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21. 发明授权

US06529945B1 Data buffer management between two different systems 失效
标题翻译：两个不同系统之间的数据缓冲区管理
公开(公告)号：US06529945B1
公开(公告)日：2003-03-04
申请号：US09361079
申请日：1999-07-26
申请人： George Michael Calhoun , David Charles Sips , Edward Stanley Suffern
发明人： George Michael Calhoun , David Charles Sips , Edward Stanley Suffern
IPC分类号： G06F15167
CPC分类号： H04L49/90
摘要： A data buffer management system and method between two different types of systems, The data buffer management system employs circular buffer chaining, wherein multiple state machines service buffer updates from multiple sources, dual buffer structures are maintained, mapping is provided between two different control block structures, and full duplex operation is supported. The data buffer management system manages use of a data buffer memory. A transmit operation is performed by transferring and storing data from one of the two different systems to the data buffer memory The data in the data buffer memory is converted and read by another of the two different systems. A receive operation is performed by transferring and storing data from the other of the two different systems to the data buffer memory.
摘要翻译：两种不同类型系统之间的数据缓冲管理系统和方法，数据缓冲管理系统采用循环缓冲链接，其中多个状态机从多个源服务缓冲区更新，保持双缓冲结构，在两个不同的控制块结构之间提供映射，并支持全双工操作。数据缓冲管理系统管理数据缓冲存储器的使用。通过将数据从两个不同系统之一传送并存储到数据缓冲存储器来执行发送操作。数据缓冲存储器中的数据被两个不同系统中的另一个转换和读取。通过将来自两个不同系统中的另一个的数据传送和存储到数据缓冲存储器来执行接收操作。

22. 发明授权

US06170022A Method and system for monitoring and controlling data flow in a network congestion state by changing each calculated pause time by a random amount 失效
标题翻译：通过将每个计算的暂停时间改变一个随机量来监测和控制网络拥塞状态中的数据流的方法和系统
公开(公告)号：US06170022A
公开(公告)日：2001-01-02
申请号：US09054768
申请日：1998-04-03
申请人： John Walter Linville , Brad Alan Makrucki , Edward Stanley Suffern , Jeffrey Robert Warren
发明人： John Walter Linville , Brad Alan Makrucki , Edward Stanley Suffern , Jeffrey Robert Warren
IPC分类号： G06F1300
CPC分类号： H04L47/10 , H04L47/266 , H04L47/30 , H04L49/351 , H04L49/50
摘要： Flow control is implemented at a given node in a network of LAN switches by having the node monitor the occupancy levels of buffers or queues. When a buffer is found to be occupied or filled beyond a predetermined threshold level, a pause command is generated for the source currently supplying traffic to the buffer. A pause time PT is calculated using an equation which takes into account: the transmission rate of the identified source, the transmission rate of the output link servicing the congested buffer and queue length that can be occupied without a congestion condition being declared. To reduce the chance that queue lengths will “oscillate” about their threshold point due to multiple sources resuming transmission at the same time, each calculated pause time is adjusted to a randomly selected value PT(ran) falling within a range of PT±kPT where k may be on the order of fifty percent.
摘要翻译：通过使节点监视缓冲区或队列的占用水平，在LAN交换机的网络中的给定节点处实现流控制。当发现缓冲器被占用或超过预定阈值电平时，为当前向缓冲器提供业务的源产生暂停命令。使用考虑到的方程式来计算暂停时间PT：所识别的源的传输速率，服务于拥塞缓冲区的输出链路的传输速率和可以在没有宣告拥塞的情况下被占用的队列长度。为了减少队列长度由于多个源同时恢复传输而“振荡”其机会，每个计算的暂停时间被调整为落在PT±kPT范围内的随机选择值PT（ran），其中 k可能在百分之五十左右。

23. 发明授权

US6112241A Integrated network interconnecting device and probe 失效
标题翻译：集成网络互连设备和探头
公开(公告)号：US6112241A
公开(公告)日：2000-08-29
申请号：US955276
申请日：1997-10-21
申请人： George Michel Abdelnour , John Walter Linville , Edward Stanley Suffern , Jeffrey Robert Warren
发明人： George Michel Abdelnour , John Walter Linville , Edward Stanley Suffern , Jeffrey Robert Warren
IPC分类号： H04L12/24 , G06F15/173
CPC分类号： H04L41/00 , H04L12/24
摘要： A Local Area Network (LAN) Switch includes conventional switching functions and integrated Remote Monitoring (RMON) Universal Feature Card (UFC). The UFC allows simultaneously statistically monitoring the traffic on all ports, 100% monitoring of the traffic on one port, and monitoring the internal LAN Switch switching fabric to obtain RMON statistics about the operation of networks attached to the LAN Switch.
摘要翻译：局域网（LAN）交换机包括常规交换功能和集成远程监控（RMON）通用功能卡（UFC）。 UFC允许同时统计监控所有端口的流量，100％监控一个端口的流量，以及监控内部LAN交换结构，以获取有关连接到LAN交换机的网络操作的RMON统计信息。

24. 发明授权

US6026075A Flow control mechanism 失效
标题翻译：流量控制机构
公开(公告)号：US6026075A
公开(公告)日：2000-02-15
申请号：US806187
申请日：1997-02-25
申请人： John Walter Linville , Brad Alan Makrucki , Edward Stanley Suffern , Jeffrey Robert Warren
发明人： John Walter Linville , Brad Alan Makrucki , Edward Stanley Suffern , Jeffrey Robert Warren
IPC分类号： H04L12/56 , H04J3/14 , H04L12/413
CPC分类号： H04L49/50 , H04L49/351
摘要： Data bandwidth on a congested link of a Carrier Sense Multiple Access with Collision Detection (CSMA/CD) network, is controlled by a Pause MAC Frame which carries information identifying devices causing the problem on the link. The Recipient of the Pause MAC Frame can use the information to deactivate selected devices on the congested link. As a consequence, the data bandwidth is reduced without shutting down the link.
摘要翻译：具有冲突检测（CSMA / CD）网络的载波侦听多路访问（CSMA / CD）网络的拥塞链路上的数据带宽由暂停MAC帧控制，暂停MAC帧携带识别导致链路上的问题的设备的信息。暂停MAC帧的收件人可以使用该信息来停用拥塞链路上的所选设备。因此，在不关闭链路的情况下减少数据带宽。

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