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    System and method for processing and selectively modifying quality of service fields within a received packet
    1.
    发明公开
    System and method for processing and selectively modifying quality of service fields within a received packet 有权
    系统以及用于处理方法和服务领域的选择性地修改质量接收到的分组

    公开(公告)号：EP2562968A1

    公开(公告)日：2013-02-27

    申请号：EP12193606.6

    申请日：2005-03-29

    申请人： Extreme Networks, Inc.

    发明人： Parker, David, K. ,  Swenson, Erik, R. ,  Yip, Michael, M. ,  Young, Christopher, J.

    IPC分类号： H04L12/28 ,  H04J3/16

    CPC分类号： H04L69/16 ,  H04L47/10 ,  H04L47/2441 ,  H04L47/2458 ,  H04L47/31 ,  H04L49/90 ,  H04L69/161 ,  H04L69/22

    摘要： The application relates to a system 104 for processing and selectively modifying one or more quality of service fields within a received packet. The system is coupled, at an ingress 110, to one or more switch-side devices 116, and at the egress 112, to one or more network-side devices 114.The packet comprises a multi-dimensional quality of service indicator. The multi-dimensional quality of service indicator for the packet comprises an ingress quality of service indicator, an egress quality of service indicator, and packet marking control information. A packet parser 130 is configured to parse the packet and provide context pointers to the start of one or more encapsulated layers of the packet. A packet modification engine 132 selectively modifies quality of service fields within packet fragments undergoing processing with one or more candidate quality of service indicators based on one or more of a VLAN mapping scheme, a Content Addressable Memory (CAM) based search, or a QoS mapping scheme. The system also comprises a fragment processor to assemble the packet fragments of the packet undergoing processing for egress from the system.

    摘要翻译： 本申请涉及用于处理和选择性地修改所接收的分组内的服务字段中的一个或多个质量的系统104。 该系统被耦合，以在入口110到一个或多个开关侧设备116，并且在出口112，向一个或多个网络侧装置114.The分组包括服务指示符的多维质量。 服务指示符的该分组的多维质量包括服务指示符的入口质量服务指示器的出口品质和数据包标记控制信息。 分组分析器130被配置为解析所述分组，并提供上下文指针到经封装的分组的一个或多个层的开始。 甲包修改引擎132选择性地修改被加工以基于一个或多个VLAN映射方案，内容可寻址存储器（CAM）的基于搜索的服务指标的一个或多个候选质量或QoS映射分组分段内服务领域的质量 方案。 因此，该系统包括一个片段处理器来组装所述分组进行处理的分组分段为从系统中排出。

    Method of providing virtual router functionality
    2.
    发明公开
    Method of providing virtual router functionality 有权
    Verfahren zum bereitstellen derfunktionalitäteines virtuellen路由器

    公开(公告)号：EP2375647A1

    公开(公告)日：2011-10-12

    申请号：EP11162449.0

    申请日：2006-12-19

    申请人： Extreme Networks, Inc.

    发明人： Parker, David, K. ,  Gentry, Denton

    IPC分类号： H04L12/46 ,  H04L12/56

    CPC分类号： H04L12/4641 ,  H04L45/00 ,  H04L49/205 ,  H04L49/25 ,  H04L49/354 ,  H04L49/70

    摘要： A method of presenting different virtual routers to different end users, classes of service, or packets is provided. An incoming packet is received having a VLAN field and at least one additional field. A key is formed from the VLAN field and at least one other packet field, and mapped into a virtual router identifier (VRID) using an indirection mapping process. The VRID identifies a particular virtual router configuration from a plurality of possible virtual router configurations. A networking device is configured to have the particular virtual router configuration identified by the VRID, and the packet is then forwarded by the configured device.

    摘要翻译： 提供了向不同终端用户呈现不同虚拟路由器，服务类别或分组的方法。 接收到具有VLAN字段和至少一个附加字段的传入分组。 密钥由VLAN域和至少一个其他分组字段形成，并使用间接映射过程映射到虚拟路由器标识符（VRID）。 VRID从多个可能的虚拟路由器配置识别特定的虚拟路由器配置。 网络设备被配置为具有由VRID识别的特定虚拟路由器配置，并且分组然后由配置的设备转发。