Transporting stream client signals via packet interface using GFP mapping
    33.
    发明授权
    Transporting stream client signals via packet interface using GFP mapping 失效
    使用GFP映射通过分组接口传输流客户端信号

    公开(公告)号:US07583599B1

    公开(公告)日:2009-09-01

    申请号:US10952241

    申请日:2004-09-27

    CPC classification number: H04J3/1617 H04J2203/0082 Y10S370/907

    Abstract: A method and apparatus for transferring data traffic, such as in a SONET/SDH environment, is provided. Two designs are presented, each utilizing a dual device design, where one device performs GFP Framing and the other device performs GFP-T adaptation. The method and apparatus include a first device having a first device FIFO, the first device configured to receive data and assemble data into packets and transfer data across a packet interface when the first device FIFO contains more than N bytes. A second device comprises a second device FIFO, the second device configured to receive data packets from the packet interface and utilize a plurality of thresholds to maintain a quantity of data in the second device FIFO within a predetermined range. Depending on the design employed, control codes, such as 65B_PAD control codes, may be added in the first device under certain conditions to facilitate data transfer.

    Abstract translation: 提供了一种用于传送数据业务的方法和装置,例如在SONET / SDH环境中。 呈现了两种设计,每种都使用双重设备设计,其中一个设备执行GFP帧,另一个设备执行GFP-T适配。 所述方法和装置包括具有第一设备FIFO的第一设备,所述第一设备被配置为当所述第一设备FIFO包含多于N个字节时,接收数据并将数据组合成分组并且在分组接口上传送数据。 第二设备包括第二设备FIFO,第二设备被配置为从分组接口接收数据分组,并利用多个阈值将第二设备FIFO中的数据量维持在预定范围内。 根据所采用的设计,可以在特定条件下在第一设备中添加诸如65B_PAD控制码的控制代码以便于数据传送。

    Enhanced SDRAM bandwidth usage and memory management for TDM traffic
    35.
    发明授权
    Enhanced SDRAM bandwidth usage and memory management for TDM traffic 失效
    增强SDRAM带宽使用和TDM流量的内存管理

    公开(公告)号:US07460545B1

    公开(公告)日:2008-12-02

    申请号:US10867199

    申请日:2004-06-14

    CPC classification number: H04J3/062 H04J3/047 H04J2203/0094

    Abstract: A method and apparatus for managing memory for time division multiplexed high speed data traffic is provided. The method and apparatus utilize an interleaving approach in association with multiple memory banks, such as within SDRAM, to perform highly efficient data reading and writing. The design issues a first command or access command, such as a read command or write command to one memory bank, followed by an active command to a second memory bank, enabling efficient reading and writing in a multiple data flow environment, such as a SONET/SDH virtual concatenation environment using differential delay compensation.

    Abstract translation: 提供一种用于管理用于时分复用的高速数据业务的存储器的方法和装置。 该方法和装置利用与诸如SDRAM之类的多个存储体相关联的交织方法来执行高效的数据读写。 该设计向第一存储体发出第一命令或访问命令,例如读取命令或写入命令,随后向第二存储体发送有效命令,使得能够在诸如SONET的多数据流环境中进行有效的读取和写入 / SDH虚级联环境采用差分延迟补偿。

    Shared buffer for near-end and optical interface flow control in fiber optic communications
    36.
    发明申请
    Shared buffer for near-end and optical interface flow control in fiber optic communications 审中-公开
    用于光纤通信中的近端和光接口流控制的共享缓冲器

    公开(公告)号:US20070233894A1

    公开(公告)日:2007-10-04

    申请号:US11394979

    申请日:2006-03-31

    CPC classification number: H04J3/1617

    Abstract: A shared buffer for near-end and optical interface flow control in fiber optic communications is described. In one embodiment, the invention includes receiving data from a client as frames in a first format, storing the data in a addressable buffer, recording addresses for the end of each received frame, reading the stored data from the buffer for conversion to frames of a second format, and sending a ready signal to the client upon reading data stored at a recorded address for the end of a received frame.

    Abstract translation: 描述了用于光纤通信中的近端和光接口流控制的共享缓冲器。 在一个实施例中,本发明包括从客户端接收作为第一格式的帧的数据,将数据存储在可寻址缓冲器中,记录每个接收帧的结束的地址,从缓冲器读取存储的数据以转换为 并且在读取存储在所记录的地址上的数据以便接收的帧的结束时,向客户端发送就绪信号。

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