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  1. Proceedings of the 4th workshop on All things cellular: operations, applications, & challenges (AllThingsCellular '14)
  2. Dynamic tunnel switching for SDN-based cellular core networks
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Networking with massive MU-MIMO base stations
How green is multipath TCP for mobile devices?
SMORE: software-defined networking mobile offloading architecture
Building a cellular networking research program
Towards understanding TCP performance on LTE/EPC mobile networks
Increasing cellular capacity using ISM band side-channels: a first study
Dynamic tunnel switching for SDN-based cellular core networks
Performance of LTE in a high-velocity environment: a measurement study
SON conflict resolution using reinforcement learning with state aggregation
Applying NFV and SDN to LTE mobile core gateways, the functions placement problem
Cacheability of YouTube videos in cellular networks

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Dynamic tunnel switching for SDN-based cellular core networks

Content Provider ACM Digital Library
Author Flinck, Hannu Hillo, Jarmo Kallio, Marko Partti, Tapio Heinonen, Johanna Lappalainen, Kari
Abstract Future cellular networks are faced with the challenge of coping with significant traffic growth without increasing operating costs. Network virtualization and Software Defined Networking (SDN) are emerging solutions for fine-grained control and management of networks. In this article, we present a new dynamic tunnel switching technique for SDN-based cellular core networks. The technique introduces a virtualized Evolved Packet Core (EPC) gateway with the capability to select and dynamically switch the user plane processing element for each user. Dynamic GPRS Tunneling Protocol (GTP) termination enables switching the mobility anchor of an active session between a cloud environment, where general purpose hardware is in use, and a fast path implemented with dedicated hardware. We describe a prototype implementation of the technique based on an OpenStack cloud, an OpenFlow controller with GTP tunnel switching, and a dedicated fast path element.
Starting Page 27
Ending Page 32
Page Count 6
File Format PDF
ISBN 9781450329903
DOI 10.1145/2627585.2627587
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2014-08-22
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Epc packet gateway Dynamic gtp termination Software defined networking
Content Type Text
Resource Type Article
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