CN105847035A - Virtualization EPC (Evolved Packet Core) system and service instantiation method - Google Patents
Virtualization EPC (Evolved Packet Core) system and service instantiation method Download PDFInfo
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- CN105847035A CN105847035A CN201610151498.0A CN201610151498A CN105847035A CN 105847035 A CN105847035 A CN 105847035A CN 201610151498 A CN201610151498 A CN 201610151498A CN 105847035 A CN105847035 A CN 105847035A
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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
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5003—Managing SLA; Interaction between SLA and QoS
- H04L41/5019—Ensuring fulfilment of SLA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/61—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
Abstract
The embodiment of this invention provides a virtualization EPC (Evolved Packet Core) system and a service instantiation method, can improve the definition of a service process and reduce the investment and maintenance cost. The system comprises a service chain template library, a network function resource pool and a service chain template library manager; the service chain template library comprises N service chain templates; each service chain template describes a service process; the service process comprises at least one service function point for realizing the service, and circulation relationships among the service functions; the network function resource pool comprises L atom network function entity sets and a dispatch service; each atom network function entity set is used for realizing a network function; the service chain template library manager is used for receiving service request information and determining the service chain template matched with the service; the dispatch server is used for determining the instantiation service of the atom network function entity of corresponding service chain template. The virtualization EPC system and the service instantiation method are applicable to the technical field of communication.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of virtualization evolution block core net
(Evolved Packet Core, EPC) system and srvice instance method.
Background technology
At present, network virtualization technology has been introduced in EPC, in order to overcome traditional EPC network element
System administration that equipment is brought because of the tightly coupled characteristic of its software and hardware and the defect such as O&M is complicated.
Fig. 1 show the deployment way schematic diagram of existing virtualization EPC, as it is shown in figure 1, existing
Some virtualization scheme pass through 4 data centers by the 4 of EPC main network elements mobile management
Entity (English: Mobility Management Entity, MME), gateway (English it is called for short:
Literary composition: Serving Gateway, is called for short: SGW), packet data network gateway (English: PDN Gateway,
Be called for short: PGW) and home signature user server (English: Home Subscriber Server,
It is called for short: HSS), virtual turns to 4 Virtual NE, 4 Virtual NE complete the merit of EPC
Can, it is provided that EPC network service, so can realize the software and hardware decoupling of network function so that net
Network function can be carried on common apparatus, and then reaches management and the O&M complexity of simplified system,
Improve service flexibility and the purpose of resource utilization.
Inventor finds that existing EPC virtualization scheme exists following two problem: (1) is due to existing
The function granularity of some virtualization network elements still continues conventional network elements function, and the most each virtualization network element is equal
There is several functions, as virtualization MME network element has Access Control, mobile management, session pipe
The several functions such as reason and Route Selection, and in the different links of operation flow, need the virtualization called
The function of network element may be different, and the most single network element has several functions can reduce the clear of operation flow
Degree；(2) between different virtualization network elements, there are some similar subfunctions, such as, virtualize SGW
Network element and PGW network element are respectively provided with packet forwarding capability, and in actual deployment, may be by
SGW and PGW is deployed in same data center, thus there will be network element subfunction repeated construction
With the phenomenon of O&M respectively, the cost of investment of operator and maintenance cost is caused to increase.
Summary of the invention
To this end, the embodiment of the present invention provides one virtualization EPC system and srvice instance method,
Operation flow definition can be promoted, reduce cost of investment and the maintenance cost of operator.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
First aspect, it is provided that a kind of virtualization evolution block core net EPC system, including: business
Chain template base, network function resource pool and business chain template base manager；Wherein, described business chain
Template base includes N number of business chain template, each business chain template in described N number of business chain template
Describing an operation flow, described operation flow includes at least one business for realizing described business
Circulation relation between function point and at least one business function point described, N is whole more than or equal to 1
Number；Described network function resource pool includes L networks of atoms functional entity set and dispatch server,
Each networks of atoms functional entity set in described L networks of atoms functional entity set is used for realizing
Any two networks of atoms merit in a kind of network function, and described L networks of atoms functional entity set
The network function that energy entity sets is realized all differs, and L is the integer more than or equal to 1；
Described business chain template base manager, is used for receiving business request information, and described service request disappears
Breath carries the type of requested service, according to the type of described business from described business chain template base
Middle determine the business chain template mated with described business；
Described dispatch server, for determining and institute from described L networks of atoms functional entity set
State the networks of atoms functional entity that business chain template is corresponding, and according to described networks of atoms functional entity pair
Described business carries out instantiation.
