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Tuesday, May 19 • 5:30pm - 6:10pm
Supporting Network Bandwidth Guarantees with OpenStack: an Implementation Perspective

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In multi-tenant clouds, network bandwidth guarantees can greatly improve predictability of application performance, cost and service uptime. OpenStack deployments are starting to gain such capabilities, for example using the vendor specific VMware NSX QoS extension for the NSX Neutron plugin, in addition to other recent proposals in the OpenStack community and in the academic research community.

In this talk, we will present our implementation experiences in developing a PoC for bandwidth guarantee and work conservation in OpenStack based on our published research papers: Gatekeeper and ElasticSwitch. We will describe requirements for a general bandwidth guarantee framework, including alternative models for specifying guarantees, and admission control and guarantee enforcement. We will highlight open issues with OpenStack and cross-project dependencies (e.g., between Neutron, Nova, and eventually Gantt) that pose key challenges for integrating bandwidth guarantees into OpenStack. Finally, we will show a system demonstration and share our proposal for upstream contribution. 

 

Attendees will gain insight into the benefits of using bandwidth guarantees in conjunction with conventional rate limiting and pure best effort networking. Attendees will also learn about our experiences and challenges in adding guarantee enforcement to OpenStack, and see how this capability is used to support applications deployed on OpenStack.

Speakers
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Sujata Banerjee

Director and Distinguished Technologist, HP Labs
avatar for Joon-Myung Kang

Joon-Myung Kang

Research Engineer, HP
Joon-Myung Kang is a Research Engineer at HP Labs. His research interests include cloud computing and software-defined networking. He has been working on OpenStack networking, computing, identity & access and monitoring since 2011. Before joining in HP Labs, he was a core architect and developer for Canadian SAVI (Smart Applications on Virtual Infrastructure) testbed based on OpenStack which has been deployed across much of Canada. Currently... Read More →
MS

Mario Sanchez

Research Scientist
  | | | | Mario A. Sanchez received his M.S. and Ph.D. degrees in computer science from Northwestern University in 2014 and 2011, respectively. He holds a Master of Science degree in Telecommunications from the University of Maryland at College Park and a B.E. in Telecommunications from Pontificia Universidad Catolica Madre y Maestra (Dominican Republic). | Mario is currently a research scientist at HP Labs, Palo Alto. His research... Read More →
YT

Yoshio Turner

Principal Scientist
Yoshio is a co-founder of Banyan (Feb 2015), a company developing technology for containerized infrastructure. Previously, Yoshio was a Principal Research Scientist at HP Labs, Networking and Mobility Laboratory, in Palo Alto, CA. He has co-authored several research papers in computer systems and networking. To provide network bandwidth guarantees to cloud tenants, Yoshio co-developed Gatekeeper and ElasticSwitch, and has worked to integrate them... Read More →


Tuesday May 19, 2015 5:30pm - 6:10pm
Room 118/119/120

Attendees (332)