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1. 发明申请

WO2013093858A1 FORWARDING ELEMENT FOR FLEXIBLE AND EXTENSIBLE FLOW PROCESSING IN SOFTWARE-DEFINED NETWORKS 审中-公开
标题翻译：软件定义网络中的灵活和可扩展流程处理元素
公开(公告)号：WO2013093858A1
公开(公告)日：2013-06-27
申请号：PCT/IB2012/057565
申请日：2012-12-20
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： BELIVEAU, Ludovic , DYKE, Eric , MISHRA, Ramesh , PATNEY, Ritun
IPC分类号： H04L29/06 , H04L12/859
CPC分类号： H04L45/745 , H04L47/2441 , H04L67/327 , H04L69/22
摘要： A network device acting as a forwarding element within a software-defined network receives a representation of configurable flow table definitions and configurable logic for selecting between flow tables. The network device creates a flow table based on each of the configurable flow table definitions and installs the configurable logic for selecting between flow tables. The network device receives data to populate configurable key columns and action columns of the flow tables and populates the flow tables using that data. The network device then selects from forwarding decisions for packets according to the configurable logic for selecting between flow tables, the flow tables, and each packet's values in relevant header fields required by the configurable logic.
摘要翻译：作为软件定义网络中的转发元素的网络设备接收可配置流表定义和可配置逻辑的表示，用于在流表之间进行选择。网络设备基于每个可配置流表定义创建流表，并安装用于在流表之间进行选择的可配置逻辑。网络设备接收数据以填充流表的可配置键列和操作列，并使用该数据填充流表。网络设备然后根据用于在流表，流表和可配置逻辑所需的相关报头字段中的每个分组的值之间的可配置逻辑来选择分组的转发决定。

2. 发明申请

WO2013093860A1 SYSTEM FOR FLEXIBLE AND EXTENSIBLE FLOW PROCESSING IN SOFTWARE-DEFINED NETWORKS 审中-公开
标题翻译：软件定义网络中的灵活和可扩展流程处理系统
公开(公告)号：WO2013093860A1
公开(公告)日：2013-06-27
申请号：PCT/IB2012/057567
申请日：2012-12-20
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： BELIVEAU, Ludovic , DYKE, Eric , MISHRA, Ramesh , PATNEY, Ritun
IPC分类号： H04L29/06 , H04L12/859
CPC分类号： H04L47/2441 , H04L67/327 , H04L69/22
摘要： A system for flexible and extensible flow processing includes a first network device to act as a controller within a software-defined network. The first network device receives a processing definition, translates the processing definition to create a parser configuration package and transmit the parser configuration package to a plurality of forwarding elements, and transmit data to populate flow tables within the plurality of forwarding elements. The system also includes a second and third network device, each acting as a flow switching enabled forwarding element and able to receive a parser configuration package from the first network device. The second network device compiles the parser configuration package into machine code, which is executed on a processor to perform packet processing. The third network device includes a co- processor to execute the parser configuration package to perform packet processing. The parser configuration package includes representations of header, table definition, and stack instructions.
摘要翻译：用于灵活和可扩展流程处理的系统包括用作软件定义网络内的控制器的第一网络设备。第一网络设备接收处理定义，翻译处理定义以创建解析器配置包，并将解析器配置包传送到多个转发元件，并且发送数据以填充多个转发元件内的流表。该系统还包括第二和第三网络设备，每个网络设备充当启用流切换的转发元件，并且能够从第一网络设备接收解析器配置包。第二网络设备将解析器配置包编译成在处理器上执行分组处理的机器码。第三网络设备包括协处理器，用于执行解析器配置包以执行分组处理。解析器配置包包括头，表定义和堆栈指令的表示。

3. 发明申请

WO2013093857A1 CONTROLLER FOR FLEXIBLE AND EXTENSIBLE FLOW PROCESSING IN SOFTWARE-DEFINED NETWORKS 审中-公开
标题翻译：用于软件定义网络中灵活和可扩展流程处理的控制器
公开(公告)号：WO2013093857A1
公开(公告)日：2013-06-27
申请号：PCT/IB2012/057564
申请日：2012-12-20
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： BELIVEAU, Ludovic , DYKE, Eric , MISHRA, Ramesh , PATNEY, Ritun
IPC分类号： H04L29/06 , H04L12/859
CPC分类号： H04L47/2441 , H04L67/327 , H04L69/22
摘要： A network device acts as a controller within a software-defined network. The network device receives a processing definition, which includes a representation of configurable definitions of protocols, configurable flow table definitions, and configurable logic for selecting between flow tables defined by the configurable flow table definitions. The network device translates the processing definition to create a parser configuration package, which is distributed to a plurality of forwarding elements. This distribution causes each forwarding element to create a flow table based on each of the configurable flow table definitions. The flow tables include one or more configurable key columns and a set of one or more action columns to store forwarding decisions. The network device transmits data to populate the configurable key columns and action columns of the flow tables created within each of the plurality of forwarding elements.
摘要翻译：网络设备充当软件定义网络内的控制器。网络设备接收处理定义，其包括协议的可配置定义，可配置流表定义以及用于在由可配置流表定义定义的流表之间进行选择的可配置逻辑的表示。网络设备翻译处理定义以创建解析器配置包，其被分发到多个转发元件。该分发导致每个转发元素基于每个可配置流表定义创建流表。流表包括一个或多个可配置的密钥列和一组一个或多个操作列以存储转发决定。网络设备发送数据以填充在多个转发元件的每一个内创建的流表的可配置键列和动作列。

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