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    • 4. 发明授权
    • Maintaining information from a damaged frame by the receiver in a
communication link
    • 在通信链路中由接收器维护来自损坏帧的信息
    • US5422893A
    • 1995-06-06
    • US286060
    • 1994-08-04
    • Thomas A. GreggJoseph M. HokeAlbert IngChin Lee
    • Thomas A. GreggJoseph M. HokeAlbert IngChin Lee
    • G06F11/14H04L1/00G06F11/00
    • G06F11/1415H04L1/0083
    • A system and method for asynchronously transmitting data across fibers in a serial manner. Frames are provided as a mechanism to transmit associated data serially and tie the data being transmitted to a particular buffer set. Each buffer set maintains a state that keeps track of the progress and sequence of received frames. When transmission errors occur in the frames, the errors may affect only the information field and there is enough information in the header to identify the frame. A request can then be sent back to the other end of the fibers to retransmit the frame. Certain information in the frame header is not used to identify the frame, but is used to control the transfer of frames and identify lost frames. When a frame information field is damaged by transmission errors, this header information is retained by the receiver of the damaged frame. Retaining this information at the receiver of the damaged frame frees the sender for storing it during the transmission of each frame. Freeing the sender improves performance by removing steps for the normal error free transmission of frames.
    • 一种用于以串行方式跨光纤异步传输数据的系统和方法。 提供帧作为用于串行发送相关数据并将正被发送的数据绑定到特定缓冲器组的机制。 每个缓冲器组保持跟踪接收帧的进度和顺序的状态。 当帧中出现传输错误时,错误可能仅影响信息字段,并且报头中有足够的信息来识别帧。 然后可以将请求发送回到光纤的另一端以重新发送帧。 帧头中的某些信息不用于识别帧,而是用于控制帧的传输并识别丢失的帧。 当帧信息字段被传输错误损坏时,该标题信息被损坏帧的接收器保留。 在损坏的帧的接收机处保留该信息在发送每帧期间释放发送方存储它。 通过消除帧的正常无错误传输的步骤,释放发送方可提高性能。
    • 9. 发明授权
    • Shortened timeout period during frame retry in a communication link
    • 在通信链路中的帧重试过程中缩短超时时间
    • US5490152A
    • 1996-02-06
    • US286028
    • 1994-08-04
    • Thomas A. GreggJoseph M. HokeAlbert IngChin Lee
    • Thomas A. GreggJoseph M. HokeAlbert IngChin Lee
    • H04L1/00G08C25/02H04L1/18
    • H04L1/0083
    • A system and method for asynchronously transmitting data across fibers in a serial manner. Frames are provided as a mechanism to transmit associated data serially and tie the data being transmitted to a particular buffer set. Each outstanding request for each buffer set is individually timed to detect lost frames, and each buffer set maintains a state that keeps track of the progress and sequence of received frames. When transmission errors occur in the frames, the errors may affect only the information field and there is enough information in the header to identify the frame. A request can then be sent back to the other end of the fibers to retransmit the frame. In some instances, the frame cannot be retransmitted because the content of the data may have been changed by other operations in the systems. To speed recovery in these situations, the requester of the retransmitted frame sets a much shorter timer while waiting for the response since the retransmitted frame will be sent quickly, if at all.
    • 一种用于以串行方式跨光纤异步传输数据的系统和方法。 提供帧作为用于串行发送相关数据并将正被发送的数据绑定到特定缓冲器组的机制。 每个缓冲器组的每个未完成的请求被单独定时以检测丢失的帧,并且每个缓冲器组保持跟踪接收帧的进度和顺序的状态。 当帧中出现传输错误时,错误可能仅影响信息字段,并且报头中有足够的信息来识别帧。 然后可以将请求发送回到光纤的另一端以重新发送帧。 在某些情况下,由于数据的内容可能已被系统中的其他操作所改变,所以不能重新发送帧。 为了在这些情况下加速恢复,重传帧的请求者在等待响应时设置更短的定时器,因为重传的帧将被快速发送(如果有的话)。