CN105721337B - Distributed transaction processing method and device in software defined network - Google Patents
Distributed transaction processing method and device in software defined network Download PDFInfo
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- CN105721337B CN105721337B CN201410730401.2A CN201410730401A CN105721337B CN 105721337 B CN105721337 B CN 105721337B CN 201410730401 A CN201410730401 A CN 201410730401A CN 105721337 B CN105721337 B CN 105721337B
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Abstract
The present invention provides the distributed transaction processing method and device in a kind of software defined network, which includes: the first affairs for obtaining and needing to be executed by the first forwarding device；The serial number of the first affairs is requested to a sequence server, and receives the first serial number that sequence server issues, wherein the first serial number is to sort server according to the sequence for the pending affairs for itself receiving the first forwarding device, is the distribution of the first affairs；First affairs and the first serial number are sent to the first forwarding device, so that the first forwarding device receives and cache the first affairs and corresponding first serial number of the first affairs, and successively execute cached affairs according to the serial number of each affairs.Distributed transaction processing method and device in software defined network through the invention saves to upper layer network element and feeds back the lower network element related resource available time, reduce network delay, improve the treatment effeciency of affairs.
Description
Technical field
The present invention relates to the distributed transaction processing methods and dress in transmission field more particularly to a kind of software defined network
It sets.
Background technique
Software defined network (SDN, Software Defined Network) framework can be divided into multistage network framework applications
Program, multilayer director and forwarding device.SDN is under current multilevel network framework, and a controller needs while response comes
From the call request of multiple application programs or controller, a forwarding device may also need simultaneously accordingly from multiple controllers
Call request, while a complete operation may need multiple subordinate controllers cooperate jointly could to complete, this is one kind
Typical distributed transaction scene.
In the prior art, all affairs can successful execution in the case where, effective network element (needs to be implemented the net of order
Member) it is only capable of occupied by an affairs in synchronization, when executing multiple affairs at the same time, effective network element is submitted according to request
Sequencing is successively occupied, and the affairs for only occupying effective network element in the ban discharge effective network element, and hold to upper layer network element feedback
After going successfully, next affairs could use effective network element, i.e. upper layer network element receives after lower network element return runs succeeded
Next affairs can be issued, network delay is increased, reduce the treatment effeciency of affairs.
Summary of the invention
In order to overcome lower network element often run succeeded an affairs require to upper layer network element return implementing result, caused by
Network delay.The present invention provides the distributed transaction processing methods and device in a kind of software defined network.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
According to one aspect of the present invention, the distributed transaction processing method in a kind of software defined network is provided, is answered
For a controller, which includes: the first affairs for obtaining and needing to be executed by the first forwarding device；To
One sequence server requests the serial number of first affairs, and receives the first serial number that the sequence server issues,
In, first serial number is sequence server according to the suitable of the pending affairs for itself receiving first forwarding device
Sequence, for first affairs distribution；First affairs and first serial number are sent to first forwarding to set
It is standby, so that the first forwarding device receives and caches first affairs and corresponding first serial number of first affairs, and
Cached affairs are successively executed according to the serial number of each affairs.
Optionally, after first affairs and first serial number are sent to first forwarding device,
The distributed transaction processing method further include: receive the execution knot for first affairs that first forwarding device returns
Fruit.
Another aspect according to the present invention provides the distributed transaction processing method in a kind of software defined network,
Applied to the first forwarding device, which includes: that the first affairs of reception and first affairs are corresponding
The first serial number, wherein first serial number be sort server according to itself receive first forwarding device to
The sequence of affairs is executed, for first affairs distribution；Cache first affairs and first affairs first is suitable
Serial number, and cached affairs are successively executed according to the serial number of each affairs.
Optionally, first serial number for caching first affairs and first affairs, and according to each thing
The serial number of business successively executes cached affairs, comprising: obtains affairs serial number window current upper limit value and lower limit value, institute
Affairs serial number window is stated with a regular length；If the first serial number is less than the lower limit value, first affairs are added
Enter a discarding queue；If the first serial number is located within the affairs serial number window, first affairs are added first-class
To queue；If the first serial number is greater than the upper limit value, the upper limit value of the affairs serial number window is updated to the first sequence
Number, the waiting list will be located at and serial number is added one less than the affairs of the current lower limit value of the affairs serial number window and holds
Row queue, and each affairs in the execution queue are executed according to serial number.
Optionally, the distributed transaction processing method further include: carry out timing, the timing utensil using a timer
There is a threshold value；When in the timer to the threshold value, the timer is reset, and by the waiting list
In affairs be moved to the execution queue from the waiting list, and execute according to serial number each in the execution queue
A affairs.
