Mobility management alternatives for migration to mobile Internet session-based services

Kazutaka Murakami, Oliver Haase, Jae Sheung Shin, Thomas F. La Porta

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Session-based Internet protocol (IP) applications, such as Internet telephony, are an important component of the emerging mobile Internet. The ubiquitous availability of these services is critical to the success of the mobile Internet. Because all-IP networks will be deployed in phases and current mobile telecommunication systems will be in operation for decades to come, the interworking and migration between current network services and all-IP services is a key problem. In this paper, we address seamless roaming for session initiation protocol-based services across current cellular telecommunication networks and emerging all-IP wireless networks, such as those using third-generation and WiFi networks. We present an abstract mobility model, and map this model to three basic approaches for supporting seamless mobility: a master-slave approach, a federated system, and a unified approach. We discuss the challenges and implementation of an instance of the unified mobility management approach, called the Unified Mobility Manager, and then compare the tradeoffs of the three systems using a comparative performance analysis. We conclude that unified mobility management is most efficient if a great deal of interworking is required, and as more users invoke IP-based services; the federated approach is efficient when a single network technology is dominant and data access is limited, but requires sharing of data across networks; the master-slave approach is the least efficient, but is easy to introduce if the number of network types is small.

Original languageEnglish (US)
Pages (from-to)818-833
Number of pages16
JournalIEEE Journal on Selected Areas in Communications
Volume22
Issue number5
DOIs
StatePublished - Jun 1 2004

Fingerprint

Internet protocols
Internet
Internet telephony
Mobile telecommunication systems
Telecommunication networks
Wireless networks
Managers
Availability
Network protocols

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

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Mobility management alternatives for migration to mobile Internet session-based services. / Murakami, Kazutaka; Haase, Oliver; Shin, Jae Sheung; La Porta, Thomas F.

In: IEEE Journal on Selected Areas in Communications, Vol. 22, No. 5, 01.06.2004, p. 818-833.

Research output: Contribution to journalArticle

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