CN107786680A - Method and apparatus for being managed to IP address resources - Google Patents
Method and apparatus for being managed to IP address resources Download PDFInfo
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- CN107786680A CN107786680A CN201610786697.9A CN201610786697A CN107786680A CN 107786680 A CN107786680 A CN 107786680A CN 201610786697 A CN201610786697 A CN 201610786697A CN 107786680 A CN107786680 A CN 107786680A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/30—Managing network names, e.g. use of aliases or nicknames
Abstract
The invention discloses a kind of method and apparatus for being managed to IP address resource, it is related to the network technology communications field.Method therein includes：Determine the IP address resource using status of each edge device；According to IP address resource using status judge whether to need to issue new IP address resource or the allocated IP address resource of recovery to edge device；IP address resource is managed according to judged result.The address resource use state that explorer of the present invention can report according to edge device timing makes decisions, issue and reclaim automatically on demand IP address resource, therefore, it is possible to avoid edge device active application way may caused by excessive application and the recovery problem of resource waste such as not in time of address resource.
Description
Technical field
The present invention relates to the network technology communications field, more particularly to a kind of method for being managed to IP address resource
And device.
Background technology
With the continuous development of Internet technology, the demand presentation of Internet user and terminal device to IP address resource is bright
The trend of aobvious growth, existing IPv4 address resources are depleted, and the in short supply of address resource has become operator's net
The problem of in the urgent need to address in network.Edge device such as BRAS (the Broadband Remote in traditional IP network
Access Server, Broadband Remote Access Server) equipment be responsible for give terminal user distribute service IP address, at present in network,
Each edge device needs the IP address block that manual configuration fixes and address Pooled resources to meet the online of a large amount of Internet users
Demand, the problem of this has resulted in IP address resource allocation uneven and the wasting of resources, and once there is address situation in short supply
The modes such as device configuration can only be changed by dilatation and manually to solve, maintenance cost height and easily error.
IP network edge device such as BRAS equipment, fire wall, CGN (Carrier-grade NAT, carrier-class net at present
Network address conversion) the IP address resource such as equipment uses address block association address pond, and address pool associated domain (domain) is matched somebody with somebody manually
The mode of putting realizes that every equipment is needed to monopolize fixed IP address resource, and user's online is entered by associating the domain specified
Row certification obtains service IP address.The mode of relatively intelligent is triggered by equipment, is entered Mobile state with IP address resource management system and is handed over
Mutually, dynamic application issues and reclaimed address resource, and resource management system is only responsible for response apparatus demand, and distributes available address
Used to equipment.
Fig. 1 is the workflow diagram that edge device triggers pattern, IP network edge device (by taking vBRAS as an example) and IP address
Explorer is connected, and has fixed IP address resource distribution on vBRAS, is reserved with IP address explorer certain
Idle assignable IP address resource.Tackle address resource deficiency and the scene of address resource free time, main working process description
It is as follows：
When vBRAS equipment detects that local address resource reaches alarming threshold value, triggering address resource issues request and disappeared
Breath, is sent to address resource management device；Address resource management device checks locally whether available free IP address resource is available for distributing,
If address can be divided, then judgement issues the Address requests issuing message of simultaneously response apparatus side, and new IP address resource is carried out
Issue.If local can divide without free address, the distribution failure of response apparatus side；When vBRAS equipment detects locally there is address
Resource space idle, initiate address resource and reclaim request message to explorer, explorer is received after message to reclaim
Address resource verified, verification pass through after adjudicate recovery, and response apparatus side address recovery request, the sector address is remembered
Record in local address resources bank, complete reclaimer operation.
IP address resource automatic distribution system can not meet address resource overall situation intelligent management using device request pattern
Demand, and also do not carry out differentiation for equipment in automatic assigning process and treat, it is impossible to meet existing network emphasis equipment and side
The resource guarantee demand of edge equipment.
The content of the invention
The invention solves a technical problem be to provide one kind and disclosure satisfy that address resource overall situation intelligent management demand
For the scheme that is managed to IP address resource.
According to an aspect of the present invention, a kind of method for being managed to IP address resource is proposed, including：Determine each side
The IP address resource using status of edge equipment；According to IP address resource using status judge whether to need to issue to edge device
New IP address resource or the allocated IP address resource of recovery；IP address resource is managed according to judged result.
Further, this method also includes：Obtain the priority of edge device；According to the priority of edge device and IP
Location resource using status judges whether to need to issue new IP address resource to edge device or the allocated IP address of recovery provides
Source.
Further, it is determined that the IP address resource using status of each edge device includes：Receive the address block of edge device
Utilization rate parameter；The address utilization rate of the affiliated address pool of address block is determined according to the address block utilization rate parameter of edge device；Root
The address utilization rate in the affiliated domain of address pool is determined according to the address utilization rate of the affiliated address pool of address block.
Further, judge whether to need to issue new IP address money to edge device according to IP address resource using status
Source includes：If the address utilization rate in the affiliated domain of the address pool of edge device exceedes threshold value, it is determined that issues the free time to edge device
Address resource.
Further, if the address utilization rate in the affiliated domain of the address pool of edge device exceedes threshold value, in addition to:Inquire about edge
The priority of equipment, judge whether preferentially to issue free address resource to edge device；If desired free address money is preferentially issued
Source, then IP address resource type corresponding to edge device priority is selected, and by the free address block in IP address resource type
It is issued to edge device.
Further, this method also includes：If without idly in IP address resource type corresponding to edge device priority
Location resource, then free address block is chosen from less than IP address resource type corresponding to edge device priority and be issued to edge and set
It is standby.
Further, judge whether to need to edge device with reclaiming allocated IP according to IP address resource using status
Location resource includes：If the address block utilization rate parameter of edge device is less than or equal to address block Tidle threshold, it is determined that to edge
Equipment reclaims allocated address block.
