ubr

Of these , ABR and UBR service categories are designed to efficiently support data traffic .

在这些服务中，ABR和UBR服务可以有效地支持数据业务。

In earlier versions , the UDDI specification mixed policy issues with UBR implementation concerns .

在以前的版本中，UDDI规范将策略问题与UBR实现问题混在了一起。

The protocol can support CBR / VBR , ABR and UBR services , ensure fair access to the subscribers and make full use of network resource .

该协议能够支持CBR/VBR、ABR和UBR等多种业务，并能够保证用户公平地接入和充分地利用网络的资源。

To monitor UBR activity related to its areas of interest , the AMBP establishes a subscription with one of the UBR node operators .

为了对与其感兴趣的领域相关的UBR活动进行监视，AMBP建立了带有一个UBR节点操作符的订阅。

This is an affiliate registry of the UBR .

这是UBR的一个附属注册中心。

Some services of general interest used by these companies also are public in nature and are registered in the UBR , which is the root registry for the pharmaceutical affiliate .

这些公司使用的一些通用服务在本质上也是公共的，并已在UBR中注册（UBR是制药附属注册中心的根注册中心）。

This paper discusses the characteristics of TCP when it employs ABR and UBR seduces , and the influence of the ATM switch buffer on the Performance of TCP .

本文主要讨论了TCP接入ABR和UBR业务时所呈现的一些特点及ATM交换机缓存的大小对TCP性能的影响。

Secondly , the mathematical modeling of the heterogeneous traffic ( such as , CBR VBR ABR and UBR ) and discrete event system simulation which is used in this paper are discussed ;

接下来又讨论了不同业务源（如CBR、VBR、ABR和UBR）的数学模型的建立及本论文所使用的仿真方法&离散事件系统仿真法；

T - VBR , ABR and UBR .

t-VBR、ABR和UBR等5种类别的业务。

ABR ( Availble Bit Rate ) and UBR ( Unspecified Bit Rate ) are new service in the ATM ( Asynchronous Transfer Mode ) network , which are mainly used for data communication .

ABR（可用比特速率业务）和UBR（未指定比特速率业务）业务是ATM（异步传输模式）中新定义的业务类型，主要面向数据传输服务。

Simulation results show that the TCP performance of ABR service is better than that of UBR service in terms of buffer requirement , fairness of bandwith allocation , throughput , and link utilization .

仿真结果表明，无论在缓冲区的需求、带宽分配的公平性、吞吐量和链路利用率方面ABR业务的TCP性能均明显优于UBR业务。

Entities in a private registry , for instance , can now be copied into another affiliated private registry for broader exposure or into a root registry , such as the UBR , for public consumption .

例如，私有注册中心的实体现在可以被复制到另一个附属的私有注册中心以在更大范围内公开，或者被复制到根注册中心（如UBR）供公众使用。

The proposed protocol is capable of supporting various types of the traffic , such as constant bit rate ( CBR ), variable bit rate ( VBR ), available bit rate ( ABR ), unspecified bit rate ( UBR ) .

该协议支持不同类型信息传输，比如恒定比特率（CBR），可变比特率（VBR），可用比特率（ABR），未指定比特率（UBR）。