由于私有信道维护成本高，应用范围受限，本文提出了改进的算法。
Because of the high cost to protect private channel, an improved scheme is proposed in this paper.
CORBA核心服务的实现：研究实现信道服务、命名服务，提高系统效率，便于开发人员对系统进行更新和维护的方法。
Core services of CORBA: Study the accomplishment of Event service, Naming service in order to improve system efficiency and allow developers to perform system upgrade and maintenance.
路由协议通常使用较多的短报文进行路由的产生和维护，路由效率较低，不适合在超短波信道上运行。
Routing protocol usually use short packets to find out and maintain the routing information, which leads to the low efficiency. Thus it dose not fit the channel.
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