Optionally, after the upper limit value of the affairs serial number window is updated to the first serial number, the distribution
Transaction methods further include: reset the timer.
Another aspect according to the present invention provides the distributing real time system device in a kind of software defined network,
The distributing real time system device includes: acquisition module, for obtaining the first affairs for needing to be executed by the first forwarding device；It is suitable
Serial number module for requesting the serial number of first affairs to a sequence server, and receives the sequence server and issues
The first serial number, wherein first serial number is sequence server according to itself receiving first forwarding device
The sequence of pending affairs, for first affairs distribution；Sending module is used for first affairs and described first
Serial number is sent to first forwarding device, so that the first forwarding device receives and cache first affairs and described
Corresponding first serial number of one affairs, and cached affairs are successively executed according to the serial number of each affairs.
Optionally, the distributing real time system device further include: feedback module, for receiving first forwarding device
The implementing result of first affairs returned.
Another aspect according to the present invention provides the distributing real time system device in a kind of software defined network,
The distributing real time system device includes: receiving module, for receiving the first affairs and first affairs corresponding first
Serial number, wherein first serial number is sequence server according to the pending thing for itself receiving first forwarding device
The sequence of business, for first affairs distribution；Execution module, for caching first affairs and first affairs
First serial number, and cached affairs are successively executed according to the serial number of each affairs.
Optionally, the execution module includes: acquiring unit, for obtain the current upper limit value of affairs serial number window and
Lower limit value, the affairs serial number window have a regular length；First processing units, if being less than for the first serial number described
First affairs are then added one and abandon queue by lower limit value；The second processing unit, if being located at the thing for the first serial number
It is engaged within serial number window, then a waiting list is added in first affairs；Third processing unit, if being used for the first serial number
Greater than the upper limit value, the upper limit value of the affairs serial number window is updated to the first serial number, the waiting team will be located at
The affairs that column and serial number are less than the current lower limit value of the affairs serial number window are added one and execute queue, and according to serial number
Execute each affairs in the execution queue.
Optionally, the distributing real time system device further include: timing module, one timer of setting carry out timing, institute
Timer is stated with a threshold value；Processing module, when in the timer to the threshold value, by the timer
It resets, and the affairs in the waiting list is moved to the execution queue from the waiting list, and according to sequence
Number execute it is described execute queue in each affairs.
Optionally, the distributing real time system device further include: dump block, for the timer to be reset.
Beneficial effects of the present invention at least following aspect: the present invention caches first affairs by the first forwarding device
And the first serial number of first affairs, and cached affairs are successively executed according to the serial number of each affairs, it saves
When being performed simultaneously multiple affairs, lower network element is performed into upper layer network element feedback affairs after each affairs are performed successfully
The time of function, network delay is reduced, improves the treatment effeciency of affairs.
Detailed description of the invention
Fig. 1 shows one of the distributed transaction processing method flow charts in SDN provided in an embodiment of the present invention；
Fig. 2 indicates two of the distributed transaction processing method flow chart in SDN provided in an embodiment of the present invention；
Fig. 3 indicates three of the distributed transaction processing method flow chart in SDN provided in an embodiment of the present invention；
Fig. 4 indicates the flow chart of forwarding device of embodiment of the present invention processing affairs；
Fig. 5 indicates the distributed transaction processing method application schematic diagram in SDN provided in an embodiment of the present invention；
Fig. 6 indicates one of distributing real time system schematic device in SDN provided in an embodiment of the present invention；
Fig. 7 indicates two of the distributing real time system schematic device in SDN provided in an embodiment of the present invention；And
Fig. 8 shows execution module schematic diagrames of the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, right below in conjunction with the accompanying drawings and the specific embodiments
The present invention is described in detail.
As shown in Figure 1, one of the distributed transaction processing method flow chart in SDN of the embodiment of the present invention, software defined network
Distributed transaction processing method in network is applied to a controller, wherein and it include multiple controllers in software defined network, it should
Distributed transaction processing method in software defined network the following steps are included:
Step S100, the first affairs for needing to be executed by the first forwarding device are obtained.
Here, it should be noted that the first affairs are the first forwarding device any of multiple affairs to be executed
Affairs specifically can be and establish the first forwarding device to the connection between another forwarding device, remove the first forwarding device and another
Connection between one forwarding device, is also not limited to this certainly.
Step S200, the serial number of the first affairs is requested to a sequence server, and receives sequence server issues the
One serial number, wherein the first serial number is sequence server according to the pending affairs for itself receiving the first forwarding device
It sequentially, is the distribution of the first affairs.
