CN104641606B - The method and virtual network management entity of Internet resources equilibrium treatment - Google Patents
The method and virtual network management entity of Internet resources equilibrium treatment Download PDFInfo
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Abstract
The embodiment of the present invention provides a kind of method and virtual network management entity of Internet resources equilibrium treatment, is related to the communications field, there is provided coping mechanism when a kind of Internet resources are extra-heavy, solves the problems, such as effectively to manage resource.Its method is：Virtual network management entity obtains the virtual network burst information of all interchangers managed, when there is controller to send new flow table burst, determine whether to send new flow table burst to the interchanger according to the network burst information for analyzing controlled interchanger, if being unsatisfactory for preset strategy, new flow table burst is sent to meeting on a certain interchanger of preset strategy；Or the information for analyzing existing flow table burst on controlled interchanger can also be actively triggered in the case of not new flow table burst, and determine whether to carry out reassignment processing to the existing flow table burst of the interchanger.The embodiment of the present invention is used for the management of virtual network resource.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of method of Internet resources equilibrium treatment and virtual network management are in fact
Body.
Background technology
Expanded rapidly with the scale of internet, the diversity and complexity of network service also become more and more higher, existing
Routing mechanism it is too too fat to move can not support quickly to update, weak controllability severe constraints network manager in network to going out
The quick-reaction capability of existing problem.Moreover, switching equipment is as the key node in network, in the monopolization of existing equipment provider
Under open interface it is extremely limited, many open ideas and agreement in network can not all carry out test and validation.
Therefore, a kind of new network exchange model OpenFlow is as a set of open interface, the exchange marks of the more controls of support
Standard is arisen at the historic moment.OpenFlow interchangers include flow table (Flow Table), escape way (Secure Channel) and
OpenFlow agreements.Wherein, flow table stores most crucial information, including matching domain field (match field), counter
(counters) and instruction set (instructions), different manufacturers can be according to the streams of respective Demand Design Various Functions
Table, flow table can realize that function, the OpenFlow interchangers such as lookup, forwarding, statistics and filtering are passed through by OpenFlow agreements
Escape way is connected to peripheral control unit, and the controller is used to flow table is inquired about and managed.
At present, the technology (such as FlowVisor) of virtual network management entity, on the basis of existing OpenFlow frameworks
On provide a kind of technology of network virtualization, virtual network management entity by using network burst mode, in controller
Network virtualization is realized between switching equipment.Virtual network management entity is built upon the network virtual on OpenFlow
Change platform, physical network can be divided into multiple logical network by it, so as to realize that Freeware defines network (SDN, Software
Defined Network).It is provided for keeper defines rule to manage network, rather than by adjusting router extensively
Network is managed with interchanger.Virtual network management entity is as saturating between OpenFlow interchangers and OpenFlow controllers
The Ming Dynasty manages, network structure between OpenFlow interchangers, controller and virtual network management entity can with as shown in figure 1,
Virtual network management entity is connected with 1~n of controller, 1~n of interchanger respectively, for the angle of controller, thinks that oneself connects
What is connect is real switching equipment；And for switching equipment, then think oneself connection is real controller.It is actual
On, either controller or switching equipment, connection is all virtual network management entity.Virtual network management entity is controlling
The function of switching equipment and controller is each acted as between device and switching equipment, while analyzes OpenFlow protocol massages, and is led to
Cross and flow table is analyzed, different controller and switching equipment are then connected for these OpenFlow protocol integrated test systems messages.
Such benefit is that same switching equipment can essentially be connected on multiple different controllers, that is to say, that
Multiple controllers can control the message on this switching equipment.Meanwhile a control device can also pass through this virtual network pipe
Entity is managed to control multiple switching equipment.The transmission data of bottom are controlled by way of burst (Slicing)
Device processing processed, realizes network virtualization.But virtual network management entity is realized simply by network data burst at present
Virtualization to network, but current virtual network management entity does not have resource management function, does not have Internet resources overburden
When coping mechanism.
The content of the invention
This embodiments of the invention provides a kind of method and virtual network management entity of Internet resources equilibrium treatment, there is provided
A kind of method of Internet resources equilibrium treatment, solves the problems, such as effectively to manage resource.
To reach above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
First aspect, there is provided a kind of method of Internet resources equilibrium treatment, methods described include：
The network burst information of all interchangers connected is obtained, the network burst information includes existing in interchanger
The information of flow table burst and the flow information of interchanger；
According to the network burst information of the first interchanger, the new flow table burst that is sent to the first controller and/or described
The existing flow table burst of first interchanger carries out reassignment processing；First controller controls first interchanger.
With reference in a first aspect, in the first possible implementation, in the network burst information according to the interchanger,
The new flow table burst and/or the existing flow table burst of first interchanger sent to the first controller carries out reassignment processing
Also include before：
The flow table modification message that first controller is sent is received, the flow table modification message carries the new stream
Table burst.
With reference to the first possible implementation of first aspect, in second of possible implementation, according to described
The network burst information of first interchanger, the new flow table burst and/or first interchanger sent to the first controller is
Some flow table bursts, which carry out reassignment processing, to be included：
Flow information in the network burst information of first interchanger is analyzed, is according to preset strategy determination
It is no that the new flow table burst is assigned to first interchanger；
If it is determined that the new flow table burst is assigned to first interchanger, then directly by the new flow table burst
Send to first interchanger；Or
If it is determined that the new flow table burst is not assigned into first interchanger, then the new flow table burst is sent out
Deliver to second switch.
