port mapping meaning in English

端口映射

Lun masking can be either server - based address masking or storage based port mapping
可以是基于服务器的地址掩码，或者是基于存储的端口掩码。
The way in which many inside hosts use one ip has been realized by port mapping . processing time is reduced due to the adoption of hash . the problem that nat fails to support ftp have been settled by sequence repairing
采用hash算法，减少了查找映射表的处理时间，通过对序列号的修补，解决了nat技术不能支持ftp的问题。透明代理包括透明通道和应用代理的实现。
4 . in the realization of passing through module , this paper analyzes advantages and disadvantages of several kinds of passing through scheme which has been used at present , and relates in detail the reasons why we select stun . then the paper designs the function rtcportmanager ( ) , which uses stun to get the ip address and the port mapping relation , and revises message content of sip and sdp to implement
4 .在穿越模块实现中,分析当前可用穿越方案的优缺点,详述选用stun的原因;设计穿越函数rtcportmanager ( ) ,使用stun取到ip地址和端口的映射关系,修改sip和sdp消息的内容,从而实现纯粹的软件穿越。