OTN-based packet service non-destructive adjustment apparatus and method

Abstract

The invention, which relates to the technical field of the optical network communication, relates to an optical-transport-network (OTN)-based packet service non-destructive adjustment apparatus and method. A network management processing module is used for carrying out distribution on a flow increasing module or a flow reducing module for processing according to a received a service flow adjustment command; the flow increasing module is used for distributing rest of ODUK pipeline resources to all nodes to establish ODUK pipelines or establish new ODUK pipelines at all nodes; a flow reduction module is used for distributing ODUK pipelines needing to be reduced to each node and deciding to release the reduced ODUK pipelines; a packet processing module is used for adding the ODUK pipelines to an LAG member group or removing the ODUK pipelines out of an LAG member group; and a framing chip is used for completing increasing and releasing of the ODUK pipelines.

Description

technical field [0001] The invention relates to the technical field of optical network communication, in particular to an OTN-based packet service lossless adjustment device and method. Background technique [0002] The optical communication services carried by the traditional OTN (Optical Transport Network, Optical Transport Network), whether it is statistically multiplexed packet-switched services or circuit-switched time-division multiplexed Data unit) pipelines are all limited by the flow rate of the ODUK pipeline itself. In the current network, due to the large-scale application of statistical multiplexing packet switching services, the traffic of services will expand with time, so the ODUK pipeline may also increase accordingly. [0003] However, in the existing chip technology, the framing chip that establishes the ODUK pipeline cannot adjust the size of the ODUK pipeline at will. Generally, the adjustment of the pipeline size needs to be realized by deleting and bui...

AI Technical Summary

Problems solved by technology

[0003] However, in the existing chip technology, the framing chip that establishes the ODUK pipeline cannot adjust the size of the ODUK pipeline at will. Generally, the adjustment of the pipeline size needs to be realized by deleting and building services. At this time, the service interruption time is generally At about 1 second, it cannot meet the transmission requirements of the telecom level, and there is an adjustment loss

In addition, even though the standard ODUK framing chip can achieve non-destructive adjustment, the framing chip is expensive and can only adjust the ODUK pipeline it includes in a large OTUK pipeline, and cannot handle any OTUK between any OTUK. ODUK pipeline, less flexible and limited in use

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