Once in place on authorized SynchronousOptical Networks (SONET), users will experience significantly less network delay, or latency, common to securing large information files.
一旦获同步光纤网络(SONET)授权，将显著减少用户网络延迟或等待的时间，确保大型信息文件安全。
2
The access network and inter-exchange transport of the PSTN use synchronousoptical transmission (SONET and SDH) technology, although some parts still use the older PDH technology.