Here, serial number is sequence of the sequence server according to the pending affairs for itself receiving the first forwarding device,
For the distribution of the first affairs, the size of serial number reflects the pending affairs that sequence server receives the first forwarding device
Sequencing, the serial number have uniqueness in the first forwarding device that execute affairs corresponding to it.
Step S300, the first affairs and the first serial number are sent to the first forwarding device, so that the first forwarding device
The first affairs and corresponding first serial number of the first affairs are received and cached, and is successively executed according to the serial number of each affairs
The affairs cached；It should be noted that the affairs for being handed down to the first forwarding device carry the corresponding serial number of the office,
Sequence that the affairs are performed is determined to make the first forwarding device according to it receive the serial number of affairs.
As shown in Fig. 2, in order to grasp the case where affairs are performed, the embodiment of the present invention may be used also after above-mentioned steps S300
To include step S400:
Step S400, the implementing result for the first affairs that the first forwarding device returns is received；It should be noted that the execution
As a result it can be and run succeeded, execute failure or be not performed.
As shown in figure 3, three of the distributed transaction processing method flow chart in SDN of the embodiment of the present invention, this definition network
In distributed transaction processing method be applied to the first forwarding device, comprising the following steps:
Step S500, the first affairs and corresponding first serial number of the first affairs are received, wherein the first serial number is row
Sequence server is distributed according to the sequence for the pending affairs for itself receiving the first forwarding device for the first affairs.
Step S600, the first serial number of the first affairs and the first affairs is cached, and according to the serial number of each affairs
Successively execute cached affairs；It should be noted that caching the first affairs and the first affairs by the first forwarding device
First serial number, and cached affairs are successively executed according to the serial number of each affairs, it saves and is performed simultaneously multiple affairs
When, lower network element is performed the successful time to upper layer network element feedback affairs after each affairs are performed successfully, reduces net
Network delay, improves the treatment effeciency of affairs.
As shown in figure 4, the first serial number of the first affairs of caching and the first affairs, and according to the serial number of each affairs
Successively executing cached affairs, specific step is as follows:
Step S601, affairs serial number window current upper limit value and lower limit value are obtained, affairs serial number window has one
Regular length.
Here, an affairs serial number window is being locally located in the first forwarding device, and the length of the window is fixed, and can
To slide the mobile window.It should be noted that the length of affairs serial number window is although constant, but because sliding will lead to
The upper limit value and lower limit value of affairs serial number window changes, and the length of affairs serial number window can rule of thumb or examination
It tests data to be configured, is also not limited to this certainly.
If step S602, the first serial number is less than lower limit value, the first affairs are added one and abandon queue.
If step S603, the first serial number is located within affairs serial number window, the first affairs are added one and wait team
Column.
If step S604, the first serial number is greater than upper limit value, it is suitable that the upper limit value of affairs serial number window is updated to first
Serial number, will be located at waiting list and serial number is added one less than the affairs of the current lower limit value of affairs serial number window and executes team
Column, and each affairs in queue are executed according to serial number.
It should be noted that in order to avoid only when affairs serial number window upper limit value update when, forwarding device just meeting
Each affairs in queue are executed according to serial number, the embodiment of the present invention is additionally provided with a timer, the door of timer is arranged
Timer is reset when timer reaches thresholding, and the affairs in waiting list is moved to from waiting list and are held by limit
Row queue, and each affairs in queue are executed according to serial number.Correspondingly, working as the upper limit value of affairs serial number window more
Also timer is reset after new.The thresholding of timer can rule of thumb, test data or network performance be configured, certainly
Be also not limited to this, the setting of the thresholding of timer can finish for forwarding device processing be engaged in serial number window be booked it is required when affairs
One times or more of duration, preferably, the thresholding of timer, which is set as finish serial number window of being engaged in of forwarding device processing, is booked affairs
Twice to three times of Shi Suoxu duration.
As shown in figure 5, the distributed transaction processing method application schematic diagram in SDN of the embodiment of the present invention, including following step
It is rapid:
Step 1, controller are that { network element, affairs } request serial number.
Step 2, controller are received as the serial number of { network element, affairs } distribution.
{ network element, affairs, serial number } is distributed to the network element for executing the affairs by step 3, controller.
As shown in fig. 6, one of the distributing real time system schematic device in SDN of the embodiment of the present invention, the software definition
Distributing real time system device in network includes: to obtain module 71, serial number module 72 and sending module 73；Wherein, it obtains
Module 71, for obtaining the first affairs for needing to be executed by the first forwarding device；Serial number module 72, for being serviced to a sequence
Device requests the serial number of the first affairs, and receives the first serial number that sequence server issues, wherein the first serial number is sequence
Server is distributed according to the sequence for the pending affairs for itself receiving the first forwarding device for the first affairs；Sending module
73, for the first affairs and the first serial number to be sent to the first forwarding device, so that the first forwarding device is received and is cached
First affairs and corresponding first serial number of the first affairs, and cached thing is successively executed according to the serial number of each affairs
Business.