Further, if the address block utilization rate parameter of edge device is less than or equal to address block Tidle threshold, it is determined that
Reclaiming allocated address block to edge device includes：The priority of edge device is inquired about, judging the address block of edge device makes
Whether it is less than or equal to address block Tidle threshold corresponding to edge device priority with rate parameter；If the address block of edge device makes
It is less than or equal to address block Tidle threshold corresponding to edge device priority with rate parameter, and the address block of edge device is idle
Duration exceedes the idle waiting time corresponding to edge device priority, it is determined that reclaims allocated address block to edge device.
Further, this method also includes：If the address block utilization rate parameter of edge device is less than or equal to edge device
Address block Tidle threshold corresponding to priority, and the address block free time length of edge device is not less than edge device priority pair
The idle waiting time answered, then judge whether to need the allocated address block of urgent recovery edge device；If desired it is urgent to return
Receive the allocated address block of edge device, it is determined that reclaim allocated address block to edge device.
According to another aspect of the present invention, it is also proposed that a kind of device for being managed to IP address resource, including：Ground
Location block status data administrative unit, for determining the IP address resource using status of each edge device；Address block scheduling strategy is sentenced
Certainly unit, for judging whether to need to issue new IP address resource to edge device or return according to IP address resource using status
Receive allocated IP address resource；Address block scheduling decision execution unit, for being carried out according to judged result to IP address resource
Management.
Further, including priority facility administrative unit；Priority facility administrative unit is used to obtain edge device
Priority；Address block scheduling strategy decision unit is used to be judged according to the priority and IP address resource using status of edge device
Whether need to issue new IP address resource or the allocated IP address resource of recovery to edge device.
Further, block status data administrative unit in address is used for the address block utilization rate parameter for receiving edge device, root
The address utilization rate of the affiliated address pool of address block is determined according to the address block utilization rate parameter of edge device, according to address block institute possession
The address utilization rate in location pond determines the address utilization rate in the affiliated domain of address pool.
Further, if the address that address block scheduling strategy decision unit is used for the affiliated domain of address pool of edge device uses
Rate exceedes threshold value, it is determined that issues free address resource to edge device.
Further, address block scheduling strategy decision unit is additionally operable to inquire about the priority of edge device, judges whether excellent
Free address resource first is issued to edge device, if desired preferentially issues free address resource, then selects edge device priority
Corresponding IP address resource type, and the free address block in IP address resource type is issued to edge device.
Further, if address block scheduling strategy decision unit is additionally operable to IP address resource corresponding to edge device priority
Without free address resource in type, then free address is chosen from less than IP address resource type corresponding to edge device priority
Block is issued to edge device.
Further, if address block scheduling strategy decision unit be used for edge device address block utilization rate parameter be less than or
Equal to address block Tidle threshold, it is determined that reclaim allocated address block to edge device.
Further, address block scheduling strategy decision unit is additionally operable to inquire about the priority of edge device, judges that edge is set
Whether standby address block utilization rate parameter is less than or equal to address block Tidle threshold corresponding to edge device priority, if edge is set
Standby address block utilization rate parameter is less than or equal to address block Tidle threshold corresponding to edge device priority, and edge device
Address block free time length exceed the idle waiting time corresponding to edge device priority, it is determined that to edge device recovery divided
The address block matched somebody with somebody.
Further, if the address block utilization rate parameter that address block scheduling strategy decision unit is additionally operable to edge device is less than
Or equal to address block Tidle threshold corresponding to edge device priority, and the address block free time length of edge device is not less than side
The idle waiting time corresponding to edge priority facility, then judge whether to need the allocated address of urgent recovery edge device
Block, if desired promptly reclaim the allocated address block of edge device, it is determined that reclaim allocated address block to edge device.
Compared with prior art, the present invention is determined whether to under edge device according to device address block use state information
The IP address resource or the allocated IP address resource of recovery for sending out new, can avoid edge device active application way from causing
Excessive application and the recovery problem of resource waste such as not in time of address resource.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing of a part for constitution instruction describes embodiments of the invention, and is used to solve together with the description
Release the principle of the present invention.
Referring to the drawings, according to following detailed description, the present invention can be more clearly understood, wherein：
Fig. 1 triggers address resource allocation process diagram for equipment in the prior art.
Fig. 2 is the schematic flow sheet of one embodiment that the present invention is used for the method being managed to IP address resource.
Fig. 3 is the schematic flow sheet for another embodiment that the present invention is used for the method being managed to IP address resource.
Fig. 4 is the schematic flow sheet of one embodiment that the present invention is used for IP address resource delivery method.
Fig. 5 is the schematic flow sheet of one embodiment that the present invention is used for IP address its recovery method as resource.
Fig. 6 is the structural representation of one embodiment that the present invention is used for the device being managed to IP address resource.
Fig. 7 is the structural representation for another embodiment that the present invention is used for the device being managed to IP address resource.
Fig. 8 is the structural representation of one embodiment that the present invention is used for the device application being managed to IP address resource
Figure.
Fig. 9 is the schematic diagram of one embodiment of concrete application of the present invention.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless have in addition
Body illustrates that the unlimited system of part and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The scope of invention.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
The description only actually at least one exemplary embodiment is illustrative to be never used as to the present invention below
And its application or any restrictions that use.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
Fig. 2 is the schematic flow sheet of one embodiment that the present invention is used for the method being managed to IP address resource.Should
Method is performed by explorer, is comprised the following steps：
In step 210, the IP address resource using status of each edge device is determined.For example, BRAS equipment timing reports certainly
Body address block utilization rate parameter, and the address utilization rate of its affiliated address pool is calculated by explorer, and according to address pool
Address utilization rate determines the address utilization rate in the affiliated domain of address pool (domain).Wherein, the utilization rate of address block is to have distributed to
The accounting of the address number of terminal user and all number of addresses of the address block (removes host address, broadcast address and gateway address
Outer available address)；The address utilization rate of address pool is all number of addresses for being already allocated to terminal user in the address pool
All address blocks included with the address pool number of addresses sum accounting (each address block be required for remove host address,
Broadcast address and gateway address)；Domain address utilization rate is that the number of addresses of terminal user is already allocated under the domain
(each address block is required for removing main frame the accounting of the address sum for the address block that amount includes with each address pool in the domain
Address, broadcast address and gateway address).
