Open Flow protocol framework based on mobile communication network and service separated processing method
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A technology of openflow protocol and mobile communication network, applied in the field of mobile communication network
Active Publication Date: 2013-09-25
BEIJING UNIV OF POSTS & TELECOMM
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[0006] Aiming at the deficiencies of the prior art, the present invention provides an OpenFlow protocol architecture and a service fragmentation processing method for mobile communication networks, and solves the problem of applying OpenFlow to the Open RAN architecture for the fragmentation of different services in the mobile communication network
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Embodiment 1
[0050] Such as figure 1 and figure 2 As shown, a kind of OpenFlow protocol framework for mobile communication network, comprises following modules: controller module, resource pool module, core network module, service node module and terminal module, controller module, core network module, service node module and terminal The module blocks are connected in sequence, and the controller module is connected to the resource pool module;
[0051] in,
[0052] Controller module: realize the task of network management, specifically configure and manage each gateway, receive messages from the terminal module, and control the sending of data streams from the gateway;
[0053] Resource pool module: provide the controller module with different observations and abstract analysis of network physical resources, and allocate resources to the terminal module according to different service quality requirements of the terminal module; wherein, the observation and abstract analysis are realiz...
Embodiment 2
[0081] Such as Figure 6 As shown, the data packets processed by the controller module are processed in the form of streams. For the establishment of each stream, it will first be sent to the controller module to be processed by an appropriate application.
[0082] For a standard flow, when the flow passes through the service node module but no matching flow entry is found, it will be forwarded to the controller module through a Packet-in message. Then the application on the controller module will use the flow information to decide the behavior of the flow.
[0083] Such as Figure 7 As shown, the voice service VoIP is taken as an example to illustrate the establishment of the GBR service.
[0084] 1) First, the controller module will communicate with the relevant gateway in the core network module through the OpenFlow protocol.
[0085] 2) In the phase of synchronization and initialization, the terminal module will search for available service node modules around and try t...
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Abstract
The invention provides an Open Flow protocol framework based on a mobile communication network, and relates to the field of mobile communication networks. The framework comprises a controller module, a resource pool module, a core network module, a service node module and a terminal module, wherein the control module, the core network module, the service node module and the terminal module are connected in sequence, and the controller module is connected with the resource pool module. The invention further provides a service separated processing method of the Open Flow protocol framework based on the mobile communication network. Based on the separation problem of different services in the mobile communication network, the purpose that the Open Flow protocol framework is applied to an Open RAN framework is achieved, and the mobile communication network is made to be more open and adaptive to different services to meet service requirements which are more and more complex in the network environment.
Description
technical field [0001] The invention relates to the field of mobile communication networks, in particular to an OpenFlow protocol framework and a service fragmentation processing method for mobile communication networks. Background technique [0002] With the rapid development of mobile communication networks, people's requirements for data transmission quality are constantly improving, the network scale is also increasing, and the network architecture is becoming more and more complex. How to use the existing technology to realize technological innovation and create a faster, more efficient and more reliable communication network system is particularly important. OpenFlow was first proposed by Nick Mckeown of Stanford University as a revolutionary and innovative technology for the traditional Internet. With OpenFlow, Software Defined Network (SDN) can be realized, and it has more flexible packet processing, packet classification, and supports packet header compression and ...
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