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Network coding (NC) is a novel coding technology that can be seen as ageneralization of classic point-to-point coding. As with classic coding, bothinformation theoretical and algebraic views bring different and complementaryinsights of NC benefits and corresponding tradeoffs. However, the multi-usernature of NC and its inherent applicability across all layers of the protocolstack, call for novel design approaches towards efficient practicalimplementation of this technology.  In this paper, we present a possible way forward to the design of NC as avirtual network functionality offered to the communication service designer.Specifically, we propose the integration of NC and Network FunctionVirtualization (NFV) architectural designs. The integration is realized as atoolbox of NC design domains that the service designer can use for flowengineering. Our proposed design framework combines network protocol-drivendesign and system modular-driven design approaches. In particular, the adaptivechoice of the network codes and its use for a specific service can then betailored and optimized depending on the ultimate service intent and underlying(virtualized) system or network.  We work out a complete use case where we design geo-network coding, anapplication of NC for which coding rate is optimized using databases ofgeo-location information towards an energy-efficient use of resources. Ournumerical results highlight the benefits of both the proposed NC designframework and the specific application.

Design of Virtualized Network Coding Functionality for Reliability Control of Communication Services over Satellite