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    Metrics and forwarding actions on logical switch partitions in a distributed network switch
    1.
    发明授权
    Metrics and forwarding actions on logical switch partitions in a distributed network switch 有权
    分布式网络交换机中逻辑交换机分区的度量和转发动作

    公开(公告)号：US09282056B2

    公开(公告)日：2016-03-08

    申请号：US13801137

    申请日：2013-03-13

    申请人： International Business Machines Corporation

    发明人： Josep Cors ,  Ward R. Nelson ,  Daniel E. Pradilla ,  Chandramouli Radhakrishnan

    IPC分类号： H04L12/927 ,  H04L12/721 ,  H04L12/931 ,  H04L29/06

    CPC分类号： H04L47/80 ,  H04L45/44 ,  H04L49/501 ,  H04L49/70 ,  H04L63/101

    摘要： Techniques are provided for providing access control lists in a distributed network switch. The distributed network switch made of switch units is divided into logical switch partitions, or logical networks. Physical ports of the switch units are partitioned into logical ports, where each logical port is associated with a logical switch partition. A control point of the distributed network switch manages and assigns a service tag (S-Tag) used to identify which logical port ingress and egress frames are associated with. To generate metrics and other forwarding actions for a given logical switch partition, the control point sets up access control list (ACLs) targeting the logical port associated with the S-Tags associated with the given logical switch partition.

    摘要翻译： 提供了在分布式网络交换机中提供访问控制列表的技术。 由交换机单元组成的分布式网络交换机分为逻辑交换机分区或逻辑网络。 交换机单元的物理端口被划分为逻辑端口，其中每个逻辑端口与逻辑交换机分区相关联。 分布式网络交换机的控制点管理和分配用于识别哪个逻辑端口入口和出口帧相关联的服务标签（S-Tag）。 为了为给定的逻辑交换机分区生成指标和其他转发操作，控制点设置针对与给定逻辑交换机分区相关联的S标签相关联的逻辑端口的访问控制列表（ACL）。

    Port membership table partitioning
    3.
    发明授权
    Port membership table partitioning 有权
    端口成员关系表分区

    公开(公告)号：US09215128B2

    公开(公告)日：2015-12-15

    申请号：US13829228

    申请日：2013-03-14

    申请人： International Business Machines Corporation

    发明人： Josep Cors ,  Ward R. Nelson ,  Jun C. Yin

    IPC分类号： H04L12/28 ,  H04L12/24 ,  H04L12/18 ,  H04L12/46 ,  H04L29/06

    CPC分类号： H04L41/00 ,  H04L12/18 ,  H04L12/1881 ,  H04L12/4641 ,  H04L41/0893 ,  H04L63/00 ,  H04L63/0263 ,  H04L63/101

    摘要： A firmware model is provided for a shared port membership table that is partitioned for different needs of a distributed network switch, such as broadcast groups, multicast groups, ACL rules, and other port membership groupings. The shared port membership table enables a control point to set the size of each of the types of port membership information based on their usage or expected usage. By shrinking one partition, the control point is able to use the port group entries for a different partition of port group information.

    摘要翻译： 根据分布式网络交换机的不同需求（如广播组，组播组，ACL规则和其他端口成员资格），为共享端口成员资格表提供固件模型。 共享端口成员资格表使得控制点可以根据其使用情况或预期使用情况来设置每种类型的端口成员资格信息的大小。 通过缩小一个分区，控制点能够使用端口组条目来为端口组信息的不同分区。

    Data link layer switch frame forwarding analysis
    7.
    发明授权
    Data link layer switch frame forwarding analysis 有权
    数据链路层交换机转发分析

    公开(公告)号：US09455895B2

    公开(公告)日：2016-09-27

    申请号：US13743495

    申请日：2013-01-17

    申请人： International Business Machines Corporation

    发明人： David A. Christenson ,  Josep Cors ,  Ward R. Nelson

    IPC分类号： H04L12/26 ,  H04L12/939

    CPC分类号： H04L43/10 ,  H04L43/026 ,  H04L43/50 ,  H04L49/55

    摘要： Systems and methods to analyze layer-2 data frame switch forwarding are provided. A first switch may be coupled to a second switch. The first switch may maintain state information mirroring the state of the second switch. A sequence number may be appended to a data frame that is received at the first switch. Forwarding compliance of the second switch may be determined by analyzing a runtime attribute of the first switch.

