| 1. | Pspdn : packet switched public data network
公众分组交换网 |
| 2. | Public packet switched network
公共分组交换网 |
| 3. | Packet switched network
分组交换网 |
| 4. | Circuit emulation provides a seamless migration approach to backbone psns without interruption of legacy services
摘要电路仿真对于电信网向分组交换网的平稳过渡有着重要意义。 |
| 5. | With the development of network technology , internet has come to play an important role more and more in people ’ s daily life and work . and ip packet - switch network is a representative of it
随着网络技术的迅猛发展,以internet为代表的各种ip分组交换网已经开始对人们的日常工作与生活产生越来越深刻的影响。 |
| 6. | Adopting advanced sdh light cable transmission facilities , the group exchange net , ddn data telecommunications net , isdn wide band net and xinji information net . xinji has advanced financial system
采用sdh先进的光缆传输设备，建成了分组交换网ddn数字数据通信网， isdn宽带和高水平辛集信息港，形成了高速大容量交互式的现代信息网络。 |
| 7. | Counties and cities have finished five projects of construction including local telephone net , divided into - group exchange net , digital date net , digital mobile communication net and newspapers - and - periodicals
17个县市区已完成了本地电话网分组交换网数字数据网数字移动通讯网报刊发行微机网五项建设，全市有线无线交叉，模拟数字兼容，高中低档并存，多功能多手段的现代先 |
| 8. | This thesis gives analysis on tdm circuit emulation structure in psn , describes the basic theory of tdmoip and the technology of encapsulation , based on which a applicable circuit emulation equipment application scheme
本论文对分组交换网中tdm电路仿真的体系结构进行了分析,描述了tdmoip的基本理论及适配、封装技术,在此基础上提出了一套可行的电路仿真设备实现方案。 tdmoip的技术依据是ietf的pwe3草案。 |
| 9. | Recently , with the rapid development of the high - speed ip network and internet and different digital data net ( ddn ) , isdn and atm being built and coming into operation , the video conference " use and development enter a new age . at the same time , it will be more and more welcomed by the client
近年来，随着高速ip网络及internet的迅猛发展，各种数字数据网、分组交换网、 isdn以及atm的逐步建设和投入使用，使会议电视的应用与发展进入了一个新的时期，同时，市场对会议电视的接受能力也上升到一个新水平。 |
| 10. | Mpls stands for " multiprotocol label switching " , it integrates the label - swapping paradigm with network - layer routingjt brings the te ( traffic engineering ) of atm to packet - based network and also it can run over nearly any transport medium ( atm , fr , ethernet . . . ) instead of being tired to a specific layer - 2 encapsulation
Mpls将atm中的流量工程引入了分组交换网中，而且它并不被限定在某一种二层协议上，能够运行在多种传输媒介上( atm ，帧中继，以太网) ，具有很强的适应性。 |
