Optical burst transport network, node, transmission method and computer storage medium

    公开(公告)号:US10231037B2

    公开(公告)日:2019-03-12

    申请号:US15113277

    申请日:2014-07-23

    申请人: ZTE CORPORATION

    摘要: Disclosed are an optical burst transport network, a node, a transmission method and a computer storage medium. The method comprises: measuring, by a master node, the network ring length of an OBTN, and according to a measurement result, calculating the length of a data frame, the number of time slots in the data frame, the length of the time slots and the guard interval of the time slots; according to the calculated length of the data frame, the number of time slots in the data frame, the length of the time slots and the guard interval of the time slots, sending a testing data frame and a testing control frame to a slave node to conduct frame synchronization training and time slot synchronization training; according to a result of the frame synchronization training and a result of the time slot synchronization training, sending, by the master node, a data frame and a bandwidth map to the slave node; and according to a bandwidth request sent from the node, generating, by the master node, a new bandwidth map, and sending the new bandwidth map to the slave node.

    Data mapping method and device for optical transport network

    公开(公告)号:US09948397B2

    公开(公告)日:2018-04-17

    申请号:US14432262

    申请日:2013-08-22

    申请人: ZTE Corporation

    IPC分类号: H04J14/02 H04B10/27 H04J3/16

    CPC分类号: H04B10/27 H04J3/1664

    摘要: A data mapping method and a data mapping device for an optical transport network are provided. The method includes: mapping packet service data or constant bit rate data to a Super Optical Channel Data Unit (ODUS) and mapping the ODUS to a Super Optical Channel Transport Unit (OTUS); distributing the OTUS to a plurality of electrical lane signals, dividing the plurality of electrical lane signals into one or more groups and mapping the one or more groups of electrical lane signals to corresponding Super Optical Channels (OChSi), wherein rates of the ODUS and the OTUS are both N times of 100 Gb/s, a rate of the OChSi is M times of 100 Gb/s, tributary slot sizes of the ODUS and the OTUS are both 100 Gb/s, where N is a positive integer equal to or greater than 2, i is a positive integer, and M is a positive integer equal to or greater than 1 but less than N. The present document enables an operator to deploy a beyond-100 G optical transmission system more flexibly, without being limited to select a fixed rate, and improves the spectrum utilization rate of fiber as well as the flexibility and the compatibility of a system.

    TRANSMISSION METHOD FOR AN OPTICAL BURST TRANSPORT NETWORK, SLAVE NODE, AND COMPUTER STORAGE MEDIUM

    公开(公告)号:US20190149898A1

    公开(公告)日:2019-05-16

    申请号:US16245297

    申请日:2019-01-11

    申请人: ZTE CORPORATION

    摘要: The disclosure provides a transmission method for an Optical Burst Transport Network (OBTN), a slave node and computer storage medium. The transmission method includes that: a slave node performs frame synchronization training and timeslot synchronization training according to a test data frame and test control frame transmitted by a master node, and transmits a result of the frame synchronization training and a result of the timeslot synchronization training to the master node; and the slave node controls reception and transmission of each timeslot in a data frame according to a bandwidth map transmitted by the master node as well as the result of the frame synchronization training and the result of the timeslot synchronization training, and transmits a request for bandwidth to the master node, wherein the test data frame and the data frame are transmitted through a data channel, the test control frame is transmitted through a control channel, and the control channel and the data channel are independent of each other.

    Transmission method for an optical burst transport network, slave node, and computer storage medium

    公开(公告)号:US11128940B2

    公开(公告)日:2021-09-21

    申请号:US16245297

    申请日:2019-01-11

    申请人: ZTE CORPORATION

    摘要: The disclosure provides a transmission method for an Optical Burst Transport Network (OBTN), a slave node and computer storage medium. The transmission method includes that: a slave node performs frame synchronization training and timeslot synchronization training according to a test data frame and test control frame transmitted by a master node, and transmits a result of the frame synchronization training and a result of the timeslot synchronization training to the master node; and the slave node controls reception and transmission of each timeslot in a data frame according to a bandwidth map transmitted by the master node as well as the result of the frame synchronization training and the result of the timeslot synchronization training, and transmits a request for bandwidth to the master node, wherein the test data frame and the data frame are transmitted through a data channel, the test control frame is transmitted through a control channel, and the control channel and the data channel are independent of each other.

