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1. 发明申请

US20130336167A1 IDENTIFYING THE BEST SERVICE PROVIDER LINK FOR PERFORMANCE ROUTING 有权
标题翻译：识别性能路由的最佳服务提供商链接
公开(公告)号：US20130336167A1
公开(公告)日：2013-12-19
申请号：US13525586
申请日：2012-06-18
申请人： Sravan Vadlakonda , Pritam Shah , Rahul G. Patel
发明人： Sravan Vadlakonda , Pritam Shah , Rahul G. Patel
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L45/04
摘要： In one embodiment, a method includes obtaining a first packet included in a flow to be forwarded to a border router, and replicating the first packet to create a duplicate. The first packet is forwarded onto a first set of links, and the duplicate is forwarded onto a second set of links, to the border router. First information relating to the first packet and the first set of links, and second information relating to the duplicate and the second set of links, is obtained. The first information and the second information are used to determine whether to forward the flow on the first set of links. The first set of links is used to forward the flow if it is determined that the first set of links is to be used to forward the flow, otherwise the second set of links is used to forward the flow.
摘要翻译：在一个实施例中，一种方法包括获得包含在要转发到边界路由器的流中的第一分组，以及复制第一分组以创建副本。第一个分组被转发到第一组链路上，并且将该副本转发到第二组链路到边界路由器。获得与第一分组和第一组链接有关的第一信息，以及与重复和第二组链接有关的第二信息。第一信息和第二信息用于确定是否转发第一组链路上的流。如果确定第一组链接用于转发流，则第一组链接用于转发流，否则第二组链接用于转发流。

2. 发明授权

US08165969B2 Route optimization of services provided by one or more service providers for combined links 有权
标题翻译：由一个或多个服务提供商为组合链路提供的服务的路由优化
公开(公告)号：US08165969B2
公开(公告)日：2012-04-24
申请号：US11336584
申请日：2006-01-20
申请人： Pritam Shah , Philip C. Jacobs , Rahul G. Patel
发明人： Pritam Shah , Philip C. Jacobs , Rahul G. Patel
IPC分类号： G06Q99/00
CPC分类号： H04L12/14 , G06Q30/0283 , H04L12/145 , H04L12/1485
摘要： A technique performs route optimization of services provided by one or more service providers (SPs) for communication links that are combined in a computer network. According to the novel technique, performance characteristics and statistics (“link data”) for two or more combined links are merged to form link data for a single “virtual combined link.” Route optimization techniques (e.g., priority-based route optimization) may then be applied to one or more virtual combined links based on the combined link data, in addition to link data for zero or more conventional single links (physical or virtual). Illustratively, a route optimization technique may be used in accordance with the present invention to efficiently and accurately minimize costs associated with services provided by a plurality of SPs, wherein each SP charges for utilization of its service based on a tiered pricing structure. The tiered pricing structure comprises one or more tiers, wherein each tier correlates to an amount of service provided by the SP and an associated cost.
摘要翻译：一种技术对由一个或多个服务提供商（SP）提供的用于组合在计算机网络中的通信链路的服务的路由优化。根据新技术，两个或多个组合链路的性能特征和统计（“链路数据”）被合并以形成用于单个“虚拟组合链路”的链路数据。路由优化技术（例如，基于优先级的路由优化）可以然后除了用于零个或更多个常规单个链路（物理或虚拟）的链路数据之外，还可以基于组合的链路数据将其应用于一个或多个虚拟组合链路。说明性地，根据本发明可以使用路由优化技术来有效和准确地最小化与由多个SP提供的服务相关联的成本，其中每个SP基于分层定价结构为其服务使用收费。分层定价结构包括一个或多个层，其中每个层与由SP提供的服务量和相关联的成本相关。

3. 发明申请

US20100309795A1 DYNAMICALLY RIGHT-SIZING PREFIXES FOR NETWORK AND APPLICATION PERFORMANCE 有权
标题翻译：用于网络和应用性能的动态正确的前缀
公开(公告)号：US20100309795A1
公开(公告)日：2010-12-09
申请号：US12478343
申请日：2009-06-04
申请人： Pritam Shah , Dana Blair , Rahul G. Patel
发明人： Pritam Shah , Dana Blair , Rahul G. Patel
IPC分类号： H04J1/16
CPC分类号： H04L45/26 , H04L45/00 , H04L45/121 , H04L45/125 , H04L45/54 , H04L47/125
摘要： In one embodiment, performance parameters may be determined for each of a plurality of network address prefixes in a computer network. Based on the respective performance parameters, the prefixes may be resized through at least one of consolidation of adjacent prefixes and splitting of prefixes, and traffic may then be routed in the computer network based on the resized prefixes.
摘要翻译：在一个实施例中，可以为计算机网络中的多个网络地址前缀中的每一个确定性能参数。基于相应的性能参数，可以通过相邻前缀的合并和前缀的分割中的至少一个来调整前缀，并且然后可以基于调整大小的前缀在计算机网络中路由业务。