It should be noted that serial number is sequence server according to the pending affairs for itself receiving the first forwarding device
Sequence, for the first affairs distribution, the size of serial number reflect sequence server receive the first forwarding device wait hold
The sequencing of business is acted, which has uniqueness in the first forwarding device that execute affairs corresponding to it.It issues
The corresponding serial number of the office is carried to the affairs of the first forwarding device, to make the first forwarding device receive affairs according to it
Serial number determine sequence that the affairs are performed.In order to which controller grasps the implementing result of affairs, the software defined network
In distributing real time system device further include: feedback module, first affairs for receiving the return of the first forwarding device are held
Row result.
As shown in fig. 7, two of the distributing real time system schematic device in SDN of the embodiment of the present invention, the software definition
Distributing real time system device in network includes: receiving module 81 and execution module 82；Receiving module 81, for receiving first
Affairs and corresponding first serial number of the first affairs, wherein the first serial number is that sequence server according to itself receives first
The sequence of the pending affairs of forwarding device, for the distribution of the first affairs；Execution module 82, for caching the first affairs and the
First serial number of one affairs, and cached affairs are successively executed according to the serial number of each affairs.
It should be noted that the first serial number of the first affairs and the first affairs is cached by the first forwarding device, and
Cached affairs are successively executed according to the serial number of each affairs, are saved when being performed simultaneously multiple affairs, each affairs quilt
Lower network element is all performed the successful time to upper layer network element feedback affairs after running succeeded, and reduces network delay, improves
The treatment effeciency of affairs.
As shown in figure 8, execution module 82 includes: acquiring unit 821, first processing units 822, second processing list in Fig. 7
Member 823 and third processing unit 824；Acquiring unit 821, for obtaining affairs serial number window current upper limit value and lower limit
Value, affairs serial number window have a regular length；First processing units 822, if being less than lower limit value for the first serial number,
First affairs are added one and abandon queue；The second processing unit 823, if for the first serial number be located at affairs serial number window it
It is interior, then a waiting list is added in the first affairs；Third processing unit 824, if being greater than upper limit value for the first serial number, by thing
The upper limit value of business serial number window is updated to the first serial number, will be located at waiting list and serial number is less than affairs serial number window
Current lower limit value affairs be added one execute queue, and according to serial number execute execute queue in each affairs.
It should be noted that in order to avoid only when the upper limit value of affairs serial number window updates, forwarding device can be according to
Each affairs in queue are executed according to serial number, the embodiment of the present invention also sets timing module, and one timer of setting is counted
When, timer has a threshold value；Processing module, in timer arrive threshold value when, timer is reset, and general
Affairs in waiting list are moved to execution queue from waiting list, and execute each thing in queue according to serial number
Business, dump block, for resetting timer after the upper limit value update of affairs serial number window.The thresholding of timer can basis
Experience, test data or network performance are configured, and are also not limited to this certainly, and the thresholding of timer is set as forwarding device
Finish serial number window of being engaged in of processing is booked one times of required duration when affairs or more, preferably, the thresholding of timer is set as turning
Finish serial number window of being engaged in of hair equipment processing is booked twice to three times of required duration when affairs.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (12)
1. the distributed transaction processing method in a kind of software defined network is applied to a controller characterized by comprising
The first affairs for needing to be executed by the first forwarding device are obtained, what first affairs to be executed for the first forwarding device
Any one affairs in multiple affairs；
The serial number of first affairs is requested to a sequence server；
Receive the first serial number that the sequence server issues, wherein first serial number is sequence server according to certainly
Body receives the sequence of the pending affairs of first forwarding device, for first affairs distribution；
First affairs and first serial number are sent to first forwarding device, so that the first forwarding device connects
Receive and cache first affairs and corresponding first serial number of first affairs, and according to the serial number of each affairs according to
It is secondary to execute cached affairs.
2. distributed transaction processing method as described in claim 1, which is characterized in that by first affairs and described
First serial number is sent to after first forwarding device, the distributed transaction processing method further include:
Receive the implementing result for first affairs that first forwarding device returns.
