Composing Software-Defined Networks

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Provided by: Princeton Software
Topic: Networking
Format: PDF
Managing a network requires support for multiple concurrent tasks, from routing and traffic monitoring, to access control and server load balancing. Software-Defined Networking (SDN) allows applications to realize these tasks directly, by installing packet-processing rules on switches. However, today's SDN platforms provide limited support for creating modular applications. This paper introduces new abstractions for building applications out of multiple, independent modules that jointly manage network traffic. First, the authors define composition operators and a library of policies for forwarding and querying traffic.
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