SUB-AREA FCID ALLOCATION SCHEME
    13.
    发明申请
    SUB-AREA FCID ALLOCATION SCHEME 有权
    子域FCID分配方案

    公开(公告)号:US20110219183A1

    公开(公告)日:2011-09-08

    申请号:US12716955

    申请日:2010-03-03

    摘要: Certain embodiments of the present disclosure generally relate to allocating a sub-area of Fibre Channel addresses (FCIDs) to a device. A range of addresses may be assigned to the device using a mask address, where the most significant bits represent a mask and the least significant bits represent a sub-range of FCIDs available to be assigned to the device. Therefore, routing information may be stored efficiently in a Ternary Content Addressable Memory (TCAM) by storing a single entry in the TCAM for each sub-area of FCIDs allocated to a device, instead of storing an entry for each FCID. The single entry may indicate the mask address and the width of the mask.

    摘要翻译: 本公开的某些实施例一般涉及将光纤通道地址(FCID)的子区域分配给设备。 可以使用掩码地址向设备分配一系列地址,其中最高有效位表示掩码,最低有效位表示可用于分配给设备的FCID的子范围。 因此,通过为分配给设备的FCID的每个子区域存储TCAM中的单个条目而不是存储每个FCID的条目,可以将路由信息有效地存储在三元内容可寻址存储器(TCAM)中。 单个条目可以指示掩码地址和掩码的宽度。

    PARTIAL BUILD OF A FIBRE CHANNEL FABRIC
    14.
    发明申请
    PARTIAL BUILD OF A FIBRE CHANNEL FABRIC 有权
    纤维通道织物的部分建筑

    公开(公告)号:US20090067430A1

    公开(公告)日:2009-03-12

    申请号:US11851225

    申请日:2007-09-06

    IPC分类号: H04L12/28

    CPC分类号: H04L49/357 H04L49/65

    摘要: In one embodiment, a technique for performing partial build fabric operations when merging two or more Fibre Channel fabrics is provided. By maintaining a Principal Switch already assigned for one of two merging fabrics, a limited “partial build” may be performed for the other merging fabric. As a result, the time required for a Principal Switch selection phase may be greatly reduced.

    摘要翻译: 在一个实施例中,提供了当合并两个或多个光纤通道结构时执行部分构建结构操作的技术。 通过维护已经为两个合并结构之一分配的主交换机,可以对其他合并结构执行有限的“部分构建”。 因此,主开关选择阶段所需的时间可能会大大降低。

    Merging a stand-alone switch to a fibre channel network
    16.
    发明授权
    Merging a stand-alone switch to a fibre channel network 有权
    将独立交换机合并到光纤通道网络

    公开(公告)号:US08811227B2

    公开(公告)日:2014-08-19

    申请号:US13176940

    申请日:2011-07-06

    IPC分类号: H04L12/54 H04L12/56

    CPC分类号: H04L49/357 H04L49/65

    摘要: A Fiber Channel (FC) switch and related methods are provided for merging the FC switch with an existing FC network. During a merge process of a stand-alone switch with an FC network, a first Exchange Fabric Parameters (EFP) frame is sent from the stand-alone switch to an FC switch in the existing FC network. The first EFP frame has an empty domain identifier (ID) list. The stand-alone switch receives a second EFP frame from the FC switch. The second EFP frame contains a domain ID list of domain IDs already in use in the FC network. The stand-alone switch compares the domain ID list in the second EFP frame with a stored list of one or more domain IDs associated with the stand-alone switch to determine if there is a domain ID overlap or conflict. If no conflict is detected, the stand-alone switch merges with the existing network without initiating a Build Fabric phase or a Principal Switch Selection phase that could cause disruption of traffic in the network.

    摘要翻译: 提供了光纤通道(FC)交换机和相关方法,用于将FC交换机与现有的FC网络进行合并。 在具有FC网络的独立交换机的合并过程中,第一个Exchange Fabric参数(EFP)帧从独立交换机发送到现有FC网络中的FC交换机。 第一个EFP帧具有空域标识符(ID)列表。 独立交换机从FC交换机接收第二个EFP帧。 第二个EFP帧包含已在FC网络中使用的域ID的域ID列表。 独立交换机将第二EFP帧中的域ID列表与与独立交换机相关联的一个或多个域ID的存储列表进行比较,以确定是否存在域ID重叠或冲突。 如果没有检测到冲突,则独立交换机与现有网络合并,而不会发起可能导致网络流量中断的构建结构阶段或主交换机选择阶段。

    Hitless pruning protocol upgrade on single supervisor network devices
    17.
    发明授权
    Hitless pruning protocol upgrade on single supervisor network devices 有权
    在单管理网络设备上无缝修剪协议升级

    公开(公告)号:US09131014B2

    公开(公告)日:2015-09-08

    申请号:US13589333

    申请日:2012-08-20

    CPC分类号: H04L69/40 H04L12/4641

    摘要: In Service Software Upgrade (ISSU) permits administrators to upgrade the control plane software of a network device without any disruption to the traffic passing through the data plane of the network device. However, because the control plane is unavailable, the network device is unable to transmit periodic messages to re-subscribe to specific VLANs. This may result in a service outage in end devices that rely on the network device to receive data assigned to those VLANs. To prevent the network device from being unsubscribed from the VLANs while the control plane is unavailable, the network device may transmit a control plane message before starting ISSU. Once a neighboring network device receives the message, the neighboring device delays unsubscribing the network device until the control plane is again available. Thus, the network device may perform ISSU without the possibility of data traffic not reaching end devices.

