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    Switch for implementing read only zones in a fibre channel fabric
    7.
    发明申请
    Switch for implementing read only zones in a fibre channel fabric 有权
    切换为在光纤通道结构中实现只读区域

    公开(公告)号：US20050041657A1

    公开(公告)日：2005-02-24

    申请号：US10637732

    申请日：2003-08-07

    申请人： Subrata Banerjee ,  Badri Ramaswamy ,  Dinesh Dutt

    发明人： Subrata Banerjee ,  Badri Ramaswamy ,  Dinesh Dutt

    IPC分类号： H04L12/56 ,  H04L12/28

    CPC分类号： H04L49/356 ,  H04L49/254 ,  H04L49/357 ,  H04L67/1097

    摘要： The Switch includes a port configured to receive a command frame when installed in a switching Fabric. The frame identifies a source device and a destination device in the Switching Fabric, a command, and a read/write flag which indicates if the identified source intends to exercise read-only or write access to the destination device. The Switch also includes a processor coupled to the port. The processor is configured to trap the frame and prevent it from reaching the defined destination device in the switching Fabric if both the source and destination devices are in a read-only zone and the flag indicates that the source intends to write to the destination device. In this manner, read-only zones can be implemented in the Switching Fabric.

    摘要翻译： 交换机包括一个配置为在安装在交换矩阵中时接收命令帧的端口。 帧标识切换结构中的源设备和目标设备，命令和读/写标志，其指示所识别的源是否旨在对目标设备执行只读或写访问。 交换机还包括耦合到端口的处理器。 如果源设备和目标设备都在只读区域，并且该标志指示源意图写入目标设备，则处理器被配置为捕获帧并阻止它到达交换结构中的定义的目的地设备。 以这种方式，可以在交换结构中实现只读区域。

    Dynamic inter-VSAN topology discovery
    8.
    发明授权
    Dynamic inter-VSAN topology discovery 有权
    动态VSAN拓扑发现

    公开(公告)号：US07890654B1

    公开(公告)日：2011-02-15

    申请号：US11303239

    申请日：2005-12-15

    申请人： Raja Rao Tadimeti ,  Subrata Banerjee ,  Ankur Jain ,  Vinay Gaonkar

    发明人： Raja Rao Tadimeti ,  Subrata Banerjee ,  Ankur Jain ,  Vinay Gaonkar

    IPC分类号： G06F15/173 ,  G06F15/177 ,  G06F15/16 ,  H04L12/28

    CPC分类号： H04L61/2535 ,  H04L29/12424 ,  H04L29/12886 ,  H04L61/6045 ,  H04L67/1097

    摘要： Disclosed are apparatus and methods for discovering topology in a storage area network having a plurality of VSANs in a network fabric is disclosed. The VSANs include a first VSAN having a plurality of network devices. The method includes the following operations: (a) defining a first one of the network devices of the first VSAN as a Topology Update (TU) Owner, wherein the other network devices of the first VSAN are not defined as TU Owners, (b) at the first network device, receiving data that indicates a topology change in the first VSAN, (c) at the first network device, generating or updating one or more TU database(s) for the plurality of VSANs of the network fabric based on the received topology change, and (d) the first network device causing the topology change to be propagated in the form of a Topology Update across the network fabric to network devices in the plurality of VSANs of such network fabric.

    摘要翻译： 公开了一种用于在具有网络结构中的多个VSAN的存储区域网络中发现拓扑的装置和方法。 VSAN包括具有多个网络设备的第一VSAN。 该方法包括以下操作：（a）将第一VSAN的网络设备中的第一个定义为拓扑更新（TU）所有者，其中第一VSAN的其他网络设备不被定义为TU所有者，（b） 在所述第一网络设备处，接收指示所述第一VSAN中的拓扑变化的数据，（c）在所述第一网络设备处，基于所述第一网络设备生成或更新所述网络结构的所述多个VSAN的一个或多个TU数据库， 接收的拓扑变化，以及（d）导致拓扑变化的第一网络设备以拓扑更新的形式通过网络结构传播到这种网络结构的多个VSAN中的网络设备。

    Inter-VSAN routing with NAT
    9.
    发明授权
    Inter-VSAN routing with NAT 有权
    具有NAT的VSAN间路由

    公开(公告)号：US07644179B1

    公开(公告)日：2010-01-05

    申请号：US11292684

    申请日：2005-12-01

    申请人： Ankur Jain ,  Thomas J. Edsall ,  Subrata Banerjee ,  Vinay Gaonkar ,  Madhava Rao Cheethirala ,  Badrinarayanan Ramaswamy

    发明人： Ankur Jain ,  Thomas J. Edsall ,  Subrata Banerjee ,  Vinay Gaonkar ,  Madhava Rao Cheethirala ,  Badrinarayanan Ramaswamy

    IPC分类号： G06F15/173 ,  G06F15/177 ,  G06F15/16 ,  H04L12/28

    CPC分类号： H04L61/2535 ,  H04L29/12424 ,  H04L29/12886 ,  H04L61/6045 ,  H04L67/1097

    摘要： Disclosed are apparatus and methods for facilitating communication between two devices from two different VSANs by propagating each device's presence from a first VSAN to the other device's different VSAN using a network address translation (NAT) mechanism. For instance, a first device, such as a host H1, from VSAN_A is allowed to access data from a second device, such as disk D1, of VSAN_B by propagating D1's presence into VSAN_A and H1's presence into VSAN_B. This awareness is accomplished by propagating an identifier for each device into the edge VSAN of the other device, as well as into any transit VSAN. So as to not duplicate identifiers in any one of the VSANs, a device's presence is propagated into a particular VSAN by assigning an unused domain for use by such device in the particular VSAN.

    摘要翻译： 公开了通过使用网络地址转换（NAT）机制将每个设备的存在从第一VSAN传播到另一设备的不同VSAN来促进来自两个不同VSAN的两个设备之间的通信的装置和方法。 例如，允许来自VSAN_A的第一设备，例如主机H1，通过将D1的存在传播到VSAN_A和H1存在于VSAN_B中来访问来自VSAN_B的第二设备（例如盘D1）的数据。 该感知通过将每个设备的标识符传播到另一设备的边缘VSAN以及任何传输VSAN来实现。 为了不在任何一个VSAN中重复标识符，设备的存在通过分配一个未使用的域来传播到特定的VSAN中，供特定VSAN中的这种设备使用。