With reference to second of possible implementation of first aspect, in the third possible implementation, however, it is determined that no
The new flow table burst is assigned to first interchanger, then sent by the new flow table burst to second switch
Also include before methods described：
Flow table is sent to first interchanger and deletes message, so as to by the existing flow table burst of first interchanger
In part flow table burst delete；
Described send the new flow table burst to second switch includes：
The new flow table burst is combined into transmission to institute with deleted flow table burst in first interchanger
State second switch.
With reference to the second of first aspect or the third possible implementation, in the 4th kind of possible implementation, institute
The flow information stated in the network burst information to first interchanger is analyzed, and is determined whether according to preset strategy by institute
Stating new flow table burst and being assigned to first interchanger includes：
Flow information in the network burst information of first interchanger is analyzed, if first interchanger
Flow shared by existing flow table burst is more than or equal to preset flow threshold value, it is determined that does not distribute the new flow table burst
To the interchanger；If the flow shared by the existing flow table burst of first interchanger is less than the preset flow threshold value,
Then determine the new flow table burst being assigned to first interchanger；
Flow shared by the existing flow table burst of the second switch is less than the preset flow threshold value, described default
Flow threshold is flow percentage threshold value, or is total flow threshold value.
With reference in a first aspect, in the 5th kind of possible implementation, believed according to the network burst of first interchanger
Breath, reassignment processing is carried out to the existing flow table burst of first interchanger to be included：
Actively triggering is analyzed the flow information in the network burst information of first interchanger, according to default plan
Slightly determine whether to carry out reassignment processing to the existing flow table burst of first interchanger；
If it is determined that reassignment processing is carried out to the existing flow table burst of first interchanger, then to first interchanger
Send flow table and delete message, so that the part flow table burst in the existing flow table burst by first interchanger is deleted；
Deleted flow table burst in first interchanger is sent to the second switch.
With reference to the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation, the active
Triggering is analyzed the flow information in the network burst information of first interchanger, is determined whether pair according to preset strategy
The existing flow table burst of first interchanger, which carries out reassignment processing, to be included：
Actively triggering is analyzed the flow information in the network burst information of first interchanger, if described first
Flow shared by the existing flow table burst of interchanger is more than or equal to preset flow threshold value, it is determined that to first interchanger
Existing flow table burst carries out reassignment processing；If the flow shared by the existing flow table burst of first interchanger is less than institute
State preset flow threshold value, it is determined that reassignment processing is not carried out to the existing flow table burst of first interchanger；
Flow shared by the existing flow table burst of the second switch is less than the preset flow threshold value, described default
Flow threshold is flow percentage threshold value, or is total flow threshold value.
With reference in a first aspect, in the 7th kind of possible implementation, the net for obtaining all interchangers connected
Network burst information includes：
Periodically obtain the network burst information of all interchangers connected.
Second aspect, there is provided a kind of virtual network management entity, the virtual network management entity include：
Information acquisition unit, for obtaining the network burst information of all interchangers connected, the network burst letter
Breath includes the flow information of the information of existing flow table burst and interchanger in interchanger, and network burst information is sent to flow table
Processing unit；
Flow table processing unit, for receiving the network burst information of described information acquiring unit transmission, exchanged according to first
The network burst information of machine, the new flow table burst sent to the first controller and/or the existing flow table of the first interchanger
Burst carries out reassignment processing；First controller controls first interchanger.
With reference to second aspect, in the first possible implementation, the virtual network management entity also includes：
Receiving unit, message is changed for receiving the flow table that first controller is sent, the flow table modification message is taken
With the new flow table burst.
With reference to the first possible implementation of second aspect, in second of possible implementation, the flow table
Processing unit includes：
Analytic unit, analyzed for the flow information in the network burst information to first interchanger, according to
Preset strategy determines whether the new flow table burst being assigned to first interchanger；
Flow table allocation unit, if determining that the new flow table burst is assigned into described first hands over for the analytic unit
Change planes, then directly send the new flow table burst to first interchanger；Or
Determine the new flow table burst not to be assigned into institute if the flow table allocation unit is additionally operable to the analytic unit
The first interchanger is stated, then is sent the new flow table burst to second switch.
With reference to second of possible implementation of second aspect, in the third possible implementation, the flow table
Processing unit also includes：
Unit is deleted, message is deleted for sending flow table to first interchanger, so as to by first interchanger
Part flow table burst in existing flow table burst is deleted；
The flow table allocation unit is additionally operable to deleted stream in the new flow table burst and first interchanger
Table burst combines transmission to the second switch.
With reference to the second of second aspect or the third possible implementation, in the 4th kind of possible implementation, institute
Analytic unit is stated to be specifically used for：
Flow information in the network burst information of first interchanger is analyzed, if first interchanger
Flow shared by existing flow table burst is more than or equal to preset flow threshold value, it is determined that does not distribute the new flow table burst
To the interchanger；If the flow shared by the existing flow table burst of first interchanger is less than the preset flow threshold value,
Then determine the new flow table burst being assigned to first interchanger；
Flow shared by the existing flow table burst of the second switch is less than the preset flow threshold value, described default
Flow threshold is flow percentage threshold value, or is total flow threshold value.
With reference to second aspect, in the 5th kind of possible implementation, the flow table processing unit includes：
The analytic unit, trigger to enter the flow information in the network burst information of first interchanger for active
Row analysis, determines whether to carry out reassignment processing to the existing flow table burst of first interchanger according to preset strategy；
The flow table allocation unit, if for the analytic unit if it is determined that to the existing flow table of the first interchanger point
Piece carries out reassignment processing, then to first interchanger send flow table delete message, so as to by first interchanger
Part flow table burst in some flow table bursts is deleted；
The flow table allocation unit is additionally operable to send deleted flow table burst in the first interchanger to described second and handed over
Change planes.
