Abstract
In the space-ground integrated network, management centers usually need to reliably send the same management information to different devices group. Considering the characteristics of satellite network in broadcast and limited resources, multicast protocol is more suitable for the device management than unicast protocol. However, the existing reliable multicast transport protocols tend to maintain a stable structure during the full lifecycle, which sharply reduces the efficiency and is not suitable for device management in satellite network. In this paper, we design a reliable multicast transport protocol for device management, which contains 2 key ideas: 1) In the aspect of acknowledgement aggregation, we design a rapidly tree-organized scheme for a temporary structure in each transmission, to reduce the time cost in dynamic multicast group forming. 2) In the aspect of local error recovery, we present an evaluation scheme in the quality of communication, to choose a less-energy-cost way between local multicast and local broadcast to relay. Effective performances of the schemes are showed in the experiments.
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