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    • 1. 发明授权
    • Methods and apparatus slow-starting a web cache system
    • 方法和设备缓慢启动Web缓存系统
    • US07069324B1
    • 2006-06-27
    • US09608549
    • 2000-06-30
    • Gurumukh S. TiwanaDanny KwokJames A. Aviani, Jr.Martin CieslakMartin A. KaganStewart L. Forster
    • Gurumukh S. TiwanaDanny KwokJames A. Aviani, Jr.Martin CieslakMartin A. KaganStewart L. Forster
    • G06F15/16G06F15/167
    • G06F12/0806
    • Methods and apparatus are described for intelligently assigning a portion of a cluster's traffic (e.g., buckets) to a cache system to minimize overloading of such cache system. In general terms, when a new cache system enters a cache cluster and/or starts up, the new cache system's full bucket allocation is not immediately assigned to the new cache system. Instead, only a portion of the full bucket allocation is initially assigned to the new cache system. In one embodiment, the new cache system's bucket assignment is gradually increased until the cache system is handling it's full bucket allocation or it becomes overloaded. The cache system's load is also checked periodically to determine whether it has become overloaded. When the cache system becomes overloaded, buckets are immediately shed from the cache system. In sum, the new cache system's load is adjusted until it is handling an optimum number of buckets.
    • 描述了用于智能地将集群的业务的一部分(例如,桶)分配给高速缓存系统的方法和装置,以最小化这种高速缓存系统的过载。 一般来说,当新的缓存系统进入缓存集群和/或启动时,新的高速缓存系统的完整存储桶分配不会立即分配给新的缓存系统。 相反,只有一部分全桶分配最初被分配给新的缓存系统。 在一个实施例中,新的高速缓存系统的桶分配逐渐增加,直到高速缓存系统正在处理它的全桶分配或者它变得过载。 还定期检查缓存系统的负载,以确定它是否已经过载。 当缓存系统变得过载时,桶将立即从缓存系统中流出。 总之,新的缓存系统的负载被调整直到处理最佳数量的桶。
    • 8. 发明授权
    • Wide area load balancing of web traffic
    • 网络流量的广域负载平衡
    • US06981056B1
    • 2005-12-27
    • US09605917
    • 2000-06-28
    • James A. Aviani, Jr.Shmuel Shaffer
    • James A. Aviani, Jr.Shmuel Shaffer
    • H04L29/08H06F17/173
    • H04L67/02H04L67/32
    • Methods and apparatus are described for intelligently for intelligently routing a request to a device (e.g., replica or server). A packet is received (e.g., by the client's gateway router) from a client, and the packet has a destination identifier associated with a server. When the packet is a start packet, a tag is added to the start packet to indicate that the start packet should be forwarded to any replica that duplicates the data content of the server. The destination identifier of the start packet is stored for later use. After storing the destination identifier of the start packet and tagging the start packet, the start packet is sent to the server. When the start packet has a tag indicating that the start packet should be forwarded to any replica that duplicates the data content of the server, the start packet is encapsulated and sent to each replica associated with the server. A replica device then receives a start packet sent from the client to the server. The start packet is encapsulated. The encapsulated start packet is cracked to determine the client's address. When the replica device is active and not busy, an immediate acknowledgement packet is sent to the client in response to the received start packet. When a first acknowledgement packet associated with the start packet is received (e.g., at the client gateway router), a source identifier of the first acknowledgement packet is stored and associated with the stored destination identifier of the start packet. After storing and associating the source identifier of the first acknowledgement packet, the first acknowledgement packet is sent to the client. Subsequent packets (e.g., after the start and acknowledgement packets) are then sent between the client and sender of the first acknowledgement packet.
    • 描述智能地将请求路由到设备(例如,副本或服务器)的方法和装置。 从客户端接收分组(例如,由客户端的网关路由器),并且分组具有与服务器相关联的目的地标识符。 当分组是起始分组时,将标签添加到起始分组,以指示起始分组应转发到复制服务器的数据内容的任何副本。 存储起始分组的目的地标识符供以后使用。 在存储起始分组的目的地标识符并标记起始分组之后,将起始分组发送到服务器。 当起始分组具有指示起始分组应被转发到复制服务器的数据内容的任何副本的标签时,开始分组被封装并发送到与服务器相关联的每个副本。 然后,复制设备接收从客户端发送到服务器的起始包。 启动包被封装。 封装的起始数据包被破解以确定客户端的地址。 当复制设备处于活动状态并且不忙时,响应于接收到的起始分组,立即向客户端发送立即确认分组。 当接收到与开始分组相关联的第一确认分组(例如,在客户端网关路由器处)时,存储第一确认分组的源标识符并将其与所存储的起始分组的目的地标识符相关联。 在存储和关联第一确认分组的源标识符之后,将第一确认分组发送给客户端。 随后的分组(例如,在开始和确认分组之后)然后在第一确认分组的客户端和发送者之间发送。
    • 9. 发明授权
    • Data transmission over the internet using a cache memory file system
    • 通过互联网使用缓存存储器文件系统进行数据传输
    • US5950205A
    • 1999-09-07
    • US937966
    • 1997-09-25
    • James A. Aviani, Jr.
    • James A. Aviani, Jr.
    • G06F12/12G06F17/30
    • G06F12/123Y10S707/99944Y10S707/99953
    • A method for storing a plurality of multimedia objects in a cache memory is described. First ones of the multimedia objects are written into the cache memory sequentially from the beginning of the cache memory in the order in which they are received. When a first memory amount from a most recently stored one of the first multimedia objects to the end of the cache memory is insufficient to accommodate a new multimedia object, the new multimedia object is written from the beginning of the cache memory, thereby writing over a previously stored one of the first multimedia objects. Second ones of the multimedia objects are then written into the cache memory sequentially following the new multimedia object in the order in which they are received, thereby writing over the first ones of the multimedia objects. This cycle is repeated, thereby maintaining a substantially full cache memory.
    • 描述了一种用于将多个多媒体对象存储在高速缓冲存储器中的方法。 第一个多媒体对象按照它们被接收的顺序从高速缓冲存储器的开始顺序地写入高速缓冲存储器。 当从最近存储的第一多媒体对象之一到高速缓冲存储器的结尾的第一存储量不足以容纳新的多媒体对象时,新的多媒体对象从高速缓存存储器的开头被写入, 先前存储的第一多媒体对象之一。 然后,第二个多媒体对象按照接收到它们的顺序顺序地按照新的多媒体对象被写入到高速缓冲存储器中,从而写入第一个多媒体对象。 重复该循环,由此保持基本上完整的高速缓冲存储器。