With reference to the 5th kind of possible implementation of second aspect, in the 6th kind of possible implementation, the analysis
Unit is specifically used for：
Actively triggering is analyzed the flow information in the network burst information of first interchanger, if described first
Flow shared by the existing flow table burst of interchanger is more than or equal to preset flow threshold value, it is determined that to first interchanger
Existing flow table burst carries out reassignment processing；If the flow shared by the existing flow table burst of first interchanger is less than institute
State preset flow threshold value, it is determined that reassignment processing is not carried out to the existing flow table burst of first interchanger；
Flow shared by the existing flow table burst of the second switch is less than the preset flow threshold value, described default
Flow threshold is flow percentage threshold value, or is total flow threshold value.
With reference to second aspect, in the 7th kind of possible implementation, described information acquiring unit is specifically used for：
Periodically obtain the network burst information of all interchangers connected.
The embodiment of the present invention provides a kind of method and virtual network management entity of Internet resources equilibrium treatment, obtains first
The virtual network burst information for all interchangers that virtual network management entity is managed, when having controller to virtual network management
When entity sends new flow table burst, virtual network management entity according to the network burst information for analyzing controlled interchanger come
Determine whether to send new flow table burst to the interchanger, if analysis result is unsatisfactory for preset strategy, by new flow table
Burst is sent to meeting on a certain interchanger of preset strategy；Or virtual network management entity can also be in not new stream
Actively the information of existing flow table burst on controlled interchanger is analyzed in triggering in the case of table burst, and according to preset strategy
Determine whether to carry out reassignment processing to the existing flow table burst of the interchanger, there is provided when a kind of Internet resources are extra-heavy
Coping mechanism, Internet resources burst on demand is realized, solve the problems, such as effectively to manage resource.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of virtual network in the prior art；
Fig. 2 is a kind of schematic flow sheet of the method for Internet resources equilibrium treatment provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic flow sheet of the method for Internet resources equilibrium treatment provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic flow sheet of the method for Internet resources equilibrium treatment provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic flow sheet of the method for Internet resources equilibrium treatment provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of virtual network management entity provided in an embodiment of the present invention；
Fig. 7 is a kind of structural representation of virtual network management entity provided in an embodiment of the present invention；
Fig. 8 is a kind of structural representation of virtual network management entity provided in an embodiment of the present invention；
Fig. 9 is a kind of structural representation of virtual network management entity provided in an embodiment of the present invention；
Figure 10 is the structural representation of another virtual network management entity provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of method of Internet resources equilibrium treatment, as shown in Fig. 2 this method includes：
101st, the network burst information of all interchangers connected is obtained, network burst information includes existing in interchanger
The information of flow table burst and the flow information of interchanger.
Wherein, the network burst information for obtaining all interchangers is periodically to obtain.
102nd, according to the network burst information of the first interchanger, the new flow table burst that is sent to the first controller and/or
The existing flow table burst of first interchanger carries out reassignment processing；First controller controls the first interchanger.
Wherein, before step 102, this method can also include：The flow table modification message of the first controller transmission is received,
Flow table modification message carries new flow table burst.
In addition, in the case of alternatively possible, if virtual network management entity does not receive the new of controller transmission
Flow table burst, the flow information that can also actively trigger in the network burst information to interchanger are analyzed and to interchanger
Existing flow table burst carries out reassignment processing.
Wherein, the executor of above steps can be virtual network management entity, and the virtual network management entity includes
But FlowVisor is not limited to, virtual network management entity and multiple controllers, and interchanger are connected, for managing by virtual
Network management entity, multiple controllers, and group of switches into virtual network.Generally there are many flow tables in a switch, its
In each flow table be properly termed as flow table burst, virtual network management entity is used to safeguard the flow table burst on each interchanger, than
Such as the existing flow table burst of addition or deletion of new flow table burst.
In the prior art, virtual network management entity can incite somebody to action after the flow table modification message of the first controller transmission is received
New flow table burst in flow table modification message is sent directly to the first interchanger that the first controller is controlled, but due to the
One interchanger is likely to be at heavier loads even extra-heavy state, therefore be sent directly to the first controller is controlled first
Interchanger is simultaneously improper, further, since the first interchanger is likely to be at heavier loads even extra-heavy state, it is possible that
Need to be adjusted the existing flow table burst of the first interchanger.Therefore, compared with prior art, the embodiments of the invention provide one
The distribution mechanism of kind flow table burst, realizes Internet resources burst on demand, solves the problems, such as effectively to manage resource.Need
It should be noted that the first interchanger, the first controller that the embodiment of the present invention is mentioned are merely exemplary, network is not refered in particular to
In a certain interchanger, controller, the interchanger, controller can be virtual network entity management any one interchanger with
And controller corresponding to the interchanger.
The embodiment of the present invention provides a kind of method of Internet resources equilibrium treatment, obtains virtual network management entity institute first
The network burst information of all interchangers of management, new flow table burst is sent to virtual network management entity when there is controller
When, virtual network management entity is determined whether new flow table point according to the network burst information for analyzing controlled interchanger
Piece is sent to the interchanger, if analysis result is unsatisfactory for preset strategy, new flow table burst is sent to the default plan of satisfaction
On a certain interchanger slightly；Or virtual network management entity can also actively touch in the case of not new flow table burst
Hair analyzes the information of existing flow table burst on controlled interchanger, and is determined whether according to preset strategy to the interchanger
Some flow table bursts carry out reassignment processing, there is provided coping mechanism when a kind of Internet resources are extra-heavy, realize network
Resource burst on demand, solves the problems, such as effectively to manage resource.
