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11. 发明授权

US07599328B2 System and method for efficient selection of a packet data servicing node 有权
标题翻译：用于有效选择分组数据服务节点的系统和方法
公开(公告)号：US07599328B2
公开(公告)日：2009-10-06
申请号：US11319347
申请日：2005-12-27
申请人： Cheng-Lee Nee , Gopal K. Dommety , Hancang Wang , Sudhakar R. Padala , Qingming Ma , Perng-Hwa A. Wu
发明人： Cheng-Lee Nee , Gopal K. Dommety , Hancang Wang , Sudhakar R. Padala , Qingming Ma , Perng-Hwa A. Wu
IPC分类号： H04L12/56
CPC分类号： H04W36/02 , H04L67/14 , H04W80/00 , H04W80/10
摘要： A data communication system is provided that allows for the efficient management of data communication sessions requested from a plurality of packet data servicing nodes organized in a cluster, each member of the cluster managing a cluster session table which contains data identifying mobile units and packet data servicing nodes which are servicing data sessions with the mobile unit. As a mobile unit moves from one portion of the system to another, a network element will request a data session from a packet data servicing node, the packet data servicing node is then able to access the cluster session table to determine if the data session is already being served by another member of the cluster. If the data session is already in existence, the base station controller will be directed to request a data session from the packet data servicing node which is already servicing that session.
摘要翻译：提供了一种数据通信系统，其允许从组群中组织的多个分组数据服务节点请求的数据通信会话的有效管理，集群的每个成员管理集群会话表，其中包含识别移动单元和分组数据服务的数据与移动单元进行数据会话的节点。当移动单元从系统的一部分移动到另一部分时，网元将从分组数据服务节点请求数据会话，分组数据服务节点然后能够访问集群会话表，以确定数据会话是否是已经由集群的另一个成员服务。如果数据会话已经存在，则将指导基站控制器从已经服务该会话的分组数据服务节点请求数据会话。

12. 发明授权

US07453884B2 Apparatus and method for scalable and dynamic traffic engineering in a data communication network 有权
标题翻译：数据通信网络中可扩展和动态流量工程的装置和方法
公开(公告)号：US07453884B2
公开(公告)日：2008-11-18
申请号：US10958920
申请日：2004-10-04
申请人： Qingming Ma
发明人： Qingming Ma
IPC分类号： H04L12/66
CPC分类号： H04L47/10 , H04L45/04 , H04L45/34 , H04L45/54 , H04L47/125 , H04L47/17 , H04L47/2408 , H04L47/31
摘要： A global path identifier is assigned to each explicit route through a data communication network. The global path identifier is inserted into each packet as the packet enters a network and is used in selecting the next hop. When encountering a new selected path, an ingress router sends an explicit object to downstream nodes of the path to set up explicit routes by caching the next hop in an Explicit Forwarding Information Base (“EFIB”) table. Ingress routers maintain an Explicit Route Table (“ERT”) that tracks the global path identifier associated with each flow through the network. Multiple flows using the same path can be implemented by sharing the same global path identifier. In case of sudden network load changes, rerouting can be performed by changing the global path identifier associated with those flows that need to be rerouted and by then transmitting a new path object to downstream nodes.
摘要翻译：全局路径标识符被分配给通过数据通信网络的每个显式路由。当分组进入网络时，将全局路径标识符插入到每个分组中，并用于选择下一跳。当遇到新的选定路径时，入口路由器通过在显式转发信息库（“EFIB”）表中缓存下一跳，将明确的对象发送到路径的下游节点以建立显式路由。入口路由器维护一个显式路由表（“ERT”），跟踪与通过网络的每个流相关联的全局路径标识符。使用相同路径的多个流可以通过共享相同的全局路径标识符来实现。在突然的网络负载变化的情况下，可以通过改变与需要重新路由的那些流相关联的全局路径标识符，然后将新的路径对象发送到下游节点来执行重新路由。

