CN105594158B - The configuration method and device of resource - Google Patents

The configuration method and device of resource Download PDF

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Publication number
CN105594158B
CN105594158B CN201480054859.9A CN201480054859A CN105594158B CN 105594158 B CN105594158 B CN 105594158B CN 201480054859 A CN201480054859 A CN 201480054859A CN 105594158 B CN105594158 B CN 105594158B
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business
type
node
objective function
network
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CN105594158A (en
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谭巍
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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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
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • 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
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0895—Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements

Abstract

The present invention provides the configuration method and device of a kind of resource, wherein method includes: the resource consumption information for including: each functional node processing single Business Stream of each type business in centralized control network element SNC acquisition network, and according to the resource consumption information, and various types of total business volumes and its delay character, determine that the single Business Stream of each type business passes through the corresponding Delay of functional node；Then according to the Delay, determine objective function number of nodes corresponding to the corresponding objective function node type of each type of business and every kind of objective function node type, and configuration information is sent to the objective function node, the configuration information is used to indicate handled type of service and portfolio, technical solution of the present invention realizes the reasonable utilization of Internet resources, the utilization rate for improving Internet resources avoids the congestion of network, ensure that the normal transmission of customer service.

Description

The configuration method and device of resource
Technical field
The present invention relates to field of communication technology more particularly to the configuration methods and device of a kind of resource.
Background technique
Software defined network (Software Defined Network, SDN), is by Stanford Univ USA clean A kind of new network of Emulex network innovation framework that slate study group proposes is divided network equipment control plane and data surface by OpenFlow It leaves and, to realize the flexible control of network flow, provide good platform for the innovation of network and application.
In the prior art, the network equipment is virtualized, is placed on unified virtual platform, the function of network element is protected Original design is held, the interface between network element does not change.Many data surface and control plane can be also integrated in the inside of network element Function, for example move IP, Packet Filtering, tunnel management (the General Packet in general packet radio service technology Radio Service Tunnel Protocol, GTP), safety, charging etc., these functions are all in a manner of tightly coupled one It is realized in a physical box, the quantity of function is fixed in physical box according to the specification of product to be configured.However, existing skill Art will lead to net element business amount it is smaller when Internet resources waste will cause network congestion when net element business amount is larger.
Summary of the invention
The embodiment of the present invention provides the configuration method and device of a kind of resource, is led with solving the irrational utilization of Internet resources The problem of causing network congestion.
First aspect present invention provides a kind of configuration method of resource.Wherein,
The resource that centralized control network element SNC obtains each functional node processing single Business Stream of each type business in network disappears Information is consumed, then, SNC is determined every according to the resource consumption information and various types of total business volumes and its delay character The single Business Stream of seed type business passes through the corresponding Delay of functional node；
The SNC according to the Delay, determine the corresponding objective function node type of each type of business and Objective function number of nodes corresponding to every kind of objective function node type；
The SNC is according to various types of total business volumes and the corresponding mesh of identified each type of business Objective function number of nodes corresponding to functional node type and every kind of objective function node type is marked, to the target Functional node sends configuration information, and the configuration information is used to indicate handled type of service and portfolio.
In the first possible implementation of first aspect, the SNC obtains each functional node in network and handles every kind Before the resource consumption information of the single Business Stream of type service, further includes:
The SNC receives the registration message of the transmission of the functional node in network, carries the function in the registration message Node type, node identification and the ability information of energy node；
The SNC is according to the node type, the node identification and the ability information, to the corresponding function section Point sends service type information and business parameters data so that the corresponding functional node according to the service type information and Business parameters data, the resource consumption information for the single Business Stream of processing each type business being calculated.
The possible implementation of with reference to first aspect the first, in second of possible implementation of first aspect, institute The resource consumption information that SNC obtains each functional node processing single Business Stream of each type business in network is stated, specifically:
The SNC receives the functional node processing single industry of each type business that the corresponding functional node is sent The resource consumption information of business stream.