In order that those skilled in the art can be more clearly understood that technical scheme provided in an embodiment of the present invention, lead to below
Specific embodiment is crossed, a kind of method of Internet resources equilibrium treatment provided in an embodiment of the present invention is described in detail, is
First interchanger is expressed as interchanger 1 by convenience explanation in this embodiment, and the first controller is expressed as controller 1, by second
Interchanger is expressed as interchanger 2, and second controller is expressed as controller 2；Wherein, controller 1 controls interchanger 1, and controller 2 is controlled
Interchanger 2 processed, as shown in figure 3, this method includes：
301st, virtual network management entity obtains the network burst information of all interchangers connected.
Specifically, virtual network management entity can periodically obtain the network burst letter of all interchangers connected
Breath, to regularly update the network burst information of interchanger.Wherein network burst information includes existing flow table burst in interchanger
Information and interchanger flow information, the flow information of wherein interchanger is often referred to the flow information of each port of interchanger.
In addition, except above- mentioned information, the configuration information of each port of interchanger can also be included in network burst information.
302nd, controller 1 sends flow table modification message to virtual network management entity, and flow table modification message carries new
Flow table burst.
303rd, after virtual network management entity receives new flow table burst, trigger to the network burst information of interchanger 1
Analysis, determines whether new flow table burst being assigned to interchanger 1 according to preset strategy.
Exemplary, preset strategy can include：A default flow threshold, the preset flow threshold value can be flow
Percentage threshold, or can be total flow threshold value, virtual network management entity can be by by the network burst of interchanger 1
The analysis result of information is compared to determine the processing scheme to new flow table burst with flow threshold.Certainly, preset strategy
This is not limited to, in addition to preset flow threshold value, other specification can also be set, specific implementation can be according to actual conditions
Depending on.
By analyzing, if the flow shared by the existing flow table burst of interchanger 1 is more than or equal to preset flow threshold value,
It is determined that new flow table burst is not assigned into interchanger 1,305 are performed；If the flow shared by the existing flow table burst of interchanger 1
Less than preset flow threshold value, it is determined that new flow table burst is assigned into interchanger 1, performs 304.
304th, virtual network management entity directly sends new flow table burst to interchanger 1.
305th, virtual network management entity sends new flow table burst to interchanger 2.The wherein existing flow table point of interchanger 2
Flow shared by piece is less than preset flow threshold value.
Additionally, it is preferred that, before step 305 is performed, it can also include：
306th, virtual network management entity sends flow table to interchanger 1 and deletes message, so as to by the existing stream of interchanger 1
Part flow table burst in table burst is deleted.
Then perform：
307th, virtual network management entity combines new flow table burst with deleted flow table burst in interchanger 1
Send to interchanger 2.
So while new flow table burst is transferred into interchanger 2, by a part of flow table burst in interchanger 1
Interchanger 2 is transferred to, realizes the distribution according to need of flow table burst between two interchangers, balanced load.
Because in the above-described embodiments, virtual network management entity is to pass through to the reassignment of the flow table burst of interchanger 1
The flow table for the carrying new flow table burst modification message triggering that controller 1 is sent, and in practical situations both, controller 1 is not sent out
When sending new flow table burst, interchanger 1 is also possible to be in heavier loads even extra-heavy state, in order to solve this
Individual problem, the embodiment of the present invention puies forward another implementation of the method for Internet resources equilibrium treatment, as shown in figure 4, this method
Including：
401st, virtual network management entity obtains the network burst information of all interchangers connected.It is specifically, virtual
Network management entity can periodically obtain the network burst information of all interchangers connected, be exchanged to regularly update
The network burst information of machine.Information wherein included by network burst information is identical with step 301, repeats no more.
402nd, virtual network management entity actively to the flow information in the network burst information of the first interchanger 1 enter by triggering
Row analysis, determines whether to carry out reassignment processing to 1 existing flow table burst of the first interchanger according to preset strategy.
Exemplary, preset strategy can include：A default flow threshold, the preset flow threshold value can be flow
Percentage threshold, or can be total flow threshold value, virtual network management entity can be by by the network burst of interchanger 1
The analysis result of information is compared to determine the processing scheme to new flow table burst with flow threshold.
By analyzing, if the flow shared by the existing flow table burst of interchanger 1 is more than or equal to preset flow threshold value,
It is determined that carrying out reassignment processing to the existing flow table burst of interchanger 1,404 are performed；If shared by the existing flow table burst of interchanger 1
Flow is less than preset flow threshold value, it is determined that does not carry out reassignment processing to the existing flow table burst of interchanger 1, performs
403。
403rd, virtual network management entity is without processing.
404th, virtual network management entity sends flow table to interchanger 1 and deletes message, so as to by the existing stream of interchanger 1
Part flow table burst in table burst is deleted.
405th, virtual network management entity sends deleted flow table burst in interchanger 1 to interchanger 2.Wherein exchange
Flow shared by the existing flow table burst of machine 2 is less than preset flow threshold value.
Certainly, in another implementation, the method shown in Fig. 3, Fig. 4 can be combined implementation, such as Fig. 5 institutes
Show, this method includes：
501st, virtual network management entity obtain connected all interchangers network burst information (specific method with
301 is identical, repeats no more).
502nd, virtual network management entity judges whether interchanger 1 has new flow table to add.Specifically, work as virtual network
When management entity receives the flow table for the carrying new flow table burst modification message of the transmission of controller 1, virtual network management is real
Body judges that interchanger 1 has new flow table to add, and now performs step 503；If virtual network management entity judges that interchanger 1 does not have
There is new flow table to add, then directly perform step 505.
