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1. 发明申请

US20060262720A1 Method and system for providing delay bound and prioritized packet dropping 有权
公开(公告)号：US20060262720A1
公开(公告)日：2006-11-23
申请号：US11134898
申请日：2005-05-23
申请人： Anna Charny , Christopher Kappler , Sandeep Bajaj , Earl Cohen
发明人： Anna Charny , Christopher Kappler , Sandeep Bajaj , Earl Cohen
IPC分类号： H04L12/26 , H04L12/56
CPC分类号： H04L47/10 , H04L47/2408 , H04L47/2416 , H04L47/2441 , H04L47/283 , H04L47/32 , H04L49/90 , H04L49/9015 , H04L49/9084 , H04L49/9094
摘要： A method and system for providing delay bound and prioritized packet dropping are disclosed. The system limits the size of a queue configured to deliver packets in FIFO order by a threshold based on a specified delay bound. Received packets are queued if the threshold is not exceeded. If the threshold is exceeded, a packet having a precedence level less than that of the precedence level of the received packet is dropped. If all packets in the queue have a precedence level greater than that of the packet received, then the received packet is dropped if the threshold is exceeded.

2. 发明授权

US07567508B2 Method and system for providing delay bound and priortized packet dropping 有权
标题翻译：提供延迟绑定和优先级丢包的方法和系统
公开(公告)号：US07567508B2
公开(公告)日：2009-07-28
申请号：US11134898
申请日：2005-05-23
申请人： Anna Charny , Christopher Kappler , Sandeep Bajaj , Earl T. Cohen
发明人： Anna Charny , Christopher Kappler , Sandeep Bajaj , Earl T. Cohen
IPC分类号： H04L12/26 , H04L12/56 , G06F15/173 , G06F5/00
CPC分类号： H04L47/10 , H04L47/2408 , H04L47/2416 , H04L47/2441 , H04L47/283 , H04L47/32 , H04L49/90 , H04L49/9015 , H04L49/9084 , H04L49/9094
摘要： A method and system for providing delay bound and prioritized packet dropping are disclosed. The system limits the size of a queue configured to deliver packets in FIFO order by a threshold based on a specified delay bound. Received packets are queued if the threshold is not exceeded. If the threshold is exceeded, a packet having a precedence level less than that of the precedence level of the received packet is dropped. If all packets in the queue have a precedence level greater than that of the packet received, then the received packet is dropped if the threshold is exceeded.
摘要翻译：公开了一种用于提供延迟限制和优先级分组丢弃的方法和系统。系统限制配置为以FIFO顺序传送数据包的队列的大小，基于指定的延迟限制的阈值。如果不超过阈值，接收到的数据包将排队。如果超出阈值，丢弃优先级小于接收报文优先级的报文。如果队列中的所有数据包的优先级大于接收到的数据包，则超过阈值时，接收到的数据包将被丢弃。

3. 发明申请

US20060133279A1 Hierarchical multi-rate multi-precedence policer 有权
标题翻译：分层多速率多优先策略器
公开(公告)号：US20060133279A1
公开(公告)日：2006-06-22
申请号：US11019915
申请日：2004-12-21
申请人： Francois Le Faucheur , Anna Charny , Sandeep Bajaj
发明人： Francois Le Faucheur , Anna Charny , Sandeep Bajaj
IPC分类号： H04J1/16
CPC分类号： H04L47/10 , H04L47/20 , H04L47/215 , H04L47/2416 , H04L47/31 , H04L47/32 , H04L47/41
摘要： A hierarchical multi-rate multi-precedence policer is disclosed. The policer discards packets based on assigned precedence levels. When traffic exceeds an available service rate, the policer drops packets of lower precedence levels to make room for packets of higher precedence levels. In certain implementations, the policer also guarantees bandwidth to each level, thus preventing complete loss of lower precedence traffic when there is a large amount of higher precedence traffic.
摘要翻译：公开了一种分级多速率多优先策略器。监管者根据分配的优先级丢弃数据包。当流量超过可用服务速率时，策略者丢弃优先级较低的报文，为优先级较高的报文提供空间。在某些实现中，策略器还保证每个级别的带宽，从而在存在大量较高优先级流量时防止较低优先级流量的完全丢失。

