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    • 3. 发明授权
    • Shared cache parsing and pre-fetch
    • 共享缓存解析和预取
    • US06442651B2
    • 2002-08-27
    • US09726679
    • 2000-11-29
    • Doug CrowBert BonkowskiHarold CzeglediTim Jenks
    • Doug CrowBert BonkowskiHarold CzeglediTim Jenks
    • G06F1206
    • G06F17/30902
    • The invention provides a method and system for reducing latency in reviewing and presenting web documents to the user. A cache coupled to one or more web clients request web documents from web servers on behalf of those web clients and communicates those web documents to the web clients for display. The cache parses the web documents as they are received from the web server, identifies references to any embedded objects, and determines if those embedded objects are already maintained in the cache. If those embedded objects are not in the cache, the cache automatically pre-fetches those embedded objects from the web server without need for a command from the web client. The cache maintains a two-level memory including primary memory and secondary mass storage. At the time the web document is received, the cache determines if any embedded objects are maintained in the cache but are not in primary memory. If those embedded objects are not in primary memory, the cache automatically pre-loads those embedded objects from secondary mass storage to primary memory without need for a request from the web client. Web documents maintained in the cache are periodically refreshed, so as to assure those web documents are not stale. The invention is applied both to original requests to communicate web documents and their embedded objects from the web server to the web client, and to refresh requests to communicate web documents and their embedded objects from the web server to the cache.
    • 本发明提供了一种用于在向用户审阅和呈现web文档时减少延迟的方法和系统。 耦合到一个或多个web客户端的缓存代表那些web客户端从web服务器请求web文档,并将这些web文档传送到web客户端以进行显示。 缓存从Web服务器接收Web解析文件,识别对任何嵌入对象的引用,并确定这些嵌入对象是否已经被保存在缓存中。 如果这些嵌入的对象不在缓存中,缓存将自动从Web服务器中预取这些嵌入的对象,而不需要来自Web客户机的命令。 缓存维护包括主存储器和辅助大容量存储器的两级存储器。 在接收到Web文档时,缓存确定是否有任何嵌入对象在高速缓存中维护但不在主内存中。 如果这些嵌入式对象不在主内存中,则缓存会自动将这些嵌入对象从辅助大容量存储预加载到主内存,而无需Web客户端的请求。 缓存中维护的Web文档会定期刷新,以确保这些Web文档不会过时。 本发明既适用于将web文档及其嵌入对象从Web服务器传送到Web客户端的原始请求,并且刷新将web文档及其嵌入对象从Web服务器传送到缓存的请求。
    • 4. 发明授权
    • Shared cache parsing and pre-fetch
    • 共享缓存解析和预取
    • US06393526B1
    • 2002-05-21
    • US08959313
    • 1997-10-28
    • Doug CrowBert BonkowskiHarold CzeglediTim Jenks
    • Doug CrowBert BonkowskiHarold CzeglediTim Jenks
    • G06F1208
    • G06F17/30902
    • The invention provides a method and system for reducing latency in reviewing and presenting web documents to the user. A cache coupled to one or more web clients request web documents from web servers on behalf of those web clients and communicates those web documents to the web clients for display. The cache parses the web documents as they are received from the web server, identifies references to any embedded objects, and determines if those embedded objects are already maintained in the cache. If those embedded objects are not in the cache, the cache automatically prefetches those embedded objects from the web server without need for a command from the web client. The cache maintains a two-level memory including primary memory and secondary mass storage. At the time the web document is received, the cache determines if any embedded objects are maintained in the cache but are not in primary memory. If those embedded objects are not in primary memory, the cache automatically preloads those embedded objects from secondary mass storage to primary memory without need for a request from the web client. Web documents maintained in the cache are periodically refreshed, so as to assure those web documents are not stale. The invention is applied both to original requests to communicate web documents and their embedded objects from the web server to the web client, and to refresh requests to communicate web documents and their embedded objects from the web server to the cache.
    • 本发明提供了一种用于在向用户审阅和呈现web文档时减少延迟的方法和系统。 耦合到一个或多个web客户端的缓存代表那些web客户端从web服务器请求web文档,并将这些web文档传送到web客户端以进行显示。 缓存从Web服务器接收Web解析文件,识别对任何嵌入对象的引用,并确定这些嵌入对象是否已经被保存在缓存中。 如果这些嵌入式对象不在缓存中,则缓存会自动从Web服务器预取这些嵌入的对象,而无需Web客户端的命令。 缓存维护包括主存储器和辅助大容量存储器的两级存储器。 在接收到Web文档时,缓存确定是否有任何嵌入对象在高速缓存中维护但不在主内存中。 如果这些嵌入式对象不在主内存中,则缓存会自动将这些嵌入对象从辅助大容量存储预加载到主内存,而无需Web客户机的请求。 缓存中维护的Web文档会定期刷新,以确保这些Web文档不会过时。 本发明既适用于将web文档及其嵌入对象从Web服务器传送到Web客户端的原始请求,并且刷新将web文档及其嵌入对象从Web服务器传送到缓存的请求。