SoftRAN: software defined radio access network
Proceedings of the second ACM SIGCOMM workshop on Hot topics in software defined networking
MOCA: a lightweight mobile cloud offloading architecture
Proceedings of the eighth ACM international workshop on Mobility in the evolving internet architecture
SoftCell: scalable and flexible cellular core network architecture
Proceedings of the ninth ACM conference on Emerging networking experiments and technologies
Suitability analysis of existing and new authentication methods for future 3GPP Evolved Packet Core
Computer Networks: The International Journal of Computer and Telecommunications Networking
Computer Networks: The International Journal of Computer and Telecommunications Networking
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Existing cellular networks suffer from inflexible and expensive equipment, complex control-plane protocols, and vendor-specific configuration interfaces. In this position paper, we argue that software defined networking (SDN) can simplify the design and management of cellular data networks, while enabling new services. However, supporting many subscribers, frequent mobility, fine-grained measurement and control, and real-time adaptation introduces new scalability challenges that future SDN architectures should address. As a first step, we propose extensions to controller platforms, switches, and base stations to enable controller applications to (i) express high-level policies based on subscriber attributes, rather than addresses and locations, (ii) apply real-time, fine-grained control through local agents on the switches, (iii)perform deep packet inspection and header compression on packets, and (iv)remotely manage shares of base-station resources.