    OPTICAL BURST TRANSPORT NETWORK, NODE, TRANSMISSION METHOD AND COMPUTER STORAGE MEDIUM
    6.
    发明申请
    OPTICAL BURST TRANSPORT NETWORK, NODE, TRANSMISSION METHOD AND COMPUTER STORAGE MEDIUM 审中-公开
    光学运输网络,节点,传输方法和计算机存储介质

    公开(公告)号:US20170006362A1

    公开(公告)日:2017-01-05

    申请号:US15113277

    申请日:2014-07-23

    申请人: ZTE CORPORATION

    摘要: Disclosed are an optical burst transport network, a node, a transmission method and a computer storage medium. The method comprises: measuring, by a master node, the network ring length of an OBTN, and according to a measurement result, calculating the length of a data frame, the number of time slots in the data frame, the length of the time slots and the guard interval of the time slots; according to the calculated length of the data frame, the number of time slots in the data frame, the length of the time slots and the guard interval of the time slots, sending a testing data frame and a testing control frame to a slave node to conduct frame synchronization training and time slot synchronization training; according to a result of the frame synchronization training and a result of the time slot synchronization training, sending, by the master node, a data frame and a bandwidth map to the slave node; and according to a bandwidth request sent from the node, generating, by the master node, a new bandwidth map, and sending the new bandwidth map to the slave node.

    摘要翻译: 公开了一种光突发传输网络,节点,传输方法和计算机存储介质。 该方法包括:由主节点测量OBTN的网络环长度,并且根据测量结果,计算数据帧的长度,数据帧中的时隙数,时隙的长度 和时隙的保护间隔; 根据数据帧的计算长度,数据帧中的时隙数,时隙的长度和时隙的保护间隔,向从属节点发送测试数据帧和测试控制帧,以 进行帧同步训练和时隙同步训练; 根据帧同步训练的结果和时隙同步训练的结果,由主节点向从节点发送数据帧和带宽图; 并根据从节点发送的带宽请求,由主节点生成新的带宽图,并将新的带宽图发送到从节点。

    DATA MAPPING METHOD AND DEVICE FOR OPTICAL TRANSPORT NETWORK
    7.
    发明申请
    DATA MAPPING METHOD AND DEVICE FOR OPTICAL TRANSPORT NETWORK 有权
    光学传输网络的数据映射方法和设备

    公开(公告)号:US20150256258A1

    公开(公告)日:2015-09-10

    申请号:US14432262

    申请日:2013-08-22

    申请人: ZTE Corporation

    IPC分类号: H04B10/27

    CPC分类号: H04B10/27 H04J3/1664

    摘要: A data mapping method and a data mapping device for an optical transport network are provided. The method includes: mapping packet service data or constant bit rate data to a Super Optical Channel Data Unit (ODUS) and mapping the ODUS to a Super Optical Channel Transport Unit (OTUS); distributing the OTUS to a plurality of electrical lane signals, dividing the plurality of electrical lane signals into one or more groups and mapping the one or more groups of electrical lane signals to corresponding Super Optical Channels (OChSi), wherein rates of the ODUS and the OTUS are both N times of 100 Gb/s, a rate of the OChSi is M times of 100 Gb/s, tributary slot sizes of the ODUS and the OTUS are both 100 Gb/s, where N is a positive integer equal to or greater than 2, i is a positive integer, and M is a positive integer equal to or greater than 1 but less than N. The present document enables an operator to deploy a beyond-100 G optical transmission system more flexibly, without being limited to select a fixed rate, and improves the spectrum utilization rate of fiber as well as the flexibility and the compatibility of a system.

    摘要翻译: 提供了一种用于光传输网络的数据映射方法和数据映射设备。 该方法包括:将分组业务数据或恒定比特率数据映射到超光信道数据单元(ODUS),并将ODUS映射到超光信道传输单元(OTUS); 将所述OTUS分配到多个电通道信号,将所述多个电通道信号分成一组或多组,并将所述一组或多组电通道信号映射到相应的超光通道(OChSi),其中所述ODUS和 OTUS都是100Gb / s的N倍,OChSi的速率是100Gb / s的M倍,ODUS和OTUS的支路时隙大小都是100Gb / s,其中N是等于或等于 大于2,i是正整数,M是等于或大于1但小于N的正整数。本文档使操作员能够更灵活地部署超100G光传输系统,而不限于 选择固定速率,提高光纤的频谱利用率以及系统的灵活性和兼容性。