    摘要翻译： 提供了分析二层数据帧交换机转发的系统和方法。 第一开关可以耦合到第二开关。 第一交换机可以维持反映第二交换机的状态的状态信息。 序列号可以附加到在第一交换机处接收到的数据帧。 可以通过分析第一交换机的运行时属性来确定第二交换机的转发符合性。

    DATA LINK LAYER SWITCH FRAME FORWARDING ANALYSIS
    8.
    发明申请
    DATA LINK LAYER SWITCH FRAME FORWARDING ANALYSIS 有权
    数据链路层开关框架前向分析

    公开(公告)号：US20140198668A1

    公开(公告)日：2014-07-17

    申请号：US13743495

    申请日：2013-01-17

    申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION

    发明人： David A. Christenson ,  Josep Cors ,  Ward R. Nelson

    IPC分类号： H04L12/26

    CPC分类号： H04L43/10 ,  H04L43/026 ,  H04L43/50 ,  H04L49/55

    摘要： Systems and methods to analyze layer-2 data frame switch forwarding are provided. A first switch may be coupled to a second switch. The first switch may maintain state information mirroring the state of the second switch. A sequence number may be appended to a data frame that is received at the first switch. Forwarding compliance of the second switch may be determined by analyzing a runtime attribute of the first switch.

    摘要翻译： 提供了分析二层数据帧交换机转发的系统和方法。 第一开关可以耦合到第二开关。 第一交换机可以维持反映第二交换机的状态的状态信息。 序列号可以附加到在第一交换机处接收到的数据帧。 可以通过分析第一交换机的运行时属性来确定第二交换机的转发顺从性。

    SYSTEM GUIDED SURROGATING CONTROL IN BROADCAST AND MULTICAST
    9.
    发明申请
    SYSTEM GUIDED SURROGATING CONTROL IN BROADCAST AND MULTICAST 有权

    公开(公告)号：US20140269742A1

    公开(公告)日：2014-09-18

    申请号：US13804074

    申请日：2013-03-14

    申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION

    发明人： David A. Christenson ,  Josep Cors ,  Ward R. Nelson ,  Jun C. Yin

    IPC分类号： H04L12/947

    CPC分类号： H04L41/0823 ,  H04L12/18 ,  H04L43/065 ,  H04L49/20 ,  H04L49/25

    摘要： Method, computer program product, and system to assist in distribution of packets between a plurality of switch elements in a distributed switch, by monitoring an attribute of each of the plurality of switch elements including a first switch element and a first surrogate switch element, the first surrogate switch element in a first level of a hierarchy and configured using a default hierarchy configuration, the default hierarchy configuration forwarding a data frame to at least one of: a destination switch element of the data frame, and a second surrogate switch element, the second surrogate switch element in a second hierarchy level; computing a score, based on the monitored attribute, for each of the switch elements; and upon determining the score of the first switch element is greater than the score of the first surrogate switch element, designating the first switch element as the first surrogate switch element.

    SYSTEM GUIDED SURROGATING CONTROL IN BROADCAST AND MULTICAST
    10.
    发明申请
    SYSTEM GUIDED SURROGATING CONTROL IN BROADCAST AND MULTICAST 有权
    系统引导在广播和多媒体中的控制

    公开(公告)号：US20140269685A1

    公开(公告)日：2014-09-18

    申请号：US13834322

    申请日：2013-03-15

    申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION

    发明人： David A. Christenson ,  Josep Cors ,  Ward R. Nelson ,  Jun C. Yin

    IPC分类号： H04L12/947

    CPC分类号： H04L41/0823 ,  H04L12/18 ,  H04L43/065 ,  H04L49/20 ,  H04L49/25

    摘要： Method, computer program product, and system to assist in distribution of packets between a plurality of switch elements in a distributed switch, by monitoring an attribute of each of the plurality of switch elements including a first switch element and a first surrogate switch element, the first surrogate switch element in a first level of a hierarchy and configured using a default hierarchy configuration, the default hierarchy configuration forwarding a data frame to at least one of: a destination switch element of the data frame, and a second surrogate switch element, the second surrogate switch element in a second hierarchy level; computing a score, based on the monitored attribute, for each of the switch elements; and upon determining the score of the first switch element is greater than the score of the first surrogate switch element, designating the first switch element as the first surrogate switch element.

    摘要翻译： 方法，计算机程序产品和系统，用于通过监视包括第一开关元件和第一替代开关元件的多个开关元件中的每一个的属性来辅助在分布式交换机中的多个开关元件之间分配分组， 第一替代开关元件在层级的第一级中并且使用默认层次结构配置来配置，默认层次结构配置将数据帧转发到以下至少一个：数据帧的目的地交换元件和第二代理开关元件， 第二代理开关元件在第二层级; 对于每个开关元件，基于所监视的属性计算分数; 并且在确定第一开关元件的分数大于第一代理开关元件的分数时，指定第一开关元件作为第一替代开关元件。