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1. 发明申请

US20060002385A1 Switching method and apparatus for use in a communications network 有权
标题翻译：用于通信网络的切换方法和装置
公开(公告)号：US20060002385A1
公开(公告)日：2006-01-05
申请号：US10862970
申请日：2004-06-08
申请人： Bjorn Johnsen , Christopher Jackson , David Brean , Ola Torudbakken , Steinar Forsmo , Hans Rygh , Morten Schanke
发明人： Bjorn Johnsen , Christopher Jackson , David Brean , Ola Torudbakken , Steinar Forsmo , Hans Rygh , Morten Schanke
IPC分类号： H04L12/56
CPC分类号： H04L49/25 , H04L49/201 , H04L49/3009 , H04L49/358
摘要： One embodiment of the invention provides a method of operating a switch in a communications network. The method includes storing a set of routings for each port in the switch. When a packet is received at a port in the switch, the set of routings corresponding to the port at which the packet was received is accessed. A port from which to forward the packet from the switch is determined in accordance with the set of routings. The packet is then duly forwarded over the network from the port as determined by the routings.
摘要翻译：本发明的一个实施例提供了一种在通信网络中操作交换机的方法。该方法包括为交换机中的每个端口存储一组路由。当在交换机的端口接收到分组时，访问对应于接收分组的端口的路由集合。根据路由集合来确定从交换机转发分组的端口。然后通过路由确定的端口通过网络适当地转发分组。

2. 发明申请

US20050286511A1 Method and apparatus for source authentication in a communications network 有权
标题翻译：在通信网络中用于源认证的方法和装置
公开(公告)号：US20050286511A1
公开(公告)日：2005-12-29
申请号：US10863854
申请日：2004-06-08
申请人： Bjorn Johnsen , Christopher Jackson , David Brean , Ola Torudbakken
发明人： Bjorn Johnsen , Christopher Jackson , David Brean , Ola Torudbakken
IPC分类号： H04L12/28 , H04L12/56 , H04L29/06
CPC分类号： H04L63/126
摘要： One embodiment of the invention provides a method of handling an incoming packet at a node in a network. The method includes associating at least one source identifier with a link into the node. A packet is then received at the node over the link, and a source identifier is extracted from the received packet. The extracted source identifier is compared with the source identifier(s) associated with the link in order to authenticate the packet.
摘要翻译：本发明的一个实施例提供一种在网络中的节点处理输入分组的方法。该方法包括将至少一个源标识符与到该节点的链路相关联。然后通过链路在节点处接收分组，并且从接收到的分组中提取源标识符。将提取的源标识符与与链路相关联的源标识符进行比较，以便认证该分组。

3. 发明申请

US20050271074A1 Method and apparatus for verifying service level in a communications network 有权
标题翻译：用于验证通信网络中的服务水平的方法和装置
公开(公告)号：US20050271074A1
公开(公告)日：2005-12-08
申请号：US10863019
申请日：2004-06-08
申请人： Bjorn Johnsen , Christopher Jackson , David Brean , Ola Torudbakken
发明人： Bjorn Johnsen , Christopher Jackson , David Brean , Ola Torudbakken
IPC分类号： H04L12/54 , H04L12/56
CPC分类号： H04L49/205 , H04L49/25 , H04L49/253 , H04L49/358 , H04L2012/5687
摘要： One embodiment of the invention provides apparatus and a method for handling an incoming packet at a port in a network. The port belongs to one or more partitions, and at least one service level is associated with each of the partitions. When a packet is received at the port, a partition key and a service level are extracted from the packet. The extracted partition key is used to determine the partition to which the received packet belongs. The service level extracted from the packet is then compared against the service level(s) associated with the determined partition in order to authenticate the packet. In another embodiment, the service level is correlated against a destination identifier from the packet instead of the partition key.
摘要翻译：本发明的一个实施例提供了用于在网络中的端口处理输入分组的装置和方法。该端口属于一个或多个分区，并且至少一个服务级别与每个分区相关联。当在端口接收到分组时，从分组中提取分区密钥和服务级别。提取的分区密钥用于确定接收到的分组所属的分区。然后将从分组提取的服务级别与与确定的分区相关联的服务级别进行比较，以便认证分组。在另一个实施例中，服务级别与来自分组的目的地标识符而不是分区密钥相关。

4. 发明申请

US20050271073A1 Switch method and apparatus with cut-through routing for use in a communications network 有权
标题翻译：具有用于通信网络中的直通路由的交换方法和装置
公开(公告)号：US20050271073A1
公开(公告)日：2005-12-08
申请号：US10863016
申请日：2004-06-08
申请人： Bjorn Johnsen , Hans Rygh , Morten Schanke
发明人： Bjorn Johnsen , Hans Rygh , Morten Schanke
IPC分类号： H04L12/54 , H04L12/56
CPC分类号： H04L49/251 , H04L49/25 , H04L49/358 , H04L49/503 , H04L49/555
摘要： One embodiment of the invention provides a method of operating a switch with cut-through routing in a communications network. The method includes receiving a packet at a first port of the switch and determining a second port of the switch from which the received packet is to be forwarded out over the network. At least one authentication check is performed on the received packet. In general, the switch starts to forward the received packet from the second port prior to complete reception of the packet at the first port. However, this onward transmission is delayed until the authentication check has completed. This ensure that none of the received packet is forwarded from the second port if any authentication check fails.
摘要翻译：本发明的一个实施例提供了一种在通信网络中操作具有直通路由的交换机的方法。该方法包括在交换机的第一端口处接收分组，并且确定所述交换机的第二端口，通过该网络将接收到的分组从其转发出去。对接收到的数据包进行至少一次认证检查。通常，交换机在第一端口完成接收到分组之前开始从第二端口转发接收到的分组。然而，这种向前传输被延迟直到认证检查完成。这确保如果任何认证检查失败，则没有收到的数据包从第二个端口转发。