With reference to first aspect, second of the possible implementation of the first of first aspect and first aspect can the side of being able to achieve Any one of formula, in the third possible implementation of first aspect, the SNC is determined every according to the Delay Target function corresponding to the corresponding objective function node type of the business of seed type and every kind of objective function node type Energy number of nodes, specifically includes:
The SNC calculates the quantity of the objective function node type needed for each type of business；
The SNC is according to the competence set of functional node each in the network, with the minimum optimization aim of network delay, really The quantity of fixed different types of Business Stream；
The quantity of SNC objective function node type according to needed for each type of business, Yi Jisuo The quantity for stating different types of Business Stream determines objective function number of nodes corresponding to every kind of objective function node type Amount.
The third possible implementation with reference to first aspect, in the 4th kind of possible implementation of first aspect, institute It states SNC and different type is determined with the minimum optimization aim of network delay according to the competence set of functional node each in the network Business Stream quantity, specifically include:
The SNC withFor objective function, withFor constraint condition, really The quantity of fixed different types of Business Stream；
Wherein, z is the time delay of whole network, i.e. the time delay summation of all Business Streams of different business, and it is desirable that z is minimum； aij(i=1,2 ..., m；J=1,2 ..., n) indicate the consumption that every kind of business individually flows；bj(j=1 2 ..., n) indicates every class industry The time delay of business individually flowed；ci(i=1 2 ..., m) indicates functional node to the available capability of every class business；xj(j=1, 2 ..., n) indicate the quantity of different types of Business Stream.
The third possible implementation with reference to first aspect, in the 5th kind of possible implementation of first aspect, institute The quantity that SNC calculates the objective function node type needed for each type of business is stated, is specifically included:
The SNC calculates the target needed for each type of business according to various types of total business volumes of acquisition The quantity of functional node type, wherein same type of business corresponds to a type of objective function node.
The third possible implementation with reference to first aspect, in the 6th kind of possible implementation of first aspect, institute State the quantity and the different type of SNC objective function node type according to needed for each type of business Business Stream quantity, determine objective function number of nodes corresponding to every kind of objective function node type, specifically include:
The SNC is according to the same type of total business volume divided by the objective function node to the business of the type Ability obtains the objective function number of nodes.
The second aspect of the present invention provides a kind of centralized control network element, comprising:
Module is obtained, for obtaining the resource for obtaining each functional node processing single Business Stream of each type business in network Consumption information；
First determining module, for according to obtaining the module resource consumption information obtained and various types of Total business volume and its delay character determine that the single Business Stream of each type business passes through the corresponding Delay of functional node；
Second determining module, the Delay according to determined by the first determining module, determines each type of business Objective function number of nodes corresponding to corresponding objective function node type and every kind of objective function node type；
First sending module, according to every kind determined by various types of total business volumes and the second determining module Objective function corresponding to the corresponding objective function node type of the business of type and every kind of objective function node type Number of nodes sends configuration information to the objective function node, and the configuration information is used to indicate handled type of service And portfolio.
In the first possible implementation of second aspect, the centralized control network element further include:
Receiving module handles the single industry of each type business for obtaining each functional node in network in the acquisition module It is engaged in front of the resource consumption information of stream, receives the registration message that the functional node in network is sent, carried in the registration message Node type, node identification and the ability information of the functional node；
Second sending module, the node type, the node identification and institute for receiving the receiving module Ability information is stated, sends service type information and business parameters data to the corresponding functional node, so that corresponding described Functional node is according to the service type information and business parameters data, the single business of processing each type business that is calculated The resource consumption information of stream.
In conjunction with the first possible implementation of second aspect, in second of possible implementation of second aspect, institute It states and obtains the resource consumption information that module obtains each functional node processing single Business Stream of each type business in network, specifically Are as follows:
The module that obtains receives the functional node processing each type business that the corresponding functional node is sent The resource consumption information of single Business Stream.
It can the side of being able to achieve in conjunction with the first possible implementation and second of second aspect of second aspect, second aspect Any one of formula, in the third possible implementation of second aspect, second determining module is true according to described first The Delay that cover half block determines, determines the corresponding objective function node type of each type of business and every kind of target Objective function number of nodes corresponding to functional node type, specifically includes:
Second determining module calculates the quantity of the objective function node type needed for each type of business；
Second determining module is minimum excellent with network delay according to the competence set of functional node each in the network Change target, determines the quantity of different types of Business Stream；
The target needed for second determining module each type of business according to determined by the first determining module The quantity of the quantity of functional node type and the different types of Business Stream determines every kind of objective function node class Objective function number of nodes corresponding to type.
