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Wednesday, October 28 • 2:00pm - 2:40pm
Optimizing and Extending Overlay Networking for Containers

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Networking for container is rapidly evolving and overlay network is emerging as a popular choice given its simplicity.  One example is Flannel, a generic overlay network using IP datagrams on top of UDP.  Once deployed on a specific underlying infrastructure such as Neutron, there may be opportunities to optimize for performance and to ease some of the limitation of the overlay network.  In this talk, we look at the particular case of a Kubernetes cluster with Flannel running on Neutron networking and VM or baremetal.  This cluster would be provisioned by Magnum.

We will show how Flannel works with Neutron and Kubernetes' internal routing by tracing a round trip message.  We will quantify the overhead of Flannel and identify potential performance optimization.  We will look at the limitation of Flannel from the container perspective and show how some can be mitigated by Neutron.  We will show a demo for these features in a POC based on Magnum and Neutron.  Finally, we will discuss how the POC can be generalized to apply to other overlay  networks.

Speakers
avatar for Mohammad Banikazemi

Mohammad Banikazemi

Research Staff Member, IBM Research
Mohammad is a research staff member at the IBM T.J. Watson Research Center. His research interests include cloud computing and software-defined networking. He is a senior member of the ACM and the IEEE and an active contributior to Neutron. Mohammad lives with his family in NYC.
avatar for Ton Ngo

Ton Ngo

Senior Developer, IBM
Ton Ngo is a senior developer at the IBM Silicon Valley Lab, building cloud solution for customers for the past 8 years using IBM cloud orchestration products. Since the OpenStack Summit in Hong Kong, he has been working on Heat, focusing on improving support for template troubleshooting and translating TOSCA template to HOT. Currently he is working on Magnum, focusing on load balancer, autoscaling and networking for container. Previously, he was... Read More →
avatar for Baohua Yang

Baohua Yang

Research Scientist, IBM
Baohua Yang's interests mainly include cloud computing, system and networking, analytics and optimization, especially on emerging technologies (e.g., SDN, NFV, BigData, container and IoT). He has submitted nearly 10 patents in those key technical areas. | | He has lead the architecture design and system deployment of several cloud computing and enterprise projects, and designed and implemented innovative features for flagship productions... Read More →


Wednesday October 28, 2015 2:00pm - 2:40pm
Kyokko

Attendees (276)