查询词典 internet protocol

The electronic payment protocol based on offline-TTP is made up of multiple sub-protocols, and is significantly different from traditional authentication protocol, especially on protocol goal and penetrator model.

基于Offline-TTP的电子支付协议通常具有复杂结构，由多个子协议组合而成，与传统认证协议具有显著不同，主要表现在协议目标和攻击者模型两个方面。

After studying the MAC protocol of Ad hoc network and by modifying the Wireless Token Ring Protocol, a new uncontested Distributed Parallel Wireless Polling Access Protocol that can provide MAC QoS guarantees for Ad hoc network is presented, and the mathematical model is established by the embedded Markov chain theory and the probability generating function method. Based on it, the mean value of queue length and message waiting time are explicitly obtained.

摘要该文对Ad hoc网络的MAC层协议进行了研究，通过对无线令牌环协议进行改进，提出了一种新的具有QoS保障的无竞争的分布式并行无线轮询访问协议，并采用嵌入Markov链和概率母函数的分析方法，用限定服务规则进行了系统建模，在系统模型的基础上得到了系统的平均排队队长以及平均等待时间的解析结果。

The method comprises the following steps: a conversation initialization request message transmitted by a service requester is received, wherein the request message comprises an application service quality parameter and service description information; according to the application service quality parameter and the service description information, a access protocol intermediate node of the corresponding simple object and a service provider are selected; according to the intermediate node and the service provider, access protocol routing information of the corresponding simple object can be acquired; and the conversation initialization request message containing the access protocol routing information of the simple object is transmitted to the corresponding service provider.

本发明方法包括：接收服务请求方发送的会话初始化请求消息，所述会话初始化请求消息中包含应用服务质量参数以及业务描述信息；根据所述应用服务质量参数以及业务描述信息选择对应的简单对象访问协议中介节点以及服务提供方；根据所述简单对象访问协议中介节点以及服务提供方获取对应的简单对象访问协议路由信息；向对应的服务提供方发送包含所述简单对象访问协议路由信息的会话初始化请求消息。本发明还提供一种路由系统以及相关设备。

In this paper,one privacy-preserving signed distance protocol is presented to solve the signed distance problem based on scalar product protocol.The security and correctness of the protocol are also discussed.And then the privacy-preserving of the triangle intersection with the plane determines is taken as the example to explain its application.

基于点积协议，提出了一个保护私有信息的符号距离判定协议，解决了符号距离的判定问题，然后讨论和分析了协议的安全性与正确性，并且以保护私有信息的三角形与平面相交判定为例说明了其应用。

Based on semi-honest model and scalar product protocol, a protocol of the bipartite set intersection was constructed, which complexity is O; another protocol of the tripartite set intersection needs O(2ntp).

在半诚实模型下，基于点积协议设计的两方集合交集协议，复杂度为O；设计的三方集合交集协议，复杂度为O(2ntp)。

The new protocol can implement neat access control of audit logs verification based on recorder ID, time, subject, object and recorder type, so the new protocol is more efficient at access control of audit log verification than SK protocol.

在查证阅读证据记录的权限申请与分配方面新的协议与SK协议相比更加灵活和符合实际问题而且通信量更少。

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。

Serial communication is widely used in civil airplane and warplane recently, including HDLC protocol, FTI protocol, Harvard Bi-phase protocol, etc.

串行通信在当代民航客机和军用飞机中有着广泛的应用。

Therefore, this thesis designs a more secure RFID protocol to fix these security flaws. In 2007, Fouladgar and Afifi also proposed EDTOP protocol which is based on AES and keeps higher performance on the operations of tag ownership transform. However, it also fails to achieve the forward security. Therefore, this thesis further proposes an improved protocol which can achieve the forward security.

因此吾人在本论文里，设计一个更安全的RFID协定，来改善这一些问题。2007年，Fouladgar和Afifi又提出了一个植基於AES运算和具高效率的标签所有权转换的协定EDTOP，但是吾人发现EDTOP协定并不具有向前安全性的特性，所以在本文中提出了一个植基於AES且具有向前安全性的RFID标签认证协定。

In this paper, in order to solve the load balance problem of Ad hoc network, works on different MAC protocol performance analyse, theoretical modeling, multi-path routing load balance protocol and cocurrent multipath transfer protocol are represented.

为了满足自组织网络对于负载均衡传输的需求，本文重点对解决Ad hoc网络负载均衡相关问题在MAC层协议性能分析，理论建模以及适用于负载均衡的新型路由协议和新型传输协议等几个方面展开了研究。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。