4. 发明申请

US20100128606A1 FIRST-HOP DOMAIN RELIABILITY MEASUREMENT AND LOAD BALANCING IN A COMPUTER NETWORK 有权
标题翻译：计算机网络中的第一个域可靠性测量和负载平衡
公开(公告)号：US20100128606A1
公开(公告)日：2010-05-27
申请号：US12324081
申请日：2008-11-26
申请人： Rahul G. Patel , Pritam Shah , Dana Blair
发明人： Rahul G. Patel , Pritam Shah , Dana Blair
IPC分类号： H04L12/24
CPC分类号： H04L43/0864 , H04L12/5691 , H04L43/0888 , H04L43/12 , H04L47/125
摘要： In one embodiment, probe messages may be transmitted from a local domain to a set of one or more responding probe targets located beyond a plurality of probed first-hop domains of the local domain, the probe messages transmitted via each of a plurality of probed first-hop domains. A reliability of each probed first-hop domain may then be determined based on responsiveness of probe messages transmitted via each respective probed first-hop domain, such that traffic destined beyond the probed first-hop domains may be load balanced across the probed first-hop domains based on the respective reliability, regardless of a traffic-class and a destination of the traffic.
摘要翻译：在一个实施例中，探测消息可以从本地域发送到位于本地域的多个探测的第一跳域之外的一个或多个响应探测目标的集合，所述探测消息经由多个探测的第一 -hop域名。然后可以基于经由每个相应的探测的第一跳域发送的探测消息的响应性来确定每个被探测的第一跳域的可靠性，使得注意超出探测的第一跳域的流量可跨越所探测的第一跳负载平衡基于相应的可靠性的域，而不管流量级别和流量的目的地。

5. 发明申请

US20100110891A1 SHARING PERFORMANCE MEASUREMENTS AMONG ADDRESS PREFIXES OF A SAME DOMAIN IN A COMPUTER NETWORK 有权
标题翻译：在计算机网络中同一个域的地址前缀共享性能测量
公开(公告)号：US20100110891A1
公开(公告)日：2010-05-06
申请号：US12266182
申请日：2008-11-06
申请人： Pritam Shah , Rahul G. Patel , Dana Blair
发明人： Pritam Shah , Rahul G. Patel , Dana Blair
IPC分类号： H04J1/16
CPC分类号： H04L45/26 , H04L45/00 , H04L45/04 , H04L45/302 , H04L45/70
摘要： In one embodiment, performance measurements may be obtained at a local domain from a set of one or more responding targets of a particular remote domain. The performance measurements may then be applied to prefix-specific policies of any corresponding destination address prefix within the particular remote domain, such that traffic destined to a particular prefix of the particular remote domain may be routed from the local domain based on the corresponding prefix-specific policies and applied performance measurements.
摘要翻译：在一个实施例中，可以在特定远程域的一个或多个响应目标的集合的本地域处获得性能测量。然后，可以将性能测量结果应用于特定远程域内任何相应的目的地地址前缀的特定于前缀的策略，使得去往特定远程域的特定前缀的流量可以基于相应的前缀 - 具体政策和应用性能测量。

