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1. 发明授权

US5479404A System for network wide bandwidth allocation 失效
标题翻译：网络宽带宽分配系统
公开(公告)号：US5479404A
公开(公告)日：1995-12-26
申请号：US192872
申请日：1994-02-07
申请人： Pascal Francois , Eric Lebrun , Jeffrey R. Warren
发明人： Pascal Francois , Eric Lebrun , Jeffrey R. Warren
IPC分类号： G06F13/00 , H04L12/24 , H04L12/423 , H04L12/64 , H04J3/22
CPC分类号： H04L12/6418 , H04L12/423 , H04L41/0896 , H04L41/32 , H04L2012/6437 , H04L2012/6451 , H04L2012/6456 , Y10S370/906
摘要： To solve the problem raised by the allocation of synchronous bandwidth on a FDDI segment when this allocation is done by a centralized Allocator in an interconnected LAN domain, a Third Party Requestor receives from Quality of Service Allocator all information that it needs to ask for bandwidth reservation on the FDDI segment. Following the Station Management standard, the Third Party Requestor is able to act on behalf of the FDDI station that will submit synchronous traffic and ask for bandwidth allocation to a Synchronous Bandwidth Allocator. According to the Synchronous Bandwidth Allocator decision, the Third Party Requestor will then answer to the Quality of Service Allocator which will grant or deny the allocation over the whole path.
摘要翻译：为了解决由互连的LAN域中的集中式分配器进行分配时FDDI段上的同步带宽分配引起的问题，第三方请求者从服务质量分配器接收到需要请求带宽预留的所有信息在FDDI部分。按照站管理标准，第三方请求者能够代表将提交同步流量的FDDI站采取行动，并要求向同步带宽分配器分配带宽。根据同步带宽分配器决定，第三方请求者将回答服务质量分配器，该分配器将授予或拒绝整个路径上的分配。

2. 发明授权

US5651007A System of high availability synchronous bandwidth allocation over FDDI 失效
标题翻译：通过FDDI实现高可用性同步带宽分配系统
公开(公告)号：US5651007A
公开(公告)日：1997-07-22
申请号：US351859
申请日：1994-12-07
申请人： Jeffrey R. Warren , Eric Lebrun , Frederic Raimbault , Pascal Francois
发明人： Jeffrey R. Warren , Eric Lebrun , Frederic Raimbault , Pascal Francois
IPC分类号： G06F13/00 , H04L12/433 , H04L12/64 , H04L1/22
CPC分类号： H04L12/433 , H04L12/6418 , H04L2012/6437 , H04L2012/6451 , H04L2012/6456
摘要： A system of high availablity synchronous bandwidth allocation comprising an FDDI segment to which are connected a first device for allocating synchronous bandwidth over the FDDI segment to any requesting device, and at least a second device for requesting synchronous bandwidth over the FDDI segment. The first device and a third device also connected to said FDDI segment, are capable of a exchanging information regarding the allocation of synchronous bandwidth to at least the second device, the third device can take over for the first device as synchronous bandwidth allocator, if the first device fails.
摘要翻译：一种具有高可用性同步带宽分配的系统，包括连接到第一设备的FDDI分段，用于通过FDDI分段向任何请求设备分配同步带宽，以及至少第二设备，用于通过FDDI分段请求同步带宽。还连接到所述FDDI段的第一设备和第三设备能够将关于同步带宽分配的信息交换到至少第二设备，第三设备可以接管作为同步带宽分配器的第一设备，如果第一个设备失败。

3. 发明授权

US5331642A Management of FDDI physical link errors 失效
标题翻译：管理FDDI物理链路错误
公开(公告)号：US5331642A
公开(公告)日：1994-07-19
申请号：US938785
申请日：1992-09-01
申请人： Stephen R. Valley , Jeffrey R. Warren
发明人： Stephen R. Valley , Jeffrey R. Warren
IPC分类号： G06F13/00 , H04L1/00 , H04L12/26 , G06F11/16
CPC分类号： H04L12/2697 , H04L1/0083 , H04L43/0847 , H04L43/16 , H04L43/50 , H04L43/062 , H04L43/067
摘要： An LAN management facility for monitoring and managing errors on the physical links connecting the stations of a LAN. The facility includes, in part, an Enhanced Link Error Monitor (LEM). The Enhanced LEM continuously determines a Link Error Rate (LER) estimate as a function of time based upon the errors seen on the physical links. The enhanced LEM applies a link specific characteristic function to the LER estimate in order to determine an Adjusted LER Estimate. The link specific characteristic function takes into account the particular characteristics of the link experiencing the errors and is used to alter the station's responsiveness to these errors. The Adjusted LER Estimate is compared to alarm and cutoff thresholds in order to determine the appropriate action to take with respect to the link. By altering the link specific characteristic function, the Enhanced LEM will either become more or less responsive to errors on the link, thereby tolerating more or less errors in a greater or lesser period of time. In a preferred embodiment of invention, each station on the LAN maintains a Management Information Base (MIB) which contains the link specific characteristic function. The attributes in the MIB, including the link specific characteristic function, can be altered remotely by a LAN manager through one of the LAN stations acting as a proxy agent.
摘要翻译：用于监视和管理连接LAN站的物理链路上的错误的LAN管理设备。该设施部分包括增强型链路错误监视器（LEM）。增强型LEM基于物理链路上看到的错误，连续确定链路误码率（LER）估计作为时间的函数。增强的LEM对LER估计应用链路特定特征函数，以确定调整后的LER估计。链路特定功能考虑了经历错误的链路的特定特性，并且用于改变站对这些错误的响应。将调整的LER估计值与报警和截止阈值进行比较，以确定相对于链路采取的适当行动。通过改变链路特定的特征功能，增强型LEM将或多或少地对链路上的错误做出响应，从而在更大或更短的时间内容忍或多或少的错误。在本发明的优选实施例中，LAN上的每个站保持包含链路特定功能的管理信息库（MIB）。 MIB中的属性，包括链路特定功能，可以由LAN管理器通过作为代理代理的一个LAN站远程更改。

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