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1. 发明授权

US07054272B1 Upper layer network device including a physical layer test port 有权
标题翻译：上层网络设备包括物理层测试端口
公开(公告)号：US07054272B1
公开(公告)日：2006-05-30
申请号：US09616477
申请日：2000-07-14
申请人： Chris R Noel , Corey Simons , Joseph D Kidder , Nicholas A Langrind , Brian Branscomb , Jonathan D Madsen
发明人： Chris R Noel , Corey Simons , Joseph D Kidder , Nicholas A Langrind , Brian Branscomb , Jonathan D Madsen
IPC分类号： H04J1/16
CPC分类号： H04L43/50 , H04L41/0631 , H04L41/0672 , H04L41/082 , H04L41/0856 , H04L43/0811
摘要： The present invention provides an upper layer network device with one or more physical layer data test ports. The data supplied to the test ports reflects the data received by the network device with minimal modification and no upper layer translation or processing, and supplying the data to the test ports does not impact or disrupt the service provided by the network device. Only a small portion of the network device need be operable to send data to the test ports. In addition, the test ports are programmable while the network device is operating and without impacting its operation. Moreover, because the test ports are programmable—that is, they are not dedicated—they may be re-programmed for normal device operation.
摘要翻译：本发明提供了具有一个或多个物理层数据测试端口的上层网络设备。提供给测试端口的数据反映了网络设备接收到的数据最少的修改，没有上层转换或处理，并且将数据提供给测试端口不会影响或中断网络设备提供的服务。只有一小部分网络设备需要操作才能将数据发送到测试端口。此外，测试端口可以在网络设备运行时进行编程，而不会影响其运行。此外，由于测试端口是可编程的，也就是说，它们不是专用的，它们可能被重新编程为正常的器件操作。

2. 发明授权

US06332198B1 Network device for supporting multiple redundancy schemes 有权
标题翻译：用于支持多种冗余方案的网络设备
公开(公告)号：US06332198B1
公开(公告)日：2001-12-18
申请号：US09591193
申请日：2000-06-09
申请人： Corey Simons , Terrence S. Pearson , Chris R. Noel , Joseph D. Kidder , Brian Branscomb , Nicholas A. Langrind , Daniel J. Sullivan , Barbara A. Fox
发明人： Corey Simons , Terrence S. Pearson , Chris R. Noel , Joseph D. Kidder , Brian Branscomb , Nicholas A. Langrind , Daniel J. Sullivan , Barbara A. Fox
IPC分类号： G06F1300
CPC分类号： H04L7/0008 , G06F1/14 , H04J3/0685 , H04L29/06 , H04L41/0816 , H04L41/082 , H04L41/0859 , H04L41/0863 , H04L41/22 , H04L45/50 , H04L69/18
摘要： The present invention provides a method and apparatus for supporting multiple redundancy schemes in a single network device. In one network device, various redundancy schemes are supported including 1:1, 1+1, 1:N, no redundancy or a combination of redundancy schemes. In addition, the redundancy scheme or schemes for physical network device cards (i.e., universal port cards) or ports may be different from the redundancy scheme or schemes for forwarding network device cards. For example, a network manager may want to provide 1:1 or 1+1 redundancy for all universal port cards and/or ports but only 1:N redundancy for each N group of forwarding cards. As another example, the network manager may provide certain customers with 1:1 redundancy on both universal port cards (or ports) and forwarding cards to ensure that customer's network availability while providing other customers, with lower availability requirements, with various other redundancy scheme combinations, for example, 1:1, 1+1, 1:N or no redundancy for port cards or ports and 1:N or no redundancy for forwarding cards. The present invention allows customers having different availability/redundancy needs to be serviced by same network device.
摘要翻译：本发明提供一种用于在单个网络设备中支持多个冗余方案的方法和装置。在一个网络设备中，支持各种冗余方案，包括1：1,1 + 1，1：N，无冗余或冗余方案的组合。此外，用于物理网络设备卡（即，通用端口卡）或端口的冗余方案或方案可以不同于用于转发网络设备卡的冗余方案或方案。例如，网络管理员可能希望为所有通用端口卡和/或端口提供1：1或1 + 1冗余，但每个N组转发卡只能提供1：N冗余。另一个例子，网络管理员可以在两个通用端口卡（或端口）和转发卡上为某些客户提供1：1冗余，以确保客户的网络可用性，同时以更低的可用性要求为其他客户提供各种其他冗余方案组合例如1：1，1 + 1，1：N或端口卡或端口没有冗余，1：N或转发卡的冗余。本发明允许具有不同可用性/冗余的客户需要由相同的网络设备进行服务。

