CN108390784A - A kind of method and device of resource reclaim - Google Patents
A kind of method and device of resource reclaim Download PDFInfo
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- 238000004064 recycling Methods 0.000 claims abstract description 59
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000011084 recovery Methods 0.000 claims description 19
- 230000014509 gene expression Effects 0.000 claims 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
Abstract
The application discloses a kind of method and device of resource reclaim, is related to field of communication technology, for solving the problems, such as that business caused by existing resource reclaim mechanism and resource are unmatched.The method includes：SDN controllers are target resource setting recycling duration；Target resource is recycled in first resource pond, the business for discharging the target resource can be only assigned to when target resource is in first resource pond；If target resource, which is in the duration in first resource pond, is equal to recycling duration, target resource is recycled to Secondary resource pond from first resource pond, target resource can be assigned to any one business when being in Secondary resource pond.During the application is suitable for resource reclaim.
Description
Technical field
This application involves field of communication technology more particularly to a kind of method and devices of resource reclaim.
Background technology
In recent years, software defined network (Software Defined Network, SDN) is as a kind of emerging based on soft
The network architecture technology of part, maximum feature are the control plane with loose coupling and data plane, support centralization
Network state control realizes bottom-layer network facility to the transparent of upper layer application.It has flexible software programmability so that net
The automatic management of network and control ability obtain unprecedented promotion, can effectively solve the problem that the resource that current network systems are faced
Expansion is limited, networking flexibility is poor, the problems such as being difficult to quickly meet business demand.
There are a kind of resource reclaim mechanism, i.e. SDN controllers to be stood when business discharges resource in existing SDN technologies
It carves in the resource reclaim to resource pool for being released these, has the business of demand to distribute to other.Above-mentioned resource reclaim mechanism
Defect be：If a business is needed using the resource being originally released after a period of time of release resource, and original again
The resource being released may be occupied by other business, then the resource that SDN controllers can only give the traffic assignments new.But it is new
Resource and business there may be unmatched problems, which increase the probability that network breaks down.
Invention content
The application provides a kind of method and device of resource reclaim, for solving business caused by existing resource reclaim mechanism
With the unmatched problem of resource.
To reach above-mentioned purpose, the application adopts the following technical scheme that：
In a first aspect, the application provides a kind of method of resource reclaim, including：
For target resource, recycling duration is set；
The target resource is recycled in first resource pond, it only can be by when the target resource is in first resource pond
Distribute to the business for discharging the target resource；
If the target resource is in the duration in first resource pond and is equal to recycling duration, by the target resource from first
Resource pool is recycled to Secondary resource pond, and the target resource can be assigned to any one business when being in Secondary resource pond.
Second aspect, the application provide a kind of device of resource reclaim, and described device includes：
Setting unit, for recycling duration for target resource setting；
Target resource is recycled in first resource pond by recovery unit for described, and the target resource is in the first money
The business for discharging the target resource can be only assigned to when the pond of source；
The recovery unit is additionally operable to be equal to recycling duration in the duration that the target resource is in first resource pond
In the case of, the target resource is recycled to Secondary resource pond from first resource pond, the target resource is in Secondary resource pond
When can be assigned to any one business.
The third aspect, the application provide a kind of network equipment, including transceiver, memory and one or more processors；
The memory is for storing computer program code, and the computer program code includes instruction, when one or more of
When processor executes described instruction, the network equipment executes any specific implementation such as first aspect or first aspect
Described in method.
Fourth aspect, the application provide a kind of computer readable storage medium, are deposited in the computer readable storage medium
One or more programs are contained, one or more of programs include instruction, when the processor of computer executes described instruction,
The computer executes the method as described in any specific implementation of first aspect or first aspect.
