Business requirement transformation and deployment method for SDN (Software Defined Network)

A network service and unified technology, applied in the direction of digital transmission system, electrical components, transmission system, etc., can solve problems such as the integration of network deployment process, and achieve the effect of conflict resolution

Active Publication Date: 2016-03-16
ZHEJIANG GONGSHANG UNIVERSITY
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the current programming language only realizes partial policy translati

Method used

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  • Business requirement transformation and deployment method for SDN (Software Defined Network)
  • Business requirement transformation and deployment method for SDN (Software Defined Network)
  • Business requirement transformation and deployment method for SDN (Software Defined Network)

Examples

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Embodiment

[0101] The following is an example of the traffic management, load balancing, and traffic auditing services of the network traffic of the College H of the University A to illustrate the process of business demand transformation and deployment methods.

[0102] Such as figure 1 As shown, the network topology of this embodiment consists of one core switch, two SDN switches S1 and S2, five servers, and several hosts / terminal devices. The whole network is divided into six network segments, network segment 1: network research institute (10.20.4.0 / 24); network segment 2: graduate laboratory (10.20.5.0 / 24); network segment 3: cloud laboratory (10.20.6.0 / 24); network segment 4: cloud lab server group (10.20.7.0 / 24). The 4 servers in network segment 4 are used to run the cloud lab operating system. Network segment 5: audit server (10.20.8.0 / 24), which can selectively back up data packets according to the administrator's needs for post-event auditing. Network segment 6: data server ...

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Abstract

The invention discloses a business requirement transformation and deployment method for a SDN (Software Defined Network). The method mainly comprises the following steps: 1) a service function chain is built according to network business requirements raised by a user; 2) a local controller reports resource conditions of a bottom network node to a root controller; 3) the root controller designs a service function instance chain; 4) each service function instance is analyzed to be a multistate network strategy selection mechanism; 5) according to the current network state, the root controller selects a proper network strategy to be issued to a corresponding local controller; 6) the local controller combines instances from different service function instance chains on the same network node; 7) the local controller transforms a complicated condition strategy in the same network strategy into a plurality of simple condition strategies; 8) the local controller compiles the combined strategy into an OpenFlow flow table; and 9) the local controller issues the flow table to the bottom network nodes, and the strategy is deployed.

Description

technical field [0001] The present invention relates to SDN (Software Defined Network, software defined network) network policy management, in particular to a business requirement transformation and deployment method that simplifies SDN programming. Background technique [0002] The existing network architecture is huge and complex, and the complexity of network management and deployment is high, which forms a sharp contradiction with the increasing network scale and user needs. Software Defined Networking (SDN) proposes a new type of network architecture. One of its basic features is to use open and standard interfaces, such as OpenFlow and ForCES (ForwardingandControlElementSeparation), to replace the private configuration syntax of each device supplier. , in order to achieve the purpose of simplifying network configuration tasks, which provides a new solution for future network management. [0003] SDN is a new type of network architecture whose goal is to simplify netwo...

Claims

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Application Information

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IPC IPC(8): H04L12/24
CPCH04L41/0823H04L41/0889
Inventor 董黎刚费硕成王伟明郭凯强张华飞
Owner ZHEJIANG GONGSHANG UNIVERSITY
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