Second aspect, it is provided that a kind of srvice instance method, is applied to the virtualization described in first aspect
EPC system, described method includes:
Business chain template base manager receives business request information, carries in described business request information
The type of institute's requested service, and determine with described from business chain template base according to the type of described business
The business chain template of business coupling；
Dispatch server determines and described business chain template pair from L networks of atoms functional entity set
The networks of atoms functional entity answered, and according to described networks of atoms functional entity, described business is carried out reality
Example.
There are two problems in existing virtualization EPC system: (1) virtualizes the function granularity of network element
Still continue conventional network elements function, cause single network element to be respectively provided with several functions, and in operation flow not
May be different with the function needing the virtualization network element called in link, therefore can make operation flow
Definition declines；(2) between different virtualization network elements, there are some similar subfunctions, and in reality
In deployment, may be by two network element deployments in same data center, it is thus possible to there will be network element
The phenomenon of function repeated construction and respectively O&M, causes the cost of investment of operator and maintenance cost to increase
Add.And the virtualization EPC system provided based on the embodiment of the present invention and srvice instance method,
The different links of operation flow only need to call corresponding with current business function point according to operation flow
Individual networks of atoms functional entity, owing to this each networks of atoms functional entity only carries out simple function,
Therefore, compared with the implementation that existing single network element has multiple function, the embodiment of the present invention provides
Virtualization EPC system and method can promote operation flow definition, simultaneously will not when disposing
The problem that Network Element Function repeated construction and respectively O&M occur, it is possible to reduce operator cost of investment and
Maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, in embodiment being described below
The required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative labor
On the premise of Dong, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the principle schematic of existing EPC virtualization scheme；
Fig. 2 is LTE network configuration diagram；
The configuration diagram of the virtualization EPC system that Fig. 3 provides for the embodiment of the present invention；
The schematic flow sheet one of a kind of srvice instance method that Fig. 4 provides for the embodiment of the present invention；
The schematic flow sheet two of a kind of srvice instance method that Fig. 5 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered
Row clearly and completely describes.
It should be noted that for the ease of the technical scheme clearly describing the embodiment of the present invention, at this
In bright following each embodiment, have employed the printed words such as " first ", " second " basic to function and effect
Identical identical entry or similar item make a distinction, it will be appreciated by those skilled in the art that " first ", "
Two " etc. quantity and execution order are not defined by printed words.
It addition, it should be noted that, in the case of not conflicting, the embodiment in the application and enforcement
Feature in example can be combined with each other.It will appreciated by the skilled person that the embodiment of the present application
Shown in the schematic explanation made for ease of reader understanding by the present invention of example, it is right to be not intended that
The restriction of the present invention.
For ease of understanding the present invention, (English: Long below with reference to the Long Term Evolution shown in Fig. 2
Term Evolution, is called for short: network architecture schematic diagram LTE), to EPC and main network elements thereof
Briefly introduce:
As in figure 2 it is shown, LTE network include evolution UMTS Terrestrial radio access network (English:
Evolved UMTS Terrestrial Radio Access Network, is called for short: E-UTRAN) portion
Divide and EPC part.Wherein, E-UTRAN includes that the NodeB of multiple evolution is (English: Evolved
NodeB, is called for short: eNB), EPC includes the network elements such as MME, SGW, PGW and HSS.
Each network element major function is as follows:
MME: Non-Access Stratum (English: Non-Access Stratum, it is called for short: NAS) signaling
And safety, tracing area (English: Tracking Area, it is called for short: the TA) management of list,
The selection of PGW and SGW, carries out the selection of MME when MME switches, to 2G/3G
Access system handoff procedure carries out Serving GPRS Support Node (English: Serving GPRS
Support Node, is called for short: selection SGSN), the authentication of user, Roaming control, carrier pipe
Reason, MME when MME changes in switching selects, and idle condition subscriber equipment (English
Literary composition: User Equipment, is called for short: UE) up to (retransmitting the control of message containing paging and hold
OK) etc..
