Abstract
The current level of convergence between fixed and mobile infrastructures is not sufficient to allow the most efficient use of heterogeneous access network resources (fixed, mobile, Wi-Fi) while facing the exponential growth for data traffic demand. Pooling or sharing of fixed and mobile network infrastructures is already possible in the present mode of operation; however, there is still a long way to go before reaching an effective convergence leading toward common network functions, nodes, and gateways. In this chapter, we discuss how to realize convergence in the framework of the next-generation point of presence (NG PoP). The NG PoP introduces the new concept of a flexible platform in the Telco’s network hierarchy that combines aggregation of fixed and mobile access traffic, IP edge routing, and the ability to host additional network functions and services. In the NG PoP framework, different types of networking as well as service and application functions can be hosted at the IP edge, starting with virtual residential gateway, broadband network gateway, and evolved packet core. Likewise, we introduce two other important concepts which we consider essential in the path toward convergence: the converged subscriber data and session management and the universal access gateway. Such a truly converged approach will naturally leverage on NG PoP. Furthermore, we introduce some design principles and initial dimensioning figures, privileging the NG PoP realization as an open and flexible platform benefiting from network function virtualization and software-defined networking concepts.
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References
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Acknowledgments
This work was supported by several colleagues from Orange and from partners of European project COMBO and has received funding from the European Union’s seventh framework program (FP7/2007–2013) under grant agreement no. 317762.
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Bertin, P., Mamouni, T., Gosselin, S. (2017). Next-Generation PoP with Functional Convergence Redistributions. In: Tornatore, M., Chang, GK., Ellinas, G. (eds) Fiber-Wireless Convergence in Next-Generation Communication Networks. Optical Networks. Springer, Cham. https://doi.org/10.1007/978-3-319-42822-2_12
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DOI: https://doi.org/10.1007/978-3-319-42822-2_12
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