13. 发明授权

US08261352B2 Hybrid representation for deterministic finite automata 有权
标题翻译：确定性有限自动机的混合表示
公开(公告)号：US08261352B2
公开(公告)日：2012-09-04
申请号：US12468454
申请日：2009-05-19
申请人： Qingming Ma , Bryan Burns , Sheng Li , Na Liu , Xuejun Wu , Shan Yu , Li Zheng
发明人： Qingming Ma , Bryan Burns , Sheng Li , Na Liu , Xuejun Wu , Shan Yu , Li Zheng
IPC分类号： G06F21/06
CPC分类号： H04L63/1416
摘要： A method includes receiving a data unit, determining whether a current state, associated with a deterministic finite automata (DFA) that includes a portion of states in a bitmap and a remaining portion of states in a DFA table, is a bitmap state or not, and determining whether a value corresponding to the data unit is greater than a threshold value, when it is determined that the current state is not a bitmap state. The method further includes determining whether the current state is insensitive, when it is determined that the value corresponding to the data unit is greater than the threshold value, where insensitive means that each next state is a same state for the current state, and selecting a default state, as a next state for the current, when it is determined that the current state is insensitive.
摘要翻译：一种方法包括接收数据单元，确定与包括位图中的状态的一部分和DFA表中的剩余部分状态的确定性有限自动机（DFA）相关联的当前状态是否为位图状态，以及当确定当前状态不是位图状态时，确定对应于所述数据单元的值是否大于阈值。该方法还包括当确定对应于数据单元的值大于阈值时确定当前状态是否不敏感，其中不确定意味着每个下一状态对于当前状态是相同的状态，并且选择默认状态，作为当前的下一状态，当确定当前状态不敏感时。

14. 发明授权

US07826469B1 Memory utilization in a priority queuing system of a network device 有权
标题翻译：网络设备优先级排队系统中的内存利用率
公开(公告)号：US07826469B1
公开(公告)日：2010-11-02
申请号：US12400529
申请日：2009-03-09
申请人： Xianzhi Li , Hongsheng Ping , Qingming Ma
发明人： Xianzhi Li , Hongsheng Ping , Qingming Ma
IPC分类号： H04L12/28
CPC分类号： H04L47/6215 , H04L47/2441 , H04L49/90 , H04L49/901 , H04L49/9036
摘要： In general, the invention is directed to techniques for improving memory utilization in a priority queuing system of a network device. More specifically, a priority queue memory management system is described in which memory pages are assigned to the various priority queues in order to implement an efficient first in, first out (FIFO) functionality. The dynamic memory techniques described herein allow the multiple priority queues to share a common memory space. As a result, each priority queue does not require a pre-allocated amount of memory that matches the aggregate size of the packets that must be buffered by the queue.
摘要翻译：通常，本发明涉及用于提高网络设备的优先级排队系统中的存储器利用率的技术。更具体地，描述了优先级队列存储器管理系统，其中存储器页被分配给各种优先级队列，以便实现有效的先入先出（FIFO）功能。这里描述的动态存储器技术允许多个优先级队列共享公共存储器空间。因此，每个优先级队列不需要与必须由队列缓冲的数据包的聚合大小相匹配的预先分配的内存量。

15. 发明授权

US07477659B1 System and method for performing admission control functions in a data network 有权
标题翻译：用于在数据网络中执行准入控制功能的系统和方法
公开(公告)号：US07477659B1
公开(公告)日：2009-01-13
申请号：US11053320
申请日：2005-02-07
申请人： Cheng-Lee Nee , Qingming Ma
发明人： Cheng-Lee Nee , Qingming Ma
IPC分类号： H04J3/16 , H04J3/22 , H04Q7/20
CPC分类号： H04W28/20 , H04W8/20
摘要： A resource manager 20 receives and compiles data from a plurality of base transceiver station 14 to enable an admission control decision before beginning a communication session with a mobile unit 12. The historic usage patterns of the mobile unit 12 and the historic and present bandwidth availability for cells likely to be impacted are taken into account to make the admission control decision.
摘要翻译：资源管理器20接收并编译来自多个基站收发器14的数据，以在开始与移动单元12的通信会话之前启用准入控制决定。移动单元12的历史使用模式以及历史和当前带宽可用性考虑可能受影响的细胞进行入院控制决定。