SGW: when carrying out switching between eNB, as local anchor point, and can assist eNB
Reordering function；Between 3GPP different access systems during switching, as mobility anchor point, equally
There is reordering function；Perform Lawful intercept function；Carry out route and the forward of packet；Up
Packet marking is carried out with downlink transfer layer；Under idle condition, downlink grouped buffering and initiation network-triggered
Service request function；Charging etc. between operator.
PGW: packet filtering function based on user, Lawful intercept function, the Internet protocol (English of UE
Literary composition: Internet Protocol, is called for short: IP) carry out in address allocation function, over/under line link
Packet transport layer labelling, carry out uplink/downlink grade of service charging and service level gate, carry out based on
The control etc. of the uplink/downlink speed of business.It addition, P-GW also provides for Uplink/Downlink bearing binding
Verifying function is bound with up-link.
HSS: be responsible for preserving with user-dependent information, as ID, numbering and routing iinformation,
Safety information, positional information, summary info etc..
Embodiment one,
The embodiment of the present invention provides one virtualization EPC system 30, as it is shown on figure 3, include: industry
Business chain template base 301, network function resource pool 303 and business chain template base manager 302.
Wherein, business chain template base 301 includes N number of business chain template, in N number of business chain template
Each business chain template one operation flow is described, operation flow includes for realizing business at least
Circulation relation between one business function point and at least one business function point, network function resource pool
303 include L networks of atoms functional entity set 3032 and dispatch server 3031, L atom
Each networks of atoms functional entity set 3032 in network functional entity set 3032 is used for realizing
Any two networks of atoms in a kind of network function, and L networks of atoms functional entity set 3032
The network function that functional entity set 3032 is realized all differs, and wherein N and L is for being more than or equal to
The integer of 1.
Business chain template base manager 302, is used for receiving business request information, in business request information
Carry the type of requested service, according to the type of business determine from business chain template base 301 with
The business chain template of business coupling；
Dispatch server 3031, for determining from L networks of atoms functional entity set 3032 and
The networks of atoms functional entity that business chain template is corresponding, and according to networks of atoms functional entity, business is entered
Row instantiation.
Wherein it is desired to explanation, business chain template base 301 specifically can be pre-by management and operation maintenance personnel
First being formed according to EPC normal process and experience, this is not especially limited by the embodiment of the present invention.
It is readily appreciated by a person skilled in the art that in EPC, the type of service of business is mainly wrapped
Include: the switching between UE attachment and attachment removal, eNB, UE location updating, video/message/file are handed over
Change.
Preferably, can by analyze each network element of EPC specifically refine function, and the phase to each network element
Carry out sorting out like function abstract, obtain L networks of atoms functional entity set 3032.Concrete, L
Individual networks of atoms functional entity set 3032 may include that access control function entity set, movement
Property management functional entity set, conversation management functional entity sets, PGW selection functional entity set,
SGW selection functional entity set, MME selection functional entity set, packet data package route and turns
Send out functional entity set, mobile management functional entity set, Lawful Interception functional entity set, meter
Take functional entity set, network access control functions entity sets, IP address allocation function entity sets
And strategy is (English: Policy and Charging Rules with charging rule functions unit
Function, is called for short: PCRF) select to control functional entity set.
It addition, what deserves to be explained is, the virtualization EPC system 30 that the embodiment of the present invention provides is concrete
Can be realized by cloud platform, i.e. provide its required base by cloud platform for virtualization EPC system 30
Infrastructure resource guarantee, such as, it is provided that calculate, store, network and database cloud service.
Easy to understand, in EPC, the execution of a business generally requires the support of multiple network function,
Therefore, in the virtualization EPC system 30 that the embodiment of the present invention provides, a business chain generally includes
Multiple business function points, each business function point is corresponding to performing a net needed for business described by it
Network function.For some business, may be not required to upon execution in business chain certain or certain several
The support of business function point, therefore, can arrange switch with mark to each business function point in business chain
Know this business function point whether come into force (such as, with 0,1 identify respectively this business function point come into force,
Do not come into force), in the type of the business that business chain template base manager 302 is asked according to user, from
After business chain template base 301 determines the business chain template mated with business, according to this on off state
Determining the business function point come into force in business chain template, so, dispatch server 3031 is for business
During chain matched atoms network functional entity, it is only necessary to corresponding former of business function Point matching for wherein coming into force
Sub-network functional entity.