503rd, virtual network management entity judges whether new flow table burst may be mounted on interchanger 1.If it can pacify
Step 504 is then performed on interchanger 1, step 505 is performed if it cannot be arranged on interchanger 1.
Whether specifically, judging new flow table burst to may be mounted on interchanger 1 can include：
Analysis to the network burst information of interchanger 1, determined whether according to preset strategy by new flow table burst distribution
To interchanger 1.Exemplary, preset strategy is identical with the preset strategy provided in step 303, repeats no more.By analysis, if
Flow shared by the existing flow table burst of interchanger 1 is more than or equal to preset flow threshold value, it is determined that new flow table burst is not
It may be mounted on interchanger 1；If the flow shared by the existing flow table burst of interchanger 1 is less than preset flow threshold value, really
Fixed new flow table burst may be mounted on interchanger 1.
504th, virtual network management entity directly sends new flow table burst to interchanger 1, so as to new flow table burst
On interchanger 1.
505th, virtual network management entity judges whether to need to reassign existing flow table burst on interchanger 1.
If desired then execution step 506~507 are reassigned to existing flow table burst on interchanger 1；If need not be to interchanger 1
Upper existing flow table burst is reassigned then execution step 508.
Specifically, virtual network management entity determines whether to reassign 1 existing flow table burst of the first interchanger
The method of processing is identical with the method in step 402, repeats no more.
506th, virtual network management entity sends flow table to interchanger 1 and deletes message, so as to by the existing stream of interchanger 1
Part flow table burst in table burst is deleted.
507th, virtual network management entity combines new flow table burst with deleted flow table burst in interchanger 1
Send to interchanger 2.
508th, virtual network management entity sends new flow table burst to interchanger 2.
The embodiment of the present invention provides a kind of method of Internet resources equilibrium treatment, obtains virtual network management entity institute first
The network burst information of all interchangers of management, new flow table burst is sent to virtual network management entity when there is controller
When, virtual network management entity is determined whether new flow table point according to the network burst information for analyzing controlled interchanger
Piece is sent to the interchanger, if analysis result is unsatisfactory for preset strategy, new flow table burst is sent to the default plan of satisfaction
On a certain interchanger slightly；Or virtual network management entity can also actively touch in the case of not new flow table burst
Hair analyzes the information of existing flow table burst on controlled interchanger, and is determined whether according to preset strategy to the interchanger
Some flow table bursts carry out reassignment processing, there is provided coping mechanism when a kind of Internet resources are extra-heavy, realize network
Resource burst on demand, solves the problems, such as effectively to manage resource.
The embodiment of the present invention provides a kind of virtual network management entity 1, as shown in fig. 6, network management entity 1 includes：
Information acquisition unit 11, for obtaining the network burst information of all interchangers connected, network burst information
Including the flow information of the information of existing flow table burst and interchanger in interchanger, and network burst information is sent to flow table
Manage unit 12；
Flow table processing unit 12, the network burst information sent for receive information acquiring unit 11, exchanged according to first
The network burst information of machine, the new flow table burst and/or the existing flow table burst of the first interchanger sent to the first controller
Carry out reassignment processing；First controller controls the first interchanger.
Optionally, as shown in fig. 7, network management entity also includes：
Receiving unit 13, message is changed for receiving the flow table that the first controller is sent, flow table modification message carries newly
Flow table burst.
Optionally, as shown in figure 8, flow table processing unit 12 includes：
Analytic unit 121, analyzed for the flow information in the network burst information to the first interchanger, according to pre-
If strategy determines whether new flow table burst being assigned to the first interchanger；
Flow table allocation unit 122, if determining new flow table burst being assigned to the first interchanger for analytic unit 121,
Then directly new flow table burst is sent to the first interchanger；Or
Determine new flow table burst not to be assigned into the first exchange if flow table allocation unit 122 is additionally operable to analytic unit 121
Machine, then new flow table burst is sent to second switch.
Optionally, as shown in figure 9, flow table processing unit 12 also includes：
Unit 123 is deleted, message is deleted for sending flow table to the first interchanger, so as to by the existing of the first interchanger
Part flow table burst in flow table burst is deleted；
Flow table allocation unit 122 is additionally operable to be combined new flow table burst with deleted flow table burst in the first interchanger
Get up to send to second switch.
Optionally, analytic unit 121 is specifically used for：
Flow information in the network burst information of first interchanger is analyzed, if the existing flow table of the first interchanger
Flow shared by burst is more than or equal to preset flow threshold value, it is determined that new flow table burst is not assigned into interchanger；If
Flow shared by the existing flow table burst of first interchanger is less than preset flow threshold value, it is determined that distributes new flow table burst
To the first interchanger；
Flow shared by the existing flow table burst of second switch is less than preset flow threshold value, and preset flow threshold value is stream
Percentage threshold is measured, or is total flow threshold value.
Optionally, under another implementation：
Analytic unit 121 is used to actively trigger and the flow information in the network burst information of the first interchanger is divided
Analysis, determines whether to carry out reassignment processing to the existing flow table burst of the first interchanger according to preset strategy；
If flow table allocation unit 122 is used for analytic unit 121 if it is determined that being carried out to the existing flow table burst of the first interchanger
Reassignment processing, then send flow table to the first interchanger and delete message, so as in the existing flow table burst by the first interchanger
Part flow table burst delete；
Flow table allocation unit 122 is additionally operable to send deleted flow table burst in the first interchanger to second switch.