5. 发明申请

US20060242332A1 Distributed I/O bridging functionality 有权
标题翻译：分布式I / O桥接功能
公开(公告)号：US20060242332A1
公开(公告)日：2006-10-26
申请号：US11291361
申请日：2005-12-01
申请人： Bjorn Johnsen , Ola Torudbakken
发明人： Bjorn Johnsen , Ola Torudbakken
IPC分类号： G06F13/28
CPC分类号： G06F13/28
摘要： An infrastructure element can receive a first DMA request including a first address and the data, generate a meta request that comprises a resource key value and a doorbell address, and transmit the meta request via the infrastructure using the doorbell address. A remote DMA adapter can receive the meta request at the doorbell address and generate a remote direct memory access request message using the resource key, the first address and the data from the received meta request.
摘要翻译：基础设施元件可以接收包括第一地址和数据的第一DMA请求，生成包括资源密钥值和门铃地址的元请求，并且通过使用门铃地址的基础设施来发送元请求。远程DMA适配器可以在门铃地址处接收元请求，并使用资源密钥，第一地址和接收的元请求的数据生成远程直接存储器访问请求消息。

6. 发明申请

US20060242352A1 Device sharing 有权
公开(公告)号：US20060242352A1
公开(公告)日：2006-10-26
申请号：US11291314
申请日：2005-12-01
申请人： Ola Torudbakken , Bjorn Johnsen
发明人： Ola Torudbakken , Bjorn Johnsen
IPC分类号： G06F13/36
CPC分类号： G06F13/4022
摘要： An interconnect apparatus, for example a switch, supports PCI-Express. The apparatus has a first plurality of ports configurable as upstream ports, each connectable to a respective host, and at least one port configurable as a downstream port connectable to a device. The apparatus is operable to support sharing of the device resources between hosts.

7. 发明申请

US20060239287A1 Adding packet routing information without ECRC recalculation 有权
标题翻译：添加数据包路由信息，而不重新计算ECRC
公开(公告)号：US20060239287A1
公开(公告)日：2006-10-26
申请号：US11291359
申请日：2005-12-01
申请人： Bjorn Johnsen , Ola Torudbakken
发明人： Bjorn Johnsen , Ola Torudbakken
IPC分类号： H04L12/56
CPC分类号： H04L12/4625 , H04L45/566
摘要： Additional routing information is added to a transaction packet without recalculating an ECRC by inserting the additional routing information at predetermined bit positions in the transaction packet known to have predetermined bit values. The modified transaction packet can then be routed using the additional routing information. The predetermined bit values can subsequently be reinstated at the predetermined bit positions in the packet.
摘要翻译：通过在已知具有预定比特值的交易分组中的预定比特位置处插入附加路由信息，将附加路由信息添加到事务包中，而无需重新计算ECRC。然后可以使用附加路由信息路由修改的事务分组。随后可以在分组中的预定比特位置恢复预定的比特值。

8. 发明申请

US20060242353A1 Virtualized PCI switch 有权
标题翻译：虚拟化PCI交换机
公开(公告)号：US20060242353A1
公开(公告)日：2006-10-26
申请号：US11112023
申请日：2005-04-22
申请人： Ola Torudbakken , Bjorn Johnsen
发明人： Ola Torudbakken , Bjorn Johnsen
IPC分类号： G06F13/00
CPC分类号： G06F13/4022 , G06F2213/0026
摘要： A PCI-Express interconnect device is provided. The device comprises: first and second upstream ports; first and second downstream ports; and a management entity. The management entity is operable to logically partition the device such that the first upstream port is operable to communicate with the first downstream port and the second upstream port is operable to communicate with the second downstream port. In one example, the management device is additionally operable to migrate the first downstream port from a partition in which the first downstream port is operable to communicate with the first upstream port into a partition in which the first downstream port is operable to communicate with the second upstream port.
摘要翻译：提供了一个PCI-Express互连设备。该装置包括：第一和第二上游端口; 第一和第二下游港口; 和管理实体。管理实体可操作地逻辑地分割设备，使得第一上游端口可操作以与第一下游端口通信，并且第二上行端口可操作以与第二下游端口通信。在一个示例中，管理设备另外可操作地将第一下游端口从其中第一下游端口可操作以与第一上行端口进行通信的分区迁移到其中第一下游端口可操作以与第二下游端口通信的分区上游港口。

9. 发明申请

US20060242330A1 Proxy-based device sharing 有权
公开(公告)号：US20060242330A1
公开(公告)日：2006-10-26
申请号：US11291313
申请日：2005-12-01
申请人： Ola Torudbakken , Bjorn Johnsen
发明人： Ola Torudbakken , Bjorn Johnsen
IPC分类号： G06F3/00
CPC分类号： G06F13/4004 , Y02D10/14 , Y02D10/151
摘要： A method is provided for supporting device sharing between hosts via a bus fabric. A master host owns a device tree and provides IO services to at least one client host. The client host comprises generic device drivers and subscribes to IO services provided by the master host.

10. 发明申请

US20060253619A1 Virtualization for device sharing 有权
公开(公告)号：US20060253619A1
公开(公告)日：2006-11-09
申请号：US11291264
申请日：2005-12-01
申请人： Ola Torudbakken , Bjorn Johnsen
发明人： Ola Torudbakken , Bjorn Johnsen
IPC分类号： G06F13/00
CPC分类号： G06F13/4022
摘要： In an apparatus and method for providing device sharing, a first plurality of upstream ports are each connectable to a respective host and at least one downstream port is connectable to a device. A virtual port is defined that is associated a routing table to effect device virtualization by redirection of information packets received by the virtual port.

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