That is, in the virtualization EPC system 30 that the embodiment of the present invention provides, business chain template base manages
Device 302 can be also used for:
In the type of the business asked according to user, determine and business from business chain template base 301
After the business chain template of coupling, determine and at least one business function point of business chain template comes into force
M business function point.
Dispatch server 3031 specifically may be used for:
Determine corresponding with m business function point from L networks of atoms functional entity set 3032
M networks of atoms functional entity.
Wherein, m is integer, 1≤m≤L.
Further, for ensureing the service quality of user institute requested service, business request information also may be used
With the service quality of the business of carrying, (English: Quality of Service is called for short: QoS) index.
Dispatch server 3031 specifically may be used for:
QoS index according to business and default scheduling of resource rule, from L networks of atoms merit
Entity sets 3032 can determine m the networks of atoms function reality corresponding with m business function point
Body.
It should be noted that the part or all of networks of atoms function in each networks of atoms function set is real
Body has different qos values, and this qos value can be set in advance by EPC system management and operation maintenance personnel
Put；Described default scheduling of resource rule can be specifically that resource intensive utilizes principle, resources balance profit
By one or several principle in the shortest principle of principle and physical distance, this is not made specifically by the present invention
Limit.
That is, QoS index and the scheduling of resource rule of business are taken into account, corresponding for business function Point matching
Networks of atoms functional entity, to meet user's requirement for QoS, promote user's body
Test.
Preferably, dispatch server 3031 specifically may be used for:
Determine m the networks of atoms functional entity set 3032 corresponding with m business function point；
Determine each networks of atoms functional entity set of m networks of atoms functional entity set 3032
The networks of atoms functional entity of the QoS index of business is met in 3032；
If the networks of atoms functional entity meeting the QoS index of business is more than one, according to default
One of them networks of atoms functional entity is defined as corresponding former of business function point by scheduling of resource rule
Sub-network functional entity.
It is i.e., preferentially the networks of atoms that each business function Point matching is corresponding according to the QoS index of business
Functional entity, if the networks of atoms functional entity determined according to the QoS index of business is unique, then
It is the networks of atoms functional entity that business function Point matching is corresponding according to scheduling of resource rule.
There are two problems in existing virtualization EPC system: (1) virtualizes the function granularity of network element
Still continue conventional network elements function, cause single network element to be respectively provided with several functions, and in operation flow not
May be different with the function needing the virtualization network element called in link, therefore can make operation flow
Definition declines；(2) between different virtualization network elements, there are some similar subfunctions, and in reality
In deployment, may be by two network element deployments in same data center, it is thus possible to there will be network element
The phenomenon of function repeated construction and respectively O&M, causes the cost of investment of operator and maintenance cost to increase
Add.
And the virtualization EPC system that the embodiment of the present invention provides, no longer use existing virtualization
The structure of EPC system, it mainly includes business chain template base, network function resource pool and business chain
Template base manager.Wherein, business chain template base includes multiple business chain template, each business chain mould
Plate describes an operation flow, and operation flow includes at least one the business function point for realizing business
And the circulation relation between at least one business function point；Network function resource pool includes multiple atom net
Network functional entity set and dispatch server, each networks of atoms functional entity set is used for realizing one
Network function, and the network function the most not phase that any two networks of atoms functional entity set is realized
With；Meanwhile, receive business request information by business chain template base manager, and according to service request
The type of the business carried in message determines the business chain mould mated with business from business chain template base
Plate, and then determined and business chain template from L networks of atoms functional entity set by dispatch server
Corresponding networks of atoms functional entity, and according to networks of atoms functional entity, business is carried out instantiation,
The instantiation to business can be completed.The virtualization EPC system provided based on the embodiment of the present invention,
Different links in operation flow only need to be called corresponding with current business function point according to operation flow
One networks of atoms functional entity, owing to this each networks of atoms functional entity only carries out single merit
Can, therefore compared with the implementation that existing single network element has multiple function, the embodiment of the present invention
The virtualization EPC system provided can promote operation flow definition, will not go out when disposing simultaneously
The problem of existing network meta function repeated construction and respectively O&M, it is possible to reduce cost of investment and the dimension of operator
Protect cost.
