Network Backbone Node Router, Switchboard Security Problem and Countermeasure

Implementation of campus network backbone with ATM in Shantou University

汕头大学校园网ATM主干的实现

Advantages of using Gigabit Ethernet as network backbone are also introduced.

介绍了采用千兆以太网作为校区间网络主干的优势。

Fiber Distributed Data Interface, or FDDI, came about in the mid-1980s specifically to solve the emerging network backbone issue.

光纤分布式数据接口（FDDI）诞生于八十年代中期，专门用来解决当时新出现的主干网问题。

The goal of this study is to extract structural backbone of urban road network, which provides the top level for the construction of road network hierarchy.

本文研究的模型综合是针对城市道路网的，目标是结构化提取城市道路主干网，为道路网的层次构建提供基础。

The sequence-specific assignment of spin systems was obtained by NOEs correlation in WET-NOESY spectra, and the complete assignment of proton resonances for backbone and side chain has been achieved.

通过解析NOESY谱中的NOE相关点，完成了对其序列以及主链和侧链质子的全部归属。

In different pH environments, by changing the proportion of the hydrophilic and hydrophobic segments on backbone and graft chain, LCST could be effectively adjusted between 18~ 56 ℃.

在不同pH值环境中，通过调节亲水基团与疏水基团的比例，可在18~56℃范围内调节LCST，pH<7.5时LCST消失。

The following texts are our findings: Optimizing degrees of local backbone and side chain residual conformations have been quantified.

以下是我们得到的结果：定量分析了蛋白质残基局部骨架构象及局部骨架构象下侧链构象优化程度。

A low Mw polyamide resin is reacted with ethyl acrylate dicarbamate to form a comb-type prepolymer with polyamide as backbone chain and ethyl acrylate dicarbamate as side chain.

低相对分子质量的聚酰胺树脂和丙烯酸乙酯氨基甲酸酯基一异氰酸酯通过加成反应制得以聚酰胺为主链、丙烯酸乙酯二氨基甲酸酯为侧链的梳型预聚物。

Connecting proper epoxy resin to the backbone chain of this resin and combining this resin with other auxiliary resins will produce a new kind of polyurethane resin cation.

将这种树脂与一些其它辅助树脂配合，可得到一种新型聚氨酯型阳离子树脂。

For the polysaccharides with immunity enhancement activity, the activity is affected by the constitutes of backbone chain, molecular size, and other factors which cause comformational changes of the polysaccharides.

对于免疫增强类多糖，多糖的主链组成、相对分子质量等对多糖的功效都产生影响，这些影响可能是通过改变多糖的高级结构发挥作用；

The primary study was conducted on the synthesis and properties of unsaturated polyester containing multi-alicyclic groups in the backbone chain.

对主链含多脂环不饱和聚酯的合成和性能进行了初步研究。

I use a backbone frame and a pulley and plastic plates, wadding poles.

我用了一个主干框架和一个滑轮、塑胶板、绵增极。

It also achieves the goal of exchanging information between nodes that the real-time data requires by making use of adaptive priority adjustment. ( 2) It designs a sink-based distributed backbone wireless network hierarchical routing protocol.

利用网络节点的自适应优先级调整，实现了不同数据实时性要求的节点间的信息交互。（2）设计了一种基于汇聚节点的分布式虚拟骨干无线网络分级路由协议。

In this paper, our work is to analyze the structure of the telecommunications backbone network and the routing rules and construct the follow model according to current network structure.

本文的工作主要是分析电信骨干网络结构，路由协议部署原则、规范。针对电信现有网络结构归纳流量模型。

In wireless sensor networks, a connected dominating set is used to construct a virtual backbone network for layered routing.

在无线传感器网络中，通常采用连通支配集来构成一个虚拟骨干网以进行分层路由。

A mass of BGP routing information is received from the backbone IPv6 BGP routing table on this platform.

依靠这个平台收集了来自backbone的大量的全球IPv6路由信息。

Jointly launched four-month China MAN Trial' 2000. Taking IP technology as the theme, the trial involves metro optical transmission network, backbone routing switching broadband integrated access, IP value added services, broadband multimedia applications, network operation& maintenance, billing and other aspects.

实验以宽带IP技术为主线，涵盖了从城域光传输网络、骨干路由交换、宽带综合接入、IP增值服务、宽带多媒体应用到网络运营维护和计费等方面，共有近20家厂商参加。

This clustering strategy makes all the sub-cluster with the same size and distributed evenly, avoiding the potential failure caused by backbone routing.

该分簇方案形成的簇大小一致、位置分布均匀，避免了由移动节点担任骨干路由可能带来的失效。

The Backbone Routing Protocol in the Future ── BGP

未来骨干网路由协议&BGP

In this paper PAHMT chelating resin having symmetrical triazole AHMT as the function group was synthesized by means of macroporous polystyrene backbone and the structure of resin was characterized.

本文以大孔聚苯乙烯树脂为骨架合成了含有对称三唑AHMT功能基的螯合树脂PAHMT，并对其结构进行了表征；