In conjunction with the third possible implementation of second aspect, in the 4th kind of possible implementation of second aspect, institute The second determining module is stated according to the competence set of each functional node in the determining network of first determining module, with network delay Minimum optimization aim determines the quantity of different types of Business Stream, specifically includes:
Second determining module withFor objective function, withIt is about Beam condition determines the quantity that different types of industry shunts；
Wherein, z is the time delay of whole network, i.e. the time delay summation of all Business Streams of different business, and it is desirable that z is minimum； aij(i=1,2 ..., m；J=1,2 ..., n) indicate the consumption that every kind of business individually flows；bj(j=1,2 ..., n) indicates every class business The time delay individually flowed；ci(i=1 2 ..., m) indicates functional node to the available capability of every class business；xj(j=1,2 ..., N) quantity of different types of Business Stream is indicated.
In conjunction with the third possible implementation of second aspect, in the 5th kind of possible implementation of second aspect, institute The quantity that the second determining module calculates the objective function node type needed for each type of business is stated, is specifically included:
Second determining module calculates needed for each type of business according to various types of total business volumes of acquisition The quantity of the objective function node type, wherein same type of business corresponds to a type of objective function node.
In conjunction with the third possible implementation of second aspect, in the 6th kind of possible implementation of second aspect, institute State the second determining module quantity of the objective function node type according to needed for each type of business and described The quantity of different types of Business Stream determines objective function number of nodes corresponding to every kind of objective function node type, It specifically includes:
Second determining module is according to the same type of total business volume divided by the objective function node to such The ability of the business of type obtains the objective function number of nodes.
The third aspect of the present invention provides a kind of resource distribution centralized control network element, comprising: memory and processor, institute State memory for storing instruction, the processor is for running the instruction stored in the memory to execute such as first party The possible implementation of the first of face, first aspect any mode in the cards into the 6th kind of possible implementation.
Fourth aspect present invention provides a kind of resource distribution network, including as second aspect, second aspect the first can It is able to achieve any possible implementation of the mode into the 6th kind of possible implementation of second aspect, further includes multiple function sections Point；
The functional node, the configuration information issued for receiving the centralized control network element, the configuration information are used for It indicates handled type of service and portfolio, and corresponding business forwarding operation and/or industry is executed according to the configuration information Business processing operation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to do one simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is provided by one embodiment of the present invention based on software-defined network configuration diagram；
Fig. 2 is the flow chart of resource allocation method embodiment one of the present invention；
Fig. 3 is the schematic diagram of the initialization process of resource allocation method embodiment two of the present invention；
Fig. 4 is the schematic diagram of the pre-configuration process of resource allocation method embodiment two of the present invention；
Fig. 5 is the structural schematic diagram one of centralized control network element provided by one embodiment of the present invention；
Fig. 6 is the structural schematic diagram two of centralized control network element provided by one embodiment of the present invention；
Fig. 7 is the schematic diagram of resource distribution centralized control network element in one embodiment of the invention；
Fig. 8 is the architecture diagram one of resource distribution network provided by one embodiment of the present invention；
Fig. 9 is the architecture diagram two of resource distribution network provided by one embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is provided by one embodiment of the present invention based on software-defined network configuration diagram, as shown in Figure 1, net Network by centralized control network element (SNC) 10, distribution entity (Distributor) 11, data rule matching entities (Entry) 12 with by Functional node network (Function Nodes Network) 13, the aerial node (Radio of a series of functional node composition Node) 14 and interface (NAT) 15 between other domain networks form.Each section specifically describes to see below:
Wherein, centralized control network element (SNC) 10, have mobile management entity (Mobile Managenment Entity, MME), gateway (Service Gateway, S-GW) and packet data gateway (Packet Data Network Gateway, P-GW) etc. network elements control plane function.
The progress matched entity of data rule (Entry) 12, the rule issued for receiving centralized control network element SNC, and The rule received is distributed to the functional node in functional node network (Function Nodes Network) 13 to execute.
