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PEOPLE

Zhiming Shen (Cornell University)

Qin Jia (Cornell University)

Weijia Song (Cornell University)

Hakim Weatherspoon (Cornell University)

Robbert van Renesse (Cornell University)




OVERVIEW

Supercloud is a cloud architecture that enables application migration as a
service across different availability zones or cloud providers. The Supercloud
provides interfaces to allocate, migrate, and terminate resources such as
virtual machines and storage and presents a homogeneous network to tie these
resources together. The Supercloud can span across all major public cloud
providers such as Amazon EC2, Microsoft Azure, Google Compute Engine, and
Rackspace etc., as well as private clouds. Supercloud users have the freedom to
re-locate VMs to many data centers across the world, irrespective of owner and
without having to implement complex re-configuration and state
re-synchronization in their applications. Using the Supercloud, an application
can easily offload from an overloaded data center to another one with a
different infrastructure.

In implementing support for live application-level VM migration we had to
address various challenges relating to heterogeneity, networking, and storage.
The Supercloud leverages nested virtualization, eliminating the need for VM
management support from underlying providers. We designed and implemented a new
distributed storage system optimized for wide-area cross-provider VM migration.
It decouples providing strong consistency from update propagation, improving
latency while reducing overhead. We deploy a high performance Software-Defined
Network (SDN) built with Open-vSwitch and VXLAN (Virtual Extended LAN) tunnels
crossing cloud boundaries and a Frenetic controller. We also designed and
evaluated various solutions to deal with migrating services that use public IP
addresses. The Supercloud runs the OpenStack platform and appears to users as a
single private OpenStack cloud. A new scheduler monitors workload and
automatically determines the optimal location for running services.


CODE RELEASE

Supercloud Installation Script: Supercloud-core

Xen-Blanket: Xen-Blanket-AGN


TALKS AND SLIDES

Slides for NIST Cloud Computing Forum & Workshop IX : PDF

Slides for ACM Symposium on Cloud Computing (SoCC) 2016: PDF, Demo


DEMO




PUBLICATIONS

Zhiming Shen, Qin Jia, Eyal Sela, Weijia Song, Hakim Weatherspoon, Robbert van
Renesse Supercloud: A Library Cloud for Exploiting Cloud Diversity In ACM
Transactions on Computer Systems (TOCS).

Zhiming Shen, Qin Jia, Eyal Sela, Ben Rainero, Weijia Song, Robbert van Renesse,
Hakim Weatherspoon Follow the Sun through the Clouds: Application Migration for
Geographically Shifting Workloads In Proceedings of ACM Symposium on Cloud
Computing (SoCC), Santa Clara, California, October 2016.

Ian Kash, Qin Jia, Zhiming Shen, Weijia Song, Robbert van Renesse and Hakim
Weatherspoon Economics of a Supercloud In Proceedings of the 3rd Workshop on
CrossCloud Infrastructures & Platforms (CrossCloud), in conjunction with
Eurosys, London, UK, April 2016.

Qin Jia, Zhiming Shen, Weijia Song, Robbert van Renesse, Hakim Weatherspoon
Smart Spot Instances for the Supercloud. In Proceedings of the 3rd Workshop on
CrossCloud Infrastructures & Platforms (CrossCloud), in conjunction with
Eurosys, London, UK, April 2016.

Qin Jia, Zhiming Shen, Weijia Song, Robbert van Renesse, Hakim Weatherspoon
Supercloud: Opportunities and Challenges. In ACM Operating Systems Review (OSR).

Dan Williams, Hani Jamjoom, and Hakim Weatherspoon. The Xen-Blanket: Virtualize
Once, Run Everywhere. In Proceedings of ACM EuroSys, Bern, Switzerland, April
2012.

Dan Williams, Eslam Elnikety, Mohamed Eldehiry, Hani Jamjoom, Hai Huang, and
Hakim Weatherspoon. Unshackle the Cloud! In Proceedings of the 3rd USENIX
Workshop on Hot Topics in Cloud Computing (HotCloud), Portland, OR, June 2011.


EMAIL LISTS

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SLACK

Supercloud Slack

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©2015 Cornell University
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Mar. 11th - Apr. 11th