In step 220, judge whether to need to issue new IP address to edge device according to IP address resource using status
Resource or the allocated IP address resource of recovery.I.e. explorer calculates some domain address utilization rate more than alarm
During thresholding, it can select to issue a free address block to some existing address pool, and new address block can be with address pool
Gateway, DNS matching, ensure distribution address availability；An address pool can also be newly issued to the domain, including
The parameter such as one new address block and corresponding gateway and DNS, ensure the availability of distribution address.In addition, if edge is set
Standby address block utilization rate parameter is less than or equal to address block Tidle threshold, it is determined that to edge device recovery allocatedly
Location block.
In step 230, IP address resource is managed according to judged result, i.e., explorer is on demand to edge device
Issue new IP address resource or the allocated IP address resource of recovery.
In this embodiment, the address resource use state that explorer can report according to edge device timing is carried out
Judgement, issues and reclaims automatically on demand IP address resource, address caused by edge device active application way can be avoided possible
Excessive application and the recovery problem of resource waste such as not in time of resource.
Fig. 3 is the schematic flow sheet for another embodiment that the present invention is used for the method being managed to IP address resource.
This method comprises the following steps：
In step 310, explorer determines the IP address resource using status of each edge device.
In step 320, explorer obtains the priority of edge device.For example, for different edge device configurations not
Same priority parameters, the edge device of different priorities use different address allocation policies, preferential to ensure that priority is high
The address need of equipment, there is provided address resource differentiated service, ensure that the resource of emphasis equipment uses preferentially.
In step 330, explorer judges whether according to the priority and IP address resource using status of edge device
Need to issue new IP address resource or the allocated IP address resource of recovery to edge device.For example, the side of different priorities
Edge equipment corresponds to different magnitude of address block resource and Tidle threshold and stand-by period, when more edge of table equipment while applies limited
Address resource when, the address distribution of the preferential equipment for ensureing that priority is high；When address resource scarcity, priority is reclaimed first
The free address block of low equipment, ensure visual plant resource allocation.
In step 340, explorer according to judged result on demand to the edge device issue new IP address resource or
Reclaim allocated IP address resource.
In this embodiment, explorer uses different address allocation policies for the equipment of different priorities, when
During the resource scarcity of explorer, the address resource that can ensure visual plant first by the priority of equipment distributes, and
And the urgent recovery process of the free address of low priority equipment can be started, it is different etc. so that higher priority devices use
Level equipment provides differentiated service.
Fig. 4 is the schematic flow sheet of one embodiment that the present invention is used for IP address resource delivery method.This method includes
Following steps：
In step 410, each edge device reports respective address block utilization rate parameter to explorer.
In step 420, explorer determines the affiliated address of address block according to the address block utilization rate parameter of edge device
The address utilization rate in pond, the address utilization rate in the affiliated domain of address pool is determined according to the address utilization rate of the affiliated address pool of address block.
In step 430, judge whether the address utilization rate in the affiliated domain of address pool of edge device exceedes threshold value, if exceeding threshold
Value then performs step 440, otherwise continues executing with step 410.
In step 440, the priority of edge device is inquired about.
In step 450, judge whether preferentially to issue free address resource to the edge device, if then performing step 460,
Otherwise, wait in line to issue.It is preferential to ensure that priority is high when having more edge of table equipment while applying for preferential address resource
The address distribution of equipment.
In step 460, IP address resource type corresponding to selection edge device priority, the corresponding free time is determined whether
Address resource, if available free address resource, step 470 is performed, if IP address resource type corresponding to edge device priority
Middle no free address resource, then perform step 480.
In step 470, the free address resource in IP address resource type is issued to edge device.
In step 480, selection free address resource is issued to edge device from the IP address resource type of low one-level.
For example, priority facility is followed successively by with address field corresponding relation from high to low：
0：Preferential distribution A0 address blocks (such as 500-1024 address) can such as divide without the type address, selection point of successively decreasing downwards
Match somebody with somebody.
1：Preferential distribution A1 address blocks (such as 255-512 address) can such as divide without the type address, selection point of successively decreasing downwards
Match somebody with somebody.
2：Preferential distribution A2 address blocks (such as 50-255 address) can such as divide without the type address, selection point of successively decreasing downwards
Match somebody with somebody.
3：Preferential distribution A3 address blocks are (such as<50 addresses) it can such as divide without the type address, reverting equipment distribution failure.
In step 490, update the state of address resource and write DB (Database, database) stored record daily record.
In this embodiment, the address use state that explorer reports according to edge device, judges that current address makes
With whether threshold value is exceeded, then normal response equipment continues timing report flow to non-superthreshold.Then query facility is used more than threshold value
Priority, it is confirmed whether preferential down distributing resource, enters if non-preferential equipment and wait in line state, if preferentially issued, money
One section of free address of address resource type and preferential therefrom selection is entered corresponding to the source manager meeting prioritizing selection priority facility
Row is issued to equipment, if address resource corresponding to priority does not have the free time to distribute, is preferentially selected from the resource of low one-level
Free address resource is taken to be issued.Issue and successfully update the state of address resource afterwards and write DB stored record daily records.Therefore,
The embodiment can be calculated by the explorer overall situation and decision-making, can be first when the resource scarcity of explorer
The address resource distribution of visual plant is ensured, that is, realizes more fine-grained distribution, meets differentiation requirement of the network to equipment, carries
The high service efficiency of address resource.