Embodiment two,
The embodiment of the present invention provides a kind of srvice instance method, is applied to the virtual of embodiment one offer
Changing EPC system 30, as shown in Figure 4, described method includes:
S401, business chain template base manager 302 receive business request information, business request information
In carry the type of requested service, determine from business chain template base 301 according to the type of business
The business chain template mated with business.
S402, dispatch server 3031 determine from L networks of atoms functional entity set 3032
The networks of atoms functional entity corresponding with business chain template, and according to networks of atoms functional entity to business
Carry out instantiation.
Wherein, L networks of atoms functional entity set 3032 specifically may include that Access Control merit
Can entity sets, mobile management functional entity set, conversation management functional entity sets, PGW
Selection functional entity set, SGW selection functional entity set, MME selection functional entity set,
Packet data package route and forwarding capability entity sets, mobile management functional entity set, legal prison
Auditory function entity sets, billing function entity sets, network access control functions entity sets, IP ground
Location distribution function entity sets and PCRF select to control functional entity set.
Further, as it is shown in figure 5, the srvice instance method that the embodiment of the present invention provides, in industry
Business chain template base 301 manager 302 determines from business chain template base 301 according to the type of business
After the business chain template mated with business, it is also possible to including:
S403, business chain template base manager 302 determine at least one business merit of business chain template
M the business function point that can come into force in putting.
Then, dispatch server 3031 determine from L networks of atoms functional entity set 3032 with
The networks of atoms functional entity (i.e. step S402) that business chain template is corresponding, specifically may include that
S402 ', dispatch server 3031 are true from L networks of atoms functional entity set 3032
Fixed m the networks of atoms functional entity corresponding with m business function point.
Wherein, m is integer, 1≤m≤L.
Preferably, business request information is gone back the QoS index of portability business, then dispatch server
3031 determine from L networks of atoms functional entity set 3032 corresponding with m business function point
M networks of atoms functional entity (i.e. step S402 '), specifically may include that
Dispatch server 3031 is regular according to QoS index and the default scheduling of resource of business, from
L networks of atoms functional entity set 3032 determines the m corresponding with m business function point former
Sub-network functional entity.
Further, dispatch server 3031 is adjusted according to QoS index and the default resource of business
Metric then, determines and m business function point pair from L networks of atoms functional entity set 3032
M the networks of atoms functional entity answered, specifically may include that
Dispatch server 3031 determines m the networks of atoms function corresponding with m business function point
Entity sets 3032；
Dispatch server 3031 determines each atom of m networks of atoms functional entity set 3032
Network functional entity set 3032 meets the networks of atoms functional entity of the QoS index of business；
If the networks of atoms functional entity meeting the QoS index of business is more than one, dispatch server
One of them networks of atoms functional entity is defined as business according to the scheduling of resource rule preset by 3031
The networks of atoms functional entity that function point is corresponding.
There is following two problem in prior art: the function granularity of (1) virtualization network element still continues biography
System Network Element Function, causes single network element to be respectively provided with several functions, and in the different links of operation flow
The function needing the virtualization network element called may be different, therefore can make under the definition of operation flow
Fall；(2) between different virtualization network elements, there are some similar subfunctions, and in actual deployment,
May be by two network element deployments in same data center, it is thus possible to there will be network element subfunction and repeat
Build and the phenomenon of difference O&M, cause the cost of investment of operator and maintenance cost to increase.
And the srvice instance method that the embodiment of the present invention provides, provide based on the embodiment of the present invention one
Virtualization EPC system realizes, and this EPC system includes business chain template base, network function resource pool
And business chain template base manager.Wherein, business chain template base includes multiple business chain template, often
Individual business chain template describes an operation flow, and operation flow includes for realizing at least one of business
Circulation relation between business function point and at least one business function point；Network function resource pool includes
Multiple networks of atoms functional entity set and dispatch server, each networks of atoms functional entity collection share
In realizing a kind of network function, and the network merit that any two networks of atoms functional entity set is realized
Can all differ.Thus, the srvice instance method provided based on the embodiment of the present invention, at Business Stream
The different links of journey only need to call corresponding with a current business function point atom according to operation flow
Network functional entity, owing to this each networks of atoms functional entity only carries out simple function, therefore with
The implementation that existing single network element has multiple function is compared, the business that the embodiment of the present invention provides
Instantiation method can promote operation flow definition, does not haves Network Element Function weight when disposing simultaneously
Rebuild the problem setting and distinguishing O&M, it is possible to reduce cost of investment and the maintenance cost of operator.