16. 发明申请

US20080263665A1 NETWORK ATTACK DETECTION USING PARTIAL DETERMINISTIC FINITE AUTOMATON PATTERN MATCHING 有权
标题翻译：使用部分确定性有限自动模式匹配的网络攻击检测
公开(公告)号：US20080263665A1
公开(公告)日：2008-10-23
申请号：US11738059
申请日：2007-04-20
申请人： Qingming Ma , Bryan Burns , Krishna Narayanaswamy , Vipin Rawat , Michael Chuong Shieh
发明人： Qingming Ma , Bryan Burns , Krishna Narayanaswamy , Vipin Rawat , Michael Chuong Shieh
IPC分类号： G06F11/00
CPC分类号： H04L63/1416 , G06F21/552 , G06F21/74 , G06F21/76 , G06F2221/2105 , H04L63/0227
摘要： This disclosure describes techniques for determining whether network traffic contains one or more computer security threats. In order to determine whether a symbol stream conforms to the symbol pattern, a security device stores a full deterministic finite automaton (fDFA) that accepts streams of symbols that conform to the symbol pattern. The security device also creates a partial deterministic finite automaton (pDFA) that includes nodes that correspond to the nodes in the fDFA that have the highest visitation levels. The security device processes each symbol in the symbol stream using the pDFA until a symbol causes the pDFA to transition to a failure node or to an accepting node. If the symbol causes the pDFA to transition to the failure node, the security device processes the symbol and subsequent symbols in the symbol stream using the fDFA.
摘要翻译：本公开描述了用于确定网络流量是否包含一个或多个计算机安全威胁的技术。为了确定符号流是否符合符号模式，安全设备存储接受符合符号模式的符号流的完全确定性有限自动机（fDFA）。安全设备还创建一个部分确定性有限自动机（pDFA），其中包含与fDFA中具有最高访问级别的节点相对应的节点。安全设备使用pDFA处理符号流中的每个符号，直到符号导致pDFA转换到故障节点或接受节点。如果符号导致pDFA转换到故障节点，则安全设备使用fDFA处理符号流中的符号和后续符号。

17. 发明授权

US07123620B1 Apparatus and method for scalable and dynamic traffic engineering in a data communication network 有权
标题翻译：数据通信网络中可扩展和动态流量工程的装置和方法
公开(公告)号：US07123620B1
公开(公告)日：2006-10-17
申请号：US09558693
申请日：2000-04-25
申请人： Qingming Ma
发明人： Qingming Ma
IPC分类号： H04L12/66
CPC分类号： H04L47/10 , H04L45/04 , H04L45/34 , H04L45/54 , H04L47/125 , H04L47/17 , H04L47/2408 , H04L47/31
摘要： A global path identifier is assigned to each explicit route through a data communication network. The global path identifier is inserted into each packet as the packet enters a network and is used in selecting the next hop. When encountering a new selected path, an ingress router sends an explicit object to downstream nodes of the path to set up explicit routes by caching the next hop in an Explicit Forwarding Information Base (“EFIB”) table. Ingress routers maintain an Explicit Route Table (“ERT”) that tracks the global path identifier associated with each flow through the network. Multiple flows using the same path can be implemented by sharing the same global path identifier. In case of sudden network load changes, rerouting can be performed by changing the global path identifier associated with those flows that need to be rerouted and by then transmitting a new path object to downstream nodes.
摘要翻译：全局路径标识符被分配给通过数据通信网络的每个显式路由。当分组进入网络时，将全局路径标识符插入到每个分组中，并用于选择下一跳。当遇到新的选定路径时，入口路由器通过在显式转发信息库（“EFIB”）表中缓存下一跳，将明确的对象发送到路径的下游节点以建立显式路由。入口路由器维护一个显式路由表（“ERT”），跟踪与通过网络的每个流相关联的全局路径标识符。使用相同路径的多个流可以通过共享相同的全局路径标识符来实现。在突然的网络负载变化的情况下，可以通过改变与需要重新路由的那些流相关联的全局路径标识符，然后将新的路径对象发送到下游节点来执行重新路由。