Fig. 5 is the schematic flow sheet of one embodiment that the present invention is used for IP address its recovery method as resource.This method includes
Following steps：
In step 510, each edge device reports respective address block utilization rate parameter to explorer.
In step 520, inquire about edge device priority and selection corresponding to Tidle threshold and idle waiting time.Such as
Priority facility and address block take-back strategy corresponding relation are as follows：
0：Tidle threshold is N0, and the idle waiting time is T0 (in the T0 times, if certain address block utilization rate is equal<=N0, can
Judge recovery).
1：Tidle threshold is N1, and the idle waiting time is T1 (N1>=N0, T1<=T0).
2：Tidle threshold is N2, and the idle waiting time is T2 (N2>=N1, T2<=T1).
3：Tidle threshold is N3, and the idle waiting time is T3 (N3>=N2, T3<=T2).
In step 530, judge whether the address block utilization rate parameter of edge device is less than or equal to edge device priority
Corresponding address block Tidle threshold, if performing step 540 less than or equal to if, otherwise continue executing with step 510.
In step 540, judge whether the address block free time length of edge device exceedes sky corresponding to edge device priority
The not busy stand-by period, if performing step 550 more than if, otherwise perform step 560.
In step 550, allocated address block is reclaimed to edge device.Delete corresponding business configuration and ground in equipment side
Recovery command success is replied after the resource distribution of location.
In step 551, update the state of address resource and write DB stored record daily records.
In step 560, judge whether to need the allocated address block of urgent recovery edge device, if desired then perform step
Rapid 550, otherwise perform step 561.
If explorer Current resource is nervous, it is necessary to carry out the urgent recovery of resource to the low equipment of priority,
Start recovery process immediately.
In step 561, free time length is recorded, allocated address block wouldn't be reclaimed, and write DB stored record daily records.
In this embodiment, the address use state that explorer reports according to edge device, query facility it is preferential
Tidle threshold and idle waiting time corresponding to level and selection, judging the address of all address blocks of the equipment made as judgment criteria
With whether idle recovery condition is met, when persistently meeting address Tidle threshold condition in the idling cycle in setting, then start back
Flow is received, reclaims then send recovery command to equipment immediately, corresponding business configuration and address resource configuration are deleted in equipment side
Recovery command success is replied afterwards, and explorer renewal address resource state simultaneously writes DB stored record daily records.If not less than
The idle waiting time, then checked whether currently to be whether the resource tension time needs the equipment low to priority to enter by explorer
The urgent recovery of row resource, then carried out if necessary to recovery according to the flow reclaimed immediately, if need not promptly reclaim, resource
Manager records free time length, wouldn't reclaim.Therefore, the embodiment priority facility is different, and take-back strategy is also different, priority
Higher device address resource reclaim thresholding is higher, avoids the frequent recovery of higher priority devices address resource, and work as resource pipe
When managing the resource scarcity of device, the urgent recovery process of the free address of low priority equipment can be started, so that high priority is set
It is standby to use, provide differentiated service for different brackets equipment.
Fig. 6 is the structural representation of one embodiment that the present invention is used for the device being managed to IP address resource.Should
Device is explorer, including address block status data administrative unit 610, address block scheduling strategy decision unit 620 and ground
Location block scheduling decision execution unit 630, wherein：
Address block status data administrative unit 610 is used for the IP address resource using status for determining each edge device.For example,
BRAS equipment timing reports Self address block utilization rate parameter, and the address use of its affiliated address pool is calculated by explorer
Rate, and determine according to the address utilization rate of address pool the affiliated domain of address pool address utilization rate.Wherein, the use of address block
Rate is that the accounting of the address number and all number of addresses of the address block of having distributed to terminal user (removes host address, broadcast ground
Available address outside location and gateway address)；The address utilization rate of address pool is that all terminals that are already allocated to are used in the address pool
(each address block is required for removing the accounting of the number of addresses sum for all address blocks that the number of addresses at family includes with the address pool
Remove host address, broadcast address and gateway address)；Domain address utilization rate is that terminal use is already allocated under the domain
(each address block needs the accounting of the address sum for the address block that the number of addresses at family includes with each address pool in the domain
Remove host address, broadcast address and gateway address).
Address block scheduling strategy decision unit 620 is used to judge whether to need to edge according to IP address resource using status
Equipment issues new IP address resource or the allocated IP address resource of recovery.I.e. explorer calculates some domain's
When address utilization rate exceedes alarming threshold, it can select to issue a free address block to some existing address pool, and newly
Address block can match with gateway, the DNS of address pool, ensure the availability of distribution address；The domain can also newly be issued
One address pool, including parameters such as a new address block and corresponding gateway and DNS, ensure the available of distribution address
Property.In addition, if the address block utilization rate parameter of edge device is less than or equal to address block Tidle threshold, it is determined that to the edge
Equipment reclaims allocated address block.
Address block scheduling decision execution unit 630 is used to be managed IP address resource according to judged result.I.e. on demand
New IP address resource or the allocated IP address resource of recovery are issued to edge device.
In this embodiment, the address resource use state that explorer can report according to edge device timing is carried out
Judgement, issues and reclaims automatically on demand IP address resource, address caused by edge device active application way can be avoided possible
Excessive application and the recovery problem of resource waste such as not in time of resource.
Fig. 7 is the structural representation for another embodiment that the present invention is used for the device being managed to IP address resource.
The device includes address block status data administrative unit 710, priority facility administrative unit 720, the judgement of address block scheduling strategy
Unit 730 and address block scheduling decision execution unit 740, wherein：
Address block status data administrative unit 710 is used for the IP address resource using status for determining each edge device.
