Because of the DDN data transmission business mainly is the enterprise data transmission between branches and headquarters, thus formed the single-ended to multiterminal, essentially hasn't changed, just end-to-end a continuation of a main side need to strengthen the transmission control function, due to the number of each department, data transmission and line to objective variable bandwidth and so on using that a router, to accomplish specific issues specific analysis, combined with local conditions to have a choice, do the real everything, prevent unnecessary capital investment,
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