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1. 发明授权

US08320241B2 Fibre channel network employing registered state change notifications with enhanced payload 有权
标题翻译：光纤通道网络采用注册状态更改通知，增强了有效载荷
公开(公告)号：US08320241B2
公开(公告)日：2012-11-27
申请号：US10208375
申请日：2002-07-30
申请人： Xiaoheng Chen , Raymond C. Tsai , Richard L. Hammons , Lalit D. Pathak
发明人： Xiaoheng Chen , Raymond C. Tsai , Richard L. Hammons , Lalit D. Pathak
IPC分类号： H04J3/14 , H04L12/26 , G06F15/16 , G06F15/177 , G06F13/00
CPC分类号： H04L12/24 , H04L41/00 , H04L43/0817
摘要： A network of switches that employ Registered State Change Notifications (RSCNs) with enhanced payloads is disclosed. In one embodiment, the network comprises multiple switches coupled together, and multiple node devices each directly-coupled to at least one other switch. Each of the switches preferably provides RSCNs to other switches when a node device state change is detected. One or more of the RSCNs preferably includes a device entry having more than four properties associated with the node device undergoing the state change. The switches receiving the enhanced RSCNs preferably maintain caches of remote node device entries copied from the RSCN device entries. The device entries preferably include one or more of the following: Owner Identifier, Port Type, Port Identifier, Port Name, Node Name, Initial Process Associator, Node IP Address, Class of Service, FC-4 Types, Port IP Address, Fabric Port Name, and Hard Address. Traffic overhead may advantageously be reduced.
摘要翻译：公开了采用具有增强有效载荷的注册状态变更通知（RSCN）的交换机网络。在一个实施例中，网络包括耦合在一起的多个开关，以及每个直接耦合到至少一个其他开关的多个节点装置。当检测到节点设备状态改变时，每个交换机优选地向其他交换机提供RSCN。一个或多个RSCN优选地包括具有与经历状态改变的节点设备相关联的多于四个属性的设备条目。接收增强型RSCN的交换机优选地保持从RSCN设备条目复制的远程节点设备条目的高速缓存。设备条目优选地包括以下中的一个或多个：所有者标识符，端口类型，端口标识符，端口名称，节点名称，初始过程关联器，节点IP地址，服务等级，FC-4类型，端口IP地址，结构端口名称和硬地址。可以有利地减少业务开销。

2. 发明申请

US20090219827A1 REGISTERED STATE CHANGE NOTIFICATION FOR A FIBRE CHANNEL NETWORK 有权
标题翻译：光纤通道网络注册状态更改通知
公开(公告)号：US20090219827A1
公开(公告)日：2009-09-03
申请号：US12340228
申请日：2008-12-19
申请人： Xiaoheng "Cora" CHEN , Raymond S. Tsai , Richard L. Hammons , Lalit D. Pathak , Sundar Poudyal , Daotang YANG
发明人： Xiaoheng "Cora" CHEN , Raymond S. Tsai , Richard L. Hammons , Lalit D. Pathak , Sundar Poudyal , Daotang YANG
IPC分类号： H04L12/26
CPC分类号： H04L49/552 , H04L49/357 , H04Q2213/1301 , H04Q2213/13337
摘要： Disclosed herein are various aspects of a Fibre Channel (Fibre Channel) fabric having switches that employ Registered State Change Notifications (RSCNs) with enhanced payloads. Two types of RSCN message formats are provided, both including status information about the affected device(s). In one embodiment, a RSCN message format for inter-switch communication provides various information about the affected devices according to one of a plurality of predetermined formats. In another embodiment, a node device RSCN message format provides information about a port state, the identification of the affected port, along with the port and node world wide names and the FC-4 types supported by the node.
摘要翻译：这里公开了具有采用具有增强的有效载荷的注册状态改变通知（RSCN））的交换机的光纤通道（光纤通道）结构的各个方面。提供了两种类型的RSCN消息格式，包括有关受影响设备的状态信息。在一个实施例中，用于交换机间通信的RSCN消息格式根据多种预定格式之一提供关于受影响设备的各种信息。在另一个实施例中，节点设备RSCN消息格式提供关于端口状态，受影响端口的标识以及端口和节点全球名称以及节点支持的FC-4类型的信息。

