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patching stream
相关语句
  补丁流
     Cache replacement algorithm for patching stream transmission scheme based on mobile streaming media system
     基于补丁流传输机制的移动流媒体系统的缓存替换算法
短句来源
     Under this system structure, the paper proposes a novel channel scheduling scheme for batch processing and applies multicasting stream and patching stream together to perform multicasting service. Then, it improves the utilization ratio of network bandwidth, increases the number of served concurrent requests,and decreases the startup latency of courseware.
     在这一体系结构下,采用了新的批处理信道调度策略,对用户实施多播流和补丁流相结合的组播服务,提高了网络带宽利用率,增加了可服务的点播并发流数,同时降低了课件播放延迟时间。
短句来源
     This paper studies three stream scheduling algorithms and proposes patching stream algorithm with threshold-based multicast, which reduces regular streams for multicast. Periodic broadcasting technique is used for popular program, and patching stream threshold-based multicast for unpopular program, then efficiency of the VOD system will be improved.
     对现有的3类流调度算法进行了分析,在补丁流算法的基础上提出了基于门限多播的补丁流算法,减少了用于多播的常规流数目,如果系统使用周期广播技术播出热门的流行节目,对不流行节目使用基于门限多播的补丁流技术,那么VoD系统的整体效率将得到提高。
短句来源
     It fully exploits the client buffer spaceand a patching stream which delivers an additional t-B time units of the video data to be shared by the video requests arriving in the next (t-B)/2 timeunits.
     新算法既充分利用缓冲区,又以多传送t-B帧视频数据的补丁流为其后紧接着的(t-B)/2个单位时间内到达的新请求创造共享机会。
短句来源
  “patching stream”译为未确定词的双语例句
     This scheme exploits the merit of Overlay Network Multicast with the characteristic of VOD and Patching stream,reducing the stress of server under good use of network resource.
     该方案充分利用了覆盖网络组播技术的优点,结合VOD系统特性及Patching补偿流技术,在合理的利用网络资源的条件下减小了服务器负载.
短句来源
  相似匹配句对
     Dynamic Batched Patching Schedules for Video Stream On-Demand Servers
     视频流点播Dynamic Batched Patching算法研究
短句来源
     A Stream Scheduling Algorithm Based on Period-Patching Strategy
     一种基于周期合并策略的流调度算法
短句来源
     Lisao and Stream of Consciousness
     《离骚》与意识流
短句来源
     On the Stream of Green Materials
     浅析绿色物流
短句来源
     THE PROCESS OF FINAL PATCHING WITH DOLOMITE
     白云石末期补投工艺
短句来源
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  patching stream
Our research is based on the observation that a patching stream can be shared by the video requests arriving in the next wp time units if it delivers an additional 2 · wp time units of video data.
      
The server needs to send only the leading portion of the video in a patching stream.
      
Proxy-based patching stream transmission strategy in mobile streaming media system
      
When a short patching stream is scheduled for a skew of t time units, it delivers a patch of t time units.
      
Under Standard Patching, requests arriving within a patching window are able to share the same multicast using a patching stream.
      
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The number of audio and video (continuous media) objects stored on web servers is increasing rapidly these years. Popular continuous media objects create “hot spots” of server and network load, and thereby significantly increase latency for client access. Patching, a recent stream merging schedule using multicast or broadcast techniques, can provide immediate service to each client request yet achieve considerable client stream sharing. Recent researches on Patching focus on how to...

The number of audio and video (continuous media) objects stored on web servers is increasing rapidly these years. Popular continuous media objects create “hot spots” of server and network load, and thereby significantly increase latency for client access. Patching, a recent stream merging schedule using multicast or broadcast techniques, can provide immediate service to each client request yet achieve considerable client stream sharing. Recent researches on Patching focus on how to achieve optimal stream merging schedule or how to deal with various network situations in Patching systems, but seldom consider the channel allocation stage in Patching systems. In this paper, the characteristics of Patching are investigated, the results show that Patching streams can satisfy about 70% of client requests with only about 8% of the system resources (i.e., server and network bandwidth), thus play the role more important than regular streams in stream merging systems. According to the investigation, the authors propose a novel scheduling strategy based on stream merging——Patching First, which first allocate channels for pending requests that can be served with Patching streams when system resources are available. Two specific channel allocation algorithms, MPQL (Maximum Patching Queue Length) and MFPQ (Maximum Fixed Patching Queue length), are designed for Patching First strategy. The algorithms are verified by simulation with various client request rates and different access modes. Simulation results are compared with Patching systems using traditional channel allocation algorithm, MQL. The comparison shows that MPQL and MFPQ algorithms can markedly increase the number of client requests served with Patching streams and significantly reduce the average waiting time, request defection and unfairness in various situations. Apparently, the proposed Patching First strategy using MPQL or MFPQ as channel allocation algorithm can leverage the advantage of Patching, thus can serve as a highly effective stream merging strategy for continuous media delivery.

分析了 Patching调度策略的特点 ,指出 Patching流满足了 70 %左右的用户请求而只消耗 8%左右的系统资源 .以此为依据 ,提出了 Patching First连续媒体播放调度策略 ,并基于该策略设计了 MPQL 和 MFPQ通道分配算法 .试验结果表明 ,与 MQL算法比较 ,这两种算法可以明显地缩短用户等待时间、减少用户请求撤消率、降低调度的不公平性 .通过试验结果分析 ,证明了 Patching First策略增强了 Patching流合并调度算法的优势 ,是一种非常有效的连续媒体播放通道调度策略

A distance Courseware-On-Demand system with centralized management and distributed servers is introduced in this paper. Under this system structure, the paper proposes a novel channel scheduling scheme for batch processing and applies multicasting stream and patching stream together to perform multicasting service. Then, it improves the utilization ratio of network bandwidth, increases the number of served concurrent requests,and decreases the startup latency of courseware.

本文提出了一种集中式管理、点播服务器分布式放置的远程教学课件点播(Courseware On Demand-COD)系统。在这一体系结构下,采用了新的批处理信道调度策略,对用户实施多播流和补丁流相结合的组播服务,提高了网络带宽利用率,增加了可服务的点播并发流数,同时降低了课件播放延迟时间。

This paper studies three stream scheduling algorithms and proposes patching stream algorithm with threshold-based multicast, which reduces regular streams for multicast. Periodic broadcasting technique is used for popular program, and patching stream threshold-based multicast for unpopular program, then efficiency of the VOD system will be improved.

对现有的3类流调度算法进行了分析,在补丁流算法的基础上提出了基于门限多播的补丁流算法,减少了用于多播的常规流数目,如果系统使用周期广播技术播出热门的流行节目,对不流行节目使用基于门限多播的补丁流技术,那么VoD系统的整体效率将得到提高。

 
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