3. the distributed transaction processing method in a kind of software defined network is applied to the first forwarding device, which is characterized in that packet
It includes:
The first affairs and corresponding first serial number of first affairs are received, wherein first serial number is sequence service
Device is distributed according to the sequence for the pending affairs for itself receiving first forwarding device for first affairs；It is described
First affairs are any one affairs in the first forwarding device multiple affairs to be executed；
Cache the first serial number of first affairs and first affairs；
Cached affairs are successively executed according to the serial number of each affairs.
4. distributed transaction processing method as claimed in claim 3, which is characterized in that the caching first affairs and
First serial number of first affairs, and cached affairs are successively executed according to the serial number of each affairs, comprising:
Affairs serial number window current upper limit value and lower limit value are obtained, the affairs serial number window has a regular length；
If the first serial number is less than the lower limit value, first affairs are added one and abandon queue；
If the first serial number is located within the affairs serial number window, a waiting list is added in first affairs；
If the first serial number is greater than the upper limit value, the upper limit value of the affairs serial number window is updated to the first serial number,
The waiting list will be located at and serial number is added one less than the affairs of the current lower limit value of the affairs serial number window and executes
Queue, and each affairs in the execution queue are executed according to serial number.
5. distributed transaction processing method as claimed in claim 4, which is characterized in that the distributed transaction processing method is also
Include:
Timing is carried out using a timer, the timer has a threshold value；
When in the timer to the threshold value, the timer is reset, and by the thing in the waiting list
Business is moved to the execution queue from the waiting list, and executes each thing in the execution queue according to serial number
Business.
6. distributed transaction processing method as claimed in claim 5, which is characterized in that by the affairs serial number window
Upper limit value is updated to after the first serial number, the distributed transaction processing method further include: resets the timer.
7. the distributing real time system device in a kind of software defined network characterized by comprising
Module is obtained, for obtaining the first affairs for needing to be executed by the first forwarding device；First affairs are the first forwarding
Any one affairs in the equipment multiple affairs to be executed；
Serial number module for requesting the serial number of first affairs to a sequence server, and receives the sequence service
The first serial number that device issues, wherein first serial number is that sequence server is forwarded according to itself receiving described first
The sequence of the pending affairs of equipment, for first affairs distribution；
Sending module, for first affairs and first serial number to be sent to first forwarding device, so that
First forwarding device receives and caches first affairs and corresponding first serial number of first affairs, and according to each
The serial number of affairs successively executes cached affairs.
8. distributing real time system device as claimed in claim 7, which is characterized in that the distributing real time system device is also
Include:
Feedback module, for receiving the implementing result for first affairs that first forwarding device returns.
9. the distributing real time system device in a kind of software defined network characterized by comprising
Receiving module, for receiving the first affairs and corresponding first serial number of first affairs, wherein described first is suitable
Serial number is to sort server according to the sequence for the pending affairs for itself receiving the first forwarding device, is divided for first affairs
Match；First affairs are any one affairs in the first forwarding device multiple affairs to be executed；
Execution module, for caching the first serial number of first affairs and first affairs, and according to each affairs
Serial number successively execute cached affairs.
10. distributing real time system device as claimed in claim 9, which is characterized in that the execution module includes:
Acquiring unit, for obtaining affairs serial number window current upper limit value and lower limit value, the affairs serial number window tool
There is a regular length；
First affairs are added one and abandon team by first processing units if being less than the lower limit value for the first serial number
Column；
The second processing unit, if being located within the affairs serial number window for the first serial number, by first affairs
A waiting list is added；
Third processing unit, if being greater than the upper limit value for the first serial number, by the upper limit value of the affairs serial number window
It is updated to the first serial number, the waiting list will be located at and serial number is less than the current lower limit value of the affairs serial number window
Affairs be added one execute queue, and according to serial number execute it is described execution queue in each affairs.
11. distributing real time system device as claimed in claim 10, which is characterized in that the distributing real time system device
Further include:
Timing module, one timer of setting carry out timing, and the timer has a threshold value；
Processing module resets the timer, and will be described etc. when in the timer to the threshold value
The execution queue is moved to from the waiting list to the affairs in queue, and executes the execution queue according to serial number
In each affairs.
12. distributing real time system device as claimed in claim 11, which is characterized in that the distributing real time system device
Further include:
Dump block, for resetting the timer.
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| CN109002462B (en) * | 2018-06-04 | 2020-11-27 | 北京明朝万达科技股份有限公司 | Method and system for realizing distributed transaction |
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| CN101729399A (en) * | 2009-11-03 | 2010-06-09 | 中兴通讯股份有限公司 | Client interface machine, server interface machine and method and system for processing messages thereof |
| CN101706811A (en) * | 2009-11-24 | 2010-05-12 | 中国科学院软件研究所 | Transaction commit method of distributed database system |
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