4. 发明授权

US07738382B2 Hierarchical multi-rate multi-precedence policer 有权
标题翻译：分层多速率多优先策略器
公开(公告)号：US07738382B2
公开(公告)日：2010-06-15
申请号：US11019915
申请日：2004-12-21
申请人： Francois Le Faucheur , Anna Charny , Sandeep Bajaj
发明人： Francois Le Faucheur , Anna Charny , Sandeep Bajaj
IPC分类号： H04J1/16 , H04J3/14 , H04L1/00
CPC分类号： H04L47/10 , H04L47/20 , H04L47/215 , H04L47/2416 , H04L47/31 , H04L47/32 , H04L47/41
摘要： A hierarchical multi-rate multi-precedence policer is disclosed. The policer discards packets based on assigned precedence levels. When traffic exceeds an available service rate, the policer drops packets of lower precedence levels to make room for packets of higher precedence levels. In certain implementations, the policer also guarantees bandwidth to each level, thus preventing complete loss of lower precedence traffic when there is a large amount of higher precedence traffic.
摘要翻译：公开了一种分级多速率多优先策略器。监管者根据分配的优先级丢弃数据包。当流量超过可用服务速率时，策略者丢弃优先级较低的报文，为优先级较高的报文提供空间。在某些实现中，策略器还保证每个级别的带宽，从而在存在大量较高优先级流量时防止较低优先级流量的完全丢失。

5. 发明申请

US20090125470A1 System and Method for Managing Access Control Lists 审中-公开
标题翻译：用于管理访问控制列表的系统和方法
公开(公告)号：US20090125470A1
公开(公告)日：2009-05-14
申请号：US11938060
申请日：2007-11-09
申请人： Sandip Shah , Sandeep Bajaj
发明人： Sandip Shah , Sandeep Bajaj
IPC分类号： G06F17/00 , G06F21/00 , G06N5/00
CPC分类号： H04L63/0263 , G06N5/025
摘要： Systems and methods consistent with the present invention provide better scheme for updating access control list (ACL) rule entries in a ternary content addressable memory (TCAM). In a firewall, ACL rules are scanned for each packet arriving in a router or switch to determine if a match exists between the packet and any of the patterns. Depending on the pattern matched, the corresponding action may be either to accept or to deny the packet. These rules are stored in a TCAM, and new or updated rules may be added to the TCAM. Systems and methods consistent with the present invention determine whether the new or updated rule has a dependency conflict with existing rules in the TCAM. If not, the rule can be inserted anywhere in the TCAM. Accordingly, the TCAM associated with a firewall's ACL can be updated more quickly and efficiently.
摘要翻译：与本发明一致的系统和方法为更新三元内容可寻址存储器（TCAM）中的访问控制列表（ACL）规则条目提供了更好的方案。在防火墙中，对于到达路由器或交换机的每个数据包扫描ACL规则，以确定数据包与任何模式之间是否存在匹配。根据匹配的模式，相应的动作可能是接受或拒绝数据包。这些规则存储在TCAM中，新的或更新的规则可以添加到TCAM。与本发明一致的系统和方法确定新的或更新的规则是否具有与TCAM中现有规则的依赖冲突。如果没有，该规则可以插入TCAM的任何地方。因此，可以更快更有效地更新与防火墙ACL相关联的TCAM。

6. 发明授权

US09253123B1 Methods and apparatus for load balancing VLAN traffic 有权
标题翻译：负载平衡VLAN流量的方法和装置
公开(公告)号：US09253123B1
公开(公告)日：2016-02-02
申请号：US13627622
申请日：2012-09-26
申请人： Pranay Podge , James Murphy , Abhijit Choudhury , Raghavendra Mallya , Sandeep Bajaj , Bharani Chadalavada , Rajagopalan Sivaramakrishnan
发明人： Pranay Podge , James Murphy , Abhijit Choudhury , Raghavendra Mallya , Sandeep Bajaj , Bharani Chadalavada , Rajagopalan Sivaramakrishnan
IPC分类号： H04L12/26 , H04L12/939 , H04L12/931 , H04L12/721
CPC分类号： H04L47/125 , H04L12/4641 , H04L12/5691 , H04L45/02 , H04L45/66 , H04L49/354 , H04L49/552
摘要： In some embodiments, an apparatus includes a first core device configured to be disposed within a network. The network has a set of access nodes and a second core device. The first core device is configured to receive a signal designating the first core device as a master device for a virtual group identifier such that the second core device is designated as a back-up device for that virtual group identifier.
摘要翻译：在一些实施例中，装置包括配置成布置在网络内的第一核心设备。该网络具有一组接入节点和第二核心设备。第一核心设备被配置为接收指定第一核心设备作为虚拟组标识符的主设备的信号，使得第二核心设备被指定为该虚拟组标识符的备份设备。

