Downloaded 51 times
![Southbound Interface
Three-phase setup
● pre, post and clean right before, after VM boot and shutdown
● It considers live-migrations
OpenNebula Network Drivers
OpenvSwtich VMware DSwtich
Linux Bridge
802.1Q Flat
Security Group*
iptables rules
VXLAN ebtables Flat VLAN Flat Dynamic
NFV Virtual Router*
* [Virtual Router] New in 5.0!
* [Security Group] Propagate updates to running VMs](https://image.slidesharecdn.com/opennebulanetworking-160314093759/75/OpenNebula-Networking-Ruben-S-Montero-5-2048.jpg)
Uploaded byOpenNebula Project
OpenNebula Networking - Rubén S. Montero
OpenNebula provides a central point to define, consume, and set up virtual networks for virtual machines. It uses an XML-RPC API and drivers to abstractly manage logical network attributes like IP addresses, security groups, and tags. The northbound interface defines virtual networks while the southbound interface uses specialized drivers to interface with network elements and set up networking during VM lifecycles. OpenNebula also supports network functions virtualization through virtual routers that can link different virtual networks across sites using GRE tunnels and IPSec.
In this document
Powered by AI
Introduction to OpenNebula Networking by Ruben Montero, highlighting the presentation context.
Description of the OpenNebula Network model, including Virtual and Datacenter Networks.
Explains the built-in SDN features in OpenNebula, focusing on defining and managing Virtual Networks.
Details on the Northbound Interface's logical attributes including IPv4, IPv6, MAC addresses, and Security Groups.
Describes the three-phase setup procedure for the Southbound Interface and mentions OpenNebula Network Drivers.
Outlines the virtualization of network functions and management flexibility, mentioning limitations in earlier versions.
Demonstrates Virtual Routers' capabilities in linking VLAN networks and management through new interfaces.
Discusses the capability of the Virtual Router to link multiple networks using Ethernet over IP and IPSec.
Explains SDN integration with Virtual Routers, focusing on flow control and optimizations.
Summarizes the OpenNebula Network Model, emphasizing the interconnection of networks and management.
Closing remarks and gratitude for attendance at the Techday Madrid.
More Related Content
Similar to OpenNebula Networking - Rubén S. Montero
![[OpenStack Day in Korea 2015] Track 3-6 - Archiectural Overview of the Open S...](https://cdn.slidesharecdn.com/ss_thumbnails/36-150213070342-conversion-gate02-thumbnail.jpg?width=640&height=640&fit=bounds)
OpenNebula Networking - Rubén S. Montero
- 1. OpenNebula Networking Ruben S.Montero OpenNebula Chief Architect Techday Madrid 11 March 2016
- 2. OpenNebula Network Model:View Hyper. Hyper. Hyper. Hyper. Virtual Network VM VM VM VM Datacenter Network ● Leaf-Spine switched or routed backbone ● Not controlled by OpenNebula ● Usually just few TOR switches Virtual switches Virtual Network
- 3. OpenNebula Network Model:“built-in SDN” Provide a central point to define, consume and set up Virtual Networks for Virtual Machines XML-RPC API OpenNebula daemon Infrastructure Drivers Northbound Interface ● Virtual Network abstract management ● Lease addresses to VMs ● Reserve addresses for users or groups Network Stack Southbound Interface ● Uniform interface to interface network elements ● Specialized for VM Networking
- 4. Northbound Interface Logical Attributes AddressesSpace (multiple, disjoint ranges) ● IPv4 ● IPv6 (Global & ULA) ● Ethernet - MAC addresses Security Groups ● Managed as a separate entity ● Inbound & Outbound, TCP/UDP/ICMP Custom Tags Configuration & Physical Attributes ● Network specific (e.g. BRIDGE, VLAN_ID) ● VM Context (e.g. DNS, GATEWAY) VirtualNetworkDefinition
- 5. Southbound Interface Three-phase setup ●pre, post and clean right before, after VM boot and shutdown ● It considers live-migrations OpenNebula Network Drivers OpenvSwtich VMware DSwtich Linux Bridge 802.1Q Flat Security Group* iptables rules VXLAN ebtables Flat VLAN Flat Dynamic NFV Virtual Router* * [Virtual Router] New in 5.0! * [Security Group] Propagate updates to running VMs
- 6. ● Approach: Virtualizesome network functions by packaging into an appliance ● Ease & flexible management of your network ○ Hugepages*, ○ NUMA scheduling*, ○ PCI PF/SR-IOV co-allocation* * Supported only to some extent in 4.14 ● As part of a Virtual Network to include more functionality ○ Virtual Router removed from 4.14 to re-architect it. NFV Management
- 7. Virtual Routers: NFVDemonstration Virtual Router Virtual Router Virtual Router VR cluster Virtual NetworkVirtual Network ● Alpine Linux ● Link any VLAN network ● HA configuration ● Support for reconfiguration ● First class management entity ● Sunstone specialized views ● New CLI for vrouters ● Can be configured per VDC * * Future plans to expose an OpenFlow interface to be controlled by SDN
- 8. Virtual Router: Cross-siteNetworks Virtual RouterVirtual Router VM Virtual Network (VLAN)Virtual Network (VLAN) VM VM Cross-site Network VM Ethernet over IP (GRETAP) + IPSec ● Link multiple virtual networks (L3/L2) ● Support for hybrid configurations ● Support for L3 inter-DC
- 9. Virtual Router: SDNintegration SSH OpenFlow ovswtich / Linux bridge link (to other switches) VXLAN, VLAN, Ether virtual appliance SDN for the Cross-site network ● Flow control (ReactiveFlow app) ● ARP optimizations ● Flow re-balancing OpenNebula drivers
- 10. OpenNebula Network Model:View Hyper. Hyper. Hyper. Hyper. Virtual Network VM VM VM VM Virtual Network Network backbone and Internet VM VM Compute Fabric SDN for vSwitches Two-level SDN ● Hypervisor for VLAN set up and management ● Interconnection and management of VLAN segments Virtual switch (or routed)
- 11.