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31. 发明授权

US08020029B2 Method and apparatus for rendering game assets in distributed systems 有权
标题翻译：在分布式系统中渲染游戏资产的方法和装置
公开(公告)号：US08020029B2
公开(公告)日：2011-09-13
申请号：US11539915
申请日：2006-10-10
申请人： Sudhir Aggarwal , Hemant Banavar , Sarit Mukherjee , Sampath Rangarajan
发明人： Sudhir Aggarwal , Hemant Banavar , Sarit Mukherjee , Sampath Rangarajan
IPC分类号： G06F11/00
CPC分类号： H04L1/0072 , A63F13/12 , A63F13/358 , A63F2300/534 , A63F2300/535 , G07F17/32 , G07F17/3223 , G07F17/3239
摘要： The invention includes a method and apparatus for attempting to synchronize delivery of information at a plurality of receiving systems. The method includes generating, at a sending system, a plurality of current messages adapted for rendering an asset within an application space of a respective plurality of receiving systems, determining an accumulated export error for each of the receiving systems, transmitting the current messages toward the respective receiving systems in a manner adapted to reduce the accumulated export errors. The accumulated export error for a receiving system includes an estimated current message export error for a current message generated by the sending system for the receiving system and an accumulated previous message export error for at least one previous message generated by the sending system for the receiving system.
摘要翻译：本发明包括用于尝试在多个接收系统上同步信息传递的方法和装置。该方法包括在发送系统处生成适于在相应的多个接收系统的应用空间内呈现资产的多个当前消息，确定每个接收系统的累积的导出错误，将当前消息发送到相应的接收系统以适于减少累积的出口错误的方式。接收系统的累积导出错误包括由发送系统为接收系统生成的当前消息的估计当前消息导出错误以及由发送系统为接收系统生成的至少一个先前消息的累积先前消息导出错误。

32. 发明授权

US07801957B2 Apparatus and method for fair message exchanges in distributed multi-player games 有权
标题翻译：分布式多玩家游戏中公平消息交换的装置和方法
公开(公告)号：US07801957B2
公开(公告)日：2010-09-21
申请号：US12478130
申请日：2009-06-04
申请人： Katherine H Guo , Sarit Mukherjee , Sanjoy Paul , Sampath Rangarajan
发明人： Katherine H Guo , Sarit Mukherjee , Sanjoy Paul , Sampath Rangarajan
IPC分类号： G06F15/16
CPC分类号： A63F13/358 , A63F13/12 , A63F2300/534 , G07F17/32 , G07F17/3269 , H04L29/08 , H04L67/10 , H04L67/12 , H04L67/322 , H04L67/325 , H04L69/329
摘要： The Fair-Order Service of the present invention delivers action messages to the server as soon as it is feasible. Because action messages from different players exhibit different reaction times with respect to an update message, the Fair-Ordering Service executed at the server dynamically enforces a sufficient waiting period on each action message to guarantee the fair processing of all action messages. In reality, the waiting period at the server is bounded because of the real-time nature of interactive games. The algorithms that offer Fair Ordering Service take into consideration delayed and out-of-order action messages. When action messages corresponding to multiple update messages are interleaved, the Fair-Ordering Service matches the action message to the appropriate update message. It accomplishes this by maintaining a window of update messages and using the reaction times for an action message for each of the update messages in the window. This enables state changes at the game server to be performed with fairness to all the players. The Fair-Order Service invention is based on a framework that uses a proxy architecture making it transparent to any specific game application. The service is well suited to client-server based, online multi-player games, where a fair order of player actions is critical to the game outcome.
摘要翻译：本发明的公平订购服务在可行时尽快向服务器发送动作消息。由于来自不同玩家的动作消息对于更新消息表现出不同的反应时间，所以在服务器处执行的公正排序服务动态地对每个动作消息执行足够的等待时间，以保证所有动作消息的公平处理。实际上，由于互动游戏的实时性，服务器的等待时间是有限的。提供公平订购服务的算法考虑到延迟和无序操作消息。当与多个更新消息相对应的动作消息被交织时，Fair-Ordering Service将动作消息与适当的更新消息相匹配。它通过维护更新消息窗口并使用窗口中的每个更新消息的动作消息的反应时间来实现。这使得游戏服务器上的状态改变能够对所有玩家公平地执行。公平订单服务发明基于使用代理架构使其对任何特定游戏应用程序透明化的框架。该服务非常适合基于客户端服务器的在线多玩家游戏，其中玩家动作的公平顺序对于游戏结果至关重要。

