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asymmetric links     
相关语句
  非对称链路
     Improved SACK Arithmetic on Asymmetric Links
     基于非对称链路的SACK算法改进
短句来源
     However, ADSL lines, cable modems and satellite links are popularly used,and it becomes necessary to consider asymmetric links.
     但ADSL、cable modem和卫星链路等的广泛存在,使测量必须考虑非对称链路.
短句来源
     The link layer relay service presented in this paper mitigates the effect of asymmetric links so as to discover more neighbors.
     为减轻非对称链路对算法的影响,提出了链路数据转发服务,来发现由于单向链路而不能被发现的出邻居.
短句来源
  不对称网络
     QoS Multicasting in Networks with Asymmetric Links
     边不对称网络的QoS组播路由算法
短句来源
     Use Back-pressure to Improve TCP Performance over Asymmetric Links
     用反压机制改进不对称网络TCP性能
短句来源
     One network model with asymmetric links is established by research of quality of service(QoS)guaranteed multicast routing problems. With the aim of balancing the loads of networks, a new multicast routing genetic algorithm based bandwidth and delay constraints (BDMGA) is presented.
     针对QoS组播路由问题,建立链路负载不对称网络模型,以平衡网络负载为目标提出一种基于带宽和延时约束的QoS组播路由遗传算法(BDMGA).
短句来源
  非对称信道
     A feasible algorithm to control TCP data Sending efficiency on asymmetric links
     一种调节TCP非对称信道数据传输效率的算法
短句来源
     The Effects of Asymmetric Links on TCP Performance and Its Solutions
     非对称信道对TCP性能的影响及其解决方法
短句来源
     In order to investigate TCP end to end performance on asymmetric links,we use data sending efficiency to analyze the relationship between slow uplink and fast downlink Based on the analysis,we find a feasible algorithm to control the data sending efficiency on asymmetric links We also test the algorithm through simulation under ADSL link model
     为了研究非对称信道对TCP端到端性能的影响 ,本文以非对称信道数据传输效率为对象 ,分析了非对称环境下 ,上行、下行数据传输效率的关系。 在此基础上我们找到一种调节TCP非对称信道数据传输效率的可行算法 ,并以ADSL信道为模型 ,通过仿真对算法的性能进行验证和分析。
短句来源
     But in such a kind of network with asymmetric links,the TCP performance is usually degraded.
     但由于HFC信道是非对称信道,会造成TCP应用性能的恶化。
短句来源
  非对称线路
     Performance Analysis of TCP over ATM with Asymmetric Links
     基于ATM非对称线路下的TCP性能分析
短句来源

 

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      asymmetric links
    While asymmetric links seem undesirable, the mobile scenario seems able to take advantage of them.
          
    When alternating approaches to backoff, asymmetric links are more likely to arise when backing off in the spatial domain first.
          
    When alternating approaches to backoff, the asymmetric links are more likely to arise when backing off in the spatial domain first.
          
    The protocol design assumes bidirectional links between nodes; however, in real deployments, asymmetric links are endemic.
          
    The discrepancies are due to the presence of asymmetric links.
          
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    The TCP performance in the case of ATM asymmetric links is analgzed.Our goaal is to investigate the impact of asymmetry on TCP performace.By defining the asymmetry parameter and building the model, we deduce the formula to calculate the TCP perfomance.Effectiveness of the deduction is verified by simulation studies.We conclude that asymmetry has a direct impact on TCP performance and the mean throughput is linear to the asymmetry parameter under the same condition.

    对ATM非对称线路下TCP的性能进行了分析,目的是考察链路的非对称性对TCP性能的影响程度.通过定义非对称强度参数和建立模型,推导出在非对称链路下TCP平均吞吐量的计算公式,并用仿真实验验证了推导的有效性.结果表明,链路的非对称性对TCP的平均吞吐量有直接影响,在其它条件不变的情况下,平均吞吐量与非对称性参数近似成正比.

    In order to investigate TCP end to end performance on asymmetric links,we use data sending efficiency to analyze the relationship between slow uplink and fast downlink Based on the analysis,we find a feasible algorithm to control the data sending efficiency on asymmetric links We also test the algorithm through simulation under ADSL link model

    为了研究非对称信道对TCP端到端性能的影响 ,本文以非对称信道数据传输效率为对象 ,分析了非对称环境下 ,上行、下行数据传输效率的关系。在此基础上我们找到一种调节TCP非对称信道数据传输效率的可行算法 ,并以ADSL信道为模型 ,通过仿真对算法的性能进行验证和分析。

    With the rapid growth and development of Internet,it will become the ultimate platform which provides all kinds of network services.Among these network services based on the Internet platform,there are not only best-effort services,but also quality-guaranteed services [1].In this article,we discuss the issues on how to support quality services of multicast communications on the network layer by way of QoS(Quality of Service) routing strategy.Currently,there have been many multicast QoS routing algorithms proposed...

    With the rapid growth and development of Internet,it will become the ultimate platform which provides all kinds of network services.Among these network services based on the Internet platform,there are not only best-effort services,but also quality-guaranteed services [1].In this article,we discuss the issues on how to support quality services of multicast communications on the network layer by way of QoS(Quality of Service) routing strategy.Currently,there have been many multicast QoS routing algorithms proposed in literature.All these algorithms achieved lots of exciting results in network resource utilization and throughput,but still have some problems to be improved.Based on these problems,we proposed our QoS routing algorithm,and the experiment shows that compared to the other proposed algorithms,our algorithm has many improvements on adaption to network topology,network size,symmetric and asymmetric link load.

    随着Internet网络的不断发展 ,它将成为未来网络服务的平台 ,而未来网络服务的种类又是多种多样的 ,既有传统的尽量服务 (Best EffortService)应用 ,又有对网络服务质量[1] (QoS :QualityofService)有着特殊需求的应用 .本文探讨了如何在网络层路由这一层面进行QoS组播路由支持的问题 .目前 ,已有许多组播QoS路由算法提出 ,在QoS路由性能、网络资源使用效率以及路由吞吐率等方面取得了许多好的成果 .针对这些QoS路由算法中存在的一些问题 ,提出了一种组播QoS路由算法 .实验结果表明 :该算法在适应网络拓扑结构、网络规模、对称 /非对称链路负载等方面 ,与其它QoS路由算法相比 ,在算法性能上有了一定的改进

     
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