查询词典 network address

The extended address length eliminates the need to use network address translation to avoid address exhaustion, and furthermore simplifies aspects of address assignment and renumbering when changing providers.

扩展的地址长度，无需使用网络地址转换，以避免处理用尽，而且简化方面的地址分配和重新编号时，改变供应商。

The method comprises searching the undermost leaf node corresponding to a key word in a pre-established index tree; acquiring a block corresponding to the leaf node in the pre-stored IP address area of the virtual private network and corresponding index information, wherein the block comprises one or more consecutive IP address area and corresponding index information; acquiring the IP address area to which the key word belongs in the block; and searching the routing list corresponding to the index information according to the indexing information corresponding to the IP address area.

所述方法包括：在预先建立的索引树中查找关键字对应的最下层的叶子节点；在预先存储的虚拟私用网的IP地址区间和对应的索引信息中，获取叶子节点对应的块，该块包括一个或多个连续的IP地址区间和相应的索引信息；在该块内获取关键字所属的IP地址区间；根据该IP地址区间对应的索引信息，找到该索引信息对应的路由表项。所述装置包括：查找模块和获取模块。

So instead of viewing the IP address associated with the URL as the network address, this address points to the virtual IP address of the Web switch, which functions as a cache or content traffic manager.

因此，并不是把与该url有关的ip 地址看成网络地址，该地址指向web交换机的虚拟ip 地址，它起到缓存或内容流量管理器的作用，其结果是：web网站用户有了始终一致的性能。

The Design of Network File System According to the Virtual Address wants to realize the Net of conjoining, and on this basis, to realize the data delivers and network file operation of relevant system. The main contents includes to realize the conjoining of two computers; The data construction of the definition network file system; Realize the operation that have something to do with network file system and design the access calculate way of the file of virtual address.

基于虚地址的网络文件系统的设计是要实现联网，并在此基础上实现数据传输及与网络文件系统有关的操作，其主要内容包括实现两台计算机的互联；定义网络文件系统的数据结构；实现与网络文件系统有关的操作和设计虚地址文件的存取算法四个方面。

The embodiment of the invention discloses a call connection method used for an IP IMS. The method comprises the following steps: the portal element of a called network receives a session request of a calling network; user identification information is contained in the session request; when the portal element of the called network judges that the identification information of a called user is incomplete, the portal element of the called network sends the calling network a responding message which indicates that the identification information of the called user is incomplete; the calling network updates the identification information of the called user according to the responding information and transmits the updated identification information of the called user to the portal element of the called network.

本发明实施例公开了一种IP多媒体子系统中的呼叫接续方法，包括：被叫网络入口网元接收主叫网络的会话请求，在会话请求中包含被叫用户标识信息；当被叫网络入口网元判定所述被叫用户标识信息不完整时，向主叫网络发送指示所述被叫用户标识信息不完整的响应消息；主叫网络根据响应消息更新被叫用户标识信息，并向被叫网络入口网元发送所述更新后的被叫用户标识信息。

Taking the active network as a research task, the input accessibility, the Coates graph of matrix and graph transmission etc are used to analyze the relation between reducibility of the coefficient matrix of the state equation and the electric separability of the network or the electric accessibility of the network for the first time, acquiring sufficient and necessary conditions that coefficient matrix of the state equation is reducible. Network Graph Theory, Matrix Theory and System Theory over F etc are used to derive the structural controllability criterion of the passive network over F for the first time. Then according to these theoretic results, the structural controllability problems of the active network over F are studied, acquiring several structural controllability conclusions of the active network.

率先将状态方程的输入可达、矩阵的Coates图、流图传输系数等概念和方法引入到对F上有源电网络的研究，研究了网络状态方程的系数矩阵的可约性与网络电气可断性或电气可达之间的关系，研究了F上有源电网络的能控性问题，获得了状态方程的系数矩阵可约的充分必要条件、F上有源电网络系统的结构能控性判据等新的结论。

Importing KDD technology into network management may be a useful method in making network more intellectual. And then with the enlargement of the network scope, the system architecture of the network management is changing distributed from centralized. Distributed network management can decentralizes management function to several Places and improve the retractility of network management, which has played a import role in today's network management.

当前，在网络管理系统中引入知识发现技术是实现网络智能化发展的一条有效途径；同时，随着网络规模的日益扩大，网络结构的复杂多变，网络管理的体系结构正在从集中式转向分布式，分布式网络管理将网管功能分布于网络各处，提高了整个管理结构的可伸缩性，逐渐成为现代网管一个重要的发展方向。

The work reads as follows: setting up the concept of network users" behavior and categorised system, then discussing the classification of users based on network users" behavior; analyzing the information source of network behavior analytical system, considering mostly two respects of efficiency and accuracy of behavior information; probing into the demand,step and system frame for establishing network user"s behavior analytical system, and discussing some key technology in course of the system implementation; Then putting forward several kinds of common application modes or thought of network users" behavior analysis, including network click flow analysis , computer and network security analysis and user structure analysis of Intranet. The key algorithm of behavior analysis system has been discussed and improved .

