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公开(公告)号：US09071612B2
公开(公告)日：2015-06-30
申请号：US13568682
申请日：2012-08-07
CPC分类号： H04L67/1031 , H04L61/1511 , H04L61/2007
摘要： In a system with a terminal sending a request, when a load distributing unit distributes the request to many service providing apparatuses, the load distributing unit becomes a bottleneck of performance and/or a single point of failure. When the load is distributed to the service providing apparatuses without using the load distributing unit, a particular function is required on the terminal side to appropriately select one of apparatuses. A name resolution unit including an address group management table with IP addresses to select, for a request from a terminal, an address from the table to return the address to the terminal and a plurality of service providing apparatuses to which at least zero IP address selected from the table is allocated without duplication are arranged such that each service providing apparatus is allocated with IP addresses according to processing performance thereof, thereby conducting appropriate load distribution.
摘要翻译： 在具有终端发送请求的系统中，当负载分配单元向多个服务提供设备分发请求时，负载分配单元成为性能瓶颈和/或单点故障。 当在不使用负载分配单元的情况下将负载分配给服务提供装置时，在终端侧需要特定的功能来适当地选择装置之一。 一种名称解析单元，包括具有IP地址的地址组管理表，用于来自终端的请求，从表中返回地址到终端的地址以及至少选择了0个IP地址的多个服务提供设备 从表中分配没有重复的方式被布置成使得每个服务提供设备根据其处理性能分配IP地址，从而进行适当的负载分配。
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公开(公告)号：US20130198830A1
公开(公告)日：2013-08-01
申请号：US13567612
申请日：2012-08-06
IPC分类号： H04L29/06
摘要： A gateway device disposed at front stage before a server has a dispersion rule of data dispersed on server side and analyzes communication data to specify a server to be accessed finally, so that identification information of the specified server is added to packet option of IP layer to thereby omit higher-rank routing processing than IP layer of gateway devices on the way. Consequently, transfer processing of a gateway device at back stage can be performed at high speed and access passing through a network route intended by manager is possible.
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公开(公告)号：US08938794B2
公开(公告)日：2015-01-20
申请号：US13567612
申请日：2012-08-06
IPC分类号： H04L29/06 , H04L12/701
摘要： A gateway device disposed at front stage before a server has a dispersion rule of data dispersed on server side and analyzes communication data to specify a server to be accessed finally, so that identification information of the specified server is added to packet option of IP layer to thereby omit higher-rank routing processing than IP layer of gateway devices on the way. Consequently, transfer processing of a gateway device at back stage can be performed at high speed and access passing through a network route intended by manager is possible.
摘要翻译： 在服务器具有分散在服务器端的数据分散规则之前的前台设置的网关装置，分析通信数据以最终指定要访问的服务器，从而将指定服务器的识别信息添加到IP层的分组选项 从而在途中省略了比IP网络设备更高级的路由处理。 因此，可以高速地进行后级的网关装置的传送处理，通过管理者想要的网络路由的访问是可能的。
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公开(公告)号：US07830895B2
公开(公告)日：2010-11-09
申请号：US11328106
申请日：2006-01-10
申请人： Hideki Endo , Kunihiko Toumura , Toshiaki Suzuki
发明人： Hideki Endo , Kunihiko Toumura , Toshiaki Suzuki
IPC分类号： H04L12/56
CPC分类号： H04L67/2814 , H04L45/566
摘要： A packet communication apparatus comprising a node management processor for controlling the whole apparatus, network interfaces for transmitting and receiving packets to and from external networks, function enhancement modules for performing predetermined processes on the packets, and a switch for transferring the packets within the apparatus. The network interface includes a CPU and a memory, the memory stores a program executed by the CPU, the CPU processes the packet received from the external networks by executing the program, and the function enhancement module stores the program stored in the memory.