Optionally, analytic unit 121 can also be specifically used for：
Actively triggering is analyzed the flow information in the network burst information of the first interchanger, if the first interchanger
Flow shared by existing flow table burst is more than or equal to preset flow threshold value, it is determined that to the first interchanger existing flow table point
Piece carries out reassignment processing；If the flow shared by the existing flow table burst of the first interchanger is less than preset flow threshold value, really
It is fixed reassignment processing not to be carried out to the existing flow table burst of the first interchanger；
Flow shared by the existing flow table burst of second switch is less than preset flow threshold value, and preset flow threshold value is stream
Percentage threshold is measured, or is total flow threshold value.
Optionally, information acquisition unit 11 can be specifically used for：
Periodically obtain the network burst information of all interchangers connected.
The embodiment of the present invention provides a kind of virtual network management entity, and virtual network management entity first obtains what is managed
The network burst information of all interchangers, when there is controller to send new flow table burst to virtual network management entity, virtually
Network management entity is determined whether new flow table burst transmission according to the network burst information for analyzing controlled interchanger
To the interchanger, if analysis result is unsatisfactory for preset strategy, by new flow table burst send to meet preset strategy certain
On one interchanger；Or virtual network management entity can also the actively triggering analysis in the case of not new flow table burst
The information of existing flow table burst on the interchanger controlled, and determined whether according to preset strategy to the existing stream of the interchanger
Table burst carries out reassignment processing, there is provided coping mechanism when a kind of Internet resources are extra-heavy, realize Internet resources by
Burst is needed, solves the problems, such as effectively to manage resource.
The embodiment of the present invention provides a kind of virtual network management entity 2, and as shown in Figure 10, network management entity 2 includes：Always
Line 21, and communication interface 22, memory 23 and the processor 24 being connected in bus 21, wherein communication interface 22 include
Receiver 221 and transmitter 222, the communication interface 22 are used for and each controller, each switch communication；Memory 23 is used to store
Computer code 231；Processor 24 performs the computer code 231 and is used for：
The network burst information of all interchangers connected is obtained, network burst information includes existing flow table in interchanger
The information of burst and the flow information of interchanger；
According to the network burst information of the first interchanger, the new flow table burst and/or first sent to the first controller
The existing flow table burst of interchanger carries out reassignment processing；First controller controls the first interchanger.
Optionally, processor 24 performs the computer code 231 and is additionally operable in the network burst information according to interchanger, right
Before the new flow table burst and/or the existing flow table burst of the first interchanger that first controller is sent carry out reassignment processing,
The flow table modification message of the first controller transmission is received, flow table modification message carries new flow table burst.
Optionally, according to the network burst information of the first interchanger, the new flow table burst that is sent to the first controller and/
Or first the existing flow table burst of interchanger carry out reassign processing when, processor 24 perform the computer code 231 specifically use
In：
Flow information in the network burst information of first interchanger is analyzed, according to preset strategy determine whether by
New flow table burst is assigned to the first interchanger；
If it is determined that new flow table burst is assigned into the first interchanger, then directly new flow table burst is sent to first and handed over
Change planes；Or
If it is determined that new flow table burst is not assigned into the first interchanger, then new flow table burst is sent to second and exchanged
Machine.
Optionally, however, it is determined that new flow table burst is not assigned to the first interchanger, then sent by new flow table burst
To before second switch method, processor 24 performs the computer code 231 and is specifically used for：
Flow table is sent to the first interchanger and deletes message, so as to the part in the existing flow table burst by the first interchanger
Flow table burst is deleted；
New flow table burst is combined into transmission to second switch with deleted flow table burst in the first interchanger.
Optionally, the flow information in the network burst information of the first interchanger is analyzed, it is true according to preset strategy
When determining whether new flow table burst to be assigned into the first interchanger, processor 24 performs the computer code 231 and is specifically used for：
Flow information in the network burst information of first interchanger is analyzed, if the existing flow table of the first interchanger
Flow shared by burst is more than or equal to preset flow threshold value, it is determined that new flow table burst is not assigned into the first exchange
Machine；If the flow shared by the existing flow table burst of the first interchanger is less than preset flow threshold value, it is determined that by new flow table point
Piece is assigned to the first interchanger；
Flow shared by the existing flow table burst of second switch is less than preset flow threshold value, and preset flow threshold value is stream
Percentage threshold is measured, or is total flow threshold value.
Optionally, under another implementation, according to the network burst information of the first interchanger, have to the first interchanger
Flow table burst carry out reassign processing when, processor 24 perform the computer code 231 be specifically used for：
Actively triggering is analyzed the flow information in the network burst information of the first interchanger, true according to preset strategy
It is fixed whether reassignment processing to be carried out to the existing flow table burst of the first interchanger；
If it is determined that carrying out reassignment processing to the existing flow table burst of the first interchanger, then flow table is sent to the first interchanger
Message is deleted, so that the part flow table burst in the existing flow table burst by the first interchanger is deleted；
Deleted flow table burst in first interchanger is sent to second switch.
Optionally, the flow information in the network burst information of the first interchanger is analyzed in active triggering, according to
When preset strategy determines whether reassign processing to the existing flow table burst of the first interchanger, processor 24 performs the calculating
Machine code 231 is specifically used for：
Actively triggering is analyzed the flow information in the network burst information of the first interchanger, if the first interchanger
Flow shared by existing flow table burst is more than or equal to preset flow threshold value, it is determined that to the first interchanger existing flow table point
Piece carries out reassignment processing；If the flow shared by the existing flow table burst of the first interchanger is less than preset flow threshold value, really
It is fixed reassignment processing not to be carried out to the existing flow table burst of the first interchanger；
Flow shared by the existing flow table burst of second switch is less than preset flow threshold value, and preset flow threshold value is stream
Percentage threshold is measured, or is total flow threshold value.
