查询词典 protocols

Taking the communication server as the core,the data transmission layer collects data from other intelligent devices with 103 protocols,Modbus protocols,pro-bus protocols or TCP / Modbus protocols,which are converted as dual Ethernet network data and then transmitted to monitoring system and dispatch center via hub.

重点介绍了通信网络的构成，网络管理层基于TCP/IP的以太网络通信，采用站内103通信规约，数据传输层以通信服务器为核心，向下采集其他智能设备数据，支持任何采用103规约及采用Modbus通信规约、pro-bus通信规约或采用TCP/Modbus协议的智能设备，并将采集到的数据转换成以太网双网数据，通过交换机上传至监控系统及调度中心。

We present a SNMP-based topology discovery algorithm using direct connection theorem and simple connection theorem for judging relationship of switches in subnets. In order to in discover the map of network without SNMP, several key problems such as subnet guessing and multi-address routers are discussed in details. And then a topology discovery algorithm based on primitive protocols is presented. We also deeply study some routing protocols such as OSPF and BGP and propose a routing-protocols-based algorithm for topology discovery.

基于判断交换机互联的直接连接定理和间接连接定理，提出了一种完整的基于SNMP的拓扑发现算法；详细讨论了子网获取、多址路由器处理等关键问题，针对不同的网络环境给出了相应的解决方案，并以此为基础提出了一种基于通用协议的拓扑发现算法；在对OSPF，BGP等网络路由协议进行分析的基础上给出了一种基于路由协议的拓扑发现算法，并设计了一个自上而下的拓扑发现框架结构。

2In this paper ,we analyze some popular authentication protocols in the world now,such as Needham-Schroeder, Otway－Rees and Kerberos.The designing principles of electronic commerce protocols are introduced,such as Anonymity, Non－Reputation, Fairness and so on.The payment protocols for elcectronic commerce are introduced too.

对目前的一些典型的安全认证协议，如：Needham-Schroeder、Otway－Rees、Kerberos等进行了简要的分析，阐述了电子商务协议的设计原则，如匿名性、不可否认性、公平性、安全性等，介绍了相关的电子支付协议，并讨论了安全协议设计和分析中所要注意的一些问题。

First of all, this paper concludes the general research routine and procedures in wireless mesh networks and introduces related research methods and results of different procedures: firstly, it makes classification and comparison of the classic routing protocols in mobile ad hoc networks; secondly, it introduces several ways in which the classic ad hoc routing protocols can be modified to be used in the wireless mesh networks; thirdly, it makes detailed explanations of some typical routing protocols in each way above.

首先本文总结了无线Mesh网络路由协议的一般性研究路线，并按该研究路线的各阶段分析和总结了相关的研究方法与研究成果：先对移动Ad hoc网络的经典路由协议进行分类和比较；在此基础上总结了将Ad hoc路由协议应用于无线Mesh网络的几种主流的改进思路；最后对各种改进思路的代表性路由协议进行了分析和讨论。

ABSTRACT Studying internet group management protocols and today's multicast routing protocols, we propose a new strategy, which when the nu...

在研究了多播组成员管理协议以及当今多播路由协议的基础上，提出一种新型动态组管理策略。

Other examples of routable protocols do net protocols include IPX/SPX and AppleTalk.

本课程的重点是最常用的路由协议，这是互联网协议。

In different scenarios factors related with these characteristics will affect the performance of routing protocols in different way. So it is critical to understand the influence of different factors precisely for the purpose of achieving best cost efficiency. Most of the routing protocols depend on broadcasting to disseminate the route request message. But broadcast can always incur broadcast storm problems and consume considerable amount of network resources.

因此，无线自组织网络中路由查询的效能取决于两个方面：第一，路由协议设计能否满足上述第一个方面的静态特性需求，这也是无线自组织网络路由技术研究领域内受到广泛关注的热点；第二，能否准确把握网络中各种因素对路由协议性能的影响，使路由参数配置以及路由策略选择与具体的网络环境相适配，在路由查询效率与开销之间寻得最佳平衡。

Bull; Develop protocols for campaign initiatives particular to AEP project but consistent with IFAW world-wide protocols.

bull；与中国项目主任及项目工作人员密切合作，及时发现项目进行中出现的机遇，以使项目能够深入发展。

In this paper, the concept of network security and security structures of OSI and Internet is introduced, and various threats confronting the computer network are also discussed. Several kinds of network information security technologies, including firewall technology, virtual private network, intrusion detection system, data encryption technology, identity authentication and security protocol etc. are also examined. The security of internal network is the biggest problem in the construction of each network. The solution to this problem lies in setting up a firewall. The theory of a firewall and the approach to its actualization is studied. Intrusion detection system, an important part of the computer network security system, has gained extensive attention. IDS monitors the computer and network traffic for intrusion and suspicious activities. It not only detects the intrusion from the extranet hacker, but also the intranet users. The emergence of virtual private network paves the way for realizing secure connection of LAN quickly and at a relatively low cost. The concept, function, key techniques, including the tunnel technology, and the ways to realize VPN are expounded in this paper. Also introduced is the data encrypt network technology, which is called the soul of computer network security, such as digital digest, digital signature, digital certificate, digital encrypt arithmetic and so on. At the same time, the principle and the process of implementing network security by digital certificate and digital signature, the basic principle and characters of security protocols, and finally, three of the security protocols, concerning the security problems in network, IPsec, SLL and SET are analyzed in detail Computer network system should be a system of dynamic defence, both dynamic and static, passive as well as active, and even offensive, combined with management and technology.

本文系统地介绍了网络安全的概念、OSI及Internet的安全体系结构，并讨论了计算机网络面临的各种安全威胁；内部网络的安全问题是每个建网单位面临的最大问题，可以认为防火墙技术是解决网络安全的一个主要手段，本文研究了防火墙的原理及其实现手段；作为一种主动的防御措施，入侵检测系统作为网络系统安全的重要组成部分，得到了广泛的重视，TDS对计算机和网络资源上的恶意使用行为进行识别和响应，不仅检测来自外部的入侵行为，也监督内部用户的未授权活动；虚拟专用网技术的出现，为实现网络间的连接提供了快速安全但又相对便宜的手段，本文较深入的探讨了实现VPN的隧道技术，并对VPN的概念、功能、实现途径、基本构成、关键技术及发展前景等问题进行了全面论述；数据加密技术是网络安全核心技术之一，本文从数据加密算法、数字摘要、数字签名及数字证书等几方面简要介绍了数据加密技术，并分析用数字证书和数字签名实现网络安全的原理和过程；对安全协议的基本原理、主要特点进行了较为深入的研究，并就网络的安全性问题剖析了三种安全协议：IPsec协议、SLL协议和SET协议。

Security analysis for two quantum key distribution protocols was presented by using EPR pair and complete Bellstate measurements. It is also shown that those two protocols are totally equivalent from the point of view of the topological structures on how to measure the corresponding qubits at random.

对两个使用EPR对和Bell测量基的量子密钥分配协议的安全性进行了分析，从测量不同位置的量子比特的拓扑结构出发，证明了这两个协议的等价性。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。