33. 再颁专利

USRE40708E1 Dual encryption protocol for scalable secure group communication 有权
标题翻译：双重加密协议，用于可扩展的安全组通信
公开(公告)号：USRE40708E1
公开(公告)日：2009-05-05
申请号：US11332880
申请日：2006-02-24
申请人： Lakshminath R. Dondeti , Sarit Mukherjee , Ashok Samal
发明人： Lakshminath R. Dondeti , Sarit Mukherjee , Ashok Samal
IPC分类号： H04L9/00
CPC分类号： H04L9/0836 , H04L9/0822 , H04L9/0891 , H04L63/0442 , H04L63/064 , H04L63/065 , H04L63/0823 , H04L63/104
摘要： A logical tree structure and method for managing membership in a multicast group provides scalability and security from internal attacks. The structure defines key groups and subgroups, with each subgroup having a subgroup manager. Dual encryption allows the sender of the multicast data to manage distribution of a first set of encryption keys whereas the individual subgroup managers manage the distribution of a second set of encryption keys. The two key sets allow the sender to delegate much of the group management responsibilities without compromising security because a key from each set is required to access the multicast data. Security is further maintained via a method in which subgroup managers can be either member subgroup managers or participant subgroup managers. Access to both keys is provided to member subgroup managers whereas access to only one key is provided to participant subgroup managers. Nodes can be added without the need to generate a new encryption key at the top level which provides improved scalability.
摘要翻译：用于管理多播组中的成员资格的逻辑树结构和方法提供来自内部攻击的可扩展性和安全性。该结构定义了关键组和子组，每个子组都有一个子组管理器。双重加密允许多播数据的发送者管理第一组加密密钥的分发，而各个子组管理器管理第二组加密密钥的分发。两个密钥集允许发送方委托大量的组管理职责，而不会影响安全性，因为需要每组密钥来访问组播数据。通过子组管理员可以是成员子组管理员或参与者子组管理器的方法进一步维护安全性。向成员子组管理员提供对这两个密钥的访问，而只向一个密钥的访问提供给参与者子组管理器。可以添加节点，而无需在顶层生成新的加密密钥，从而提供改进的可扩展性。

34. 发明申请

US20070236719A1 Presence management proxying methods and devices 有权
标题翻译：存在管理代理方法和设备
公开(公告)号：US20070236719A1
公开(公告)日：2007-10-11
申请号：US11393885
申请日：2006-03-31
申请人： Girish Chandranmenon , Fang Hao , Scott Miller , Sarit Mukherjee , Tejas Naik
发明人： Girish Chandranmenon , Fang Hao , Scott Miller , Sarit Mukherjee , Tejas Naik
IPC分类号： G06K15/00
CPC分类号： H04L67/24 , A63F13/12 , A63F13/358 , A63F2300/534 , A63F2300/535 , H04L67/38
摘要： A network comprises agents which act as proxies on behalf of devices, such as wireless game devices, phones and personal digital assistants. Each agent collects information concerning a “presence status” of a device. An agent determines whether to forward messages on to a device depending on the collected presence status (e.g., active/inactive) of the device. For example, if the presence status indicates the device is active then messages will be forwarded. If, however, the status indicates the device is inactive the message will not be forwarded. Instead, the agent may act as a proxy for the device while it is inactive. By only forwarding messages when a device is active, valuable airlink time and/or bandwidth can be conserved.
摘要翻译：网络包括代表设备（如无线游戏设备，电话和个人数字助理）的代理。每个代理收集有关设备“存在状态”的信息。代理根据收集的设备的状态（例如，主动/不活动）来确定是否将消息转发到设备。例如，如果存在状态指示设备处于活动状态，则消息将被转发。但是，如果状态表示设备处于非活动状态，则不会转发该消息。相反，代理可以在设备处于非活动状态时作为设备的代理。只有当设备处于活动状态时才转发消息，可以节省有价值的空中链路时间和/或带宽。

