A SIP-based method for intra-domain handoffs

Vali, D.; Paskalis, Sarantis; Kaloxylos, Alexandros; Merakos, Lazaros

doi:10.1109/vetecf.2003.1285389

Cited by 11 publications

(6 citation statements)

References 23 publications

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“…This has the benefit of reducing delay and packet loss during handoff and eliminating location updates between mobile nodes and their registrar. As a result, HSIP can reduce the signaling overhead and support seamless handoff [9,10]. Additionally, paging can be supported in HSIP.…”

Section: Open Accessmentioning

confidence: 99%

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SMR-Based Adaptive Mobility Management Scheme in Hierarchical SIP Networks

Choi¹,

Gil

2014

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In hierarchical SIP networks, paging is performed to reduce location update signaling cost for mobility management. However, the cost efficiency largely depends on each mobile node's session-to-mobility-ratio (SMR), which is defined as a ratio of the session arrival rate to the movement rate. In this paper, we propose the adaptive mobility management scheme that can determine the policy regarding to each mobile node's SMR. Each mobile node determines whether the paging is applied or not after comparing its SMR with the threshold. In other words, the paging is applied to a mobile node when a mobile node's SMR is less than the threshold. Therefore, the proposed scheme provides a way to minimize signaling costs according to each mobile node's SMR. We find out the optimal threshold through performance analysis, and show that the proposed scheme can reduce signaling cost than the existing SIP and paging schemes in hierarchical SIP networks.

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Section: Open Accessmentioning

confidence: 99%

“…The Hierarchical SIP scheme is proposed by Dimitr Vali [9,10]. This scheme is a micro mobility management scheme in SIP networks, which is similar to IDMP [11], HMIPv6 [14], and MIP-RR [15].…”

Section: Hsip Schemementioning

confidence: 99%

SMR-Based Adaptive Mobility Management Scheme in Hierarchical SIP Networks

Choi¹,

Gil

2014

Information

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“…Hierarchical SIP scheme is proposed by Dimitr Vali [15,16]. This scheme is a micro mobility management scheme in SIP networks which is similar to MIP-RR [19], HMIPv6 [20].…”

Section: Hsip Overviewmentioning

confidence: 99%

“…This has the benefit of reducing delay and packet loss during handover and eliminating registration between mobile nodes and their registrar. As a result, HSIP can reduce the signaling overhead and support seamless handover [15,16].…”

mentioning

confidence: 99%

A Caching Scheme to Support Session Locality in Hierarchical SIP Networks

Choi¹,

Kim

2013

Journal of the Korea Industrial Information Systems Research

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Most calls of a called user are invoked by the group of calling users. This call pattern is defined as call locality. Similarly Internet sessions including IP telephony calls have this pattern. We define it session locality. In this paper, we propose a caching scheme to support session locality in hierarchical SIP networks. The proposed scheme can be applied easily by adding only one filed to cache to a data structure of the SIP mobility agent. And this scheme can reduce signaling cost, database access cost and session setup delay to locate a called user. Moreover, it distributes the load on the home registrar to the SIP mobility agents. Our performance evaluation shows the proposed caching scheme outperforms the hierarchical SIP scheme when session to mobility ratio is high.

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“…In any event, both of the previous approaches are unsuitable for real time applications. In [17], Hierarchical Mobile SIP (HMSIP) is introduced for micro-mobility of MN. A new component called HMSIP agent is installed as a local registrar in every domain, and every mobile node registers with a HMSIP agent.…”

Section: Related Workmentioning

confidence: 99%

Improving layer 3 handoff delay in IEEE 802.11 wireless networks

Forte

Shin

Schulzrinne

2006

Proceedings of the 2nd Annual International Workshop on Wireless Internet - WICON '06

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In this paper we will analyze the many components of a L3 handoff and will introduce a novel algorithm for reducing the L3 handoff time. We will introduce the concept of Temporary IP address (TEMP IP) as a way to resume communication immediately after the handoff while waiting for the DHCP server to assign us a new IP address (NEW IP). We will show how, with our approach, it is possible to reduce the L3 handoff latency to values that in some cases allow us to have seamless VoIP sessions.

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A SIP-based method for intra-domain handoffs

Cited by 11 publications

References 23 publications

SMR-Based Adaptive Mobility Management Scheme in Hierarchical SIP Networks

SMR-Based Adaptive Mobility Management Scheme in Hierarchical SIP Networks

A Caching Scheme to Support Session Locality in Hierarchical SIP Networks

Improving layer 3 handoff delay in IEEE 802.11 wireless networks

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