Mobility–Multihoming Duality

Ryo Yanagida and Saleem Noel Bhatti ()
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Ryo Yanagida: School of Computing Science, College of Science and Engineering, University of Glasgow, Glasgow G12 8RZ, UK
Saleem Noel Bhatti: School of Computer Science, University of St Andrews, St Andrews KY16 9SX, UK

Future Internet, 2024, vol. 16, issue 10, 1-42

Abstract: In modern Internet-based communication, especially mobile systems, a mobile node (MN) will commonly have more than one possibility for Internet Protocol (IP) connectivity. For example, an MN such as a smartphone may be associated with an IEEE 802.11 network at a site while also connected to a cellular base station for 5G. In such a scenario, the smartphone might only be able to utilise the IEEE 802.11 network, not making use of the cellular connectivity simultaneously. Currently, IP does not allow applications and devices to easily utilise multiple IP connectivity opportunities—multihoming for the MN—without implementing special mechanisms to manage them. We demonstrate how the use of the Identifier Locator Network Protocol (ILNP), realised as an extension to IPv6, can enable mobility with multihoming using a duality mechanism that treats mobility and multihoming as the same logical concept. We present a network layer solution that does not require any modification to transport protocols, can be implemented using existing application programming interfaces (APIs), and can work for any application. We have evaluated our approach using an implementation in Linux and a testbed. The testbed consisted of commercial equipment to demonstrate that our approach can be used over existing network infrastructure requiring only normal unicast routing for IPv6.

Keywords: identifier locator network protocol (ILNP); internet protocol v6 (IPv6); multipath (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2024
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