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中文摘要：
针对端到端方案在卫星可靠组播中存在的缺点，提出了一种分割连接的卫星可靠组播方案SCSRM，并从差错控制机制、拥塞控制机制、反馈抑制策略等方面对运行于卫星网络部分的传榆协议Sat-MTCP进行了详细的设计。仿真结果表明，即使在较差的信道条件下，SCSRM方案也可以达到较好的Goodput性能；由于采用了有效的反馈抑制策略和差错恢复策略，当接收者数量增大时，Goodput性能基本保持平稳，表现出良好的可扩展性；通过可用带宽的合理分配，保证了带宽公平性。
英文摘要：
In order to overcome the shortcomings of end-to-end transport protocols in satellite networks,a novel splliting-connection-based satellite reliable multicast （SCSRM） scheme was proposed in this paper,and the transport protocol operating in space segment, Sat-MTCP was designed in detail from the aspects of error control, congestion control and feedback suppression, respectively. Simulation results show that this scheme achieves satisfying Goodput performance even if the channel condition gets worse; owing to the efficient feedback suppression policy and error recovery policy, the Goodput performance maintains smooth as the receivers increases and fairness can be achieved by suitable bandwidth allocation.
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