共查询到19条相似文献,搜索用时 109 毫秒
1.
本文提出的智能缓存系统主要由两部分组成,即综合数据分析系统和智能缓存子系统。综合数据分析系统能为智能缓存子系统提供资源导向,从而使得缓存资源内容更加智能、有效。智能缓存子系统根据综合数据分析系统统计结果筛选数据,对全网热门的业务资源进行智能缓存备份。 相似文献
2.
3.
传统的电视系统是面向频道的,数字电视出现以后,自然地沿袭了这个特点。随着多种多样的数字电视业务的开展,这种面向频道的系统逐渐显出很多不足之处。面向频道的机顶盒,不会去关心什么业务,只管把频道参数确定,把所有频道搜索出来就算完成任务了。用户在使用这种机顶盒的时候,面对的 相似文献
4.
在多核处理器中,硬件预取技术是解决存储墙问题的主要技术之一,是对高速缓冲寄存器的优化.但是现有的预取技术大多只考虑内存密集型程序的性能优化,而忽视了非内存密集型程序因预取而受到的干扰.针对这个问题,本文提出基于分类的预取感知缓存分区机制,利用自适应预取控制和缓存分区技术,可以动态调整预取的激进程度和合理分配共享缓存,该... 相似文献
5.
叶天琦 《信息技术与标准化》2021,(8):59-62
为了解决频繁的认证访问请求带来的服务响应问题,分析了传统架构处理高并发访问的技术瓶颈,提出了基于本地缓存和分布式缓存技术的架构,并设计了新的缓存数据存储结构,优化了原先的数据访问流程,减少应用服务器端和数据库的访问压力,从而提高了网站认证授权的响应性能. 相似文献
6.
以XXilinxDDRIP为基础,采用MIMO技术设计了在EQAM调制器中控制DDRSDRAM的多进多出缓存器。给出了一个网络模型,对资源消耗进行了改进,实际测试表明达到了预期设计要求。 相似文献
7.
8.
随着3G时代的来临,越来越多的用户通过手机、上网卡访问互联网。为提升3G用户上网体验,本文提出基于DPI(DeepPacketInspection,深度数据包检测)的内容缓存技术,对该技术的技术原理、系统架构、系统的部署方式进行了研究。应用该技术,通过在城域网上建立缓存节点,可有效缓解城域网出口带宽压力,节省网间结算,提升用户上网体验。 相似文献
9.
基于旁路分析的集成电路芯片硬件木马检测 总被引:1,自引:0,他引:1
针对密码芯片中硬件木马电路检测的困难性,介绍了根据芯片旁路信息进行硬件木马检测的思想.在形式化定义基于旁路分析的硬件木马检测问题的基础上,分析了含硬件木马与不含硬件木马的密码芯片对应旁路信号在主成份分析结果上的差异,并以此对FPGA实现的含硬件木马的DES密码原型芯片进行了检测实验,实验结果表明了基于旁路信号主成份分析在密码芯片硬件木马检测中的效果. 相似文献
10.
11.
12.
随着Internet技术的发展和普遍应用,流媒体技术在Internet上得到了广泛的应用.对流媒体对象的访问,需要高且稳定的传送速率,网络带宽消耗大且持续时间长,容易给其他类型文件的访问带来影响,若用户过多,还会使初始流媒体服务器过载.代理缓存技术可帮助解决上述问题.文中介绍了流媒体代理缓存的特点,流媒体代理缓存的算法,流媒体代理缓存的评价指标和影响流媒体代理缓存效果的因素. 相似文献
13.
14.
15.
To overcome the problems of the on-path caching schemes in the content centric networking,a coordinated caching scheme based on the node with the max betweenness value and edge node was designed.According to the topol-ogy characteristics,the popular content was identified at the node with the max betweenness value and tracked at the edge node.The on-path caching location was given by the popularity and the cache size.Simulation results show that,com-pared with the classical schemes,this scheme promotes the cache hit ratio and decreases the average hop ratio,thus en-hancing the efficiency of the cache system. 相似文献
16.
In order to design an efficient edge caching policy considering spatial heterogeneity and temporal fluctuations of users’ content requests,a proactive caching scheme was proposed with UAV’s deployment location design based on user preference prediction.Firstly,each user’s preference characteristics were predicted based on file similarity and user similarity,and the request time and user location were also predicted when a content request occurs.Thereafter,on the basis of the predicted geographical location,request time and user preference,each UAV’s deployment location and the corresponding content placement were determined by virtue of clustering method based on SOM and AGNES.Simulation results show that the proposed scheme outperforms other three comparison schemes in terms of hit ratio and transmission delay.Furthermore,the results also reveal that content preference is correlated with different user features by different weights.Accordingly,different impact weights should be matched with different user features. 相似文献
17.
针对地下采用洛阳铲挖掘或者夜间爆破等盗掘田野文物活动将激发地动波,利用微震动检波器可以实现对一定区域内地动信号进行实时检测,提出了一种基于震动模式识别的田野文物监控系统,即通过对地下震动信号的采集、传输、调理转换、专家系统的分析与判别,来判定是否存在有盗掘活动,达到对古墓等田野文物保护的目的。本设计主要针对微信号检测与调理的硬件电路设计 相似文献
18.
The quality of user experience suffers from performance deterioration dramatically due to the explosively growing data traffic.To improve the poor performance of cell-edge users and heavy-load cell users,which caused by dense network and load imbalance respectively,an QoE-aware video cooperative caching and transmission mechanism in cloud radio access network was proposed.Cooperative gain-aware virtual passive optical network was established to provide cooperative caching and transmission for video streaming by adopting collaborative approach in optical domain and wireless domain.Furthermore,user experience for video streaming,bandwidth provisioning and caching strategy were jointly optimized to improve QoE,which utilized the methods of dynamic caching in optical domain and buffer level-aware bandwidth configuration in wireless domain.The results show that the proposed mechanism enhances the quality of user experience and effectively improves the cache hit rate. 相似文献