Flow table conversion method and device

A conversion method and flow table technology, applied in the network field, can solve the problems of increasing controller burden, controller management overhead, difficulty in implementation, complex multi-level flow table structure, and difficulty in flexibility.

Active Publication Date: 2013-08-21
罗三杰
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  • Abstract
  • Description
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Problems solved by technology

[0003] However, the complexity and flexibility of the multi-level flow table structure is difficult to achieve in hardware
In this way, the controller needs to adapt to the delivery rules of the hardware during the implementation process from software to hardware, which increases the burden on the controller and the management overhead of the controller.

Method used

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  • Flow table conversion method and device

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Embodiment Construction

[0100] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0101] Embodiments of the present invention provide a flow table conversion method, referring to figure 1 shown, including:

[0102] 101. In a network device architecture in which control and forwarding are separated, equivalently convert a multi-level flow table in the form of software into a single-level flow table in the form of software. Among them, the single-level flow table is a single-table multi-domain.

[0103] Specifically, the equivalence transfo...

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Abstract

The invention provides a flow table conversion method and device and relates to the technical field of networks. According to the flow table conversion method and device, in the achievement process from software to hardware, a controller does not need to fit in with an issuing rule of the hardware, and therefore burden of the controller and management expense are reduced. The flow table conversion method includes the following steps of converting a software-type multistage flow table into a software-type single-stage flow table in network equipment architecture with detached control and transmission in an equivalent mode, wherein the single-stage flow table is single-table multi-domain, and dividing the single-stage flow table into corresponding multi-stage flow tables of a hardware type based on the multi-stage flow table achieved by the hardware. The flow table conversion method and device is applied to flow table conversion.

Description

technical field [0001] The present invention relates to the field of network technology, in particular to a flow table conversion method and device. Background technique [0002] With the continuous development of new technologies for network equipment, network equipment has begun to shift to an architecture in which data forwarding and routing control are separated. Among them, OpenFlow is a typical network device architecture in which control and forwarding are separated, and has attracted widespread attention. Since the OpenFlow1.1 version, the concept of multi-level flow table pipeline level has been proposed. A complete matching flow is divided into different OpenFlow flow table entries according to the type of its matching field and associated with each other through metadata. The execution of the jump instruction obtained after each flow table lookup will trigger another flow table lookup until there is no jump instruction. However, in version 1.2 of OpenFlow, a Typ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/701
Inventor 丁万夫林程勇谢高岗关洪涛黄昆潘恒
Owner 罗三杰
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