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公开(公告)号：US5537413A
公开(公告)日：1996-07-16
申请号：US476790
申请日：1995-06-07
IPC分类号： H04L12/433 , H04L12/46
CPC分类号： H04L12/4637 , H04L12/433
摘要： In accordance with principles of the invention, a frame removal mechanism for token ring networks is disclosed. The disclosed system uses strip delimiter frames. The system transmits one or more information frames onto a computer network. The system further transmits one or more strip delimiter frames onto the computer network after the information frame transmission. The system detects strip delimiter frames on the computer network, and strips information frames received from the computer network after the information frame transmission is begun and until one of the strip delimiter frames is detected.
摘要翻译： 根据本发明的原理，公开了一种用于令牌环网的帧去除机制。 所公开的系统使用条带分隔符帧。 系统将一个或多个信息帧发送到计算机网络上。 在信息帧传输之后，系统还将一个或多个条带定界符帧传送到计算机网络上。 该系统检测计算机网络上的条带定界符帧，并且在信息帧发送开始之后并且直到检测到一个条带定界符帧之后，剥离从计算机网络接收的信息帧。
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2.发明授权
公开(公告)号：US5477540A
公开(公告)日：1995-12-19
申请号：US880805
申请日：1992-05-08
IPC分类号： H04L12/433 , H04L12/46
CPC分类号： H04L12/4637 , H04L12/433
摘要： A system for stripping frames transmitted by a station on a token ring network is disclosed. During operation of the system, the station receives a grant of permission to transmit onto the network. In an example embodiment, the grant of permission is a token. After receipt of the grant of permission to transmit, the station transmits one or more information frames onto the network. Upon transmission of the information frames, the station stops forwarding frames received from the network, thus removing received frames from the network. Removing received frames from the network is referred to as `stripping`. Following transmission of the information frames, the station transmits an end strip delimiter frame onto the network. Upon receipt of the end strip delimiter frame, the station terminates stripping. In an example embodiment, the system is used in a bridge station, the bridge station connecting a first network with a second network.
摘要翻译： 公开了一种用于剥离由令牌环网络上的站发送的帧的系统。 在系统运行期间，站接收到允许发送到网络上的许可。 在示例实施例中，许可的授权是令牌。 在接收到允许发送的许可之后，站将一个或多个信息帧发送到网络上。 在发送信息帧时，站停止从网络接收的帧的转发，从而从网络去除接收到的帧。 从网络中删除接收到的帧称为“剥离”。 在发送信息帧之后，站将终端带分隔符帧发送到网络上。 在接收到终端带分隔符帧时，站终止剥离。 在示例实施例中，该系统用于桥接站，桥接站将第一网络与第二网络连接。
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公开(公告)号：US5377190A
公开(公告)日：1994-12-27
申请号：US880804
申请日：1992-05-08
IPC分类号： H04L12/433 , H04L12/46 , H04J3/14 , H04L12/42
CPC分类号： H04L12/4637 , H04L12/433
摘要： A system for stripping frames transmitted by a station on a token ring network is disclosed. During operation of the system, the station receives a grant of permission to transmit onto the network. In an example embodiment, the grant of permission is a token. After receipt of the grant of permission to transmit, the station transmits one or more frames onto the network. The station counts the number of frames transmitted onto the network. The count of frames transmitted onto the network is the `frame count`. Upon transmission of the frames, the station stops forwarding frames received from the network, thus removing received frames from the network. Removing received frames from the network is referred to as `stripping`. Following transmission of the information frames, the station counts the number of frames stripped from the network. The count of frames stripped from the network is the `strip count`. When the strip count equals the frame count, the station terminates stripping. In an example embodiment, the system is used in a bridge station, the bridge station connecting a first network with a second network.
摘要翻译： 公开了一种用于剥离由令牌环网络上的站发送的帧的系统。 在系统运行期间，站接收到允许发送到网络上的许可。 在示例实施例中，许可的授权是令牌。 在接收到发送许可的许可之后，站将一个或多个帧发送到网络上。 该站计算发送到网络上的帧数。 传输到网络上的帧计数是“帧计数”。 在帧的发送时，站停止从网络接收的帧的转发，从而从网络去除接收的帧。 从网络中删除接收到的帧称为“剥离”。 在发送信息帧之后，站计算从网络剥离的帧数。 从网络剥离的帧数是“条数”。 当条带数等于帧数时，站终止剥离。 在示例实施例中，该系统用于桥接站，桥接站将第一网络与第二网络连接。
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4.发明授权Frame removal mechanism using count of frames and delimiter frame for token ring networks 失效帧删除机制使用帧的计数和令牌环网络的定界符帧
公开(公告)号：US5331636A
公开(公告)日：1994-07-19
申请号：US884321
申请日：1992-05-11
IPC分类号： H04L12/433 , H04L12/46 , H04J3/14
CPC分类号： H04L12/4637 , H04L12/433
摘要： A station transmits a sequence of one or more frames on a token ring, keeping count of the frames transmitted. At the end of the transmitted frame the station originates onto the ring one or more coded marker frames and finally transmits a token. After the station transmission is begun, the station strips from the ring all the frames it receives, decrementing its count for each properly stripped frame, until either its count is reduced to zero or one of its marker frames is detected.
