Decoupling Policy from Routing with Software Defined Interdomain Management Interdomain Routing for SDN-Based Networks

摘要

In this paper, we review why BGP is a poor candidate to facilitate the next generation of Software Defined Networks (SDN) and propose the Interdomain Management Layer (IML) architecture, a framework for facilitating interdomain resource sharing between these networks. IML uses a concept we call horizontal slicing, that allows SDN networks to become autonomous peers with other ASes, while maintaining centralized, operator-facing policy control and end-to-end flow control across interdomain boundaries.