摘要翻译： 一种分组通信装置，包括用于控制整个装置的节点管理处理器，用于从外部网络发送和接收分组的网络接口，用于对分组执行预定处理的功能增强模块，以及用于在装置内传送分组的交换机。 网络接口包括CPU和存储器，存储器存储由CPU执行的程序，CPU通过执行程序处理从外部网络接收到的分组，并且功能增强模块存储存储在存储器中的程序。
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公开(公告)号：US20070050491A1
公开(公告)日：2007-03-01
申请号：US11489666
申请日：2006-07-20
申请人： Mikio Kataoka , Kunihiko Toumura , Toshiaki Suzuki , Hideki Okita
发明人： Mikio Kataoka , Kunihiko Toumura , Toshiaki Suzuki , Hideki Okita
IPC分类号： G06F15/173
CPC分类号： H04L67/2814 , H04L67/2842 , H04L67/288
摘要： The purpose of the invention is to provide a distributed cache system applicable to a large-scale network having multiple cache servers. In a distributed cache system including multiple cache control servers, the content information is divided and managed by each cache control server. When content requested from a client is stored in the distributed cache system, a cache cooperation router forwards the content request to the cache control server which manages the information of the requested content. A cache control server has a function to notify its own address to the distributed cache system when the cache control server is added to the distributed cache system. When a cache control server receives the notification, it sends content information to the new cache control server and synchronizes the content information. Thus, a cache control server can be added to the system with ease.
摘要翻译： 本发明的目的是提供一种适用于具有多个缓存服务器的大规模网络的分布式缓存系统。 在包括多个高速缓存控制服务器的分布式缓存系统中，每个高速缓存控制服务器对内容信息进行划分和管理。 当从客户端请求的内容被存储在分布式高速缓存系统中时，高速缓存协作路由器将内容请求转发到管理请求的内容的信息的高速缓存控制服务器。 当缓存控制服务器被添加到分布式高速缓存系统时，缓存控制服务器具有向分布式缓存系统通知其自己的地址的功能。 当缓存控制服务器接收到通知时，将内容信息发送到新的缓存控制服务器并同步内容信息。 因此，可以容易地将缓存控制服务器添加到系统。
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公开(公告)号：US08656406B2
公开(公告)日：2014-02-18
申请号：US13037410
申请日：2011-03-01
IPC分类号： G06F9/46
CPC分类号： G06F9/505 , H04L67/1008 , H04L67/101 , H04L67/1029
摘要： In a system including a load balancer to select a virtual server to which a request is to be transferred, the load balancer includes a function to monitor resource use states of physical and virtual servers and a function to predict a packet loss occurring in a virtual switch. The request count of requests processible by each virtual server is calculated based on the resource amount available for the virtual server and a packet loss rate of the virtual switch, to thereby select a virtual server capable of processing a larger number of requests.
摘要翻译： 在包括用于选择要传送请求的虚拟服务器的负载平衡器的系统中，负载平衡器包括监视物理和虚拟服务器的资源使用状态的功能以及预测在虚拟交换机中发生的分组丢失的功能 。 基于虚拟服务器可用的资源量和虚拟交换机的丢包率来计算每个虚拟服务器可处理请求的请求计数，从而选择能够处理较大数量的请求的虚拟服务器。
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公开(公告)号：US08510372B2
公开(公告)日：2013-08-13
申请号：US12850351
申请日：2010-08-04
申请人： Kunihiko Toumura
发明人： Kunihiko Toumura
IPC分类号： G06F15/16 , G06F15/173 , G06F15/177
CPC分类号： H04L61/1511 , H04L29/12066 , H04L29/12301 , H04L61/2076 , H04L67/1002 , H04L67/2814
摘要： A gateway system for distributing requests from multiple terminals to multiple first servers includes a second server device and a name resolution device wherein: an address generating function for generating an IP address from a character string is distributed to the name resolution device, and multiple specified IP addresses are registered in the second server devices; when the name resolution device receives a first request for resolving a name, the name resolution device extracts the access destination URL from the first request, generates an IP address from the character string of the host name of the extracted URL by utilizing the address generating function, and sends the generated IP address to the terminal; and when the terminal sends a second request setting the access destination of the URL for the first server device, to the second server device where the IP address is registered, the second server device transfers that transmitted second request to the first server device based on the URL of the access destination.
