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1. 发明授权

US08949413B2 Filter selection and resuse 有权
标题翻译：过滤器选择和重新使用
公开(公告)号：US08949413B2
公开(公告)日：2015-02-03
申请号：US13174216
申请日：2011-06-30
申请人： Balamurugan Ramaraj , Gopi Krishna , Ananda Sathyanarayana , Apurva Mehta , Krishna Sankaran , Murtuza Attarwala
发明人： Balamurugan Ramaraj , Gopi Krishna , Ananda Sathyanarayana , Apurva Mehta , Krishna Sankaran , Murtuza Attarwala
IPC分类号： G06F15/173 , H04L29/06
CPC分类号： H04L63/0263 , H04L63/102
摘要： In general, techniques are described for selectively applying and reusing filters stored in a router. In one example, a method includes receiving a network access request from a first user. The method also includes selecting a candidate rule group associated with the packet flow, wherein the candidate rule group comprises one or more currently deployed rules of an existing rule group on the computing device that are currently installed within a forwarding plane and are being applied by the forwarding plane to network traffic associated with a second user. The method also includes installing a new rule group comprising the one or more currently deployed rules of the existing rule group and one or more new rules associated with the first user and not currently installed within a forwarding plane. The method also includes applying each rule of the new rule group to network traffic associated with the first user.
摘要翻译：通常，描述了用于选择性地应用和重用存储在路由器中的过滤器的技术。在一个示例中，一种方法包括从第一用户接收网络访问请求。所述方法还包括选择与所述分组流相关联的候选规则组，其中所述候选规则组包括所述计算设备上当前安装在转发平面内并由所述计算设备应用的一个或多个当前部署的规则组转发平面到与第二用户相关联的网络流量。该方法还包括安装新规则组，其包括现有规则组的一个或多个当前部署的规则以及与第一用户相关联并且当前未安装在转发平面内的一个或多个新规则。该方法还包括将新规则组的每个规则应用于与第一用户相关联的网络流量。

2. 发明申请

US20130007257A1 FILTER SELECTION AND RESUSE 有权
标题翻译：过滤器选择和排除
公开(公告)号：US20130007257A1
公开(公告)日：2013-01-03
申请号：US13174216
申请日：2011-06-30
申请人： Balamurugan Ramaraj , Gopi Krishna , Ananda Sathyanarayana , Apurva Mehta , Krishna Sankaran , Murtuza Attarwala
发明人： Balamurugan Ramaraj , Gopi Krishna , Ananda Sathyanarayana , Apurva Mehta , Krishna Sankaran , Murtuza Attarwala
IPC分类号： G06F15/173
CPC分类号： H04L63/0263 , H04L63/102
摘要： In general, techniques are described for selectively applying and reusing filters stored in a router. In one example, a method includes receiving a network access request from a first user. The method also includes selecting a candidate rule group associated with the packet flow, wherein the candidate rule group comprises one or more currently deployed rules of an existing rule group on the computing device that are currently installed within a forwarding plane and are being applied by the forwarding plane to network traffic associated with a second user. The method also includes installing a new rule group comprising the one or more currently deployed rules of the existing rule group and one or more new rules associated with the first user and not currently installed within a forwarding plane. The method also includes applying each rule of the new rule group to network traffic associated with the first user.
摘要翻译：通常，描述了用于选择性地应用和重用存储在路由器中的过滤器的技术。在一个示例中，一种方法包括从第一用户接收网络访问请求。所述方法还包括选择与所述分组流相关联的候选规则组，其中所述候选规则组包括所述计算设备上当前安装在转发平面内并由所述计算设备应用的一个或多个当前部署的规则组转发平面到与第二用户相关联的网络流量。该方法还包括安装新规则组，其包括现有规则组的一个或多个当前部署的规则以及与第一用户相关联并且当前未安装在转发平面内的一个或多个新规则。该方法还包括将新规则组的每个规则应用于与第一用户相关联的网络流量。

3. 发明授权

US08576841B2 Hybrid port range encoding 有权
标题翻译：混合端口范围编码
公开(公告)号：US08576841B2
公开(公告)日：2013-11-05
申请号：US13174437
申请日：2011-06-30
申请人： Balamurugan Ramaraj , Gopi Krishna , Ananda Sathyanarayana , Apurva Mehta , Murtuza Attarwala
发明人： Balamurugan Ramaraj , Gopi Krishna , Ananda Sathyanarayana , Apurva Mehta , Murtuza Attarwala
IPC分类号： H04L29/02
CPC分类号： H04L63/0236 , H04L45/60 , H04L45/7457
摘要： In general, techniques are described for encoding port ranges. In one example, a method includes generating an encoded value that represents a specified port range including a first element storing an identifier that identifies a frequently occurring port range stored in an associative data structure of most frequently occurring port ranges, a second element storing an index that represents a dynamically-learned port range specifying at least a part of the specified port range, the dynamically-learned port range represented in a tree-structure of dynamically-learned port ranges and identified by the index, and applying, by a forwarding plane of the computing device, one or more filters associated with the encoded value to a packet that specifies a port included in the specified port range.
摘要翻译：一般来说，描述用于编码端口范围的技术。在一个示例中，一种方法包括生成代表指定端口范围的编码值，该编码值包括存储识别存储在最频繁出现的端口范围的关联数据结构中的频繁出现的端口范围的标识符的第一元素，存储索引的第二元素这表示一个动态学习的端口范围，指定指定端口范围的至少一部分，动态学习的端口范围，以动态学习的端口范围的树结构表示，并由索引标识，并由转发平面计算设备的一个或多个与编码值相关联的过滤器与指定包括在指定端口范围中的端口的分组相关联。

4. 发明申请

US20130003727A1 HYBRID PORT RANGE ENCODING 有权
标题翻译：混合端口范围编码
公开(公告)号：US20130003727A1
公开(公告)日：2013-01-03
申请号：US13174437
申请日：2011-06-30
申请人： Balamurugan Ramaraj , Gopi Krishna , Ananda Sathyanarayana , Apurva Mehta , Murtuza Attarwala
发明人： Balamurugan Ramaraj , Gopi Krishna , Ananda Sathyanarayana , Apurva Mehta , Murtuza Attarwala
IPC分类号： H04L29/02
CPC分类号： H04L63/0236 , H04L45/60 , H04L45/7457
摘要： In general, techniques are described for encoding port ranges. In one example, a method includes generating an encoded value that represents a specified port range including a first element storing an identifier that identifies a frequently occurring port range stored in an associative data structure of most frequently occurring port ranges, a second element storing an index that represents a dynamically-learned port range specifying at least a part of the specified port range, the dynamically-learned port range represented in a tree-structure of dynamically-learned port ranges and identified by the index, and applying, by a forwarding plane of the computing device, one or more filters associated with the encoded value to a packet that specifies a port included in the specified port range.
摘要翻译：一般来说，描述用于编码端口范围的技术。在一个示例中，一种方法包括生成代表指定端口范围的编码值，该编码值包括存储识别存储在最频繁出现的端口范围的关联数据结构中的频繁出现的端口范围的标识符的第一元素，存储索引的第二元素这表示一个动态学习的端口范围，指定指定端口范围的至少一部分，动态学习的端口范围，以动态学习的端口范围的树结构表示，并由索引标识，并由转发平面计算设备的一个或多个与编码值相关联的过滤器与指定包括在指定端口范围中的端口的分组相关联。

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