Optionally, when obtaining the network burst information of all interchangers connected, processor 24 performs the computer
Code 231 is specifically used for：
Periodically obtain the network burst information of all interchangers connected.
The embodiment of the present invention provides a kind of virtual network management entity, and virtual network management entity first obtains what is managed
The network burst information of all interchangers, when there is controller to send new flow table burst to virtual network management entity, virtually
Network management entity is determined whether new flow table burst transmission according to the network burst information for analyzing controlled interchanger
To the interchanger, if analysis result is unsatisfactory for preset strategy, by new flow table burst send to meet preset strategy certain
On one interchanger；Or virtual network management entity can also the actively triggering analysis in the case of not new flow table burst
The information of existing flow table burst on the interchanger controlled, and determined whether according to preset strategy to the existing stream of the interchanger
Table burst carries out reassignment processing, there is provided coping mechanism when a kind of Internet resources are extra-heavy, realize Internet resources by
Burst is needed, solves the problems, such as effectively to manage resource.
Term "and/or" in the present invention, only a kind of incidence relation for describing affiliated partner, expression may have three kinds
Relation, for example, A and/or B, can be represented：Individualism A, while A and B be present, these three situations of individualism B.In addition, this
Character "/" in text, it is a kind of relation of "or" to typically represent forward-backward correlation object.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, it can be passed through
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, only
Only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical by some interfaces, device or unit
Letter connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That the independent physics of unit includes, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the portion of each embodiment methods described of the present invention
Step by step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-Only Memory, abbreviation
ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various to store
The medium of program code.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (16)
- A kind of 1. method of Internet resources equilibrium treatment, it is characterised in that methods described includes：The network burst information of all interchangers connected is obtained, the network burst information includes existing flow table in interchanger The information of burst and the flow information of interchanger；According to the network burst information of the first interchanger, the new flow table burst and/or described first sent to the first controller The existing flow table burst of interchanger carries out reassignment processing；First controller controls first interchanger.
- 2. according to the method for claim 1, it is characterised in that in the network burst information according to first interchanger, The new flow table burst and/or the existing flow table burst of first interchanger sent to the first controller carries out reassignment processing Also include before：The flow table modification message that first controller is sent is received, the flow table modification message carries the new flow table point Piece.
- 3. according to the method for claim 2, it is characterised in that right according to the network burst information of first interchanger The new flow table burst and/or the existing flow table burst of first interchanger that first controller is sent carry out reassigning processing bag Include：Flow information in the network burst information of first interchanger is analyzed, according to preset strategy determine whether by The new flow table burst is assigned to first interchanger；If it is determined that the new flow table burst is assigned into first interchanger, then directly the new flow table burst is sent To first interchanger；OrIf it is determined that the new flow table burst is not assigned into first interchanger, then by the new flow table burst send to Second switch.
- 4. according to the method for claim 3, it is characterised in that if it is determined that not being assigned to the new flow table burst described First interchanger, then also include before the new flow table burst is sent to second switch methods described：Flow table is sent to first interchanger and deletes message, so as in the existing flow table burst by first interchanger Part flow table burst is deleted；Described send the new flow table burst to second switch includes：The new flow table burst is combined with deleted flow table burst in first interchanger to transmission to described the Two interchangers.
- 5. the method according to claim 3 or 4, it is characterised in that the network burst to first interchanger is believed Flow information in breath is analyzed, and determines whether that the new flow table burst is assigned into described first hands over according to preset strategy Change planes including：Flow information in the network burst information of first interchanger is analyzed, if first interchanger has Flow shared by flow table burst is more than or equal to preset flow threshold value, it is determined that the new flow table burst is not assigned into institute State the first interchanger；If the flow shared by the existing flow table burst of first interchanger is less than the preset flow threshold value, Then determine the new flow table burst being assigned to first interchanger；Flow shared by the existing flow table burst of the second switch is less than the preset flow threshold value, the preset flow Threshold value is flow percentage threshold value, or is total flow threshold value.
- 6. according to the method for claim 1, it is characterised in that right according to the network burst information of first interchanger The existing flow table burst of first interchanger, which carries out reassignment processing, to be included：Actively triggering is analyzed the flow information in the network burst information of first interchanger, true according to preset strategy It is fixed whether reassignment processing to be carried out to the existing flow table burst of first interchanger；If it is determined that carrying out reassignment processing to the existing flow table burst of first interchanger, then sent to first interchanger Flow table deletes message, so that the part flow table burst in the existing flow table burst by first interchanger is deleted；Deleted flow table burst in first interchanger is sent to second switch.
- 7. according to the method for claim 6, it is characterised in that network point of the active triggering to first interchanger Flow information in piece information is analyzed, and is determined whether according to preset strategy to the existing flow table burst of first interchanger Carrying out reassignment processing includes：Actively triggering is analyzed the flow information in the network burst information of first interchanger, if described first exchanges Flow shared by the existing flow table burst of machine is more than or equal to preset flow threshold value, it is determined that has to first interchanger Flow table burst carry out reassignment processing；If the flow shared by the existing flow table burst of first interchanger is less than described pre- If flow threshold, it is determined that reassignment processing is not carried out to the existing flow table burst of first interchanger；Flow shared by the existing flow table burst of the second switch is less than the preset flow threshold value, the preset flow Threshold value is flow percentage threshold value, or is total flow threshold value.
