenFlow 1.3
  • OpenFlow 1.4 & ONF Extensions for 1.3.X Pack1
  • OpenFlow 1.4 only
  • OpenFlow 1.5 & ONF Extensions for 1.3.X Pack2
  • OpenFlow 1.5 only
  • General
  • How to contribute
• Bonding
  • Enabling and Disabling Slaves
  • Bond Packet Input
  • Bond Packet Output
  • Bond Balance Modes
• OVSDB Replication Implementation
  • Terminology
  • Design
  • Setting Up The Replication
  • Replication Process
  • Runtime Management Commands
• The DPDK Datapath
  • DPDK vHost User Ports
  • DPDK Ring Ports
• OVS-on-Hyper-V Design
  • Background Info
  • Design
  • Kernel Module (Datapath)
  • Kernel-Userspace Interface
  • Flow of a Packet
  • Build/Deployment
  • References
• Language Bindings
  • Official Bindings
  • Third-Party Bindings
• Testing
  • Built-in Tooling
  • Continuous Integration with Travis CI
  • vsperf
• Tracing packets inside Open vSwitch
  • Packet Tracing
  • Credits
• C IDL Compound Indexes
  • Introduction
  • Typical Use Cases
  • Implementation Design
  • C IDL API
  • Index Usage

OVN

• OVN Gateway High Availability Plan
  • Basic Architecture
  • L3HA
  • L2HA

ovn-architecture(7)

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