Priority facility administrative unit 720 is used for the priority for obtaining edge device.For example, match somebody with somebody for different edge devices
Different priority parameters are put, the edge device of different priorities uses different address allocation policies, preferentially ensures priority
The address need of high equipment, there is provided address resource differentiated service, ensure that the resource of emphasis equipment uses preferentially.
Address block scheduling strategy decision unit 730 is used for priority and IP address resource using status according to edge device
Judge whether to need to issue new IP address resource or the allocated IP address resource of recovery to edge device.It is for example, different excellent
The edge device of first level corresponds to different magnitude of address block resource and Tidle threshold and stand-by period, when more edge of table equipment simultaneously
When applying for limited address resource, the address distribution of the preferential equipment for ensureing that priority is high；When address resource scarcity, return first
The free address block of the low equipment of priority is received, ensures visual plant resource allocation.
Address block scheduling decision execution unit 740 is used for according to judged result with issuing new IP to the edge device on demand
Location resource or the allocated IP address resource of recovery.
In this embodiment, carried out by priority facility from different IP address resource classifications correspondingly, to address resource
More fine-grained division, meet that distinct device distributes the design of different types of address resource, when the resource of explorer is tight
When lacking, the address resource that can ensure visual plant first according to the priority of equipment distributes, and can start low priority
The urgent recovery process of the free address of equipment, so that higher priority devices use, differentiation clothes are provided for different brackets equipment
Business.
In another embodiment of the present invention, address block status data administrative unit 710 is used to receive each edge device
The respective address block utilization rate parameter reported, the address for determining the affiliated address pool of address block according to address block utilization rate parameter use
Rate, the address utilization rate in the affiliated domain of address pool is determined according to the address utilization rate of the affiliated address pool of address block.Priority facility pipe
Reason unit 720 is used for the priority for obtaining edge device.Address block scheduling strategy decision unit 730 is used to inquire about edge device
Priority, and judge whether preferentially to issue free address resource to edge device, if desired preferentially issue the free address money
Source, then IP address resource type corresponding to edge device priority is selected, and by the free address block in IP address resource type
It is issued to edge device；If without free address resource in IP address resource type corresponding to edge device priority, from low one
Free address block is chosen in the IP address resource type of level and is issued to edge device.Address block scheduling decision execution unit 740 is used
In new IP address resource is issued to the edge device on demand according to judged result.
In this embodiment, the address use state that explorer reports according to edge device, judges that current address makes
With whether threshold value is exceeded, then normal response equipment continues timing report flow to non-superthreshold.Then query facility is used more than threshold value
Priority, it is confirmed whether preferential down distributing resource, enters if non-preferential equipment and wait in line state, if preferentially issued, money
One section of free address of address resource type and preferential therefrom selection is entered corresponding to the source manager meeting prioritizing selection priority facility
Row is issued to equipment, if address resource corresponding to priority does not have the free time to distribute, is preferentially selected from the resource of low one-level
Free address resource is taken to be issued.Therefore, the embodiment can be calculated and decision-making by the explorer overall situation, work as resource
During the resource scarcity of manager, the address resource distribution of visual plant can be ensured first, that is, realizes more fine-grained distribution, it is full
Differentiation requirement of the sufficient network to equipment, improve the service efficiency of address resource.
In another embodiment of the present invention, address block status data administrative unit 710 is used to receive each edge device
The respective address block utilization rate parameter reported.Priority facility administrative unit 720 obtains the priority of edge device.Address block is adjusted
Degree policy decision element 730 is used for Tidle threshold and idle waiting time corresponding to the priority for inquiring about edge device and selection,
Judge whether the address block utilization rate parameter of edge device is less than or equal to address block free time threshold corresponding to edge device priority
Value, if the address block utilization rate parameter of edge device is less than or equal to address block Tidle threshold corresponding to edge device priority,
And the address block free time length of edge device exceedes the idle waiting time corresponding to edge device priority, it is determined that to edge
Equipment reclaims allocated address block；If the address block utilization rate parameter of edge device is less than or equal to edge device priority pair
The address block Tidle threshold answered, but the address block free time length of edge device is not less than free time etc. corresponding to edge device priority
Treat the time, then judge whether to need the allocated address block of urgent recovery edge device, if desired promptly reclaim edge device
Allocated address block, it is determined that reclaim allocated address block to edge device.Address block scheduling decision execution unit 740
For issuing new IP address resource to the edge device according to judged result.
In this embodiment, the address use state that explorer reports according to edge device, query facility it is preferential
Tidle threshold and idle waiting time corresponding to level and selection, judging the address of all address blocks of the equipment made as judgment criteria
With whether idle recovery condition is met, when persistently meeting address Tidle threshold condition in the idling cycle in setting, then start back
Flow is received, reclaims then send recovery command to equipment immediately.If not less than the idle waiting time, checked by explorer
Whether currently the equipment low to priority whether is needed to carry out the urgent recovery of resource for the resource tension time, recovery if desired is then
Carried out according to the flow reclaimed immediately.Therefore, the embodiment priority facility is different, and take-back strategy is also different, and priority is higher
Device address resource reclaim thresholding it is higher, avoid the frequent recovery of higher priority devices address resource, and work as explorer
Resource scarcity when, the urgent recovery process of the free address of low priority equipment can be started, so that higher priority devices make
With providing differentiated service for different brackets equipment.
Fig. 8 is the structural representation of one embodiment that the present invention is used for the device application being managed to IP address resource
Figure, it is explorer that this, which is used for the device that IP address resource is issued and reclaimed, wherein：
Explorer UI 810 is responsible for opening keeper the relevant configurations such as importing and the equipment for carrying out IP address resource.
All configuration informations and the information of state reporting are stored in DB 820, unit need to call related message and
Parameter is read from DB 820.