35. 发明申请

US20070198658A1 Method and Apparatus for Synchronizing Assets Across Distributed Systems 有权
标题翻译：分布式系统同步资产的方法和装置
公开(公告)号：US20070198658A1
公开(公告)日：2007-08-23
申请号：US11539976
申请日：2006-10-10
申请人： Sudhir Aggarwal , Hemant Banavar , Sarit Mukherjee , Sampath Rangarajan
发明人： Sudhir Aggarwal , Hemant Banavar , Sarit Mukherjee , Sampath Rangarajan
IPC分类号： G06F15/16
CPC分类号： A63F13/358 , A63F13/12 , A63F13/52 , A63F13/573 , A63F2300/534 , A63F2300/646 , H04L67/1095
摘要： The invention includes a method and apparatus for synchronizing an asset within application space. The method includes receiving asset information comprising an original position of the asset within application space on a sending system and a trajectory of the asset within application space on the sending system, and determining an updated position adapted for placing the asset within application space on a receiving system, wherein the updated position is determined using the original position, the trajectory, and an expected propagation delay from the sending system to the receiving system. The expected propagation delay between the sending and receiving systems is determined by one or more network proxies. The original position and trajectory of the asset may be received in a data structure which may be modified to include the updated position for use by the receiving system in placing the asset within application space on the receiving system.
摘要翻译：本发明包括用于在应用空间内同步资产的方法和装置。该方法包括接收包括发送系统上的应用空间内的资产的原始位置和发送系统上的应用空间内的资产的轨迹的资产信息，以及确定适于将资产置于应用空间内的更新位置系统，其中使用原始位置，轨迹和从发送系统到接收系统的预期传播延迟来确定更新的位置。发送和接收系统之间的预期传播延迟由一个或多个网络代理确定。资产的原始位置和轨迹可以在数据结构中被接收，数据结构可以被修改为包括更新的位置供接收系统在将资产置于接收系统的应用空间内使用。

36. 发明申请

US20060148460A1 Method and apparatus for enabling persistent connections with wireless networks 有权
标题翻译：用于实现与无线网络的持续连接的方法和装置
公开(公告)号：US20060148460A1
公开(公告)日：2006-07-06
申请号：US11027908
申请日：2004-12-30
申请人： Sarit Mukherjee , Sanjoy Paul , Krishan Sabnani
发明人： Sarit Mukherjee , Sanjoy Paul , Krishan Sabnani
IPC分类号： H04M3/42
CPC分类号： H04L67/16 , H04L67/02 , H04L67/14 , H04L67/142 , H04L67/145 , H04L69/329
摘要： The invention comprises a method and apparatus for establishing a persistent connection between a user device and a service gateway. Specifically, the method comprises obtaining state information in response to a connection request, establishing a connection between the user device and the service gateway using the state information, and maintaining the state information associated with the connection such that the connection is persistent through at least one network state change.
摘要翻译：本发明包括用于在用户设备和服务网关之间建立持久连接的方法和装置。具体地说，该方法包括响应于连接请求获取状态信息，使用状态信息建立用户设备与服务网关之间的连接，以及维护与该连接相关联的状态信息，使得通过至少一个网络状态变化。

37. 发明申请

US20050159181A1 Method and apparatus for interconnecting wireless and wireline networks 有权
标题翻译：用于互连无线和有线网络的方法和装置
公开(公告)号：US20050159181A1
公开(公告)日：2005-07-21
申请号：US10761060
申请日：2004-01-20
申请人： Sarang Gadgil , Anand Kagalkar , Sarit Mukherjee , Sampath Rangarajan
发明人： Sarang Gadgil , Anand Kagalkar , Sarit Mukherjee , Sampath Rangarajan
IPC分类号： H04L12/56 , H04M11/00
CPC分类号： H04L47/50
摘要： A method and apparatus for interconnecting a wireless network and a wireline network include the division of processing functions between a main processor and a plurality of micro-engines. In accordance with an embodiment of the present invention, respective micro-engines perform the data flow processing of data packets for each of the stages of an interconnection pipeline process and a global main processor performs the control processing of data packets for the interconnection pipeline process.
摘要翻译：用于互连无线网络和有线网络的方法和装置包括在主处理器和多个微引擎之间划分处理功能。根据本发明的一个实施例，各个微引擎对互连流水线处理的每个阶段执行数据分组的数据流处理，并且全局主处理器对互连流水线处理执行数据分组的控制处理。

38. 发明授权

US6097422A Algorithm for fast forward and fast rewind of MPEG streams 失效
标题翻译：用于MPEG流快进快速倒带的算法
公开(公告)号：US6097422A
公开(公告)日：2000-08-01
申请号：US166558
申请日：1998-10-05
申请人： Walid G. Aref , Sarit Mukherjee , Ibrahim Mostafa Kamel
发明人： Walid G. Aref , Sarit Mukherjee , Ibrahim Mostafa Kamel
IPC分类号： H04N5/76 , H04N5/92 , H04N5/93 , H04N5/937 , H04N7/173 , H04N21/234 , H04N21/238 , H04N21/2387 , H04N21/44 , H04N21/6377 , H04N21/658 , H04N21/6587
CPC分类号： H04N21/44016 , H04N21/23424 , H04N21/238 , H04N21/2387 , H04N21/6377 , H04N21/658 , H04N21/6587 , H04N7/17318
摘要： A transport system allows delivery of MPEG video streams from a network server to a media client while avoiding network delays associated with transition between files contained in these streams. A buffering system, a transport controller, and a counter allow buffering and interim delivery of MPEG stream data. The transport controller can either deliver MPEG stream data directly to the media client, or route data through the buffering system. The buffering system includes a population buffer for storage of interim MPEG stream data, and a transport buffer for temporary storage of MPEG stream data during continuous delivery. During transitional delivery, the transport controller delivers interim data to the media client until the requested file is available and uses the counter to select the proper start location in the requested file.
摘要翻译：传输系统允许将MPEG视频流从网络服务器传送到媒体客户端，同时避免与包含在这些流中的文件之间的转换相关联的网络延迟。缓冲系统，传输控制器和计数器允许MPEG流数据的缓冲和临时传送。传输控制器可以将MPEG流数据直接传送到媒体客户端，或者通过缓冲系统路由数据。缓冲系统包括用于存储临时MPEG流数据的总体缓冲器，以及用于在连续传送期间临时存储MPEG流数据的传输缓冲器。在过渡交付期间，传输控制器将临时数据传送到媒体客户端，直到所请求的文件可用，并使用计数器在请求的文件中选择正确的起始位置。

