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OAM protocol encapsulation method, system and epon access network based on software-defined network

A software-defined network and protocol encapsulation technology, applied in the field of communication, can solve problems such as OAM protocol incompatibility

Active Publication Date: 2019-07-09
荆州市铭智工业自动化控制有限公司
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  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the shortcomings of the prior art described above, the object of the present invention is to provide a software-defined network-based OAM protocol encapsulation method, system and EPON access network, by adopting the extended OAM protocol to solve the problem of software-defined EPON in the prior art The problem of incompatibility between the flow table protocol of Openflow and the OAM protocol in the access network

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[0021] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0022] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the compo...

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Abstract

The invention provides a software defined network based OAM protocol encapsulation method. The method comprises following steps that an OAM control unit acquires Openflow version information of an optical network unit and expands an OAM protocol to generate an expanded OAM protocol; the OAM control unit establishes a flow table control protocol channel with an OAM exchange unit in the optical network unit according to the expanded OAM protocol; and the OAM control unit sends a control message to the optical network unit according to the expanded OAM protocol. The invention also provides a software defined network based OAM protocol encapsulation system and Ethernet passive optical network (EPON) access network, which can use the OAM protocol encapsulation method. Through adoption of the OAM protocol encapsulation method and system for the software defined network based EPON access network, the Openflow flow table control protocol can work in the OAM protocol in the software defined EPON access network, so that the OAM protocols working in different protocol layers can be compatible with the openflow protocol.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a software-defined network-based OAM protocol encapsulation method, system and EPON access network. Background technique [0002] In the prior art, the software-defined EPON access network technology introduces the OAM Controller control unit into the OLT (Optical Line Terminal), and introduces the OAM switching unit into the ONU (Optical Network Unit) optical network unit to realize the access node Separation of forwarding and control. However, at present, the second-layer protocol Ethernet OAM is used for remote management between the optical line terminal and the optical network unit, and the fourth-layer Openflow transmission protocol is used for flow table control in the software-defined EPON access network. The two protocols work in different The protocol level and encapsulation format are also incompatible, so the flow table control protocol cannot be direc...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24
CPCH04L41/0226
Inventor 吴睿
Owner 荆州市铭智工业自动化控制有限公司
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