6. 发明授权

US06873333B1 Computer system with post screen format configurability 失效
标题翻译：具有后屏格式可配置性的计算机系统
公开(公告)号：US06873333B1
公开(公告)日：2005-03-29
申请号：US09123307
申请日：1998-07-28
申请人： Rahul G. Patel , Paul J. Broyles
发明人： Rahul G. Patel , Paul J. Broyles
IPC分类号： G06T1/00 , G06T1/60
CPC分类号： G06T1/00
摘要： A computer system has a selectable set-up feature to adjust the display screen image presented during power on self test, or POST. The computer memory contains two sets of information that can be presented on the video display screen. An application of power to the computer system, a first form of information from a first video memory area is normally presented to the computer output device. This information is simpler in format, requiring less memory. Also, upon the application of power to the computer system, flags or semaphores direct substantially all of a detailed or verbose screen information from initialization, configuration, or other boot-time routines to a second video memory area while information in the first video memory area is presented on the display. Upon receiving one of a predetermined set of commands, the computer system switches from the first display to the second display, presenting the second verbose screen information on the video screen. The command may be internally generated upon execution of a group of instructions, or it may be received from an input device coupled to the computer system.
摘要翻译：计算机系统具有可选择的设置功能，用于调整上电自检或POST期间显示的显示屏幕图像。计算机存储器包含可以在视频显示屏上呈现的两组信息。通常，向计算机系统施加来自第一视频存储区域的第一形式的信息给计算机输出设备。该信息的格式更简单，需要更少的内存。此外，当向计算机系统施加电力时，标志或信号量将基本上将详细或详细的屏幕信息从初始化，配置或其他引导时间例程引导到第二视频存储器区域，同时在第一视频存储器区域被显示在显示器上。在接收到一组预定命令之后，计算机系统从第一显示器切换到第二显示器，在视频屏幕上呈现第二详细屏幕信息。该命令可以在执行一组指令时在内部产生，或者可以从耦合到计算机系统的输入设备接收命令。

7. 发明授权

US06363473B1 Simulated memory stack in a stackless environment 有权
标题翻译：模拟内存堆栈在无堆栈环境中
公开(公告)号：US06363473B1
公开(公告)日：2002-03-26
申请号：US09283994
申请日：1999-04-01
申请人： Robert J. Volentine , Rahul G. Patel
发明人： Robert J. Volentine , Rahul G. Patel
IPC分类号： G06F1206
CPC分类号： G06F9/30101 , G06F9/4486
摘要： A computer system that simulates a memory stack in a non-general purpose register set in the computer's CPU. The computer system can use the simulated memory stack to store a return address before jumping to a subroutine or use the simulated stack to store a data value for subsequent retrieval and use. The non-general purpose register set may include memory type range registers (MTRRs). One of the MTRRs is designated as the stack pointer register and is used to store a pointer index value which identifies which of the other MTRR registers is associated with the top of the simulated memory stack. The computer system preferably includes a non-volatile memory, such as a ROM, which contains executable instructions for implementing the simulated memory stack. The instructions provide for incrementing and decrementing the pointer index value and writing to and reading from the MTRR registers identified by the pointer index as associated with the top of simulated stack. By using non-general purpose registers to store data and return addresses, more general purpose registers are available for other reasons. The computer system advantageously permits the simulation of a conventional memory stack when main memory is not available to provide the conventional memory stack.
摘要翻译：一种计算机系统，用于模拟计算机CPU中非通用寄存器中的存储器堆栈。计算机系统可以使用模拟存储器堆栈在跳转到子程序之前存储返回地址，或者使用模拟堆栈来存储数据值以供后续检索和使用。非通用寄存器集可以包括存储器类型范围寄存器（MTRR）。其中一个MTRR被指定为堆栈指针寄存器，用于存储一个指针索引值，该索引值标识其他MTRR寄存器中哪一个与模拟存储器堆栈的顶部相关联。计算机系统优选地包括诸如ROM的非易失性存储器，其包含用于实现模拟存储器堆栈的可执行指令。指令用于递增和递减指针索引值，并将与指针索引识别的MTRR寄存器写入和读取，与模拟堆栈顶部相关联。通过使用非通用寄存器来存储数据和返回地址，出于其他原因，可以使用更多的通用寄存器。当主存储器不可用于提供常规存储器堆栈时，计算机系统有利地允许对常规存储器堆栈的模拟。