39. 发明授权

US6061720A Seamless scalable distributed media server 失效
标题翻译：无缝可扩展的分布式媒体服务器
公开(公告)号：US6061720A
公开(公告)日：2000-05-09
申请号：US181015
申请日：1998-10-27
申请人： Ibrahim Mostafa Kamel , Walid G. Aref , Sarit Mukherjee
发明人： Ibrahim Mostafa Kamel , Walid G. Aref , Sarit Mukherjee
IPC分类号： G06F3/06 , G06F11/20 , G06F12/00 , H04L12/46 , H04N21/218 , H04N21/231 , H04N21/238 , G06F13/00
CPC分类号： H04N21/23103 , G06F11/1076 , G06F3/0607 , G06F3/0613 , G06F3/0635 , G06F3/067 , H04N21/2181 , H04N21/238
摘要： The distributed multimedia server employs modular server elements that connect with client systems through a high bandwidth network. The server elements are connected in interleaved fashion with the switching elements and the data representing different media selections are arranged in stripe groups distributed across the server elements. The server can be as small as a single server element or grown incrementally, as needed, by connecting additional server elements to the system. Multiple copies of hot media selections are stored across the distributed architecture within different stripe groups to minimize bottlenecks within the storage subsystem.
摘要翻译：分布式多媒体服务器采用通过高带宽网络与客户端系统连接的模块化服务器元件。服务器元件以交换方式与交换元件连接，并且表示不同媒体选择的数据被布置在跨服务器元素分布的条带组中。服务器可以与单个服务器元素一样小，或者根据需要逐渐增长，通过将其他服务器元素连接到系统。热媒体选择的多个副本存储在不同条带组内的分布式体系结构中，以最大限度地减少存储子系统内的瓶颈。

40. 发明授权

US09089771B2 Method and apparatus for synchronizing assets across distributed systems 有权
标题翻译：跨分散式系统同步资产的方法和装置
公开(公告)号：US09089771B2
公开(公告)日：2015-07-28
申请号：US11539976
申请日：2006-10-10
申请人： Sudhir Aggarwal , Hemant Banavar , Sarit Mukherjee , Sampath Rangarajan
发明人： Sudhir Aggarwal , Hemant Banavar , Sarit Mukherjee , Sampath Rangarajan
IPC分类号： G06F15/16 , A63F13/30 , H04L29/08
CPC分类号： A63F13/358 , A63F13/12 , A63F13/52 , A63F13/573 , A63F2300/534 , A63F2300/646 , H04L67/1095
摘要： The invention includes a method and apparatus for synchronizing an asset within application space. The method includes receiving asset information comprising an original position of the asset within application space on a sending system and a trajectory of the asset within application space on the sending system, and determining an updated position adapted for placing the asset within application space on a receiving system, wherein the updated position is determined using the original position, the trajectory, and an expected propagation delay from the sending system to the receiving system. The expected propagation delay between the sending and receiving systems is determined by one or more network proxies. The original position and trajectory of the asset may be received in a data structure which may be modified to include the updated position for use by the receiving system in placing the asset within application space on the receiving system.
摘要翻译：本发明包括用于在应用空间内同步资产的方法和装置。该方法包括接收包括发送系统上的应用空间内的资产的原始位置和发送系统上的应用空间内的资产的轨迹的资产信息，以及确定适于将资产置于应用空间内的更新位置系统，其中使用原始位置，轨迹和从发送系统到接收系统的预期传播延迟来确定更新的位置。发送和接收系统之间的预期传播延迟由一个或多个网络代理确定。资产的原始位置和轨迹可以在数据结构中被接收，数据结构可以被修改为包括更新的位置供接收系统在将资产置于接收系统的应用空间内使用。

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