这就意味着目前存在的面向连接的和电路交换的网络必须升级，以便能够支持分组交换的数据业务。
This means that many of the existing connection-oriented or circuit-switched networks will need to be upgraded to support packet-switched data traffic.
OBS网络中结合了电路交换和光分组交换的优点，是两者之间的平衡选择。
OBS networks combine electronic switching and optical Packet switching's strongpoint, is a balanceable choice.
光突发交换(OBS)是兼顾光电路交换和光分组交换优点的一种折衷方案，是未来光互联网的一种实现形式。
Optical burst switching (OBS) is a compromising method combining the advantages of optical circuit switching and optical packet switching and is a promising optical internetworking form in the future.
目前移动通信网络主要由电路交换(CS)域，分组交换(PS)域和IP多媒体子系统(IMS)域三个部分构成。
At present, the mobile communication network is mainly divided into three domains which are circuit-switching (CS) domain, packet switching (PS) domain, and IP Multimedia Subsystem (IMS) domain.
未来WCDMA无线网上承载的是包括电路交换域（CS）和分组交换域（PS）的混合业务，因此WCDMA无线网规划的质量高低与混合业务测算的方法直接相关。
The WCDMA wireless network will carry hybrid services of CS and PS. The calculation method of hybrid services capacity directly relates to the network planning result.
在这里概述的题目包括点对点链路，电路交换，分组包交换，虚电路，拨号服务，和WAN设备。
Topics summarized here include point-to-point links, circuit switching, packet switching, virtual circuits, dialup services, and WAN devices.
最近，光突发交换技术的出现掀开了光通信技术的新篇章，它是光电路交换和光分组交换的折中方案。
Recently, optical burst switching, or OBS, which represents a balance between circuit and packet switching, has opened up some exciting new dimensions in optical networking.
最近，光突发交换技术的出现掀开了光通信技术的新篇章，它是光电路交换和光分组交换的折中方案。
Recently, optical burst switching, or OBS, which represents a balance between circuit and packet switching, has opened up some exciting new dimensions in optical networking.
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