Should be understood that in various embodiments of the present invention, the size of the sequence number of above-mentioned each process unawareness
Taste the priority of execution sequence, and the execution sequence of each process should determine with its function and internal logic, and
The implementation process of the embodiment of the present invention should not constituted any restriction.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, above-mentioned
The device described, is only illustrated with the division of above-mentioned each functional module, in actual application, and can
As desired above-mentioned functions distribution is completed by different functional modules, will the internal junction of device
Structure is divided into different functional modules, to complete all or part of function described above.Above-mentioned retouch
The specific works process of system, device and the unit stated, be referred in preceding method embodiment is right
Answer process, do not repeat them here.
In several embodiments provided herein, it should be understood that disclosed system, device
And method, can realize by another way.Such as, device embodiment described above is only
It is schematic, such as, described module or the division of unit, it is only a kind of logic function and divides,
Actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or can
To be integrated into another system, or some features can be ignored, or does not performs.Another point, shown
Or the coupling each other discussed or direct-coupling or communication connection can be by some interfaces, dress
Put or the INDIRECT COUPLING of unit or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate,
The parts shown as unit can be or may not be physical location, i.e. may be located at a ground
Side, or can also be distributed on multiple NE.Can select therein according to the actual needs
Some or all of unit realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit
In, it is also possible to it is that unit is individually physically present, it is also possible to two or more unit are integrated in
In one unit.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ soft
The form of part functional unit realizes.
If described integrated unit realizes and as independent product using the form of SFU software functional unit
When selling or use, can be stored in a computer read/write memory medium.Based on such reason
Solve, part that prior art is contributed by technical scheme the most in other words or this skill
Completely or partially can embodying with the form of software product of art scheme, this computer software product
It is stored in a storage medium, including some instructions with so that a computer equipment (can be
Personal computer, server, or the network equipment etc.) or processor (processor) perform basis
Invent all or part of step of method described in each embodiment.And aforesaid storage medium includes: U
Dish, portable hard drive, read only memory (English: Read-Only Memory, be called for short: ROM),
Random access memory (English: Random Access Memory, be called for short: RAM), magnetic disc or
The various medium that can store program code such as CD.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art, can in the technical scope that the invention discloses
Readily occur in change or replace, all should contain within protection scope of the present invention.Therefore, the present invention
Protection domain should be as the criterion with described scope of the claims.
Claims (10)
1. a virtualization evolution block core net EPC system, it is characterised in that including: business chain
Template base, network function resource pool and business chain template base manager；Wherein, described business chain template
Storehouse includes that N number of business chain template, each business chain template in described N number of business chain template describe one
Individual operation flow, described operation flow include at least one the business function point for realizing described business and
Circulation relation between at least one business function point described, N is the integer more than or equal to 1；Described net
Network functional resources pond includes L networks of atoms functional entity set and dispatch server, described L atom
Each networks of atoms functional entity set in network functional entity set is used for realizing a kind of network function,
And any two networks of atoms functional entity set institute is real in described L networks of atoms functional entity set
Existing network function all differs, and L is the integer more than or equal to 1；
Described business chain template base manager, is used for receiving business request information, described business request information
In carry the type of requested service, according to the type of described business from described business chain template base really
The fixed business chain template mated with described business；
Described dispatch server, for determining with described from described L networks of atoms functional entity set
The networks of atoms functional entity that business chain template is corresponding, and according to described networks of atoms functional entity to described
Business carries out instantiation.
Virtualization EPC system the most according to claim 1, it is characterised in that described business chain
Template base manager is additionally operable to:
In the type of the business asked according to user, determine and described industry from described business chain template base
After the business chain template of business coupling, determine at least one business function point of described business chain template raw
M business function point of effect, m is integer, 1≤m≤L；
Described dispatch server specifically for:
Determine corresponding with described m business function point from described L networks of atoms functional entity set
M networks of atoms functional entity.