Each edge device 830 will by AMA (Address Management Agent, Address Management Proxy) node 840
The address block status data management that respective address block utilization rate parameter reports to explorer by information reporting interface 850 is single
Member 860, address block status data administrative unit 860 is by the information reporting received to DB 820.Wherein, AMA nodes 840 are mainly complete
Forming apparatus docks with address resource management device, completes the issuing and reclaim of IP address relevant configuration, the timing of address use state
Report and equipment heartbeat message such as reports at the function.Specifically, different device types, AMA nodes 840 and money are directed to
Communication protocol between source manager can select netconf or radius agreements.
The precedence information of equipment can be stored in DB 820 by priority facility administrative unit 861.Address block is dispatched
Policy decision element 862 obtains device address block use state information and precedence information from DB 820, and according to equipment
Address block use state information and precedence information determine whether to issue new IP address resource or recovery to edge device
The IP address resource of distribution, and will determine that result is sent to address block scheduling decision execution unit 863, address block scheduling decision is held
The AMA nodes 840 that row unit 863 issues interface 851 to each edge device 830 according to judged result by message are sent accordingly
Order.In addition, the AMA nodes 840 of each edge device 830 can also by heart beat interface 852 by equipment heartbeat message send to
Heartbeat and configuration management element 864, heartbeat and configuration management element 864 can also be matched somebody with somebody accordingly to each edge device 830
Put, such as configuration priority facility, utilization rate alarming threshold, Tidle threshold and stand-by period etc..
In this embodiment, explorer can carry out global calculation and decision-making, and based on address use state and set
Standby priority issues and reclaimed automatically on demand IP address resource, caused by edge device active application way can be avoided possible
Excessive application and the recovery problem of resource waste such as not in time of location resource.In addition, the present embodiment is small to the change of existing network framework, it is only necessary to
The Address Management Proxy node and address resource management device of equipment interact, reduce manual configuration workload, reduce safeguard into
This.
Fig. 9 is the schematic diagram of one embodiment of concrete application of the present invention.With a vBRAS equipment and an entity B RAS
Exemplified by equipment, vBRAS equipment passes through Netconf interfaces and Radius interfaces and explorer pair respectively with entity B RAS equipment
Connect interconnection.
Firstly the need of the information that the address resource correlation for needing to manage is imported or configured in explorer, including：
(IPv4 refers to network address and mask, IPv6 by IPv4, IPv6 address block block name, id, prefix and prefix length
Refer to network prefix and prefix length) and its parameter such as corresponding gateway, DNS.Then need to configure global policies parameter, bag
Include：Equipment timing report cycle, alarm threshold thresholding, equipment heart time, equipment sampling period etc..Then in explorer
Some of the upper management ip address for adding the equipment connected and port, the type (vbras, bras, cgn etc.) of equipment and equipment
Essential information describes.
Then device configuration priority is given, gives tacit consent to that the priority of all devices is identical, keeper is according to the customer volume of equipment
And importance is that equipment distributes different priority.It is device configuration domain according to plan of operation after the completion of equipment addition,
The address block type that each domain can be distributed with configuration preference, as do not configured, system issues ground at random according to priority facility
Location block.Different according to the priority of equipment, keeper can be ensured with configuration address block Tidle threshold and idle waiting time parameter
The otherness of the idle recovery of different priorities equipment.If do not configured, then different priorities are set according to the parameter of system default
It is standby to carry out address block recovery judgement.
After equipment is reached the standard grade first, explorer according to configuration connect equipment, explorer can by global parameter with
And equipment id and domain configuration distributing is to equipment, such as：
Vbras device configurations are as follows：
(1) priority is 0 (high priority)
(2) it is configured with pppoe domain
(3) distribution of domain addresses is corresponding with A0 class address blocks (preferentially distributes the domain A0 class address blocks, A0 addresses
Block is 500-1024 number of addresses)
(4) it is 0 to configure Tidle threshold, i.e., address block utilization rate is 0, is judged once idle；The idle waiting time is on 5
Cycle T is reported, i.e., when the utilization rate of the address block is 0 in 5 continuous report cycles, determines that it is idle and starts recovery process
Bras device configurations are as follows：
(1) priority is 2 (priority low with respect to vbras)
(2) it is configured with ipoe domain
(3) distribution of domain addresses is corresponding with A2 class address blocks (preferentially distributes the domain A2 class address blocks, A2 addresses
Block is 50-255 number of addresses)
(4) it is 0 to configure Tidle threshold, i.e., address block utilization rate is 0, is judged once idle；The idle waiting time is on 3
Cycle T is reported, i.e., when the utilization rate of the address block is 0 in 3 continuous report cycles, determines that it is idle and starts recovery stream
Journey.
When explorer is with equipment successful connection and after issue configuration parameter, the different domain distribution of equipment can be given silent
The address resource recognized.In this example, explorer can be handed down to mono- address pool of pppoe domain of vbras equipment
Ippool1 and associated with a sector address block ipblock1 (number of addresses of ipblock1 address block be 1024, meet equipment
The number of addresses demand of the A0 class address blocks of configuration)；Mono- address of ipoe domain for the bras equipment reached the standard grade is handed down to simultaneously
Pond ippool2 and associated with another sector address block ipblock2 (number of addresses of ipblock2 address block be 255, meet
The number of addresses demand of the A2 class address blocks of device configuration).And the address block issued is by corresponding gateway and DNS phases
Match somebody with somebody.After initial issue, two equipment can think that user distributes business IP address argument.
Two equipment regularly report making for respective ipblock1, ipblock2 according to the timing report cycle time issued
With rate to explorer, explorer according to the utilization rate of ipblock1, ipblock2 address block calculate ippool1 and
Ippool2 address average service rate and pppoe domains, the address average service rate in ipoe domains, and by domain domain address
Average service rate is compared with address shortage alarming threshold threshold value, and some domain address resource averagely makes under normal circumstances
It is less than threshold value with rate, the utilization rate information of explorer recording equipment simultaneously replys response message.
