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Reducing Keepalive Traffic in Software-Defined Mobile Networks with Port Control Protocol

Abstract : User applications, such as VoIP, have problems traversing NAT gateways or firewalls. To mitigate these problems, applications send keepalive messages through the gateways. The interval of sending keepalives is often unnecessarily short, which increases the network load, especially in mobile networks. Port Control Protocol (PCP) allows the applications to traverse the gateways and to optimize the interval. This paper describes the deployment of PCP in software-defined networks (SDN) and proposes a method to measure keepalive traffic reduction in mobile networks using PCP. The proposed solution extends the battery life of mobile devices and reduces the traffic overhead in WCDMA networks.
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Kamil Burda, Martin Nagy, Ivan Kotuliak. Reducing Keepalive Traffic in Software-Defined Mobile Networks with Port Control Protocol. 3rd International Conference on Information and Communication Technology-EurAsia (ICT-EURASIA) and 9th International Conference on Research and Practical Issues of Enterprise Information Systems (CONFENIS), Oct 2015, Daejon, South Korea. pp.3-12, ⟨10.1007/978-3-319-24315-3_1⟩. ⟨hal-01466220⟩

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