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1. 发明授权

US5430710A Order preserving transmission of data streams 失效
标题翻译：订单保存数据流的传输
公开(公告)号：US5430710A
公开(公告)日：1995-07-04
申请号：US929225
申请日：1992-08-14
申请人： Lothar Mueller , Rainer Oechsle , Hong L. Truong
发明人： Lothar Mueller , Rainer Oechsle , Hong L. Truong
IPC分类号： H04L29/04 , H04L29/06 , H04J3/14 , H04M7/00
CPC分类号： H04L29/06
摘要： Described are methods which preserve the order of the data frames within a data stream if the data stream is switched from one link to another. The first method achieves the order preservation by numbered switch frames that have to be exchanged between the nodes before the link switching is actually performed. In the second method, the switching is only prepared by exchanging special frames which indicate "clean" links. Actual switching takes place by just using an already prepared, i.e., "clean" link.
摘要翻译：描述了如果数据流从一个链路切换到另一个链路，则保持数据流内的数据帧的顺序的方法。第一种方法通过实际执行链路切换之前必须在节点之间进行交换的编号交换机实现顺序保存。在第二种方法中，切换仅通过交换指示“清洁”链路的特殊帧来准备。实际切换是通过使用已经准备好的，即“干净的”链路进行的。

2. 发明授权

US5357508A Connectionless ATM network support using partial connections 失效
标题翻译：无连接ATM网络支持使用部分连接
公开(公告)号：US5357508A
公开(公告)日：1994-10-18
申请号：US918347
申请日：1992-07-22
申请人： Jean-Yves Le Boudec , Hong L. Truong , Rainer Oechsle
发明人： Jean-Yves Le Boudec , Hong L. Truong , Rainer Oechsle
IPC分类号： H04L12/56 , H04Q11/04 , H04L12/50
CPC分类号： H04L45/10 , H04Q11/0478 , H04L2012/5645
摘要： Method and apparatus for supporting the Asynchronous Transfer Mode (ATM) connectionless service by means of Partial Connections (PCs) in an ATM system (18). These PCs are established between the source users (10, 11, 17) of said ATM system (18) and the destination switching nodes (14) to which the destination users (15) are linked. The use of PCs has no constraints on the size of the domain, because the information the source user (10, 11, 17) inserts in the Virtual Path Identifier/Virtual Channel Identifier (VPI/VCI) field of ATM cells to be transmitted to a destination user (15), is local to the source switching node (12) to which the source user (10, 11, 17) is connected. The information inserted in the VPI/VCI field identifies the PCs along which ATM cells are to be routed.
摘要翻译：一种用于通过ATM系统（18）中的部分连接（PC）来支持异步传输模式（ATM）无连接服务的方法和装置。这些PC建立在所述ATM系统（18）的源用户（10,11,17）和目的地用户（15）所链接的目的地交换节点（14）之间。 PC的使用对于域的大小没有约束，因为源用户（10,11,17）插入要发送到的ATM信元的虚拟路径标识符/虚拟信道标识符（VPI / VCI）字段中的信息目的地用户（15）对于源用户（10,11,17）连接到的源交换节点（12）是本地的。插入在VPI / VCI字段中的信息标识出ATM信元所要路由的PC。

3. 发明授权

US5570466A Multiple path trees and lan segments for routing in a network of bridge-connected lan segments 失效
标题翻译：多路径树和lan段，用于在桥接网段的网络中路由
公开(公告)号：US5570466A
公开(公告)日：1996-10-29
申请号：US372693
申请日：1995-01-13
申请人： Rainer Oechsle
发明人： Rainer Oechsle
IPC分类号： H04Q1/30 , H04L12/56 , H04J3/24
CPC分类号： H04L45/04 , H04L45/26
摘要： For routing of frames through a system of bridge-connected network segments, a routing table is stored in each bridge, and each frame includes fields for a source segment identifier and a destination segment identifier. The routing tables reflect predetermined paths to each network segment as destination. For routing of a normal transmission frame, only the destination segment identifier included in the frame and a table look-up in each bridge are required. For deriving unknown routing information, a discovery frame is sent from source to destination terminal, initially including empty source and destination segment fields. Using the stored routing tables, bridges insert segment identifiers and forward discovery frames in such a way that only one arrives at the destination, carrying the correct source segment identifier and destination segment identifier which are then returned to the source terminal.
摘要翻译：对于通过桥接网络系统的帧的路由，路由表被存储在每个桥中，并且每个帧包括用于源段标识符和目的地段标识符的字段。路由表反映到作为目的地的每个网段的预定路径。对于正常传输帧的路由，仅需要包括在帧中的目的地段标识符和每个桥中的表查找。为了导出未知路由信息，发现帧从源到目的地终端发送，最初包括空源和目的地段字段。使用存储的路由表，桥接器插入段标识符和转发发现帧，使得只有一个到达目的地，携带正确的源段标识符和目的地段标识符，然后返回到源终端。

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