It is assumed that the alarming threshold threshold value set is 80%, when vbras equipment is reached the standard grade a large number of users application services addresses suddenly,
Cause a certain moment explorer calculate vbras equipment pppoe domain address average service rate be 81%, resource
Manager finds that exceeding alarm threshold thresholding triggers new address block allocation flow by being compared with alarm threshold.Explorer
According to the management corresponding with address block of the priority of device configuration, first look for whether having assignable A0 classes free address block (
Location number is at 500-1024), confirm have, then choose the ipblock3 address blocks in A0 classes address, the address block and ippool1
Existing gateway can associate matching with dns, that is to say ipblock1, ipblock3 can use a set of gateway and
Dns, it so just can guarantee that user can be normally carried out accessing after being assigned to IP address.If explorer can not find with
The address block of ippool1 existing gateway and dns matching, then by the ipblock3 selected, newly one ippool3 of association is issued
Into the pppoe domains of vbras equipment, ipblock3 availability is realized by way of newly establishing an ippool.Work as resource
On manager during the resource scarcity of address, when not having the free address block of A0 classes to be available for distribution after local search, explorer will
Meeting is chosen from A1 class free address block (address number is 255-512), and selection principle is consistent, can if still no
With then being chosen again into lower a kind of address block, all kinds of addresses of extreme case can be divided without free address block, then feedback device
Distribution failure simultaneously sends the overall deficiency alarm of address resource to keeper.Explorer can be carried out to the allocated address block
Status indication, the repetition of address block is avoided to issue.
During the timing of bras equipment reports the utilization rate of address block, there are customer service application IP addresses in certain period
Tidal effect, the address block now applied in the equipment is ipblock2 and ipblock4, and explorer passes through 3
The monitoring of report cycle, the utilization rates of ipblock4 address blocks in bras equipment is found always not higher than Tidle threshold, now
Explorer can start free address block recovery process, when being judged to reclaiming free address immediately, according to recovery decision flow
Journey issues ipblock4 address block recovery command to bras equipment, and bras equipment deletes sector address block correlation after receiving instruction
Route issue etc. business configuration and delete ipblock4 configuration, reclaim successfully backward explorer and feed back to harvest work(and disappear
Breath, explorer receive the status set " free time " of the address block after message, can continue as other equipment and be allocated.
When the extreme case of inadequate resource occurs, the high equipment of priority is likely to occur address shortage application, but available free address
When insufficient, the equipment that now explorer can be relatively low to priority starts urgent resource reclaim flow, such as when bras equipment
The address free time occur reports when just reaching 2 report cycles, originally should not start address recovery process according to normal flow and
It is to be further continued for waiting a report cycle to reconvict and whether reclaim.But if now explorer is higher preferential in order to ensure
The address of level equipment is in use, the free address for just starting the ipblock4 of bras equipment at this moment promptly reclaims, by the address
Block, which reclaims and is set to " free time ", distributes to the higher equipment of priority.
When the free address resource on explorer is extremely insufficient, it can preferentially ensure the address of the high equipment of priority
Distribution, such as when only 1 free address block can distribute, there is address resource simultaneously in vbras equipment and bras equipment
Super alarming threshold, address resource management device needs are that two equipment distribute free address blocks to ensure it simultaneously under normal circumstances
Services addresses are distributed for user.But when only 1 free address block, explorer can adjudicate the priority of 2 equipment, hair
When existing vbras priority is higher, then start the automatic allocation flow of address block of address shortage to vbras equipment, and by bras
Equipment is added in free address distribution queue, waits the release of other equipment free address block or explorer to have new ground
Location resource is issued after importing according still further to queuing priority facility to be allocated.Bras equipment can only now be continuing with local
Allocated address resource is that user distributes services addresses, and timing reports the use state of address block.
In this embodiment, it is allocated equipment timing and reports the use state message of each address block to explorer,
Explorer is according to each device address block use state dynamic calculation and adjudicates whether some domain needs to issue new address
Block or the pond that Adds Address, and bonding apparatus priority, optimal IP address resource is selected to issue on demand；It is empty when adjudicating certain address block
Idle, start address recovery process, and complete the renewal of IP address bulk state, the address block according to needed for being chosen priority facility is excellent
First issue.The present embodiment can provide differentiated service for different brackets equipment, can avoid edge device active application way
May caused by excessive application and the recovery problem of resource waste such as not in time of address resource.
So far, the present invention is described in detail.In order to avoid the design of the masking present invention, it is public that this area institute is not described
Some details known.Those skilled in the art as described above, can be appreciated how to implement technology disclosed herein completely
Scheme.
The method and device of the present invention may be achieved in many ways.For example, can by software, hardware, firmware or
Person's software, hardware, firmware any combinations come realize the present invention method and device.The step of for methods described it is above-mentioned
Order is not limited to order described in detail above merely to illustrate, the step of method of the invention, unless with other sides
Formula illustrates.In addition, in certain embodiments, the present invention can be also embodied as recording program in the recording medium, these
Program includes being used for the machine readable instructions for realizing the method according to the invention.Thus, the present invention also covering storage is used to perform
The recording medium of the program of the method according to the invention.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel it should be understood that above example merely to illustrating, the scope being not intended to be limiting of the invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair
Bright scope is defined by the following claims.
Claims (18)
- A kind of 1. method for being managed to IP address resource, it is characterised in that including：Determine the IP address resource using status of each edge device；According to the IP address resource using status judge whether need to the edge device issue new IP address resource or Reclaim allocated IP address resource；The IP address resource is managed according to judged result.
- 2. according to the method for claim 1, it is characterised in that also include：Obtain the priority of the edge device；Judge whether to need to set to the edge according to the priority of the edge device and the IP address resource using status It is standby to issue new IP address resource or the allocated IP address resource of recovery.