7. 发明授权

US08503428B2 Customized classification of host bound traffic 有权
标题翻译：主机绑定流量的定制分类
公开(公告)号：US08503428B2
公开(公告)日：2013-08-06
申请号：US12726687
申请日：2010-03-18
申请人： Sandeep Bajaj , Murtuza Attarwala , Nitin Kumar , David Hahm
发明人： Sandeep Bajaj , Murtuza Attarwala , Nitin Kumar , David Hahm
IPC分类号： H04L12/28
CPC分类号： H04L49/25 , H04L49/1515 , H04L63/0227
摘要： A network device component receives traffic, determines whether the traffic is host bound traffic or non-host bound traffic, and classifies, based on a user-defined classification scheme, the traffic when the traffic is host bound traffic. The network device component also assigns, based on the classification, the classified host bound traffic to a queue associated with network device component for forwarding the classified host bound traffic to a host component of the network device.
摘要翻译：网络设备组件接收流量，确定流量是主机绑定流量还是非主机绑定流量，并根据用户定义的分类方案对流量进行主机绑定流量分类。网络设备组件还基于分类将分类的主机绑定业务分配给与网络设备组件相关联的队列，用于将分类的主机绑定业务转发到网络设备的主机组件。

8. 发明授权

US08806058B1 Packet forwarding path programming using a high-level description language 有权
标题翻译：使用高级描述语言的数据包转发路径编程
公开(公告)号：US08806058B1
公开(公告)日：2014-08-12
申请号：US13194571
申请日：2011-07-29
申请人： Scott Mackie , James Washburn , Nitin Kumar , Sandeep Bajaj
发明人： Scott Mackie , James Washburn , Nitin Kumar , Sandeep Bajaj
IPC分类号： G06F15/17 , H04L12/56 , H04L29/06 , H04L29/08
CPC分类号： H04L45/44 , H04L29/06 , H04L29/08072 , H04L45/00 , H04L45/56 , H04L45/60
摘要： In general, this disclosure describes a high-level forwarding path description language (FPDL) for describing internal forwarding paths within a network device. The FPDL enables developers to create a template that describes a section of an internal forwarding path within the forwarding plane of a network device. The FPDL provides syntactical elements for specifying the allocation of forwarding path structures as well as enabling the run-time construction of internal forwarding paths to interconnect the forwarding path structures in a manner specific to packet, packet flow, and/or interface properties, for example. In conjunction with late binding techniques, whereby the control plane of the network device provides arguments to template parameters that drive allocation by the packet forwarding engines of forwarding path structures specified by the FPDL, the techniques provide control plane processes a unified interface with which to manage the operation of the packet forwarding engines.
摘要翻译：通常，本公开描述了用于描述网络设备内的内部转发路径的高级转发路径描述语言（FPDL）。 FPDL使开发人员能够创建一个描述网络设备转发平面内部转发路径部分的模板。 FPDL提供用于指定转发路径结构的分配的语法元素，以及启用内部转发路径的运行时构造以特定于分组，分组流和/或接口属性的方式互连转发路径结构，例如。结合后期绑定技术，由此网络设备的控制平面为模型参数提供参数，以驱动分组转发引擎对由FPDL指定的转发路径结构的分配，这些技术为控制平面处理提供统一的接口，用于管理分组转发引擎的操作。

9. 发明授权

US5053008A Intracardiac catheter 失效
标题翻译：心内导管
公开(公告)号：US5053008A
公开(公告)日：1991-10-01
申请号：US616899
申请日：1990-11-21
申请人： Sandeep Bajaj
发明人： Sandeep Bajaj
IPC分类号： A61B17/00 , A61F2/01
CPC分类号： A61F2/013 , A61F2/01 , A61B17/0057 , A61F2002/011 , A61F2002/018 , A61F2230/0006 , A61F2230/0067 , A61M2025/1081
摘要： A multisheathed catheter (12) includes an umbrella (18) positioned on its exterior sheath (16). In use, the umbrella (18) should be positioned within the pulmonary artery. The umbrella (18) has a meshwork (22) through which blood and plasma pass freely therethrough, but which is capable of catching emboli and other foriegn matter before they travel to the lungs. Detection equipment, including a two-dimensional ultrasound probe (44), differential sensors (54 and 56), and chemical sensors (44), are positioned to detect when an embolus has been caught in the umbrella (18). A conduit (64) transports lysing agents (66) such as TPA or heparin to the trapped embolus. In addition, the umbrella (18) can be closed on a trapped embolus using cords (34) and the embolus can be broken apart using ultrasonic probes (70) or can be removed by suction after it is drawn inside the lumen of the catheter (12).
摘要翻译：多吸入导管（12）包括位于其外护套（16）上的伞（18）。在使用中，伞（18）应位于肺动脉内。伞（18）具有网状物（22），血液和血浆通过其自由通过，但是能够在其行进到肺之前捕获栓子和其他物质。定位检测设备，包括二维超声波探头（44），差分传感器（54和56）以及化学传感器（44），以便检测栓塞何时已经在伞（18）中被捕获。导管（64）将裂解剂（66）如TPA或肝素输送到被捕获的栓子。此外，伞（18）可以使用绳索（34）在被捕获的栓塞上关闭，并且可以使用超声波探头（70）将栓子分开，或者可以在将其拉入导管内腔之后通过抽吸将其去除 12）。

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