CN103179202B - A kind of based on event driven network control module combined method - Google Patents
A kind of based on event driven network control module combined method Download PDFInfo
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- CN103179202B CN103179202B CN201310077956.7A CN201310077956A CN103179202B CN 103179202 B CN103179202 B CN 103179202B CN 201310077956 A CN201310077956 A CN 201310077956A CN 103179202 B CN103179202 B CN 103179202B
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Abstract
The invention discloses a kind of based on event driven network control module combined method, in the method, network control function realizes with the form of component by Network supplier, the component of Virtual network operator needed for user-defined Network demand selection, simultaneously, the combination realized each other by the mode of event communication between component and component externally provides function services, Virtual network operator adopts this network control module combined method can realize fine-grained network control and dynamic component upgrades, and reaches the object of flexible net control.
Description
Technical field
The present invention relates to software defined network technical field, particularly relate to a kind of based on event driven network control module combined method.
Background technology
The development of the Internet through decades obtains immense success, and it profoundly changes the life style of people.Along with the continuous expansion of internet scale and the variation day by day of network application demand, conventional internet exposes the outstanding problem that network architecture ossifys.Current in the urgent need to studying novel network architecture to support dissimilar network neatly.State, more direct and network that this means to apply needs to observe current network carry out alternately, and more control network behavior.
Address that need, researcher has carried out a series of trial, and wherein software defined network (SDN) attracts the participation of more and more researcher and tissue based on the thought that data surface and chain of command are separated.Software defined network require the forwarding of packet by open, control independent of the API of supplier, the network operating system controlling forward-path is visible and support programmable forwarding controlling functions to the network state overall situation, network operating system carries various network characterization, realized the network services such as such as Routing Protocol by them, realize network control function with this.
Consider the complexity that network control function realizes, up-to-date software defined network technology proposes the network control method of support module, certain facility is provided for Network supplier meets user-defined network demand, but these technology all do not consider that combination between network control module is with collaborative, can not realize the service call between network control module.
Summary of the invention
The present invention is conceived to the deficiency in existing network control technology, propose a kind of based on event driven network control module combined method, network control function is realized with the form of component, the component of small granularity service processing logic encapsulation can with other component synergism cooperation, by externally providing network control function flexibly to mutually calling of serving each other.
The present invention is achieved through the following technical solutions: a kind of based on event driven network control module combined method, comprises the following steps:
(1) network control function realizes with the form of component by Network supplier: component follows Component Modeling requirement to realize the encapsulation of network control function, adopt based on event driven method for processing business, Network Vendor-specific realizes various types of event and realizes corresponding event handling logic, and the combination between component is the transmission of Effect-based operation event and receives realization;
(2) Virtual network operator selects one group of component according to the network struction demand of user, and assigns component load instructions to the basic operation support platform of component;
(3) the basic operation support platform of component carries out safety certification to component load instructions, determines whether to load respective members, if loaded members, then enter step 4), otherwise inform that component will not load according to current residual network resource conditions;
(4) the basic operation support platform loaded members of component;
(5) target member list is sent to the basic operation support platform of component with the form of message event by service request component;
(6) the basic operation support platform of component confirms the running status of target member: the message event that the basic operation support platform of component is sent by analysis service request component, check the dependence between component according to element type, and confirm the running status of target member by component information table; If target member is current be in running status, then enter step 7; Otherwise cannot service be provided to service request component feedback target component is current;
(7) the basic operation support platform of component sends the component ID of event subscription service requester to target member with the form of message event, and target member is resolved message event and upgraded event subscription table;
(8) target member completes the certification of service request component;
(9) service request component sends event to target member, the event subscription service of request target component; Interface parameters required when target member process event subscription is served is comprised in the event that target member sends;
(10) target member processes event according to event type, and result is returned to service request component; Target member by parsing event, extracts the parameter needed for the service of corresponding thing, and offers thread and process event, after the treatment, result is returned to service request component with the form of message event.
The invention has the beneficial effects as follows, what the present invention proposed is a kind of based on event driven network control module combined method, is realized by network control function with the form of component, the component of Virtual network operator needed for user-defined Network demand selection.Simultaneously, the combination realized each other by the mode of event communication between component and component externally provides function services, Virtual network operator adopts this network control module combined method can realize fine-grained network control and dynamic component upgrades, and reaches the object of flexible net control.
Accompanying drawing explanation
Fig. 1 is the flow chart of present networks control module combined method.
Embodiment
Describe the present invention in detail with reference to the accompanying drawings below, beneficial effect of the present invention will be more obvious.
As shown in Figure 1, the present invention is based on event driven network control module combined method, comprise the steps:
Step 1: network control function realizes with the form of component by Network supplier.
