In mobile social network service (MSNS) environment, users can establish a group relying
on some relationships and share services within a group or among different groups. When the mobile
devices provide services for a user, some service transmission paths will fail because of device movement
or failure, and the user cannot receive required services. Recovering the service quickly and efficiently
is the main problem of this paper. This paper presents a new service transmission and recovery strategy based on
cluster in MSNS. Establishment mechanism of recovery point is adopted in the strategy. The recovery point is able to save
and maintain the service data received from the service provider. When the service transmission fails, the upstream recovery
point can directly resend the service data to its downstream recovery point. Simulation results show that this strategy
can save the transmission time and improve the probability of successful transmission.
Keywords: Cluster, communication, group. mobile social network service, recovery, transmission.
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