Distribution entity (Distributor) 11, for when carry out the matched entity of data rule (Entry) 12 have it is multiple When, the rule that centralized control network element (SNC) 10 issues is distributed to the different matched entities of carry out data rule (Entry) 12, optionally, distribution entity (Distributor) 11 or multiple, this exemplary embodiment does not limit it.
The functional node network (Function Nodes Network) 13 of a series of functional node composition, function therein Can node be by by the function of function and control aspect in terms of the data processing in the network elements such as S-GW, P-GW in existing network It can be splitted out from original physical equipment, and according to function granularity, be deployed in functional node network (Function Nodes Network) in 13.
Wherein, each functional node has calculating and storage capacity, can be used for executing the data of router or interchanger Forwarding operation, can also be performed data processing operation, can be directly connected between functional node, or come by an IP network It connects, the side of self-defending network (Self-Defending Network, SDN) can be used in the data forwarding inside IP network Traditional autonomous mode also can be used in formula.Each functional node can have identical processing plan in the processing of data Slightly, it is possible to have different processing strategies.Functional node it is available by centralized control network element (SNC) 10 be pre-configured or under The processing strategie of hair.
Aerial node (Radio Node) 14, can be radio frequency (Radio Frequency, RF) transmitter, is also possible to Base station, the transmission for wireless signal.
Interface (NAT) 15 between other domain networks, this interface are used for when based on software-defined network and other domains Use when network is communicated.
In addition, there are the corresponding relationship of multi-to-multi, a kind of business can be by one or more for functional node and business in network A functional node processing, a functional node can be used for handling a kind of or multi-traffic.Under normal circumstances, for a kind of industry Business, a functional node can be used as a certain link in such business procession.For example, in network there are voice, data, Video flowing three classes business, then above-mentioned three classes business required functional node that passes through in data transmission procedure includes: deep message Detect (Deep Packet Inspection, DPI) functional node, video compression functionality node, L2 layer function node, L3 layers of function Energy node etc., that is to say, that a kind of business generally requires multiple functional nodes to carry out business processing.
It is provided in an embodiment of the present invention to be based on software-defined network architecture diagram, by by S-GW, P- in existing network The function of the function and control aspect in terms of data processing in the network elements such as GW is decoupled from original physical equipment, splits into difference Functional node, and the function of the control plane in the network element of decoupling and MME are merged into the control network element of concentration, can be effective According to the characteristics of customer service and performance needs dynamic extension functional node, the utilization rate of Internet resources is effectively increased.
Fig. 2 is the flow chart of resource allocation method embodiment one of the present invention, as shown in Fig. 2, this method comprises:
Step 101: centralized control network element SNC obtains each functional node in network and handles the single Business Stream of each type business Resource consumption information；
The money of each functional node processing single Business Stream of each type business in the available network of centralized control network element SNC Source consumption information, it is specific: can by delineation of activities that user is handled at different Business Streams, carried out by needs in terms of For the Business Stream of calculation, resource consumption information can need to carry out for what the functional node processing user with computing capability uploaded The resource of computing capability functional node consumed by the single Business Stream of calculation processing.The business that the user is handled It may include: storage service, calculating business, transcoding business, coding business, decoding business etc., the present invention does not limit it.It is each After functional node calculates the respectively resource consumption information of the processing single Business Stream of each type business, SNC can be reported to.
Step 102: centralized control network element SNC is total according to resource consumption information obtained and various types of business Amount and its delay character determine that the single Business Stream of each type business passes through the corresponding Delay of functional node；
Centralized control network element SNC can receive the resource of the single Business Stream of processing each type reported from each functional node Consumption information, and the delay characteristics of comprehensive each type of total business volume obtained and various businesses, determine each type The single Business Stream of business passes through the corresponding Delay of functional node.Wherein, the delay characteristics can be each type industry For the single Business Stream of business by Delay corresponding to functional node, the time delay of the single Business Stream may include: storage The time delay of business, the time delay for calculating business, the time delay of transcoding business, the time delay for encoding business, the time delay for decoding business etc., this hair It is bright not limit it.