本论文在此领域主要工作成果如下：建立了网络用户行为的概念与分类体系，并在此基础上进行了用户分类；分析了网络行为分析系统的信息源，其中主要考虑了信息获取的高效性和准确性两个方面；探讨了建立网络用户行为分析系统的需求、步骤和体系框架，以及设计和实现系统过程中所面临的一些关键技术；接着在上述基础上提出几种常用的网络用户行为分析系统模型或其思想，主要列举了网络用户行为分析在Web点击流分析、计算机与网络安全方面以及Intranet网内用户结构分析中的应用。

Faced with the increasingly complex network topological connection and gradually increased network flow, network manager needs to know online such network activity information as the network flow of each network section, network bandwidth availability and the early warnings of hardware breakdown and software failure.

面对益复杂的网络结构与逐渐增加的网络流量，网络管理者需要实时了解各个网段的流量情况、网络带宽的使用率、硬件故障与软件失误的预警等网络运行信息，要做到这点，最有效的办法就是在原有的网络硬件基础上构建一个网络管理系统以实现对全网的监控。

Primarily, the thesis assays the condition of network framework, the network was divided into three levels in terms of network management in order to establish the distributed method ,and still pointing out the intention and denotation of studying the Topology Discovery.Next, the thesis analyzes SNMP protocol minutely, including its development, principle, and the Network Management system that established on the SNMP protocol. Have analysed MIB in detail and the application way of MIB in network management .The thesis also assays the ICMP protocol, describing its working principle and the format of datagram minutely , and describing two important tools of ICMP- Ping and TraceRoute in detail. On the base of upper analysis, the thesis expounds a kind of distributed Topology Discovery project, and book it in one autonomy system. Topology Discovery was divided into two levels in terms of network management, and analyses the way of linking up between the two level. The thesis minutely assays Router-Level Topology Discovery technology basing on SNMP and Subnet-Level Topology Discovery technology basing on ARP and ICMP. According to these analyses, the thesis explores the specific methodology and the technology of XML data object which using the WinSNMP API to achieve topology discovering system on the development platform of Visual C++, and also analyses the technology of topology analysis and topology graph minutely. Moreover, the thesis assays the technology of basic firewall and Topology Discovery response strategy. Finally, the thesis analyses the underlying blind problem of the topology finding, and also analyses the reason that the blind problem produced and the way that reduced. The distributed algorithm that this paper puts forward has a certain directive significance in wireless network or other fields.

本文首先分析了网络结构状况，将网络从网络管理的角度划分为三个层次，为分布式的方法奠定了基础，同时还指出拓扑发现研究的目的及意义；接着本文分析了SNMP协议，详细分析了SNMP协议的发展状况，协议的工作原理，以及由SNMP协议基础上建立的SNMP网络管理体系，详细分析了MIB，以及MIB在网络管理上的应用方式；本文又分析了ICMP协议，详细描述了ICMP的工作原理和数据报格式，并详细描述了ICMP的两个重要工具-Ping 和TraceRoute；然后本文在结合上述分析的基础上，提出了一种分布式的拓扑发现方案，将拓扑发现拟订在一个自治系统内，将拓扑发现从网络管理角度划分为路由器级和子网级两个层次，分析了两个层次之间的衔接方式，同时从拓扑地域的角度将拓扑发现过程分布化，分析了分布式算法的具体方法和分布式结点之间的数据通讯方法，本文详细分析了基于SNMP的路由器级拓扑发现技术和基于ARP和ICMP的子网级拓扑发现技术；根据这些分析，本文利用XML数据对象作为分布式算法中的数据对象，分析了XML的技术，本文使用Visual C++开发平台实现网络拓扑发现系统，详细分析了使用WinSNMP API实现基于SNMP的路由器级拓扑发现和基于ARP的子网级拓扑发现，分析了使用Winsock编程实现基于ICMP的子网级拓扑发现，本文还对拓扑分析和拓扑图的绘制技术作了较细致的分析；本文最后还分析了基本防火墙技术，分析了几种类型的防火墙对拓扑发现带来的影响，以及在拓扑发现时的应对策略，本文还分析了拓扑发现中可能产生的盲点问题，分析了盲点产生的原因以及拓扑发现中减少盲点的方法。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。