Implementation method and system for software-defined network-based forwarding based on application layer

A software-oriented and implementation method technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as the inability of flow tables to meet, and achieve the effect of improving network service quality assurance

Active Publication Date: 2019-01-04
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the current flow table cannot meet the above requirements

Method used

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  • Implementation method and system for software-defined network-based forwarding based on application layer
  • Implementation method and system for software-defined network-based forwarding based on application layer
  • Implementation method and system for software-defined network-based forwarding based on application layer

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Embodiment Construction

[0048] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0049] The embodiment of the present invention provides a software-defined network-oriented implementation method based on application layer forwarding, which includes the following steps:

[0050] Based on the application layer information forwarding and the matching of the layer 2 to layer 4 protocol headers, the SDN-oriented flow table is designed, and the flow table in the SDN architecture is expanded to the application layer;

[0051] After the flow table design is completed, the data is forwarded through the above-mentioned SDN-oriented flow table, and it supports both traditional two to four layer forwarding and application layer forwarding.

[0052] When designing the flow table in the embodiment of the present invention, not only the matching of the layer 2 to the layer 4 protocol headers is considered, but also the consideration of forwarding bas...

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PUM

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Abstract

The invention discloses a realization method and system for a software defined networking based on application layer forwarding and relates to the field of software defined networking (SDN). The method comprises following steps: a flow chart for SDN is designed on the basis of application layer information forwarding and protocol packet header of a second layer to a fourth layer matching; the flow chart in the SDN frame is expanded to the application layer; matching fields of the flow chart for the SDN comprises one or more matching unit and each matching unit is defined by a quintuple wherein the quintuple comprises five fields: "position", "length", "data characteristic", "data information", and "mask scope"; after the flow charge is designed, through the flow chart data forwarding for the SDN, the forwarding based on the traditional second to fourth layer and the application layer are simultaneously supported. By use of the method and system, forwarding based on the traditional second to fourth layer and forwarding based on the application layer are simultaneously supported.

Description

Technical field [0001] The present invention relates to the field of software-defined networks, in particular to a method and system for realizing software-defined networks based on application layer forwarding. Background technique [0002] The Internet has now become the world's most extensive and largest global infrastructure with a sea of ​​information and knowledge. At the same time, the Internet has become a powerful information acquisition tool that people cannot leave, and it plays an extremely important role in people's work and life. On the other hand, there are many problems and challenges in the development of the Internet. The Internet's architecture has problems such as high complexity, poor scalability, strong dependence on hardware devices, and weak virtualization capabilities. However, users’ requirements for network applications are: high efficiency, intelligence, openness, flexibility, and low cost. The contradiction between demand and the services currently ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/715
CPCH04L45/04
Inventor 戴锦友余少华汪学舜
Owner FENGHUO COMM SCI & TECH CO LTD
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