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Tuesday, November 4 • 12:05 - 12:45
Seamless Migration from Nova-network to Neutron in eBay Production

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Several datacenters were using folsom nova-network in the eBay production, with thousands VMs in service. We successfully upgraded to openstack Havana version, adopted neutron as network service instead of nova-network and replaced Linux bridge by Open vSwitch. One of the most important requirement to us was to avoid network service break for existing VM instances during nova-network to neutron migration, i.e. least downtime in the data plane.

In this session, we will share our story of the seamless migration from the folsom nova-network to havana neutron in the eBay production. The work covers both control plane and data plane. The control plane part includes neutron net/subnet/port management, and SDN controller integration, while the data plane part includes tap device migration from Linux bridge to openvswitch bridge, DHCP service, security group, and Libvirt/KVM configuration update.


Chengyuan Li

Sr MTS Software Engineer, eBay
Chengyuan Li is a member in eBay Kubernetes team, his focus area is host-runtime and storage in Kubernetes. Before joining Kubernetes project, he worked in computer and network area for eBay cloud.
avatar for Han Zhou

Han Zhou

Cloud Architect, Intel
Han Zhou is the cloud architect in Ebay Inc, and is now focusing SDN design for data centers.

Tuesday November 4, 2014 12:05 - 12:45
Room 242AB

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