分组交换网络

基于分组交换网络仿真TDM电路技术的研究与设计

Discussion and Design of TDM Circuit Emulation Service Based on Packet Switched Network

本课题介绍了基于分组交换网络仿真TDM电路的方法。

In this paper , a method of TDM Circuit Emulation Service based on Packet Switched Network is introduced .

有QoS保证能力分组交换网络的体系结构设计

Architecture Design of Packet Switching Network with QoS Guarantee

在核心网领域，专家们已经达成使用IP分组交换网络的共识。

Specialists have arrived at a conclusion that IP packet switching will be the dominant technology in the back-bone networks .

Internet采用了广泛应用的TCP／IP协议，IP数据报的传送平台可以是任何现有分组交换网络。

Internet adopts a popular TCP / IP protocol and the IP data group 's transmitted platform can be any packet-switching network .

QoS技术是分组交换网络的关键技术，是网络仿真首先要考虑的问题。

QoS is the key to the packet-switched network and should be considered with high priority for the network simulation .

与集成服务模型相比，区分服务不仅具有良好的可扩展性，而且更容易在传统IP分组交换网络上实现。

In contrast to integrated service architecture , DiffServ is not only more scalable , but also easier to be deployed in traditional packet switching networks .

对数据流量进行合理调度在诸如TCP/IP这样的分组交换网络提供QoS服务过程中是很重要的。

It is important to schedule data traffic reasonably if QoS is required in a packet switched data network such as TCP / IP network .

ITU-T制定的H.323标准是在分组交换网络上运行会议电视系统的国际标准。

ITU-T Recommendation H.323 is an international standard of videoconferencing systems over packet-based networks .

Banyan分组交换网络非阻塞方法探讨

The Approach of Nonblocking Methods About Banyan Packet Switch Network

由于技术和成本问题，传统电路交换网络与基于IMS的分组交换网络还将会在很长时间内并存。

Traditional circuit-switched network will coexist with packet-switched network based On IMS for a long period because of technology and cost .

利用铁路既有的列车无线调度通信系统和铁路分组交换网络，结合GPS技术，提出了一种实现机车运行信息实时传输的方案。

This paper presented a communication solution of real-time operating data transmission system of moving locomotive by the existed train dispatching radio communication system , the railway packet switched network and GPS .

90年代中期以来，Internet的飞速发展对电信业产生了巨大而深远的影响，基于分组交换网络的多媒体通信系统逐渐成为人们关注的焦点。

From the 90 's middle period , the fast development of Internet takes great effect on the telecommunication trade , and multimedia communication system based on the packet switching network becomes the focus of people 's concern .

在分组交换网络中，用于视频会议系统的多媒体会话信令协议主要有H.323和SIP。

H. 323 and SIP are the main signaling protocols which control multi-media sessions in a multimedia conference system over the packet network .

由于两者均可在分组交换网络上实现语音、多媒体等通信业务，因此研究两者间的互通对于实现在NGN中更方便地提供多媒体业务有着重要的实际意义。

So studying the interworking between them have important and actual signification for more convenient implementation of providing multimedia service in NGN system .

文章首先对目前分组交换网络中支持QoS的队列调度算法进行了比较研究，分析了其性能指标和技术特点。

In this paper , we firstly analysis and comparison of the recent queue scheduling algorithms for QoS support in packet switching networks , analyze their performance objectives and technology attributes thoroughly .

通过案例研究讲解集中部署方案，重点介绍ATM、以太网和帧中继边缘服务如何能够部署在分组交换网络中。

Taking a case study approach to several deployment scenarios , the primary focus is on how ATM , Ethernet , and Frame Relay edge services can be deployed over packet-switched networks .

VoIP是指在IP数据网络上提供通话服务，由于VoIP承载于分组交换网络，其信令协议和实时数据在Internet上传播，它继承了网络易受攻击的缺点。

VoIP is a breakthrough technology for network communications , it is based on Packet-Switched Network , its signal protocol and real-time data travels over the internet . Thus , it can be easily attacked .

本文分析了分组交换网络上现有的主流多媒体通信协议（H.323和SIP）的结构、组成及各自的特点；

This paper analyses the structures , forms , and traits of the main multimedia communication protocols ( h. 323 and sip ) over packet - based networks ;

它是一个稀路由的分组交换网络，支持OSI的第1，2，3层协议。

It is a block switch network of the single pass , which supports the first , the second and the third protocols of OIS .

323建议是由ITU-T制订的基于分组交换网络（PBN）的多媒体会议系统。

323 suggestion is a multimedia meeting system which is based on the packet exchange network ( PBN ) and made by ITU-T.

基于VOQ的输入排队交换结构是当前分组交换网络最常用的结构。

The input queuing switching architecture with VOQ is widely used in modern packet switching fabrics .

基于分组交换网络的B-Reno性能研究

Study on B-Reno 's performance over packet switching networks

本文从当前网络发展的背景出发，首先介绍了基于分组交换网络仿真TDM的原理，两种仿真技术的差异。

In this paper , by analyzing the current network development trend , first , introduced basic theory of Circuit Emulation Service over Packet Switched Network , and difference of two circuit emulation technologies .

VoIP采用分组交换网络进行通信，通信链路可以多方共享，促进了网络资源利用效率，降低了语音业务成本，因此在全球范围内得到了迅速的发展。

VoIP transmits the voice data for communication through packet switching network and the communication channel can be shared by multi-partners , which promote the efficient use of network and reduce the cost of voice business . Therefore , VoIP achieves rapid development in the world .

随着电力通信网中数据业务的急剧增加，传统的以SDH技术为基础的电力承载网需要向分组交换网络演进，分组传送网技术（PTN）的引入使得传送网技术焕发出新的活力。

With the exponential growth of data services in the network , the traditional electric power communication network with SDH technology-based needs to evolve to packet-switched network . The introduction of Packet Transport Network ( PTN ) will make the transport technology improve easily .

桌面视频会议是近年来网络应用的重点，国际电信联盟（ITU）也为基于分组交换网络（PBN）的多媒体会议系统制定了H.323建议。

Desktop video conference system is one of the focuses in internet application in recent years , and the International Telecommunication Union ( ITU ) has been also purposed the Recommendation H.323 for multimedia commu-nications over Packet Based Networks ( PBN ) .

边缘到边缘伪线仿真（PWE3）是为实现传统通信网络与现有分组交换网络（PSN）的融合而提出的一种解决方案，以此达到资源的共用和网络的拓展。

Pseudo-Wire Emulation Edge-to-Edge ( PWE3 ) is a solution which is provided for the convergence of traditional communication network and existing Packet Switched Network ( PSN ) . so as to achieve the sharing of resources and extension of networks .

该系统能够使光分组交换网络稳定、高效地运行。

The system can make OPS network operate stably and efficiently .

光分组交换网络中光缓存技术的研究

The Research on Optical Buffer Technology in Optical Packet Switching Network