Mobility-Sensitive Multicast Protocol in NEMO

• Long-Sheng Li,
• Hung-I Chi,
• Kai-Chung Xie,
• Din-Yuan Chan,

Vol. 16, No. 6, June 30, 2022
10.3837/tiis.2022.06.012, Download Paper (Free):

• mobility networks
• Network mobility (NEMO)
• Multicast Protocol
• multicast source
• multicast tree.

Abstract

In view of the past, the mobility of the multicast source in the mobility networks is seldom discussed in the traditional multicast protocols. It is a heavy cost for the traditional multicast protocols to reconstruct the multicast tree in the Network Mobility (NEMO) environment. This article proposes an alternative multicast protocol, referred to as Mobility-Sensitive Multicast protocol (MSM), for the NEMO environment. The MSM can be considered as an alternative version of the Multicast Listener Discovery (MLD) protocol to maintain the multicast tree in the NEMO. There are two obvious contributions for the MSM. Reconstruct mechanism could rebuild the multicast tree for the mobility of the multicast source. Multi-group suppression mechanism reduce the multicast tree maintaining cost for the mobility of the multicast members. Through the performance evaluations and analyses, the MSM has less cost to maintain the multicast tree than the traditional multicast protocols, especially for a large numbers of multicast groups. Moreover, the MSM allows the mobility of the multicast source to reconstruct the multicast tree easily.

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