分组交换技术

基于传统电信网的成本模型已不适用于基于分组交换技术的IP网络。

The cost model for traditional telecommunication network can not be adapted to IP network which is using packet switching technologies .

对于IP电话系统而言，由于采用了分组交换技术，由2/4线转换器阻抗不匹配而产生的回波在系统中传输的时延较长，这将加重回波对语音通信的影响。

Because IP telephone systems employ the packet switching technology , the echo signals generated by the Hybrid due to the impedance mismatch usually experience longer transmitting delay , which significantly decrease the speech communication quality .

分组交换技术的发展对互联网的兴起和互联网协议（IP）很重要。

The packet switched technology has grown in importance with the rise of the Internet and Internet protocol ( IP ) .

交通信息采集系统中基于分组交换技术的GPRS应用与系统设计

The system design and application of GPRS based on the packet switching in the traffic information center system

随着互联网的迅速发展、以网络为中心的计算时代的到来，通信网正在完成从电路交换技术转向分组交换技术，特别是无连接IP技术的战略性转型。

Along with the fast development of the Internet , the main technology used in the communication network is changing from circuit-switched technology to the packet-switched technology , especially to the connectionless IP technology .

传输部分由中国移动提供的通信信道借助GPRS无线分组交换技术，实现数据透明转发。

Transmits partially the communications channel which provides by China mobile with the aid of the GPRS wireless grouping exchange technology , realizes the data transparently to retransmit .

NGN将是基于分组交换技术的全业务IP网络，支持电话业务、数据业务和视频流媒体业务等。

NGN will be an IP network with whole services based on packet switch technology , which will support telephone service , data business and video stream media service , etc. No.

iDEN数字集群通信系统无线分组交换技术的分析和实测

Working with Wireless iDEN Telecommunication System on Analysis and Measurement of Wireless Packet Data Technology

帧中继（FR）作为一种快速分组交换技术，能够按需动态分配带宽，适于突发性，高速率和大流量的数据传输。

As a king of fast packet exchange network , Frame Relay ( FR ) can distribute bandwidth on demand , which is fit for paroxysmal , high speed and huge flux data transportation .

在此背景下，利用IP技术转发语音数据。通过分组交换技术实现语音通话的VoIP技术蓬勃发展起来，相比当前大量使用的模拟电路通信技术，数字语音通信技术具有网络结构更加简单。

In this background , the VoIP technology which transfers the voice data through IP datagram and realizes voice calls through the packet switching technology gets vigorous development . Compared with the current extensive used analog circuit communication technology , it has lots of advantages .

在网络信息量爆炸式增长、IP业务将成为电信网的主导业务的今天，光分组交换技术利用其交换容量大、带宽利用率高等优势，成为光交换网络的最终理想方案。

For these days , there is an explosive growth of network information , and IP service will become the dominant business in telecommunication network . Optical packet switching takes full advantage of large switching capability and high bandwidth utilization , will become the idea scheme of optical switching network .

文章比较了电话交换、广播电视接入方式和分组交换技术的特点，提出了综合这三种业务的面向连接的NGN网络的路由交换与分配方案。

By comparing the technology characteristics of telephone switching , broadcast and television access mode , and packet switching , here propounds a scheme of route switching and allocation of connecting orienting next generation net witch synthesizes the three kinds of services .

光突发交换技术结合了传统光电路交换和光分组交换技术的优点又克服了二者的缺点，是下一代IPoverWDM光网络采用的一种有效的光交换技术。

OBS ( Optical Burst Switching ) possess the merits of both Optical Circuit Switching ( OCS ) and Optical Packet Switching ( OPS ) and overcomes some flaws of these two kinds of Switching , so it becomes an efficient technology for the next generation IP over WDM network .

光突发交换（OBS）技术是当前全光交换网络技术的研究热点之一，光突发交换克服了光电路交换和光分组交换技术的缺点，被认为是一种具有广阔发展前景的交换技术。

Optical Burst Switching ( OBS ) technology is an active research area in all optical networking technologies . It is a promising paradigm for the next generation optical network , which combines the benefits of optical circuit switching and optical packet switching .

多级多平面（MPMS）分组交换技术能够将多个小规模交换单元汇聚成大规模交换网络，从而突破单一交换单元的容量限制，极大地提高了路由交换设备的可扩展性。

The novel multiple plane and multiple stage ( MPMS ) packet switching technology can integrate multiple small-scale switching units into a large switching network , which is able to break the bottleneck of single switching fabric and increase the scalability of network routers .

采用分组交换技术构造网络化不停车收费系统

Network Construction of Electronic Toll System with Packet Switch Technique

针对信息高速公路的特点和要求，通信网要采用快速分组交换技术。

Fast packet switching will be the prevailing technique in the infomation highway .

最新网络三层分组交换技术及其应用

The Latest 3-layer Packet-Switch Technology and its Application

信息高速公路中的快速分组交换技术

Fast Pacet Switching for Information Highway

因此，多级多平面分组交换技术得到了学术界和产业界的广泛重视。

Therefore , the MPMS switching technology is causing more and more attention from academic and industry domains .

光分组交换技术的引入，改善了带宽的利用率和网络的灵活性，延伸了光的透明性。

The introduction of OPS has improved the use rate of bandwidth and flexibility of network , extended the optical transparency .

它是一个针对特殊需求而设计的嵌入式系统，在网络层采用分组交换技术，以提高网络资源的利用率；

To enhance the utilization performance of network resource , the grouping exchange technology was applied in the network layer in this system .

但是，由于缺乏理论基础和数学模型，多级多平面分组交换技术的研究目前尚处于起步阶段，很多重要的技术难题尚未解决，严重影响了实际应用。

The MPMS switching technology , however , is only at its initial research phase for lacking of theoretic basis and mathematics models .

因此光分组交换技术将对下一代网络的发展产生深远的影响。

It is our belief that all-optical packet switching will eventually emerge as one such technology , which will significantly impact on next generation networks .

三网融合是网络技术发展的方向，基于三网融合的未来网络将会是一个基于分组交换技术、综合开放的多业务网络。

Triple Play is the goal of network technology development . The future network based on Triple Play will be an open integrated infrastructure based on packet switching technology .

torus网络具有大容量、易扩展、高可靠性等优点，正好满足下一代核心路由器对分组交换结构技术的要求。

Torus networks have the advantages such as high capacity , scalability and reliability , so they meet the requirements of the PSF in next-generation core routers .

光分组交换网络技术展望

Advances in photonic packet switching systems

光分组交换节点技术

Optical Packet Switching Node Technology

由于目前缺乏光随机存储器和成熟的全光处理技术，光分组交换网络技术还处于研究阶段；

All optical packet switching networks are still in their experimental stage because we lack optical random access memory and mature all optical processing technologies nowadays .

但是对光因特网来说，由于光逻辑与光存储等器件不成熟，发展全光分组交换，技术上异常困难。

But as for optical Internet , because of lacking of optical logical devices and optical buffer , very high bit-rate all-optical packet switching is difficult to realize .