    摘要翻译: 在服务软件升级(ISSU)中,管理员可以升级网络设备的控制平面软件,而不会对通过网络设备数据平面的流量造成任何干扰。 然而,由于控制平面不可用,网络设备无法传输周期性消息以重新订阅特定的VLAN。 这可能导致依赖于网络设备的终端设备中的服务中断来接收分配给这些VLAN的数据。 为了防止网络设备在控制平面不可用时从VLAN中取消订阅,网络设备可以在开始ISSU之前发送控制平面消息。 一旦相邻网络设备接收到消息,相邻设备会延迟取消订阅网络设备,直到控制平面再次可用。 因此,网络设备可以执行ISSU而没有数据业务没有到达终端设备的可能性。

    Persistent principal switch for fibre channel fabric
    18.
    发明授权
    Persistent principal switch for fibre channel fabric 有权
    光纤通道结构的持续主开关

    公开(公告)号:US08830871B2

    公开(公告)日:2014-09-09

    申请号:US13396831

    申请日:2012-02-15

    IPC分类号: H04L12/28

    CPC分类号: H04L49/357

    摘要: According to one aspect, a Fiber Channel (FC) switch that is currently serving as a Principal Switch among a plurality of FC switches in a FC Fabric sends an Exchange Fabric Parameters (EFP) frame having an empty domain identifier list to neighboring FC switches during a first portion a Principal Switch Selection phase. During a second portion of the Principal Switch Selection phase that is after the first portion, the first Fiber Channel switch sends to neighboring FC switches an EFP frame having a non-empty domain identifier list to indicate to the neighboring FC switches that the first FC switch is to remain serving as the Principal Switch in the FC Fabric.

    摘要翻译: 根据一个方面,在FC Fabric中的多个FC交换机之中当前用作主交换机的光纤通道(FC)交换机在相邻FC交换机之间发送具有空域标识符列表的交换结构参数(EFP)帧到相邻的FC交换机 主开关选择阶段的第一部分。 在第一部分之后的主交换机选择阶段的第二部分期间,第一光纤通道交换机向相邻FC交换机发送具有非空域标识符列表的EFP帧,以向相邻FC交换机指示第一FC交换机 将继续担任FC Fabric中的主交换机。

    HITLESS PRUNING PROTOCOL UPGRADE ON SINGLE SUPERVISOR NETWORK DEVICES
    19.
    发明申请
    HITLESS PRUNING PROTOCOL UPGRADE ON SINGLE SUPERVISOR NETWORK DEVICES 有权
    单一监控网络设备无效打包协议升级

    公开(公告)号:US20140050077A1

    公开(公告)日:2014-02-20

    申请号:US13589333

    申请日:2012-08-20

    IPC分类号: H04L29/14

    CPC分类号: H04L69/40 H04L12/4641

    摘要: In Service Software Upgrade (ISSU) permits administrators to upgrade the control plane software of a network device without any disruption to the traffic passing through the data plane of the network device. However, because the control plane is unavailable, the network device is unable to transmit periodic messages to re-subscribe to specific VLANs. This may result in a service outage in end devices that rely on the network device to receive data assigned to those VLANs. To prevent the network device from being unsubscribed from the VLANs while the control plane is unavailable, the network device may transmit a control plane message before starting ISSU. Once a neighboring network device receives the message, the neighboring device delays unsubscribing the network device until the control plane is again available. Thus, the network device may perform ISSU without the possibility of data traffic not reaching end devices.

    摘要翻译: 在服务软件升级(ISSU)中,管理员可以升级网络设备的控制平面软件,而不会对通过网络设备数据平面的流量造成任何干扰。 然而,由于控制平面不可用,网络设备无法传输周期性消息以重新订阅特定的VLAN。 这可能导致依赖于网络设备的终端设备中的服务中断来接收分配给这些VLAN的数据。 为了防止网络设备在控制平面不可用时从VLAN中取消订阅,网络设备可以在开始ISSU之前发送控制平面消息。 一旦相邻网络设备接收到消息,相邻设备会延迟取消订阅网络设备,直到控制平面再次可用。 因此,网络设备可以执行ISSU而没有数据业务没有到达终端设备的可能性。

    Persistent Principal Switch for Fibre Channel Fabric
    20.
    发明申请
    Persistent Principal Switch for Fibre Channel Fabric 有权
    光纤通道结构的持续主开关

    公开(公告)号:US20130208625A1

    公开(公告)日:2013-08-15

    申请号:US13396831

    申请日:2012-02-15

    IPC分类号: H04L12/28

    CPC分类号: H04L49/357

    摘要: According to one aspect, a Fibre Channel (FC) switch that is currently serving as a Principal Switch among a plurality of FC switches in a FC Fabric sends an Exchange Fabric Parameters (EFP) frame having an empty domain identifier list to neighboring FC switches during a first portion a Principal Switch Selection phase. During a second portion of the Principal Switch Selection phase that is after the first portion, the first Fibre Channel switch sends to neighboring FC switches an EFP frame having a non-empty domain identifier list to indicate to the neighboring FC switches that the first FC switch is to remain serving as the Principal Switch in the FC Fabric.

    摘要翻译: 根据一个方面,在FC Fabric中的多个FC交换机之中当前用作主交换机的光纤通道(FC)交换机在相邻FC交换机之间发送具有空域标识符列表的交换结构参数(EFP)帧到相邻的FC交换机 主开关选择阶段的第一部分。 在第一部分之后的主交换机选择阶段的第二部分期间,第一光纤通道交换机向相邻FC交换机发送具有非空域标识符列表的EFP帧,以向相邻FC交换机指示第一FC交换机 将继续担任FC Fabric中的主交换机。