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PTN-OTN hybrid networking method and optical transport network architecture

A technology of optical transport network and hybrid networking, which is applied in the field of PTN-OTN hybrid networking method and optical transport network architecture, and can solve problems such as low service bearing efficiency and insufficient bandwidth at the aggregation layer

Active Publication Date: 2019-01-18
GUANGDONG PLANNING & DESIGNING INST OF TELECOMM
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Problems solved by technology

[0003] Based on SDH (Synchronous Digital Hierarchy, Synchronous Digital System) and other traditional transmission technologies, the traditional networking method mainly adopts TDM time division multiplexing crossover mode. For FE (Fast Ethernet, Fast Ethernet), GE (Gigabit Ethernet, Gigabit And larger granular IP-type large-bandwidth services, there will be problems of insufficient bandwidth at the aggregation layer and low service carrying efficiency

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  • PTN-OTN hybrid networking method and optical transport network architecture
  • PTN-OTN hybrid networking method and optical transport network architecture
  • PTN-OTN hybrid networking method and optical transport network architecture

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0036] The PTN-based optical transport network architecture and specific technology are: a layer is set between the IP (Internet Protocol, the protocol for interconnection between networks) service and the underlying optical transmission medium, which aims at the suddenness and statistics of packet service traffic It is designed for the requirements of multiplexing transmission, takes packet services as the core and supports multi-service provisioning, has lower TCO (Total Cost of Ownership, overall cost of use), and at the same time inherits the traditional advantages of optical transmission, inclu...

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Abstract

The invention relates to a PTN-OTN hybrid networking method and an optical transport network architecture. The method includes the steps: deploying an OTN device node at a core layer of the optical transport network, wherein the OTN device node deployed at the core layer gradually sinks to an convergence layer of the optical transport network as the bandwidth demand increases; selecting some nodesat the convergence layer as core nodes, and deploying the OTN device node and a PTN device node simultaneously at the selected core nodes; deploying the PTN device node at an access layer of the optical transport network, and enabling a communication device accessing to the access layer to access the core layer after being aggregated by the convergence layer. Through the solution of the invention, the method can improve the bandwidth capability of the aggregation layer and the service carrying efficiency.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a PTN-OTN hybrid networking method and an optical transmission network architecture. Background technique [0002] With the continuous acceleration of the communication network IP (Internet Protocol, the protocol for interconnection between networks), the new generation of optical transmission technology represented by OTN (Optical Transport Network, Optical Transport Network) and PTN (Packet Transport Network, Packet Transport Network) , is replacing the status of DWDM (Dense Wavelength Division Multiplexing) and MSTP (SDH-based multi-service transmission platform, Multi-ServiceTransfer Platform), and gradually becomes the main product of optical transmission. [0003] Based on SDH (Synchronous Digital Hierarchy, Synchronous Digital System) and other traditional transmission technologies, the traditional networking method mainly adopts TDM time division multiplexing crosso...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00H04B10/27
CPCH04B10/27H04B10/271H04Q11/0062H04Q2011/0079H04Q2011/0086
Inventor 张优训郭栋蚁泽纯张宇
Owner GUANGDONG PLANNING & DESIGNING INST OF TELECOMM
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