Subharthi Paul, Raj Jain, "OpenADN: Mobile Apps on Global Clouds Using OpenFlow and Software Defined Networking," First International workshop on Management and Security technologies for Cloud Computing (ManSec-CC) 2012, Decenber 7, 2012, in conjunction with IEEE Global Communications Conference (Globecom) 2012, Anaheim, CA, December 3-7, 2012.


In recent years, there has been an explosive growth in mobile applications (apps), most of which need to serve global audiences using cloud based computing facilities. Cloud computing provides unique opportunities for the application service providers (ASPs) to manage and optimize application delivery over geographically distributed computing resources. We propose the design of an open application delivery network (openADN) platform which allows ISPs to offer custom application delivery services. This is possible using Software Defined Networks (SDN), which provides new opportunities for designing control architectures for networks by providing cleaner abstraction between the network control and data planes.

We make a case for augmenting the flow abstraction layer of SDN to add adequate support for application-level flows. Using several other recent innovations such as cross-layer communication, ID/Locator split, MPLS-like label switching, OpenADN allows ISPs to offer load balancing, fault tolerance, and other similar middle-box services to ASPs. We validate our claims about the usefulness of OpenADN through the implementation of a use-case scenario designed over a prototype switch implementation.

The proposed design is evolutionary in the sense that it can coexist and is backward compatible with the current Internet and can be deployed incrementally now with a small number of new devices. Those ISPs that deploy these OpenADN aware OpenFlow switches and those ASPs that connect to these switches will be able to benefit immediately from the technology. ISPs and CSPs (Cloud Service Providers) can also offer middle-box services to ASPs. Best of all, this can be done now while the SDN technology is still evolving.

Complete paper in Adobe Acrobat format.

Workshop presentation slides.

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