3. 发明申请

US20130036186A1 CACHING REMOTE SWITCH INFORMATION IN A FIBRE CHANNEL SWITCH 有权
公开(公告)号：US20130036186A1
公开(公告)日：2013-02-07
申请号：US13363758
申请日：2012-02-01
申请人： Lalit D. PATHAK , Raymond C. TSAI , Richard L. Hammons
发明人： Lalit D. PATHAK , Raymond C. TSAI , Richard L. Hammons
IPC分类号： G06F15/167
CPC分类号： H04L29/12047 , H04L29/12009 , H04L61/15
摘要： A network of switches with a distributed name server configuration and caching of remote node device information is disclosed. The network preferably comprises a first switch coupled to a second switch. Each of the switches directly couple to respective node devices. The first switch maintains a name server database about its local node devices, as does the second switch. The second switch further maintains a information cache about remote node devices. The name server preferably notifies other switches of changes to the database, and the cache manager preferably uses the notifications from other switches to maintain the cache. The name server accesses the cache to respond to queries about remote node devices. The cache manager may also aggregate notification messages from other switches when notifying local devices of state changes. Traffic overhead and peak traffic loads may advantageously be reduced.

4. 发明授权

US08135009B2 Caching remote switch information in a Fibre Channel switch 有权
标题翻译：在光纤通道交换机中缓存远程交换机信息
公开(公告)号：US08135009B2
公开(公告)日：2012-03-13
申请号：US12342818
申请日：2008-12-23
申请人： Lalit D. Pathak , Raymond C. Tsai , Richard L. Hammons
发明人： Lalit D. Pathak , Raymond C. Tsai , Richard L. Hammons
IPC分类号： H04L12/28
CPC分类号： H04L29/12047 , H04L29/12009 , H04L61/15
摘要： A network of switches with a distributed name server configuration and caching of remote node device information is disclosed. The network preferably comprises a first switch coupled to a second switch. Each of the switches directly couple to respective node devices. The first switch maintains a name server database about its local node devices, as does the second switch. The second switch further maintains a information cache about remote node devices. The name server preferably notifies other switches of changes to the database, and the cache manager preferably uses the notifications from other switches to maintain the cache. The name server accesses the cache to respond to queries about remote node devices. The cache manager may also aggregate notification messages from other switches when notifying local devices of state changes. Traffic overhead and peak traffic loads may advantageously be reduced.
摘要翻译：公开了具有分布式名称服务器配置和远程节点设备信息缓存的交换机网络。网络优选地包括耦合到第二开关的第一开关。每个开关直接耦合到相应的节点设备。第一个交换机维护名称服务器数据库关于其本地节点设备，第二个交换机也是如此。第二交换机进一步维护关于远程节点设备的信息缓存。名称服务器优选地通知其他交换机对数据库的改变，并且高速缓存管理器优选地使用来自其他交换机的通知来维护高速缓存。名称服务器访问缓存以响应有关远程节点设备的查询。当通知本地设备状态改变时，缓存管理器还可以聚合来自其他交换机的通知消息。可以有利地减少业务开销和峰值业务负载。