8. 发明授权

US09154403B2 Identifying the best service provider link for performance routing 有权
标题翻译：确定性能路由的最佳服务提供商链接
公开(公告)号：US09154403B2
公开(公告)日：2015-10-06
申请号：US13525586
申请日：2012-06-18
申请人： Sravan Vadlakonda , Pritam Shah , Rahul G. Patel
发明人： Sravan Vadlakonda , Pritam Shah , Rahul G. Patel
IPC分类号： H04L12/28 , H04L12/56 , H04L12/715
CPC分类号： H04L45/04
摘要： In one embodiment, a method includes obtaining a first packet included in a flow to be forwarded to a border router, and replicating the first packet to create a duplicate. The first packet is forwarded onto a first set of links, and the duplicate is forwarded onto a second set of links, to the border router. First information relating to the first packet and the first set of links, and second information relating to the duplicate and the second set of links, is obtained. The first information and the second information are used to determine whether to forward the flow on the first set of links. The first set of links is used to forward the flow if it is determined that the first set of links is to be used to forward the flow, otherwise the second set of links is used to forward the flow.
摘要翻译：在一个实施例中，一种方法包括获得包含在要转发到边界路由器的流中的第一分组，以及复制第一分组以创建副本。第一个分组被转发到第一组链路上，并且将该副本转发到第二组链路到边界路由器。获得与第一分组和第一组链接有关的第一信息，以及与重复和第二组链接有关的第二信息。第一信息和第二信息用于确定是否转发第一组链路上的流。如果确定第一组链接用于转发流，则第一组链接用于转发流，否则第二组链接用于转发流。

9. 发明授权

US08880724B2 Event triggered traceroute for optimized routing in a computer network 有权
标题翻译：事件触发traceroute在计算机网络中优化路由
公开(公告)号：US08880724B2
公开(公告)日：2014-11-04
申请号：US12023099
申请日：2008-01-31
申请人： Pritam Shah , Dana Blair , Rahul G. Patel
发明人： Pritam Shah , Dana Blair , Rahul G. Patel
IPC分类号： G06F15/173 , G01R31/08 , H04L12/28 , H04L12/26 , H04L12/24
CPC分类号： H04L43/10 , H04L41/0668 , H04L41/0677 , H04L41/0686 , H04L43/0858 , H04L47/125
摘要： In one embodiment, a network device (e.g., a master controller) may detect an event on a current path in a computer network from a local network domain to a destination address prefix of a remote domain. In response, the device may dynamically (e.g., intelligently) determine a trace target destination address within the destination address prefix, and may perform (or request performance of) a Traceroute of the current path and a selection of alternate paths in the network from the local network domain to the trace target, where the Traceroute is adapted to obtain per-hop measurements along the respective traced path. The measurements may then be stored, for example, to be used for optimal path selection, fault identification reporting, etc.
摘要翻译：在一个实施例中，网络设备（例如，主控制器）可以检测计算机网络中的当前路径上的从本地网络域到远程域的目的地地址前缀的事件。作为响应，设备可以动态地（例如，智能地）确定目的地地址前缀内的跟踪目的地目的地地址，并且可以执行（或请求执行）当前路径的Traceroute和网络中的备选路径的选择本地网络域到跟踪目标，其中Traceroute适用于沿着相应的跟踪路径获取每跳测量。然后可以存储测量结果，例如用于最佳路径选择，故障识别报告等。

10. 发明授权

US08874490B2 Route optimization of services provided by one or more service providers for combined links 有权
标题翻译：由一个或多个服务提供商为组合链路提供的服务的路由优化
公开(公告)号：US08874490B2
公开(公告)日：2014-10-28
申请号：US13409883
申请日：2012-03-01
申请人： Pritam Shah , Philip C. Jacobs , Rahul G. Patel
发明人： Pritam Shah , Philip C. Jacobs , Rahul G. Patel
IPC分类号： G06Q99/00 , H04L12/14 , G06Q30/02
CPC分类号： H04L12/14 , G06Q30/0283 , H04L12/145 , H04L12/1485
摘要： In one embodiment, two or more links, coupled to a first service provider (SP) that charges a price for utilization of services according to a first pricing structure, are combined to form a single virtual combined link. Each of the two or more links of the virtual combined link and one or more other links, coupled to a second SP that charges a price for utilization of services according to a second pricing structure, are monitored to obtain link data. The link data for the two of more links of the virtual combined link is merged to form link data for the virtual combined link. Data distribution among the virtual combined link and the one or more other links is optimized to distribute data among the virtual combined link and the one or more other links in a manner that minimizes cost.
摘要翻译：在一个实施例中，耦合到根据第一定价结构为服务的价格收费的第一服务提供商（SP）的两个或多个链路被组合以形成单个虚拟组合链路。监视虚拟组合链路和一个或多个其他链路的两个或更多个链路中的每一个，耦合到根据第二定价结构为服务的价格收费的第二SP，以获得链路数据。虚拟组合链接的两个链接的链接数据被合并以形成用于虚拟组合链接的链接数据。优化虚拟组合链路和一个或多个其他链路之间的数据分布，以便以最小化成本的方式在虚拟组合链路和一个或多个其他链路之间分发数据。

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