The application provides a kind of method and device of resource reclaim, by the way that recycling duration is arranged to target resource, and by mesh
It marks in resource reclaim to first resource pond.The release mesh can be only assigned to when being in first resource pond due to target resource
The business for marking resource, to which a business can still use the resource being originally released after a period of time of release resource
(i.e. target resource), so as to avoid business and the unmatched problem of new resource, reduces network without using new resource
The probability of failure.In addition, in the case where target resource is in the duration in first resource pond and is equal to recycling duration, by mesh
Mark resource is recycled to Secondary resource pond from first resource pond, and such target resource can be assigned to any one business, from
And ensure the utilization rate of resource.
Description of the drawings
Fig. 1 is a kind of configuration diagram of SDN network；
Fig. 2 is a kind of flow diagram of the method for resource reclaim provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of the device of resource reclaim provided by the embodiments of the present application；
Fig. 4 is a kind of structural schematic diagram of the network equipment provided by the embodiments of the present application.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is specifically situated between
It continues.
As shown in Figure 1, the embodiment of the present application provides a kind of configuration diagram of SDN network.SDN network includes：Application layer
11, SDN controllers (i.e. control layer) 12, physical layer 13, northbound interface 14 and southbound interface 15.
SDN controllers 12 are responsible for the layout of processing data-plane resource, network topology, status information etc. are safeguarded, to transport
Battalion quotient can manage whole network by SDN controllers 12.
In practical applications, SDN controllers 12 are connect by northbound interface 14 with application layer 11, to be carried to application layer 11
For the control ability to Internet resources.In addition, SDN controllers 12 are connect by southbound interface 15 with physical layer 13, to control phase
Close equipment.
Northbound interface 14 is the interface opened to the business of application layer by SDN controllers 12, to the business of application layer
The Internet resources and ability of physical layer can be advantageously called by northbound interface 14.
Southbound interface 15 is the channel of the equipment and 12 signal transmission of SDN controllers of physical layer.Specifically, southbound interface 15
For transmitting relevant equipment state, data flow list item, control instruction etc. between SDN controllers 12 and physical layer 13, with reality
Existing management and control of the SDN controllers 12 to equipment.
Application layer 11 includes all kinds of business, these business are the programming interface that are provided based on SDN controllers to underlying device
It is programmed and realizes.In SDN network, business includes but not limited to：Speech business, network service and data store industry
Business.
Physical layer 13 is hardware device level, is made of forwarding unit.The forwarding unit includes interchanger, router etc..
Physical layer 13 is responsible for data processing, forwarding and state collection based on flow table.
Method to fairly set out a kind of resource reclaim provided by the embodiments of the present application, introducing first can in some embodiments
The concept that can will appear.
In SDN network, resource can be divided into physical resource and logical resource.The physical resource is the money being physically present
Source, such as router port, switch port etc..The logical resource be there is logically but the resource that is physically not present,
Such as address iso-ip Internetworking protocol ISO-IP (Internet Protocol, IP) of port, virtual LAN (Virtual Local
Area Network, VLAN) ID etc..
Resource pool is the set of one group of reusable resource, provides externally shared resource service, while providing for shared
The administrative mechanism of resource.It is understood that SDN controllers can flexibly be moved according to the different demand of business from resource pool
The distribution resource of state.
As shown in Fig. 2, the embodiment of the present application provides a kind of method of resource reclaim, it is applied to SDN network shown in FIG. 1
In, the executive agent of the method is SDN controllers.The method includes：
S101, SDN controller are target resource setting recycling duration.
Wherein, the target resource is the resource that business discharges in dynamic adjustment process.The target resource includes：Object
Manage resource and/or logical resource.
In the embodiment of the present application, a length of target resource is recycled to Secondary resource pond from first resource pond when the recycling
Duration.And the recycling duration of target resource (for ease of description, hereafter will " release with the business for discharging the target resource
The business of the target resource " is referred to as " target service ") grade, the effective range of target resource, the resource of target resource
The parameters such as utilization rate, the resource occupation speed of target resource are related.
The grade of business is used to characterize the significance level of business.Therefore, in order to reduce important business break down it is general
Rate, grade and the recycling duration of business are positively related relationships, i.e. the higher grade of business, the recycling of the resource of business release
Duration is longer.