5. 发明申请

US20090141714A1 CACHING REMOTE SWITCH INFORMATION IN A FIBRE CHANNEL SWITCH 有权
标题翻译：在光纤通道开关中缓存远程开关信息
公开(公告)号：US20090141714A1
公开(公告)日：2009-06-04
申请号：US12342818
申请日：2008-12-23
申请人： Lalit D. Pathak , Raymond C. Tsai , Richard L. Hammons
发明人： Lalit D. Pathak , Raymond C. Tsai , Richard L. Hammons
IPC分类号： H04L12/56
CPC分类号： H04L29/12047 , H04L29/12009 , H04L61/15
摘要： A network of switches with a distributed name server configuration and caching of remote node device information is disclosed. The network preferably comprises a first switch coupled to a second switch. Each of the switches directly couple to respective node devices. The first switch maintains a name server database about its local node devices, as does the second switch. The second switch further maintains a information cache about remote node devices. The name server preferably notifies other switches of changes to the database, and the cache manager preferably uses the notifications from other switches to maintain the cache. The name server accesses the cache to respond to queries about remote node devices. The cache manager may also aggregate notification messages from other switches when notifying local devices of state changes. Traffic overhead and peak traffic loads may advantageously be reduced.
摘要翻译：公开了具有分布式名称服务器配置和远程节点设备信息缓存的交换机网络。网络优选地包括耦合到第二开关的第一开关。每个开关直接耦合到相应的节点设备。第一个交换机维护名称服务器数据库关于其本地节点设备，第二个交换机也是如此。第二交换机进一步维护关于远程节点设备的信息缓存。名称服务器优选地通知其他交换机对数据库的改变，并且高速缓存管理器优选地使用来自其他交换机的通知来维护高速缓存。名称服务器访问缓存以响应有关远程节点设备的查询。当通知本地设备状态改变时，缓存管理器还可以聚合来自其他交换机的通知消息。可以有利地减少业务开销和峰值业务负载。

6. 发明授权

US08295288B2 Registered state change notification for a fibre channel network 有权
标题翻译：光纤通道网络的注册状态更改通知
公开(公告)号：US08295288B2
公开(公告)日：2012-10-23
申请号：US12340228
申请日：2008-12-19
申请人： Xiaocheng “Cora” Chen , Raymond C. Tsai , Richard L. Hammons , Lalit D. Pathak , Sundar Poudyal , Daotang Yang
发明人： Xiaocheng “Cora” Chen , Raymond C. Tsai , Richard L. Hammons , Lalit D. Pathak , Sundar Poudyal , Daotang Yang
IPC分类号： H04L12/56
CPC分类号： H04L49/552 , H04L49/357 , H04Q2213/1301 , H04Q2213/13337
摘要： Disclosed herein are various aspects of a Fibre Channel (Fibre Channel) fabric having switches that employ Registered State Change Notifications (RSCNs) with enhanced payloads. Two types of RSCN message formats are provided, both including status information about the affected device(s). In one embodiment, a RSCN message format for inter-switch communication provides various information about the affected devices according to one of a plurality of predetermined formats. In another embodiment, a node device RSCN message format provides information about a port state, the identification of the affected port, along with the port and node world wide names and the FC-4 types supported by the node.
摘要翻译：这里公开了具有采用具有增强的有效载荷的注册状态改变通知（RSCN））的交换机的光纤通道（光纤通道）结构的各个方面。提供了两种类型的RSCN消息格式，包括有关受影响设备的状态信息。在一个实施例中，用于交换机间通信的RSCN消息格式根据多种预定格式之一提供关于受影响设备的各种信息。在另一个实施例中，节点设备RSCN消息格式提供关于端口状态，受影响端口的标识以及端口和节点全球名称以及节点支持的FC-4类型的信息。