18. 发明授权

US06839768B2 Startup management system and method for rate-based flow and congestion control within a network 失效
标题翻译：网络内基于速率的流量和拥塞控制的启动管理系统和方法
公开(公告)号：US06839768B2
公开(公告)日：2005-01-04
申请号：US09742013
申请日：2000-12-22
申请人： Qingming Ma , Kadangode K. Ramakrishnan
发明人： Qingming Ma , Kadangode K. Ramakrishnan
IPC分类号： H04L12/56 , G06F15/173
CPC分类号： H04L47/283 , H04L47/10 , H04L47/263 , H04L47/37 , Y02D50/10
摘要： A startup management system and method, particularly adapted for use in computer and other communication networks, is presented. Rate-based flow and congestion control mechanisms have been considered desirable, including to deal with the needs of emerging multimedia applications. Explicit rate control mechanisms achieve low loss because of a smooth flow of data from sources, while adjusting source rates through feedback. However, large feedback delays, presence of higher priority traffic and varying network conditions make it difficult to ensure feasibility (i.e., the aggregate arrival rate is below the bottleneck resource's capacity) while also maintaining very high resource utilization. The invention applies entry and early warning techniques which increase the initial connect rate of newly connecting sources.
摘要翻译：提出了一种特别适用于计算机和其他通信网络的启动管理系统和方法。基于速率的流量和拥塞控制机制被认为是可取的，包括处理新兴多媒体应用的需求。显式速率控制机制由于数据来源流畅而实现低损耗，同时通过反馈来调整源速率。然而，大的反馈延迟，高优先级流量的存在和不同的网络条件使得难以确保可行性（即，总的到达速率低于瓶颈资源的容量），同时还保持非常高的资源利用率。本发明采用提高新连接源的初始连接速率的入门和预警技术。

19. 发明授权

US06192406B1 Startup management system and method for networks 失效
标题翻译：网络启动管理系统和方法
公开(公告)号：US06192406B1
公开(公告)日：2001-02-20
申请号：US08874355
申请日：1997-06-13
申请人： Qingming Ma , Kadangode K. Ramakrishnan
发明人： Qingming Ma , Kadangode K. Ramakrishnan
IPC分类号： G06F15173
CPC分类号： H04L47/283 , H04L47/10 , H04L47/263 , H04L47/37 , Y02D50/10
摘要： A startup management system and method, particularly adapted for use in computer and other communication networks, is presented. Rate-based flow and congestion control mechanisms have been considered desirable, including to deal with the needs of emerging multimedia applications. Explicit rate control mechanisms achieve low loss because of a smooth flow of data from sources, while adjusting source rates through feedback. However, large feedback delays, presence of higher priority traffic and varying network conditions make it difficult to ensure feasibility (i.e., the aggregate arrival rate is below the bottleneck resource's capacity) while also maintaining very high resource utilization. The invention applies entry and early warning techniques which increase the initial connect rate of newly connecting sources.
摘要翻译：提出了一种特别适用于计算机和其他通信网络的启动管理系统和方法。基于速率的流量和拥塞控制机制被认为是可取的，包括应对新兴多媒体应用的需求。显式速率控制机制由于数据来源流畅而实现低损耗，同时通过反馈来调整源速率。然而，大的反馈延迟，高优先级流量的存在和不同的网络条件使得难以确保可行性（即，总的到达速率低于瓶颈资源的容量），同时还保持非常高的资源利用率。本发明采用提高新连接源的初始连接速率的入门和预警技术。

20. 发明授权

US08737205B2 Weight-based bandwidth allocation for network traffic 有权
标题翻译：基于权重的网络流量带宽分配
公开(公告)号：US08737205B2
公开(公告)日：2014-05-27
申请号：US13156163
申请日：2011-06-08
申请人： Qingming Ma
发明人： Qingming Ma
IPC分类号： G01R31/08
CPC分类号： H04L47/622 , H04L45/02 , H04L47/52 , H04L47/627 , H04L47/6275
摘要： A network device may implement packet scheduling with administrator-configurable packet scheduling policies. In one implementation, the network device includes a filter component configured to assign priority levels to data units, the priority levels defining traffic classes for the data units. The network device may also include a scheduler component configured to schedule transmission of the traffic classes based on an assignment of weights to the traffic classes using at least one bandwidth allocation policy that exhibits a bandwidth allocation profile that varies based on one or more parameters of the bandwidth allocation policy that are configurable by an administrator.
摘要翻译：网络设备可以实现具有管理员可配置分组调度策略的分组调度。在一个实现中，网络设备包括被配置为向数据单元分配优先级的过滤器组件，优先级定义数据单元的业务类别。网络设备还可以包括调度器组件，其被配置为基于使用至少一个带宽分配策略来调度业务类别的权重的分配，所述带宽分配策略呈现基于一个或多个带宽分配策略，可由管理员配置。

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