Towards zero packet loss with LISP Mobile Node

Isah, Musab and Simpson, Steven and Sani, Yusuf and Edwards, Christopher James (2017) Towards zero packet loss with LISP Mobile Node. In: 2017 International Conference on Computing, Networking and Communications (ICNC): Wireless Networks :. IEEE, USA, pp. 265-271. ISBN 9781509045891

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Host mobility protocols such as Locator-Identifier Separation Protocol Mobile Node (LISP-MN) are known to experience packet loss at the point of handover. For the duration of the handover, packets sent to the MN via the old access link are dropped by the router since it has no way of knowing where the device has moved to. This affects the performance of transport layer protocols of the TCP/IP stack, which results in degradation of network performance. Buffering these packets close to the MN's new location and forwarding them to the MN on handover completion is one way of improving the overall performance of the mobility protocol. Hence, we introduce a novel network node, loc-server, to buffer these packets in order to mitigate the packet loss and reduce the service disruption time (SDT) experienced by MNs during handovers. Using a laboratory testbed implementation, LISP-MN with loc-server support shows significant reduction in packet loss and reduced SDT in comparison to vanilla LISP-MN. Similarly, performance analysis of DASH video player also shows the new architecture helps in improving the average video quality downloaded by the MN and reduces the player's instability.

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13 Jun 2017 10:00
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18 Jun 2024 23:43