Virtualization EPC system the most according to claim 2, it is characterised in that described business please
Seek the service quality QoS index also carrying described business in message；
Described dispatch server specifically for:
QoS index according to described business and default scheduling of resource rule, from described L atom
Network functional entity set determines m the networks of atoms function corresponding with described m business function point
Entity.
Virtualization EPC system the most according to claim 3, it is characterised in that described scheduling takes
Business implement body is used for:
Determine m the networks of atoms functional entity set corresponding with described m business function point；
Determine in each networks of atoms functional entity set of described m networks of atoms functional entity set
Meet the networks of atoms functional entity of the QoS index of described business；
If the networks of atoms functional entity meeting the QoS index of described business is more than one, according to described
One of them networks of atoms functional entity is defined as described business function point by the scheduling of resource rule preset
Corresponding networks of atoms functional entity.
5. according to the virtualization EPC system described in any one of claim 1-4, it is characterised in that institute
State L networks of atoms functional entity set to include: access control function entity set, mobile management merit
Can entity sets, conversation management functional entity sets, packet data network gateway PGW selection functional entity
Set, gateway SGW selection functional entity set, Mobility Management Entity MME select function
Entity sets, packet data package route and forwarding capability entity sets, mobile management functional entity set,
Lawful Interception functional entity set, billing function entity sets, network access control functions entity sets,
Internet protocol IP address allocation function entity sets and strategy select with charging rule functions unit PCRF
Select control functional entity set.
6. a srvice instance method, it is characterised in that described method is applied to such as claim 1-5
Virtualization EPC system described in any one, described method includes:
Business chain template base manager receives business request information, carries in described business request information
The type of requested service, and determine from business chain template base and described business according to the type of described business
The business chain template of coupling；
Dispatch server determines and described business chain template pair from L networks of atoms functional entity set
The networks of atoms functional entity answered, and according to described networks of atoms functional entity, described business is carried out example
Change.
Method the most according to claim 6, it is characterised in that in described business chain template depositary management
Reason device determines, according to the type of described business, the business chain mated with described business from business chain template base
After template, described method also includes:
Described business chain template base manager determines at least one business function point of described business chain template
In m business function point coming into force, m is integer, 1≤m≤L；
Described dispatch server determines and described business chain mould from L networks of atoms functional entity set
The networks of atoms functional entity that plate is corresponding, including:
Described dispatch server determines and described m from described L networks of atoms functional entity set
M the networks of atoms functional entity that business function point is corresponding.
Method the most according to claim 7, it is characterised in that in described business request information also
Carry the service quality QoS index of described business；
Described dispatch server determines and described m from described L networks of atoms functional entity set
M the networks of atoms functional entity that business function point is corresponding, including:
Described dispatch server is regular according to QoS index and the default scheduling of resource of described business,
The m corresponding with described m business function point is determined from described L networks of atoms functional entity set
Individual networks of atoms functional entity.
Method the most according to claim 8, it is characterised in that described dispatch server is according to institute
State QoS index and the default scheduling of resource rule of business, real from described L networks of atoms function
Body set determines m the networks of atoms functional entity corresponding with described m business function point, including:
Described dispatch server determines m the networks of atoms function corresponding with described m business function point
Entity sets；
Described dispatch server determines each networks of atoms of described m networks of atoms functional entity set
Functional entity set meets the networks of atoms functional entity of the QoS index of described business；
If the networks of atoms functional entity meeting the QoS index of described business is more than one, described scheduling
One of them networks of atoms functional entity is defined as by server according to described default scheduling of resource rule
The networks of atoms functional entity that described business function point is corresponding.
10. according to the method described in any one of claim 6-9, it is characterised in that described L atom
Network functional entity set includes: access control function entity set, mobile management functional entity set,
Conversation management functional entity sets, packet data network gateway PGW selection functional entity set, service network
Close SGW selection functional entity set, Mobility Management Entity MME selection functional entity set, point
Group data packet by with forwarding capability entity sets, mobile management functional entity set, Lawful Interception merit
Can entity sets, billing function entity sets, network access control functions entity sets, Internet protocol IP
Address allocation function entity sets and strategy select to control function with charging rule functions unit PCRF
Entity sets.
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