Optionally, the effective range of the target resource is generally divided into following several ranks：Local port effectively, local network
Network is effective, the whole network is effective.In the embodiment of the present application, the effective range of different stage is generally indicated with different values, and
Value is bigger, indicates that the effective range of resource is bigger.For example, J=1 indicates that resource is effective in local port.J=2, table
Show that resource is effective in local network.J=3 indicates that resource is effective in the whole network.
The resource utilization of the target resource is and the number of resources that in the same type of resource of target resource, is used
With the ratio of total number resource.For example, the number that the sum of VLAN ID, which is 50, VLAN ID, to be used is 25, then the money of VLAN ID
Source utilization rate is 50%.It should be noted that the resource utilization of target resource is higher, illustrate that remaining resource is fewer, it is this
In the case of, the recycling duration of target resource is shorter.
The resource occupation speed of the target resource is for characterizing with the same type of resource of target resource in the unit interval
Interior alteration.It should be noted that the resource occupation speed when a certain resource type is timing, illustrate the type resource quilt
The number used is more than the number being released.Conversely, then illustrating that the number that the type resource is used is fewer than the number being released.
For example, VlAN ID are used 5 in a hour, have been released 3, then the resource occupation speed of VlAN ID is 2
A/hour；VLAN ID are used 3 in one hour, have been released 6, then the resource occupation speed of VLAN ID is -3
A/hour.
Optionally, after considering influence of the above-mentioned parameter to the recycling duration of target resource, SDN controllers can be according to formula
T=(A*I+B) * (C*J*J) * (1-K)/(D*L+E), determines the recycling duration of target resource, wherein T indicates recycling duration, I
Indicate that the grade of target service, J indicate that the effective range of target resource, K indicate that the resource utilization of target resource, L indicate mesh
The resource occupation speed of resource is marked, A, B, C, D and E are preset constant.Illustratively, A=2, B=5, C=2, D=1, E=
0.The embodiment of the present application is not intended to be limited in any this.
Alternatively, according to formula
Determine the recycling duration of the target resource, α, β, ε andFor preset constant.
In a kind of optional realization method, SDN controllers are that recovery time mark, the recovery time is arranged in target resource
Mark is used to indicate the recycling duration of the target resource.
Target resource is recycled in first resource pond by S102, SDN controller.
It should be noted that the target resource can only be assigned to target service when being in first resource pond.
In a kind of optional realization method, SDN controllers are that each business is respectively provided with a corresponding first resource pond,
Each first resource pond is used to temporarily store the resource of corresponding business release.In this case, if target service needs
Target resource is reused, SDN controllers first can search whether that there are the mesh from the corresponding first resource pond of target service
Mark resource.If there are the target resources, SDN controllers to distribute the target resource in first resource pond in first resource pond
To target service.
In another optional realization method, a first resource pond is only arranged in SDN controllers, which is used for
Temporarily store the resource of all business releases.In this case, in order to distinguish the resource for the same type that different business discharges,
SDN controllers need that traffic flag is arranged to target resource, which is used to mark the business of release target resource.From
And when target service needs to reuse target resource, SDN controllers first obtain the traffic flag of target service, and from
The target resource with identical services mark is searched in one resource pool.Finding the target resource with identical services mark
In the case of, target resource is distributed to target service by SDN.
If S103, the target resource, which are in the duration in first resource pond, is equal to recycling duration, by the target resource
It is recycled to Secondary resource pond from first resource pond.
Wherein, the Secondary resource pond is for storing the resource that can distribute to any one business.It should be noted that institute
Any one business can be assigned to by stating when target resource is in Secondary resource pond.
In a kind of optional realization method, monitoring objective resource is in the duration in first resource pond to SDN controllers always.
It is equal to recycling duration when target resource is in the duration in first resource pond, SDB controllers are by target resource from first resource pond
It is recycled to Secondary resource pond.
