OpenADN: Service Chaining of Globally Distributed VNFs

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OpenADN: Service Chaining of Globally Distributed VNFs

Raj Jain Professor Washington University in Saint Louis Most of the discussion about interconnecting VNFs and service chaining has been in the context of inside a data center or via traditional leased lines between data centers. In this presentation we describe OpenADN Open Application Delivery Network which allows multiple providers to chain both applicationlevel and networklevel services via VNFs distributed globally on several private/public clouds. The providers can dynamically instantiate services anywhere globally and steer traffic dynamically and optimally depending upon the demand and current state. Because this is possible with complete privacy of payload, the technology also opens a new business opportunity for carriers by allowing them to offer application delivery services to other enterprise customers using carrier supplied or customers’ own VNFs, i.e., middleboxes, in a massively distributed and dynamically changing deployments.

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