OVN
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| OVN | |
|---|---|
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| Initial release | September 27, 2016 |
| Written in | C |
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| Operating system | Linux, Hyper-V, FreeBSD and NetBSD |
| Type | Network virtualization |
| License | Apache License 2.0 |
| Website | www |
| Repository | github |
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OVN (Open Virtual Network) is a system to support virtual network abstraction. OVN complements the existing capabilities of Open vSwitch to add native support for virtual network abstractions, such as virtual L2 and L3 overlays and security groups.
Overview
OVN is a network virtualization platform that separates the physical network topology from the logical one.[2] Users are able to connect virtual and physical interfaces with logical switches and routers, regardless of the underlying physical topology. Users are also able to define security policies and load-balancing to these logical instances. OVN uses Open vSwitch for its switching fabric and uses tunnels to provide the logical/physical separation.
Open source bindings for OVN are available for a number of platforms, such as OpenStack[3] and Kubernetes.[4] OVN is the software-defined networking (SDN) platform used in a number of Red Hat products, including Red Hat Virtualization,[5] OpenStack,[6] and OpenShift.[7]
OVN is written in platform-independent C language, which provides easy portability to various environments. The source code is licensed under the Apache License 2.0.
Features
As of May 2018, features provided by OVN include the following:
- Logical switches
- Flexible L2/L3/L4 security policies
- Distributed logical IPv4 and IPv6 routers
- Native support for network address translation (NAT), load-balancing, and DHCP
- L2 and L3 gateways
References
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- ^ Page Module:Citation/CS1/styles.css has no content.Justin Pettit (September 10, 2019). "[ovs-announce] Open vSwitch 2.12.0 Available". openvswitch.org. Retrieved September 10, 2019.
- ^ Page Module:Citation/CS1/styles.css has no content."What Is Open Virtual Network (OVN)? How It Works". SDxCentral. Retrieved 2021-02-25.
- ^ Page Module:Citation/CS1/styles.css has no content."OpenStack Docs: networking-ovn - OpenStack Neutron integration with OVN". docs.openstack.org. Retrieved 2018-05-24.
- ^ Page Module:Citation/CS1/styles.css has no content."openvswitch/ovn-kubernetes". GitHub. Retrieved 2018-05-24.
- ^ Page Module:Citation/CS1/styles.css has no content."Red Hat Virtualization - Red Hat Customer Portal". access.redhat.com. Retrieved 2018-05-24.
- ^ Page Module:Citation/CS1/styles.css has no content."Networking with Open Virtual Network - Red Hat Customer Portal". access.redhat.com. Retrieved 2021-02-25.
- ^ Page Module:Citation/CS1/styles.css has no content."OpenShift Roadmap: What's Next for Red Hat's Kubernetes Container Platform?". www.serverwatch.com. Retrieved 2018-05-24.