7. 发明授权

US07187659B2 Fibre channel switch having a push/pull method for caching remote switch information 有权
标题翻译：具有用于缓存远程交换机信息的推/拉方式的光纤通道交换机
公开(公告)号：US07187659B2
公开(公告)日：2007-03-06
申请号：US10208376
申请日：2002-07-30
申请人： Richard L. Hammons , Raymond C. Tsai , Lalit D. Pathak
发明人： Richard L. Hammons , Raymond C. Tsai , Lalit D. Pathak
IPC分类号： H04L12/28 , H04L12/50 , G06F15/177
CPC分类号： H04L49/357 , H04L49/351
摘要： A network of switches with a distributed name server configuration and push/pull caching of remote node device information is disclosed. The network comprises a first switch coupled to a second switch. Each of the switches directly coupled to corresponding node devices. The first switch maintains a database of information about its local node devices. The second switch maintains a information cache about remote node devices, and periodically verifies that the cache information matches the database information on the first switch. The second switch preferably notifies node devices directly coupled to the second switch of state changes after notification messages are received from the first switch, and after mismatches are detected between the cache and the database. The second switch preferably responds to any queries about remote node devices by accessing the cache. In this manner, name server traffic overhead may advantageously be reduced in a robust, efficient manner.
摘要翻译：公开了具有分布式名称服务器配置和远程节点设备信息的推/拉缓存的交换机网络。网络包括耦合到第二开关的第一开关。每个开关直接耦合到相应的节点设备。第一个交换机维护有关其本地节点设备的信息的数据库。第二交换机维护关于远程节点设备的信息缓存，并且周期性地验证高速缓存信息是否与第一交换机上的数据库信息相匹配。在从第一交换机接收到通知消息之后，并且在高速缓存和数据库之间检测到不匹配之后，第二交换机优选地通知直接耦合到第二交换状态改变的节点设备。第二交换机优选地通过访问高速缓存来响应关于远程节点设备的任何查询。以这种方式，可以以鲁棒，有效的方式有利地减少名称服务器业务开销。

8. 发明授权

US08599847B2 Caching remote switch information in a fibre channel switch 有权
公开(公告)号：US08599847B2
公开(公告)日：2013-12-03
申请号：US13363758
申请日：2012-02-01
申请人： Lalit D. Pathak , Raymond C. Tsai , Richard L. Hammons
发明人： Lalit D. Pathak , Raymond C. Tsai , Richard L. Hammons
IPC分类号： H04L12/28
CPC分类号： H04L29/12047 , H04L29/12009 , H04L61/15
摘要： A network of switches with a distributed name server configuration and caching of remote node device information is disclosed. The network preferably comprises a first switch coupled to a second switch. Each of the switches directly couple to respective node devices. The first switch maintains a name server database about its local node devices, as does the second switch. The second switch further maintains a information cache about remote node devices. The name server preferably notifies other switches of changes to the database, and the cache manager preferably uses the notifications from other switches to maintain the cache. The name server accesses the cache to respond to queries about remote node devices. The cache manager may also aggregate notification messages from other switches when notifying local devices of state changes. Traffic overhead and peak traffic loads may advantageously be reduced.

9. 发明授权

US07474652B2 Caching remote switch information in a fibre channel switch 有权
标题翻译：在光纤通道交换机中缓存远程交换机信息
公开(公告)号：US07474652B2
公开(公告)日：2009-01-06
申请号：US10208427
申请日：2002-07-30
申请人： Lalit D. Pathak , Raymond C. Tsai , Richard L. Hammons
发明人： Lalit D. Pathak , Raymond C. Tsai , Richard L. Hammons
IPC分类号： H04L12/28
CPC分类号： H04L29/12047 , H04L29/12009 , H04L61/15
摘要： A network of switches with a distributed name server configuration and caching of remote node device information is disclosed. The network preferably comprises a first switch coupled to a second switch. Each of the switches directly couple to respective node devices. The first switch maintains a name server database about its local node devices, as does the second switch. The second switch further maintains a information cache about remote node devices. The name server preferably notifies other switches of changes to the database, and the cache manager preferably uses the notifications from other switches to maintain the cache. The name server accesses the cache to respond to queries about remote node devices. The cache manager may also aggregate notification messages from other switches when notifying local devices of state changes. Traffic overhead and peak traffic loads may advantageously be reduced.
摘要翻译：公开了具有分布式名称服务器配置和远程节点设备信息缓存的交换机网络。网络优选地包括耦合到第二开关的第一开关。每个开关直接耦合到相应的节点设备。第一个交换机维护名称服务器数据库关于其本地节点设备，第二个交换机也是如此。第二交换机进一步维护关于远程节点设备的信息缓存。名称服务器优选地通知其他交换机对数据库的改变，并且高速缓存管理器优选地使用来自其他交换机的通知来维护高速缓存。名称服务器访问缓存以响应有关远程节点设备的查询。当通知本地设备状态改变时，缓存管理器还可以聚合来自其他交换机的通知消息。可以有利地减少业务开销和峰值业务负载。

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