查询词典 routing

First, the satellite constellation topology and the satellite network are introduced in this paper. A comprehensive overview on LEO satellite network routing algorithm research status is given, including the comparisons of several major LEO satellite network routing protocols like DT-DVTR(Discrete Time Dynamic Virtual Topology Routing)、AR and FSA.

本文首先介绍了卫星星座的拓扑结构和卫星网络的组网方式，对LEO卫星网络路由算法研究现状进行了综述，对主要的几种LEO卫星网络路由协议如DT-DVTRDiscrete Time Dynamic Virtual Topology Routin(来源：554fABC论文网www.abclunwen.comg、AR和FSA等进行了详细的比较并论述了它们具有的优点和存在的缺点。

The next generation optical network will be divided into multiple routing domains to improve the performance of routing and signaling, network reliability, scalability and security. It will be essential to define the border of network management and to adopt the technology of distributed management and hierarchical routing.

为了定义网络的管理边界、提高路由和信令的性能、提高网络的可靠性，可扩展性和安全性以及兼容不同系统间的技术差异，以ASON为代表的下一代光网络将被划分为多个路由域，采用分布式管理和分层的网络路由体系。

Secondly, by analysis of hierarchical routing strategy hierarchical organization network reduced the routing table size through node and intercluster routing tables.

其次，对分层分布式网络节点之间的路由选择策略进行了分析，分层组织网络采用分层路由方式即节点路由和群层路由来减小路由表的尺寸。

The analysis of the optical signal transmission characteristics and the physical parameters provides the theoretical foundation for optimizing the design and improving the performance of AWG; and the optimizing design numerical value calculation method solves the complex problem of the optimizing design of the AWG, it can also provide a way for AWG computer aided design system; the AWG optical signal processing analysis provide a way for optical signal Fourier transform, serial and parallel transmission, circle shift, matrix transform and differential processing; the optical signal processing characteristics of AWG develop AWG to use for new field, and the optical signal processing will play an important role on all-optical networks in the future; by the definition of the wavelength transform matrix of the AWG, the signal output positions that come from these input signals of the different wavelength or the same wavelength but the different input ports and carrying different signals can be accurately determined, and the wavelength transmission matrix plays an important role for analyzing the routing of the complex optical network, or designing the network nodes such as the optical path add/drop multiplexer and optical cross connect device; the wavelength transmission matrix also provides a method for monitoring and managing the wavelength transmission of the optical network nodes; e analysis of the AWG' OXC node structure and wavelength routing provides a way for realizing the OXC, especially for multi-path/multi-wavelength OXC and the intelligence node of the optical networks; by the studying of the control plain characteristics, router, traffic engineering, program and the improved arithmetic of the wavelength routing, the method for realizing the GMPLS' OXC optical transport network is provided, and it play an important role for the study of the automatic switched optical network; the time-frequency analysis can provide more information about the dispersion and energy changes of .the pulsed light transmission in the singlemode fiber, it also provides more useful parameters for analyzing the dispersive accumulating and dispersive compensating.

AWG光信号传输特性与相关参数的分析，为进一步优化设计AWG及提高其性能提供了理论依据，而优化设计计算数值方法解决了AWG优化设计计算的复杂问题，为进一步建立AWG的计算机设计系统提供了基础；AWG光信号处理的特性分析，提出了AWG应用的新领域，为光信号的傅立叶变换、串并传输、循环移位、矩阵变换、微分处理等提供了一条途径；波长传输矩阵变换关系的建立，不仅得到了确定多路AWG每路信号从输入端口到输出端口的准确输出位置的方法，而且在分析应用AWG实现复杂的光通信网络路由的连接、特别在设计分插复用器和交叉连接器等网络节点时有重要的作用，能有效而准确地确定波长的路由关系，为实现节点波长传输路由的监控和管理提供有效手段；基于AWG的OXC结构和波长路由的确定为实现OXC技术、特别是多路多波长的OXC和光网络的智能节点技术提供了有效的方法；控制平面的特征、路由器、流量工程、程序及改进的波长路由算法的研究实现了基于GMPLS的OXC光传送网络的控制平面，为建立自动交换光网路提供了一定的基础；时频分析可以更直观和更清晰地描述脉冲信号在单模光纤中传输色散和能量的变化，为色散积累和色散补偿提供有效的分析参数。

in a routing as, multiple igp and egp protocols are used to exchange routing information.this paper extends the function of rip based on the deep analyze of rip protocol and modification of quagga code.normal rip measures the distance through the number of hops as the metric.this paper introduces some new command factors combining the hop and adds new entries into the routing table for in order to extend the functionality of quagga and protect the network.

通过对rip协议的深入研究和对quagga代码的分析、修改，文章对rip协议的运用进行了扩展。普通的rip协议以到达接口的跳数作为衡量距离的标准，文章在此基础上引入新的命令因子（阻塞命令、非阻塞命令、系统负载等），这些命令与跳数的转换相结合，向路由表内加入特殊路径，从而实现quagga功能的扩展和网络的保护。

A simulation is done between MAODV and AODV with software. From the simulation results under different node speed, it indicates that MAODV could decrease the average of ETE delay and offer lower routing overhead effectively. MAODV can complete routing discovery, package retransfer and self-organize when the network topology is changed, MAODV routing protocol is useful to establish Ad hoc networks in military communication.

应用软件对MAODV路由协议和传统的ADOV路由协议进行了仿真，通过在节点不同移动速度下的网络性能进行仿真比较，结果表明，MAODV路由协议能有效地减小分组端到端传输的平均时延，降低协议开销，能够根据网络的拓扑变化进行自组织，完成路由的发现和分组的中转等基本功能，为自组网在军用通信中的运用奠定了基础。

Routing tables are continuously built and rebuilt by intelligent discovery protocols, such as Routing Information Protocol or Open Shortest Path First. Each router/'s routing table shows the best route to the destination address; for addresses that may be several hops away, it shows the best next－hop router.

万一目的地的MAC地址没有出现在ARP高速缓存中，路由器必须向与包的目的IP地址有关的子网广播一个ARP请求，拥有此IP地址的端站就作出响应，把MAC地址发送回去，路由器因此更新高速缓存，把新的MAC地址装进包的报头并发送该包。

Routing tables are continuously built and rebuilt by intelligent discovery protocols, such as Routing Information Protocol or Open Shortest Path First. Each router/'s routing table shows the best route to the destination address; for addresses that may be several hops away, it shows the best next－hop router.疯狂英语学习网 e37.com.cn

万一目的地的MAC地址没有出现在ARP高速缓存中，路由器必须向与包的目的IP地址有关的子网广播一个ARP请求，拥有此IP地址的端站就作出响应，把MAC地址发送回去，路由器因此更新高速缓存，把新的MAC地址装进包的报头并发送该包。

For a given routing plane, grid of the routing plane is performed for two-terminal net routing method based on a genetic algorithm according to the obstacle conditions, and then the grid is numbered .

对于给定的布线平面，基于遗传算法的两端线网布线方法首先根据障碍情况对布线平面进行网格化，然后对网格进行编号，用一系列网格序号的有序排列来表示两端点的布线路径，以多条布线路径组成的群体作为优化搜索基础，最后采用遗传算法对此群体进行遗传操作，得到两端线网的最短路径。

For a given routing plane, the algorithm firstly generates its corresponding Non-Uniform Grid Graph, after that, it uses optimal maze routing algorithm guided by calculated detoured length to complete the final routing.

对于给定的布线平面，算法首先生成该布线平面的非均匀网格图，然后以绕障长度为布线参数，采用优化迷宫算法完成具体的布线过程。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失