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CHANGELOG.md

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Change Log

All notable changes to OpenVNet will be documented in this file. This project adheres to Semantic Versioning.

[Unreleased]

  • Added A new features called segment that accurately simulates L2 segments, allowing connected interfaces to freely set and change their IP addresses without making OpenVNet aware of them.

  • Added New feature promiscuous interface mode, allowing us to connect physical networks to OpenVNet's virtual networks on an L2 level without the need for VNet Edge.

  • Added The option to have VNA take control of an Open vSwitch running on another host.

  • Added The option to run datapaths without learning flows. This is done so OpenVNet can work on hardware that doesn't support learning flows.

  • Added Batch processing to vnctl. This enables you to process multiple commands at once by reading them from a file or STDIN.

  • Added interface_network/route_link associations that can be persistent even without an IP lease or route.

  • Added The possibility to re-use the UUID of deleted items.

  • Added Filter manager now supports stateful firewalls.

  • Changed It is no longer possibly to directly modify an IP lease through the WebAPI. In order to preserve network state history, IP leases need to be deleted and recreated.

  • Changed the static filter webapi parameters to be more inline with the current functionality.

  • Changed We now use the PIO library to manage MAC addresses.

  • Changed Refactored IP/MAC leases and wrote a bunch more unit tests for them.

  • Changed Refactored topology manager before adding new functionality.

  • Removed VNet Edge. Connecting OpenVNet to other networks on the L2 level should now be done by using promiscuous interface mode instead.

  • Removed Security groups. Use filters instead for firewall functionality.

[0.9] - 2016-04-19

  • Added A new topology manager that automatically creates datapath_network and datapath_route_link entries in the database.

  • Added A new simple firewall feature alongside the existing security groups. Security groups will eventually be ported to use this.

  • Added Automatic MAC address assignment using mac range groups.

  • Added Vnctl commands for the creation and deletion of static network address translation.

  • Added Error handling for IPv4 addresses in the wrong subnet as early as the WebAPI.

  • Removed The broadcast_mac_address parameter in the WebAPI's datapaths endpoint. Use mac_address instead.

  • Changed Optimized manager initialization code so no events can be processed before the targeted managers are properly initialized.

  • Deprecated The type parameter in the WebAPI's network_services endpoint. Use mode instead.

  • Changed Added a default value of false to all is_deleted flags in the database. Now OpenVNet can be used with MySQL's STRICT mode.

  • Changed The mac_address parameter in the WebAPI's datapath_networks and datapath_route_links endpoints are no longer required. OpenVNet will now generate them if not provided.

  • Changed Use different priority for flows depending on their prefix in order to ensure that e.g. 10.10.10.0/24 gets handled before 10.10.0.0/16.

  • Fixed An issue where vna could retrieve network resources from vnmgr while their related resources were not fully loaded yet.

  • Fixed Several minor bugfixes.

[0.8] - 2015-09-04

  • Added Warning messages in the log when managers receive events with invalid parameters.

  • Added A ruby gem for accessing the WebAPI. (https://rubygems.org/gems/vnet_api_client)

  • Added Error handling for when a user tries to create an IP address outside of its subnet range.

  • Deprecated The broadcast_mac_address parameter in the WebAPI's datapaths endpoint. Use mac_address instead.

  • Changed Updated the ruby gems dependencies to their most recent versions where possible.

  • Changed The command line arguments to the vnflows-monitor debug tool now use a more common format.

  • Changed Moved vnctl to the client directory.

  • Fixed An issue where VNet Edge related flows were not always created correctly. Edge is now no longer considered experimental.

  • Fixed An issue where Celluloid would some times assume that the main Trema thread was actually a Celluloid thread.

  • Fixed Code cleanup and minor bug fixes in datapath manager.

  • Fixed An issue where events could get processed before managers were initialized, causing race conditions.

[0.7] - 2015-06-04

The first numbered OpenVNet release.

  • Added Process vna which acts as an OpenFlow controller for Open vSwitch.

  • Added Process vnmgr which acts as a database frontend and pushes events to vna.

  • Added Process webapi which acts as a user interface.

  • Added Two protocols to support virtual networking.

    • MAC2MAC, our own original protocol for virtual networking on top of a physical L2 connection.
    • GRE for virtual networking on top of a physical L3 connection.

  • Added Simulated DHCP service to assign IP addresses to network interfaces.

  • Added L3 routing between virtual networks.

  • Added Single hop L3 routing between physical and virtual networks.

  • Added Security groups feature for implementing per-interface firewalls.

  • Added Connection tracking feature that simulates stateful firewalls in Open vSwitch's stateless world.

  • Added Integration with Wakame-vdc. (http://wakame-vdc.org)

  • Added VNet Edge feature that allows virtual networks to communicate on L2 with legacy networks. (Experimental)