- 3. method according to claim 1 or 2, it is characterised in that determine that the IP address resource of each edge device uses shape State includes：Receive the address block utilization rate parameter of the edge device；The address utilization rate of the affiliated address pool of the address block is determined according to the address block utilization rate parameter of the edge device；The address utilization rate in the affiliated domain of the address pool is determined according to the address utilization rate of the affiliated address pool of the address block.
- 4. according to the method for claim 3, it is characterised in that need are judged whether according to the IP address resource using status New IP address resource is issued to the edge device to be included：If the address utilization rate in the affiliated domain of the address pool of the edge device exceedes threshold value, it is determined that is issued to the edge device Free address resource.
- 5. according to the method for claim 4, it is characterised in that if the address in the affiliated domain of the address pool of the edge device makes Exceed threshold value with rate, in addition to:The priority of the edge device is inquired about, judges whether preferentially to issue the free address resource to the edge device；If desired the free address resource is preferentially issued, then selects IP address corresponding to the edge device priority resources-type Type, and the free address block in the IP address resource type is issued to the edge device.
- 6. according to the method for claim 5, it is characterised in that also include：If without free address resource in IP address resource type corresponding to the edge device priority, from less than the edge Free address block is chosen in IP address resource type corresponding to priority facility and is issued to the edge device.
- 7. according to the method for claim 3, it is characterised in that need are judged whether according to the IP address resource using status To reclaim allocated IP address resource to the edge device includes：If the address block utilization rate parameter of the edge device is less than or equal to address block Tidle threshold, it is determined that to the edge Equipment reclaims allocated address block.
- 8. according to the method for claim 7, it is characterised in that if the address block utilization rate parameter of the edge device is less than Or equal to address block Tidle threshold, it is determined that reclaiming allocated address block to the edge device includes：The priority of the edge device is inquired about, judges whether the address block utilization rate parameter of the edge device is less than or equal to Address block Tidle threshold corresponding to the edge device priority；If the address block utilization rate parameter of the edge device is less than or equal to address block corresponding to the edge device priority Tidle threshold, and the address block free time length of the edge device exceedes idle waiting corresponding to the edge device priority Time, it is determined that reclaim allocated address block to the edge device.
- 9. according to the method for claim 8, it is characterised in that also include：If the address block utilization rate parameter of the edge device is less than or equal to address block corresponding to the edge device priority Tidle threshold, and the address block free time length of the edge device is not less than free time etc. corresponding to the edge device priority Treat the time, then judge whether to need promptly to reclaim the allocated address block of the edge device；If desired the allocated address block of the edge device is promptly reclaimed, it is determined that distributed to edge device recovery Address block.
- A kind of 10. device for being managed to IP address resource, it is characterised in that including：Address block status data administrative unit, for determining the IP address resource using status of each edge device；Address block scheduling strategy decision unit, for judging whether to need to the side according to the IP address resource using status Edge equipment issues new IP address resource or the allocated IP address resource of recovery；Address block scheduling decision execution unit, for being managed according to judged result to the IP address resource.
- 11. device according to claim 10, it is characterised in that including priority facility administrative unit；The priority facility administrative unit is used for the priority for obtaining the edge device；The address block scheduling strategy decision unit is used to be made according to the priority and the IP address resource of the edge device Whether needed to issue new IP address resource or the allocated IP address resource of recovery to the edge device with condition adjudgement.
- 12. the device according to claim 10 or 11, it is characterised in that the address block status data administrative unit is used for The address block utilization rate parameter of the edge device is received, according to determining the address block utilization rate parameter of the edge device The address utilization rate of the affiliated address pool of address block, the address is determined according to the address utilization rate of the affiliated address pool of the address block The address utilization rate in the affiliated domain in pond.
- 13. device according to claim 12, it is characterised in that if the address block scheduling strategy decision unit is used for institute The address utilization rate for stating the affiliated domain of address pool of edge device exceedes threshold value, it is determined that issues free address to the edge device Resource.
- 14. device according to claim 13, it is characterised in that the address block scheduling strategy decision unit is additionally operable to look into The priority of the edge device is ask, judges whether preferentially to issue the free address resource to the edge device, if desired The free address resource is preferentially issued, then selects IP address resource type corresponding to the edge device priority, and by institute The free address block stated in IP address resource type is issued to the edge device.
- 15. device according to claim 14, it is characterised in that if the address block scheduling strategy decision unit is additionally operable to Without free address resource in IP address resource type corresponding to the edge device priority, then from excellent less than the edge device Free address block is chosen in IP address resource type corresponding to first level and is issued to the edge device.
- 16. device according to claim 12, it is characterised in that if the address block scheduling strategy decision unit is used for institute The address block utilization rate parameter for stating edge device is less than or equal to address block Tidle threshold, it is determined that is reclaimed to the edge device Allocated address block.
- 17. device according to claim 16, it is characterised in that the address block scheduling strategy decision unit is additionally operable to look into The priority of the edge device is ask, judges whether the address block utilization rate parameter of the edge device is less than or equal to the side Address block Tidle threshold corresponding to edge priority facility, if the address block utilization rate parameter of the edge device is less than or equal to institute Address block Tidle threshold corresponding to edge device priority is stated, and the address block free time length of the edge device is more than described The idle waiting time corresponding to edge device priority, it is determined that reclaim allocated address block to the edge device.
- 18. device according to claim 17, it is characterised in that if the address block scheduling strategy decision unit is additionally operable to The address block utilization rate parameter of the edge device is less than or equal to address block free time threshold corresponding to the edge device priority Value, and the address block free time length of the edge device is not less than corresponding to the edge device priority during idle waiting Between, then judge whether to need the allocated address block for promptly reclaiming the edge device, if desired promptly reclaim the edge The allocated address block of equipment, it is determined that reclaim allocated address block to the edge device.
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