August 2015
Intermediate to advanced
438 pages
15h 36m
English
Content preview from Software Defined Mobile Networks (SDMN)
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11Survey of Traffic Management in Software Defined Mobile Networks
Zoltán Faigl1 and László Bokor2
1Mobile Innovation Centre, Budapest University of Technology and Economics, Budapest, Hungary
2 Department of Networked Systems and Services, Budapest University of Technology and Economics, Budapest, Hungary
11.1 Overview
Due to the evolution of mobile technologies, in these days, high-speed data services are dominating in mobile networks both in uplink and in downlink. In function of the characteristics of data services, the usage patterns, and the user and network mobility patterns, the utilization of network resources is varying in time and location. As the volume of traffic demands increases, the amplitude of their variations grows as well. Existing network, resource, traffic, and mobility management mechanisms are too inflexible to adapt to these demands. Software defined mobile networks (SDMNs) aim at improving the scalability and adaptability of the mobile network architectures to varying traffic demands by applying host and network virtualization concepts, restructuring the network functions into parts that are running in data centers in virtualized environment and parts, which cannot be virtualized, for example, base transceiver stations.
This chapter first defines the scope of traffic management in mobile networks in Section 11.2, including microscopic, macroscopic, improved content resource selection, and application-supported traffic management. Section 11.3 gives ...
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