摘要翻译： 站点在令牌环上发送一个或多个帧的序列，保持发送帧数。 在发送帧结束时，站发起一个或多个编码标记帧的环，并最终发送令牌。 在站发送开始之后，站从环中收到其接收到的所有帧，递减其对于每个正确剥离的帧的计数，直到其计数被减少为零或者其中一个标记帧被检测到。
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5.发明授权Avoiding congestion system for reducing traffic load on selected end systems which utilizing above their allocated fair shares to optimize throughput at intermediate node 失效避免使用拥塞系统来减少所选终端系统上的流量负载，利用其分配的公平份额以优化中间节点的吞吐量
公开(公告)号：US5668951A
公开(公告)日：1997-09-16
申请号：US559866
申请日：1995-11-20
摘要： Method and apparatus for operating a digital communication network to avoid congestion by detecting load conditions at intermediate stations exceeding an overload condition and adjusting the rates at which source stations that are utilizing more than their fair share of throughput capacity transmit information through the intermediate stations.
摘要翻译： 通过检测超过过载状态的中间站处的负载状况并调整利用超过其公平的吞吐能力份额的源站通过中间站发送信息的速率来操作数字通信网络以避免拥塞的方法和装置。
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6.发明授权System for setting congestion avoidance flag at intermediate node to reduce rates of transmission on selected end systems which utilizing above their allocated fair shares 失效用于在中间节点设置拥塞避免标志的系统，以减少利用其分配的公平份额以上的所选终端系统的传输速率
公开(公告)号：US5675742A
公开(公告)日：1997-10-07
申请号：US494502
申请日：1995-06-26
摘要： Method and apparatus for operating a digital communication network to avoid congestion by detecting load conditions at intermediate stations exceeding an overload condition, and flagging information packets associated with those streams of traffic accounting for more than their fair share of throughput at such overloaded stations.
摘要翻译： 通过检测超过过载状态的中间站处的负载情况，以及标记与这些流量流相关联的信息包，在这些超载站处理超过其公平的吞吐量，用于操作数字通信网络以避免拥塞的方法和装置。
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7.发明授权System for avoiding network congestion by distributing router resources equally among users and forwarding a flag to those users utilize more than their fair share 失效通过在用户之间平均分配路由器资源并向用户转发标志来避免网络拥塞的系统利用超过其公平份额
公开(公告)号：US5491801A
公开(公告)日：1996-02-13
申请号：US294291
申请日：1994-08-23
摘要： Method and apparatus for operating a digital communication network to avoid congestion by detecting load conditions at intermediate stations exceeding an overload condition, flagging information packets associated with those streams of traffic accounting for more than their fair share of throughput at such overloaded stations, and reducing at the end systems the throughput of those streams of traffic of which more than a predetermined fraction of the information packets received by the end systems are flagged.
摘要翻译： 通过检测超过过载状态的中间站处的负载状况来操作数字通信网络以避免拥塞的方法和装置，标记与这些超载站的吞吐量相当的流量的相关信息分组，并且减少在 该终端系统将其端到端系统所接收的信息包的预定分数多于该标识的那些业务流的吞吐量。
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公开(公告)号：US5377327A
公开(公告)日：1994-12-27
申请号：US183927
申请日：1994-01-21
IPC分类号： H04L12/56
摘要： Method and apparatus for operating a digital communication network to avoid congestion by detecting load conditions at the routers exceeding their knee capacities, flagging information packets associated with those streams of traffic accounting for more than their fair share of throughput at such overloaded routers, and reducing at the end systems the throughput of those streams of traffic for which more than a predetermined fraction of information packets received by the end systems are flagged.
摘要翻译： 通过检测超过其膝盖能力的路由器的负载条件来操作数字通信网络以避免拥塞的方法和装置，标记与这些流量流相关联的信息分组，以超过其在这种过载的路由器处的公平的吞吐量，并减少 该终端系统针对终端系统接收到的多于一个预定分数的信息分组被标记的那些流量流的吞吐量。
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公开(公告)号：US5428611A
公开(公告)日：1995-06-27
申请号：US69314
申请日：1993-05-28
摘要： Ideal for use in high-speed wide-area networks, such as HDLC as defined in ISO Standard 3309, a strong framing method for data packets significantly improves undetected error probability. In a run-length code type data communication scheme, wherein frame delimiter strings, abort strings and idle strings, are transmitted as control symbols, the method includes providing the frame delimiter string as a multi-symbol construct for delimiting the transmitted data, providing the abort strings and idle strings to respectively include minimum run lengths which are substantially longer than the individual symbols in the multi-symbol construct, transmitting data with control symbols as a bit sequence, and receiving and analyzing the transmitted data at the data-receiving device to detect the presence of bit errors.
摘要翻译： 适用于高速广域网（如ISO标准3309中定义的HDLC），数据包的强取帧方式显着提高了未检测到的错误概率。 在其中发送帧定界符字符串，中止字符串和空闲字符串作为控制符号的游程长度代码类型数据通信方案中，该方法包括将帧定界符字符串提供为用于限定发送数据的多符号结构， 中止字符串和空闲字符串以分别包括比多符号结构中的各个符号基本上长的最小游程长度，以控制符号作为比特序列发送数据，以及接收和分析数据接收设备处的发送数据 检测位错误的存在。
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公开(公告)号：US5193151A
公开(公告)日：1993-03-09
申请号：US400858
申请日：1989-08-30
申请人： Rajendra K. Jain
发明人： Rajendra K. Jain
IPC分类号： H04L12/56
CPC分类号： H04L47/263 , H04L47/10 , H04L47/12 , H04L47/27 , H04L47/283 , Y02B60/31
摘要： A packet data communication system employs a congestion avoidance method in which each node measures the round-trip delay occurring when it sends data to a destination and receives an acknowledgement. This delay is measured for different load levels, and a comparison of these delays is used to determine whether to increase or decrease the load level. The load level can be adjusted by adjusting the window size (number of packets sent in to the network) or by adjusting the packet rate (packets per unit time). The objective is operation at the knee in the throughput vs. traffic curve, so that the data throughput is high and the round trip delay is low. Control is accomplished at each node individually, without intervention by the router or server, so system overhead is not increased.
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