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Tuesday, August 18 • 10:30am - 11:20am
Stateful NAT with OpenvSwitch - Thomas Graf, Noiro Networks

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As containers are being deployed as part of multi tenant clusters, virtual multi layer switches become essential to interconnect containers while providing isolation guarantees. Assigning tenants their own private networks requires stateful network address translation (NAT) implemented in a scalable architecture to expose containers to public networks. Existing virtual switches integrated into the Linux kernel did not support stateful NAT so far. This presentation introduces a new virtual NAT service deployable as container built using existing kernel functionality such as network namespaces, routing rules and Netfilter to provide NAT services to existing virtual switches such as Open vSwitch and the Linux bridge but also the core L3 layer of Linux.

Speakers
avatar for Thomas Graf

Thomas Graf

Noiro Networks (Cisco), Noiro (Cisco)
Thomas Graf has been a Linux kernel developer for 10 years, working on a variety of networking subsystems. His current focus is on network virtualization and SDN. He contributes to various open source projects, such as the Linux kernel and Open vSwitch. Thomas is currently at Noiro Networks, a Cisco project.


Tuesday August 18, 2015 10:30am - 11:20am
Cirrus