In another optional realization method, SDN controllers record target resource is recovered to the time in first resource pond,
And time and the recycling duration in first resource pond are recovered to according to target resource, recovery time is calculated.If current time
Reach recovery time, then target resource is recycled to Secondary resource pond by SDN controllers from first resource pond.For example, target
The time in resource reclaim to first resource pond is 12:00, when recycling a length of two hours, then SDN controllers can determine target
The recovery time of resource is 14:00.14 are reached in current time:When 00, SDN controllers return target resource from first resource pond
It receives to Secondary resource pond.
Optionally, it is described target resource is recycled to Secondary resource pond from first resource pond before, if the target provide
Source is equipped with recovery time mark and/or traffic flag, then SDN controllers will also delete the recovery time of the target resource
Mark and/or traffic flag.
The application provides a kind of method of resource reclaim, by the way that recycling duration is arranged to target resource, and by target resource
It is recycled in first resource pond.The release target resource can be only assigned to when being in first resource pond due to target resource
Business, to which business can still use resource (the i.e. target being originally released after a period of time of release resource
Resource), without using new resource, so as to avoid business and the unmatched problem of new resource, reduces network and event occur
The probability of barrier.In addition, in the case where target resource is in the duration in first resource pond and is equal to recycling duration, by target resource
It is recycled to Secondary resource pond from first resource pond, such target resource can be assigned to any one business, to improve
The utilization rate of resource.
As shown in figure 3, the embodiment of the present application provides a kind of device of resource reclaim, for realizing the side of aforementioned resource reclaim
Method.Described device includes：
Setting unit 21, for recycling duration for target resource setting.
Recovery unit 22, for target resource to be recycled in first resource pond, when target resource is in first resource pond
The business for discharging the target resource can be only assigned to.
The recovery unit 22 is additionally operable to be equal to the feelings of recycling duration in the duration that target resource is in first resource pond
Under condition, target resource is recycled to Secondary resource pond from first resource pond, target resource can be divided when being in Secondary resource pond
Any one business of dispensing.
Wherein, the target resource includes：Physical resource and/or logical resource.
In a kind of optional realization method, setting unit 21 is specifically used for according to formula
T=(A*I+B) * (C*J*J) * (1-K)/(D*L+E), determines the recycling duration of the target resource, wherein T tables
Show that recycling duration, I indicate to discharge the grade of the business of the target resource, J indicates that the effective range of target resource, K indicate mesh
The resource utilization of resource is marked, L indicates the resource occupation speed of target resource, and A, B, C, D and E are preset constant.
In a kind of optional realization method, setting unit 21 is specifically used for according to formula
Determine the mesh
Mark the recycling duration of resource, wherein T indicates that recycling duration, I indicate to discharge the grade of the business of the target resource, and J indicates mesh
Mark resource effective range, K indicate target resource resource utilization, L indicate target resource resource occupation speed, A, B, C,
D, E, α, β, ε andIt is preset constant.
In a kind of optional realization method, the setting unit 21, be specifically used for for the target resource setting recycling when
Between indicate, the recovery time mark is used to indicate the recycling duration.
The application provides a kind of device of resource reclaim, by the way that recycling duration is arranged to target resource, and by target resource
It is recycled in first resource pond.The release target resource can be only assigned to when being in first resource pond due to target resource
Business, to which business can still use resource (the i.e. target being originally released after a period of time of release resource
Resource), without using new resource, so as to avoid business and the unmatched problem of new resource, reduces network and event occur
The probability of barrier.In addition, in the case where target resource is in the duration in first resource pond and is equal to recycling duration, by target resource
It is recycled to Secondary resource pond from first resource pond, such target resource can be assigned to any one business, to ensure
The utilization rate of resource.