- 8. according to the method for claim 1, it is characterised in that the network burst for obtaining all interchangers connected Information includes：Periodically obtain the network burst information of all interchangers connected.
- 9. a kind of virtual network management entity, it is characterised in that the network management entity includes：Information acquisition unit, for obtaining the network burst information of all interchangers connected, the network burst information bag The flow information of the information of existing flow table burst and interchanger in interchanger is included, and network burst information is sent to flow table processing Unit；Flow table processing unit, for receiving the network burst information of described information acquiring unit transmission, according to the first interchanger Network burst information, the new flow table burst and/or the existing flow table burst of first interchanger sent to the first controller Carry out reassignment processing；First controller controls first interchanger.
- 10. virtual network management entity according to claim 9, it is characterised in that the network management entity also includes：Receiving unit, message is changed for receiving the flow table that first controller is sent, the flow table modification message carries The new flow table burst.
- 11. virtual network management entity according to claim 10, it is characterised in that the flow table processing unit includes：Analytic unit, analyzed for the flow information in the network burst information to first interchanger, according to default Strategy determines whether the new flow table burst being assigned to first interchanger；Flow table allocation unit, if determining that the new flow table burst is assigned into described first exchanges for the analytic unit Machine, then directly the new flow table burst is sent to first interchanger；OrDetermine the new flow table burst not to be assigned into described the if the flow table allocation unit is additionally operable to the analytic unit One interchanger, then the new flow table burst is sent to second switch.
- 12. virtual network management entity according to claim 11, it is characterised in that the flow table processing unit also wraps Include：Unit is deleted, message is deleted for sending flow table to first interchanger, so as to having first interchanger Flow table burst in part flow table burst delete；The flow table allocation unit is additionally operable to deleted flow table point in the new flow table burst and first interchanger Piece combines transmission to the second switch.
- 13. the virtual network management entity according to claim 11 or 12, it is characterised in that the analytic unit is specifically used In：Flow information in the network burst information of first interchanger is analyzed, if first interchanger has Flow shared by flow table burst is more than or equal to preset flow threshold value, it is determined that the new flow table burst is not assigned into institute State the first interchanger；If the flow shared by the existing flow table burst of first interchanger is less than the preset flow threshold value, Then determine the new flow table burst being assigned to first interchanger；Flow shared by the existing flow table burst of the second switch is less than the preset flow threshold value, the preset flow Threshold value is flow percentage threshold value, or is total flow threshold value.
- 14. virtual network management entity according to claim 9, it is characterised in that the flow table processing unit includes：Analytic unit, triggered for active and the flow information in the network burst information of first interchanger analyzed, Determined whether to carry out reassignment processing to the existing flow table burst of first interchanger according to preset strategy；Flow table allocation unit, if for the analytic unit if it is determined that carrying out weight to the existing flow table burst of first interchanger Distribution is handled, then sending flow table to first interchanger deletes message, so as to by the existing flow table of first interchanger Part flow table burst in burst is deleted；The flow table allocation unit is additionally operable to send deleted flow table burst in the first interchanger to second switch.
- 15. virtual network management entity according to claim 14, it is characterised in that the analytic unit is specifically used for：Actively triggering is analyzed the flow information in the network burst information of first interchanger, if described first exchanges Flow shared by the existing flow table burst of machine is more than or equal to preset flow threshold value, it is determined that has to first interchanger Flow table burst carry out reassignment processing；If the flow shared by the existing flow table burst of first interchanger is less than described pre- If flow threshold, it is determined that reassignment processing is not carried out to the existing flow table burst of first interchanger；Flow shared by the existing flow table burst of the second switch is less than the preset flow threshold value, the preset flow Threshold value is flow percentage threshold value, or is total flow threshold value.
- 16. virtual network management entity according to claim 9, it is characterised in that described information acquiring unit is specifically used In：Periodically obtain the network burst information of all interchangers connected.
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| CN106302229B (en) * | 2015-05-21 | 2019-09-17 | 上海诺基亚贝尔股份有限公司 | Creation fragment and the method and apparatus for deleting fragment in virtual access net |
| CN105516312B (en) * | 2015-12-09 | 2019-02-22 | 重庆邮电大学 | A kind of software defined network load balancing apparatus and method |
| CN107105501B (en) * | 2016-02-19 | 2019-07-02 | 电信科学技术研究院 | A kind of paging method based on network fragment, device and system |
| CN107770826B (en) * | 2016-08-19 | 2020-02-21 | 电信科学技术研究院 | Network slice selection method and related equipment |
| CN106130911B (en) * | 2016-08-31 | 2019-04-05 | 星融元数据技术(苏州)有限公司 | Forward the cloud computing center network architecture of the organized structure of ridge interchanger of flow table Slice |
| CN108418847B (en) * | 2017-02-09 | 2021-04-16 | 中国移动通信集团甘肃有限公司 | Network traffic caching system, method and device |
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| WO2011162215A1 (en) * | 2010-06-23 | 2011-12-29 | 日本電気株式会社 | Communication system, control apparatus, node control method and program |
| CN102594697B (en) * | 2012-02-21 | 2015-07-22 | 华为技术有限公司 | Load balancing method and device |
| CN102882719B (en) * | 2012-09-26 | 2015-06-17 | 盛科网络（苏州）有限公司 | Method and system for implementation of redundant backup of controllers in Openflow switch system |
| CN102946365B (en) * | 2012-11-09 | 2015-06-17 | 清华大学 | Flow table updating consistency maintaining method based on software defined network |
| CN103067245B (en) * | 2012-12-28 | 2015-10-28 | 中兴通讯股份有限公司 | A kind of stream table spatial isolation device for network virtualization and method |
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