3. 发明授权

US06760339B1 Multi-layer network device in one telecommunications rack 有权
标题翻译：多层网络设备在一个电信机架中
公开(公告)号：US06760339B1
公开(公告)日：2004-07-06
申请号：US09596055
申请日：2000-06-16
申请人： Chris R. Noel , Terrence S. Pearson , Joe Whitehouse , Corey Simons , Brian Branscomb
发明人： Chris R. Noel , Terrence S. Pearson , Joe Whitehouse , Corey Simons , Brian Branscomb
IPC分类号： H04L1228
CPC分类号： H04L7/0008 , G06F1/14 , H04J3/0685 , H04L29/06 , H04L41/0803 , H04L41/082 , H04L41/0859 , H04L41/0863 , H04L41/22 , H04L45/50 , H04L69/18 , H05K1/14
摘要： The present invention provides a high switching capacity network device in one telco rack including both physical layer switch/router subsystems and an upper layer switch/router subsystem. Instead of providing a single physical layer switch/router subsystem, multiple physical layer switch/router subsystems are provided. Segmenting the physical layer switch/router into multiple, for example, four, subsystems better utilizes routing resources by allowing etches for the physical layer subsystems to be moved away from the center of the mid-plane/back-plane of the network device. Moving the physical layer subsystem etches away from the center of the mid-plane enables the network device to include an upper layer/switch router subsystem with etches toward the center of the mid-plane. Providing a multi-layer network device in one telco rack allows for intelligent layer 1 switching (for example, dynamic network connection set up), allows for one network management system to run both layer 1 and upper layer networks and eliminates grooming fees. Compared with separate layer 1 and upper layer network devices or a multi-layer network device occupying multiple telco racks, a single network device saves valuable telco site space and reduces expenses by sharing overhead such as the chassis, power and cooling.
摘要翻译：本发明提供了一个电信机架中的高交换容量网络设备，包括物理层交换机/路由器子系统和上层交换机/路由器子系统。不提供单个物理层交换机/路由器子系统，而是提供多个物理层交换机/路由器子系统。将物理层交换机/路由器分段为多个，例如四个子系统通过允许物理层子系统的蚀刻移动远离网络设备的中间平面/背面的中心，更好地利用路由资源。移动物理层子系统远离中间平面的中心使网络设备能够将具有蚀刻的上层/交换机路由器子系统包括在中间平面的中心。在一个电信机架中提供多层网络设备可实现智能层1交换（例如动态网络连接建立），允许一个网络管理系统运行第1层和上层网络，并消除修复费用。与独立的第1层和上层网络设备或占用多个电话机架的多层网络设备相比，单个网络设备可以节省宝贵的电信站点空间，并通过共享开销（如机箱，电源和冷却）降低开销。

4. 发明授权

US07039046B1 Network device including central and distributed switch fabric subsystems 有权
标题翻译：网络设备包括中央和分布式交换矩阵子系统
公开(公告)号：US07039046B1
公开(公告)日：2006-05-02
申请号：US09613940
申请日：2000-07-11
申请人： Corey Simons , Brian Branscomb , Colin Bell , Chris R. Noel , Larry B. Manor , Peter B. Everdell
发明人： Corey Simons , Brian Branscomb , Colin Bell , Chris R. Noel , Larry B. Manor , Peter B. Everdell
IPC分类号： H04L12/50
CPC分类号： H04L49/15 , H04L49/254
摘要： The present invention reduces the cost of a minimally configured network device by providing a network device with a distributed switch fabric. Such a network device locates a portion of the switch fabric functionality on each forwarding card allowing the minimal network device configuration to include less than the entire switch fabric functionality. The cost of the minimal configuration is, therefore, reduced allowing network service providers to more quickly recover the initial cost of the network device. As new services are requested, additional functionality, including both forwarding cards and universal port cards may be added to the network device to handle the new requests, and the fees for the new services may be applied to the cost of the additional functionality. Consequently, the cost of the network device more closely tracks the service fees received by network providers.
摘要翻译：本发明通过向网络设备提供分布式交换结构来降低最低配置的网络设备的成本。这样的网络设备在每个转发卡上定位交换结构功能的一部分，允许最小的网络设备配置包括少于整个交换结构功能。因此，最小配置的成本降低，允许网络服务提供商更快地恢复网络设备的初始成本。当请求新服务时，可以向网络设备添加包括转发卡和通用端口卡的附加功能来处理新的请求，并且新服务的费用可以应用于附加功能的成本。因此，网络设备的成本更加紧密地跟踪网络提供商接收的服务费用。

5. 发明授权

US07023845B1 Network device including multiple mid-planes 有权
标题翻译：网络设备包括多个中间平面
公开(公告)号：US07023845B1
公开(公告)日：2006-04-04
申请号：US09595709
申请日：2000-06-16
申请人： Corey Simons , Peter B. Everdell , Brian Branscomb , Daniel I. Westerberg
发明人： Corey Simons , Peter B. Everdell , Brian Branscomb , Daniel I. Westerberg
IPC分类号： H04L12/56
CPC分类号： H04L43/0811 , G06F11/1433 , G06F11/1458 , G06F11/1469 , G06F11/1482 , G06F11/203 , G06F2201/80 , H04L41/0213 , H04L41/0233 , H04L41/0659 , H04L41/0681 , H04L41/0803 , H04L43/00 , H04L43/16 , H04L49/00 , H04L69/32 , H04L69/40
摘要： The present invention provides a network device that fully utilizes the available space in a standard telco rack through the use of multiple mid-planes. Full utilization of available space allows a high switching capacity network device including both physical layer switch/router subsystems and upper layer switch/router subsystems to be fit in one telco rack. Inter-mid-plane connections may be provided by connecting switch fabric cards and/or control processor cards to each of the mid-planes. Providing a multi-layer network device in one telco rack allows for intelligent layer 1 switching (for example, dynamic network connection set up), allows for one network management system to control both layer 1 and upper layer networks and eliminates grooming fees. Compared with separate layer 1 and upper layer network devices or a multi-layer network device occupying multiple telco racks, a single network device saves valuable telco site space and reduces expenses by sharing overhead such as the chassis, power and cooling.
摘要翻译：本发明提供了一种通过使用多个中间平面来充分利用标准电话机架中的可用空间的网络设备。充分利用可用空间允许包括物理层交换机/路由器子系统和上层交换机/路由器子系统的高交换容量网络设备适合于一个电信机架。可以通过将交换结构卡和/或控制处理器卡连接到每个中间平面来提供中间平面连接。在一个电信机架中提供多层网络设备可实现智能层1交换（例如，动态网络连接建立），允许一个网络管理系统控制第一层和上层网络，并消除整理费用。与独立的第1层和上层网络设备或占用多个电话机架的多层网络设备相比，单个网络设备可以节省宝贵的电信站点空间，并通过共享开销（如机箱，电源和冷却）降低开销。

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