摘要翻译： 用于将来自多个终端的请求分发到多个第一服务器的网关系统包括第二服务器设备和名称解析设备，其中：从字符串生成IP地址的地址生成功能被分发到名称解析设备，并且多个指定的IP 地址被登记在第二服务器设备中; 当名称解析装置接收到解析名称的第一请求时，名称解析装置从第一请求提取访问目的地URL，通过利用地址生成函数从提取的URL的主机名的字符串中生成IP地址 并将生成的IP地址发送到终端; 并且当所述终端向所述第一服务器设备的URL的访问目的地发送第二请求时，将所述第二服务器设备向所述第二服务器设备发送所述第二服务器设备，所述第二服务器设备基于 访问目的地的URL。
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公开(公告)号：US08149705B2
公开(公告)日：2012-04-03
申请号：US11500437
申请日：2006-08-08
申请人： Kunihiko Toumura , Tomoyuki Iijima
发明人： Kunihiko Toumura , Tomoyuki Iijima
IPC分类号： G01R31/08
CPC分类号： H04L43/022 , H04L43/028
摘要： To analyze traffic at an application level, a stream according to TCP or SCTP is required to be reconstructed and to be analyzed. When a packet is transferred to analyzing equipment using a port mirroring function with which a router and a switch are provided, transferred traffic volume increases and exceeds the throughput of the analyzing equipment. As only a part of packets configuring a stream is transferred to the analyzing equipment in transfer to the analyzing equipment using a packet sampling function, analysis at the application level is impossible. To solve the problem, when a packet communication unit recognizes a stream start packet, samples a stream initiated by the packet on a condition and at a rate respectively determined beforehand and generates a condition for copying the packet based upon information of both ends of the stream included in the packet, packets sampled in units of stream can be transferred to the analyzing equipment.
摘要翻译： 为了在应用层级分析流量，需要对根据TCP或SCTP的流进行重构和分析。 当使用提供路由器和交换机的端口镜像功能将数据包传输到分析设备时，传输的流量增加并超过分析设备的吞吐量。 由于只有配置流的数据包的一部分传输到分析设备，才能使用数据包采样功能传送到分析设备，因此在应用层面上的分析是不可能的。 为了解决该问题，当分组通信单元识别流起始分组时，以预先分别确定的条件和速率对由分组发起的流进行采样，并且基于流的两端的信息生成用于复制分组的条件 分组中包含的数据包可以将流量单位采样的数据包传送到分析设备。
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9.发明授权Computer system with a packet transfer device using a hash value for transferring a content request 失效具有使用散列值传送内容请求的分组传送装置的计算机系统公开(公告)号：US07653703B2
公开(公告)日：2010-01-26
申请号：US11411071
申请日：2006-04-26
IPC分类号： G06F15/16
CPC分类号： H04L67/1021 , H04L67/1002 , H04L67/1023 , H04L67/32 , H04L67/327
摘要： An object of this invention is to reduce a calculation amount and required storage capacity of a URL switch by dividing transfer destination determining processing among a plurality of devices. Provided is a computer system including: a plurality of servers; and a packet transfer device, in which: the servers are coupled to the packet transfer device; the packet transfer device is coupled to a client terminal via a network; the packet transfer device receives a content request including a fixed-length hash value that is calculated from a variable-length identifier of the content requested by the client terminal; extracts the hash value from the received content request; and determines, based on the extracted hash value, to which one of the plurality of servers the content request is to be transferred.
摘要翻译： 本发明的目的是通过划分多个设备之间的传送目的地确定处理来减少URL开关的计算量和所需的存储容量。 提供一种计算机系统，包括：多个服务器; 以及分组传送装置，其中：所述服务器耦合到所述分组传送装置; 分组传送装置经由网络耦合到客户终端; 所述分组传送装置从所述客户终端请求的内容的可变长度标识符接收包含固定长度哈希值的内容请求; 从接收到的内容请求中提取哈希值; 并且基于所提取的散列值，确定要传送内容请求的多个服务器中的哪个服务器。
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公开(公告)号：US20090165115A1
公开(公告)日：2009-06-25
申请号：US12285172
申请日：2008-09-30
IPC分类号： H04L9/32
CPC分类号： H04L67/2852 , H04L67/2838 , H04L67/2847
摘要： A large-scale content delivery system may be achieved, which may send a large amount of contents without intensive management of the contents in the server. In a service providing system where a client, a service gateway, and a server are connected to each other through a network, the client sends a first message to the server by way of the service gateway. The service gateway inquires a processing method of the first message from the client of the server by using a second message that includes a part of the first message content. The server replies to the inquiry of the processing method from the service gateway with a program that describes the processing method, and the service gateway processes the first message from the client on the basis of the received processing method.
摘要翻译： 可以实现大规模的内容传送系统，其可以发送大量的内容，而不对服务器内容进行密集的管理。 在通过网络将客户端，服务网关和服务器彼此连接的服务提供系统中，客户端通过服务网关向服务器发送第一消息。 服务网关通过使用包括第一消息内容的一部分的第二消息来查询来自服务器的客户端的第一消息的处理方法。 服务器利用描述处理方法的程序从服务网关回答处理方法的查询，服务网关根据接收到的处理方法从客户端处理第一消息。
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