As shown in figure 4, the embodiment of the present application provides a kind of network equipment, the network equipment includes：Processor 31, storage
Device 32, transceiver 33 and bus 34.The processor 31, memory 32 and transceiver 33 are mutually communicated by the bus 34
Letter.Wherein, the method that the memory 32 is used to store multiple instruction to realize resource reclaim provided by the present application.The processing
Device 31, for recycling duration for target resource setting；Target resource is recycled in first resource pond, target resource is in first
The business for discharging the target resource can be only assigned to when resource pool；If target resource is in the duration in first resource pond
Equal to recycling duration, target resource is recycled to Secondary resource pond from first resource pond, when target resource is in Secondary resource pond
Any one business can be assigned to.
It is worth noting that the target resource includes：Physical resource and/or logical resource.
Further, the processor 31, is additionally operable to according to formula
T=(A*I+B) * (C*J*J) * (1-K)/(D*L+E), determines the recycling duration of the target resource, wherein T tables
Show that recycling duration, I indicate to discharge the grade of the business of the target resource, J indicates that the effective range of target resource, K indicate mesh
The resource utilization of resource is marked, L indicates the resource occupation speed of target resource, and A, B, C, D and E are preset constant.
Further, the processor 31, is additionally operable to according to formula
Determine the mesh
Mark the recycling duration of resource, wherein T indicates that recycling duration, I indicate to discharge the grade of the business of the target resource, and J indicates mesh
Mark resource effective range, K indicate target resource resource utilization, L indicate target resource resource occupation speed, A, B, C,
D, E, α, β, ε andFor preset constant.
Further, the processor 31 is additionally operable to that recovery time mark is arranged for the target resource, when the recycling
Between mark be used to indicate the recycling duration.
Wherein, the processor 31 described in the embodiment of the present application can be a processor, can also be multiple processing elements
General designation.For example, the processor 31 can be central processing unit (Central Processing Unit, abbreviation CPU), also may be used
To be specific integrated circuit (Application Specific Integrated Circuit, abbreviation ASIC), or by with
The one or more integrated circuits for implementing the embodiment of the present application are set to, such as：One or more microprocessors (digital
Signal processor, abbreviation DSP), or, one or more field programmable gate array (Field Programmable
Gate Array, abbreviation FPGA).
Memory 32 can be a storage device, can also be the general designation of multiple memory elements, and for storing and can hold
Line program code etc..And memory 32 may include random access memory (RAM), can also include nonvolatile memory (non-
Volatile memory), for example, magnetic disk storage, flash memory (Flash) etc..
Bus 34 can be industry standard architecture (Industry Standard Architecture, ISA) bus,
External equipment interconnection (Peripheral Component, PCI) bus or extended industry-standard architecture (Extended
Industry Standard Architecture, EISA) bus etc..The bus 34 can be divided into address bus, data/address bus,
Controlling bus etc..For ease of indicating, only indicated with a thick line in Fig. 4, it is not intended that an only bus or a type
Bus.
The embodiment of the present application provides a kind of computer readable storage medium, is stored thereon with computer program, the calculating
Machine program is loaded into when being computer-executed on computer, and computer is made to execute method as shown in Figure 2.
Wherein, computer readable storage medium, such as electricity, magnetic, optical, electromagnetic, infrared ray can be but not limited to or partly led
System, device or the device of body, or the arbitrary above combination.The more specific example of computer readable storage medium is (non-poor
The list of act) include：Electrical connection, portable computer diskette with one or more conducting wires, hard disk, random access memory
(Random Access Memory, RAM), read-only memory (Read-Only Memory, ROM), erasable type may be programmed read-only
Memory (Erasable Programmable Read Only Memory, EPROM), optical fiber, portable compact disc are read-only
Memory (Compact Disc Read-Only Memory, CD-ROM), light storage device, magnetic memory device or above-mentioned
Any appropriate combination.In the embodiment of the present application, can be any include computer readable storage medium or storage program
Tangible medium, the program can be commanded the either device use or in connection of execution system, device.
The same or similar parts between the embodiments can be referred to each other in this specification, and each embodiment stresses
Be all difference from other examples.For device embodiment, implement since it is substantially similar to method
Example, so describing fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
The above, the only specific implementation mode of the application, but the protection domain of the application is not limited thereto, it is any
Change or replacement in the technical scope that the application discloses, should all cover within the protection domain of the application.Therefore, this Shen
Protection domain please should be subject to the protection scope in claims.