Component follows Component Modeling requirement to realize the encapsulation of network control function, adopt based on event driven method for processing business, Network Vendor-specific realizes various types of event and realizes corresponding event handling logic, and the combination between component is the transmission of Effect-based operation event and receives realization.
Step 2: Virtual network operator selects one group of component according to the network struction demand of user, and assign component load instructions to the basic operation support platform of component.
Network struction demand refers to the functional requirement that the network that can meet its service needed that user needs to build should possess.
Step 3: the basic operation support platform of component carries out safety certification to component load instructions, determines whether to load respective members according to current residual network resource conditions, if loaded members, then enters step 4), otherwise inform that component will not load.
Step 4: the basic operation support platform loaded members of component.
Step 5: target member list is sent to the basic operation support platform of component with the form of message event by service request component.
Because service provides component just to start to identify service request component, and the default action taked the message event that unverified component sends is discard processing, so component will realize combination each other, first need to set up event subscription dependence, namely allow service provide component can be familiar with service request component.The basic operation support platform of component is the intermediary setting up dependence between component, so, the target member list providing event subscription to serve that self need will ask by service request component sends to the basic operation support platform of component with the form of message event, then enters step 6.
Step 6: the basic operation support platform of component confirms the running status of target member.
The message event that the basic operation support platform of component is sent by analysis service request component, checks the dependence between component according to element type, and confirms the running status of target member by component information table.If target member is current be in running status, then enter step 7; Otherwise cannot service be provided to service request component feedback target component is current.
Step 7: the basic operation support platform of component sends the component ID of event subscription service requester to target member with the form of message event, target member is resolved message event and upgraded event subscription table.
Step 8: target member completes the certification of service request component.
Now, the event subscription dependence between component is set up, target member can respond services request component send event subscription requests event.
Step 9: service request component sends event to target member, the event subscription service of request target component.
Interface parameters required when target member process event subscription is served is comprised in the event that target member sends.
Step 10: target member processes event according to event type, and result is returned to service request component.
Target member by parsing event, extracts the parameter needed for the service of corresponding thing, and offers thread and process event, after the treatment, result is returned to service request component with the form of message event.
Claims (1)
1., based on an event driven network control module combined method, it is characterized in that, comprise the following steps:
(1) network control function realizes with the form of component by Network supplier: component follows Component Modeling requirement to realize the encapsulation of network control function, adopt based on event driven method for processing business, Network Vendor-specific realizes various types of event and realizes corresponding event handling logic, and the combination between component is the transmission of Effect-based operation event and receives realization;
(2) Virtual network operator selects one group of component according to the network struction demand of user, and assigns component load instructions to the basic operation support platform of component;
(3) the basic operation support platform of component carries out safety certification to component load instructions, determines whether to load respective members, if loaded members, then enter step 4), otherwise inform that component will not load according to current residual network resource conditions;
(4) the basic operation support platform loaded members of component;
(5) the target member list providing event subscription to serve that self will ask by service request component sends to the basic operation support platform of component with the form of message event;
(6) the basic operation support platform of component confirms the running status of target member: the message event that the basic operation support platform of component is sent by analysis service request component, check the dependence between component according to element type, and confirm the running status of target member by component information table; If target member is current be in running status, then enter step 7; Otherwise cannot service be provided to service request component feedback target component is current;
(7) the basic operation support platform of component sends the component ID of event subscription service requester to target member with the form of message event, and target member is resolved message event and upgraded event subscription table;
(8) target member completes the certification of service request component;
(9) service request component sends event to target member, the event subscription service of request target component; Interface parameters required when target member process event subscription is served is comprised in the event that target member sends;
(10) target member processes event according to event type, and result is returned to service request component; Target member by parsing event, extracts the parameter needed for the service of corresponding thing, and offers thread and process event, after the treatment, result is returned to service request component with the form of message event.
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| CN102006329A (en) * | 2010-11-30 | 2011-04-06 | 中国人民解放军信息工程大学 | Link data transmission method |
| CN102098799A (en) * | 2011-01-26 | 2011-06-15 | 北京邮电大学 | Intelligent cognitive wireless network system for realizing heterogeneous network convergence |
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| US8737229B2 (en) * | 2008-07-11 | 2014-05-27 | Qualcomm Incorporated | Access mechanisms for base stations in heterogeneous access point networks |
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| CN102006329A (en) * | 2010-11-30 | 2011-04-06 | 中国人民解放军信息工程大学 | Link data transmission method |
| CN102098799A (en) * | 2011-01-26 | 2011-06-15 | 北京邮电大学 | Intelligent cognitive wireless network system for realizing heterogeneous network convergence |
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| 网络控制系统中不同节点驱动方式的时延研究;王宏文等;《计算机测量与控制》;20110630;1432-1434 * |
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