Step 103: centralized control network element SNC determines that each type of business is corresponding according to identified Delay Objective function number of nodes corresponding to objective function node type and every kind of objective function node type；
Centralized control network element SNC is corresponding by functional node according to the single Business Stream of identified each type business Delay, the type of objective function node required for determining are calculated then using the linear programming method under time delay limitation Meet the quantity of all kinds of business of whole net minimal time delay, i.e., the number of the business handled needed for acquisition same kind functional node out Amount, then centralized control network element SNC according to the quantity of business of processing needed for calculated same type of functional node remove With the objective function node of this type obtained to the ability of the business processing of the type, so that it may determine each type mesh Mark the quantity of objective function node corresponding to functional node.
Step 104: centralized control network element SNC is according to various types of total business volumes obtained and identified every Target function corresponding to the corresponding objective function node type of the business of seed type and every kind of objective function node type Energy number of nodes sends configuration information to objective function node, and configuration information is used to indicate handled type of service and business Amount.
Centralized control network element SNC is right according to the type of identified objective function node and each type functional node institute The quantity for the objective function node answered sends configuration information to functional node network, is included to configuration feature meshed network Functional node type and each type functional node quantity.The configuration information can configure for initial static, can also Think dynamic configuration, does not limit it herein.
In the present embodiment, determine that each type objective function node institute is right using the linear programming method under time delay limitation The quantity for the objective function node answered specifically:
Assuming that there are m kind functional node T in networki(i=1,2 ..., m), n class business Sj(j=1,2 ..., n), every class The quantity of business is xj(j=1,2 ..., n), the time delay of every class business individually flowed is bj(j=1,2 ..., n), ci(i=1, 2 ..., m) indicate available capability of the functional node to every class business, every kind of business SjConsumed functional node ability matrix is An×m, matrix element aijIndicate the consumption that every kind of business individually flows, referring specifically to table 1:
The time delay of 1 business of table and node type consumes contrast relationship
Objective function is the time delay z of whole net, i.e. the time delay summation of all Business Streams of different business, reaches minimum with z Target, then:
There is following constraint condition according to different types of functional node available capability:
Can with (2-1) be objective function, and with (2-2) be constraint condition, it is available in different function node capacity For ci(i=1,2 ..., m), meet the quantity x of the various businesses of whole net minimal time delayj(j=1,2 ..., n).Wherein, function The quantity of node can be by required function node capacity divided by the ability of individual feature node, and the integer for being taken into one obtains ?.
It should be noted that the above process can be suitable for the initial resource configuration process network, and it can be with the period Property or modes triggered etc. by event execute above-mentioned resource distribution process.
Resource allocation method provided in this embodiment is obtained by centralized control network element SNC and obtains each function section in network The resource consumption information of the point processing single Business Stream of each type business and various types of total business volumes and its time delay are special Property, the single Business Stream of each type business is determined by the corresponding Delay of functional node, then using under time delay limitation Linear programming method determine every kind according to the quantity of objective function node type and the quantity of different types of Business Stream The quantity of objective function node corresponding to type target functional node, and by identified objective function node type and every kind Type of functionality number of nodes is sent to functional node network as configuration message.The reasonable utilization of Internet resources is realized, is improved The utilization rate of Internet resources, avoids the congestion of network, ensure that the normal transmission of customer service.
Fig. 3 is the schematic diagram of the initialization process of resource allocation method embodiment two of the present invention, as shown in figure 3, this implementation Example provides the process that functional node is registered to SNC, this method comprises:
Step 201: centralized control network element SNC and each functional node are respectively started, and are in enabled state.
Step 202: functional node sends registration request to centralized control network element SNC.
Functional node in network in enabled state initiates to register to centralized control network element SNC, and when registration can be taken The band parameters such as functional node type, node identification, ability information, allow centralized control network element SNC to identify each functional node The type of processing business type and the ability of the specific business of processing.
Step 203: centralized control network element SNC issues network traffic types and quantity.
After centralized control network element SNC obtains the registration request of the functional node in functional node network, centralized control net First SNC can send service type information and business to corresponding functional node according to node type, node identification and ability information Parameter information, so that the every type of processing is calculated according to service type information and business parameters data in corresponding functional node The resource consumption information of the single Business Stream of type business.