Claims (10)
1. a kind of method of resource reclaim, which is characterized in that the method includes：
For target resource, recycling duration is set；
The target resource is recycled in first resource pond, it only can be by when the target resource is in the first resource pond
Distribute to the business for discharging the target resource；
If the target resource is in the duration in the first resource pond and is equal to recycling duration, by the target resource from first
Resource pool is recycled to Secondary resource pond, and the target resource can be assigned to any one business when being in Secondary resource pond.
2. according to the method described in claim 1, it is characterized in that, it is described for target resource setting recycling duration, specifically include：
According to formula T=(A*I+B) * (C*J*J) * (1-K)/(D*L+E), the recycling duration of the target resource is determined, wherein
T indicates that the recycling duration, I indicate to discharge the grade of the business of the target resource, and J indicates effective model of the target resource
It encloses, K indicates that the resource utilization of the target resource, L indicate the resource occupation speed of the target resource, and A, B, C, D and E are equal
For preset constant.
3. according to the method described in claim 1, it is characterized in that, it is described for target resource setting recycling duration, specifically include：
According to formulaDetermine institute
State the recycling duration of target resource, wherein the T expressions recycling duration, the business of the I expression releases target resource etc.
Grade, J indicate that the effective range of the target resource, K indicate that the resource utilization of the target resource, L indicate the target money
The resource occupation speed in source, A, B, C, D, E, α, β, ε andIt is preset constant.
4. according to the method in claim 2 or 3, which is characterized in that described for target resource setting recycling duration, specific packet
It includes：
Recovery time mark is set for the target resource, the recovery time mark is used to indicate the recycling duration.
5. according to the method described in claim 4, it is characterized in that, the target resource includes：Physical resource and/or logic money
Source.
6. a kind of device of resource reclaim, which is characterized in that described device includes：
Setting unit, for recycling duration for target resource setting；
Recovery unit, for the target resource to be recycled in first resource pond, the target resource is in first resource pond
When can only be assigned to the business for discharging the target resource；
The recovery unit is additionally operable to mark the case where duration that resource is in first resource pond is equal to recycling duration described in mesh
Under, the target resource is recycled to Secondary resource pond from first resource pond, the target resource can when being in Secondary resource pond
To be assigned to any one business.
7. device according to claim 6, which is characterized in that the setting unit is additionally operable to according to formula T=(A*I+
B) * (C*J*J) * (1-K)/(D*L+E) determines the recycling duration of the target resource, wherein T indicates the recycling duration, I
Indicate that the grade of the business of the release target resource, J indicate that the effective range of the target resource, K indicate the target money
The resource utilization in source, L indicate that the resource occupation speed of the target resource, A, B, C, D and E are preset constant.
8. device according to claim 6, which is characterized in that the setting unit is additionally operable to according to formulaDetermine the target resource
Recycle duration, wherein T indicates that the recycling duration, I indicate to discharge the grade of the business of the target resource, and J indicates the mesh
The effective range of resource is marked, K indicates that the resource utilization of the target resource, L indicate the resource occupation speed of the target resource
Degree, A, B, C, D, E, α, β, ε andIt is preset constant.
9. device according to claim 7 or 8, which is characterized in that the setting unit is specifically used for providing for the target
Recovery time mark is arranged in source, and the recovery time mark is used to indicate the recycling duration.
10. device according to claim 9, which is characterized in that the target resource includes：Physical resource and/or logic
Resource.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112395074A (en) * | 2019-08-15 | 2021-02-23 | 成都鼎桥通信技术有限公司 | Port allocation method, device, equipment and storage medium |
| CN112466449A (en) * | 2020-12-08 | 2021-03-09 | 微医云(杭州)控股有限公司 | Resource release method and device, electronic equipment and storage medium |
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| CN108390784B (en) | 2019-10-08 |
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