Step 204: functional node calculates the consumption of each Business Stream, and calculated result is reported to centralized control network element SNC。
Functional node in functional node network receives the business that the user that centralized control network element SNC is issued is transmitted After the relevant parameter of type and various types business, pass through the computation processing method of pre-configuration, every kind of business sheet of calculation processing The consumption of a Business Stream, that is, business and a in the time delay consumption comparison relational matrix of functional node typeij, and will Calculated result is reported to centralized control network element SNC.
Wherein, above-mentioned consumption can be consumption, the consumption of memory space etc. of functional node computing capability, the present embodiment It is without restriction to this.
Step 205: centralized control network element SNC saves above-mentioned business and the time delay consumption comparison of functional node type closes It is matrix, the functional node in functional node network completes registration.
When the functional node that centralized control network element SNC receives the upload of functional node network handles the single business of every kind of business The consumption parameter of stream will consume parameter and be stored in the business of pre-configuration and the time delay consumption contrast relationship matrix of node type, For carrying out the flow operations of next step.
In initial method provided in this embodiment, the main registration for completing functional node and ability and consumption parameter Report, global information, efficient scheduling and distribution Internet resources are collected by centralized control network element, and pass through linear programming Method obtains the quantity of the Business Stream of the quantity and processing of functional node when guaranteeing whole net minimal time delay, realizes Internet resources Reasonable utilization, improve the utilization rate of Internet resources.
Fig. 4 is the schematic diagram of the pre-configuration process of resource allocation method embodiment two of the present invention, as shown in figure 4, this implementation Example provides SNC and carries out Network resource allocation, and the process of configuration information is sent to functional node.This method comprises:
Step 301: centralized control network element SNC obtains business model and service feature.
Centralized control network element SNC obtains the service feature of the pending transmission of user, the class including user's business to be transmitted The delay character of type, the total amount of all kinds of business and all kinds of business.
Step 302: centralized control network element SNC is according to functional node energy force evaluating different business by functional node network Time delay.
Centralized control network element SNC completely passes through functional node network according to the same business of energy force evaluating of functional node Time delay.
Step 303: centralized control network element SNC calculates the quantity for meeting the different function node type of business model.
Centralized control network element SNC meets user's business model to be transmitted according to by the time-delay calculation of functional node network The quantity of required different function node type.
Step 304: different business stream quantity when centralized control network element SNC calculates minimal time delay using linear programming method.
Centralized control network element SNC is calculated under network delay minimum target according to the method for the linear programming in embodiment one The quantity of different business stream.
Step 305: the quantity of different function node needed for centralized control network element SNC is calculated.
By centralized control network element SNC user obtained same type of total business volume to be transmitted divided by individual feature The ability of node, and the integer for being taken into one obtains the quantity of required different function node.
Step 306: centralized control network element SNC issues rule to the functional node needed.
Business configuration to be processed is issued to selected function according to certain rule that issues by centralized control network element SNC Then node carries out the transmission of customer service.
In method for pre-configuration provided in this embodiment, the input of main finishing service type and model, and use linear gauge Draw algorithm using minimize network delay be target calculate transmission customer service need functional node quantity, and entirely The quantity of different business when network delay minimum precomputes network most according to consumption parameter matrix by method for pre-configuration Excellent configuration, and result is issued to functional node network solves Internet resources caused by the real-time change because of subscriber traffic Irrational utilization, ensure that whole network time delay under the same conditions, the distribution of high efficient and flexible and use the resource in network.
In the dynamic configuration process of resource allocation method embodiment two of the present invention, when centralized control network element SNC is monitored When the quantity of all kinds of Business Streams of functional node network exceeds quantity calculated by the method for linear programming, just start dynamic State configuration flow passes through the number of the centralized control network element SNC all kinds of Business Streams by functional node network monitored in real time Amount and delay parameter are brought the parameter being collected into objective function and are recalculated, again according to the method for linear programming The quantity that can satisfy the different type functional node of current business flow is obtained, and the opportunity and strategy, the present invention that calculate do not do Particular determination.
Dynamic BTS configuration method provided in this embodiment passes through functional node to customer service by centralized control network element The variation of the time delay and customer service quantity of network is monitored in real time, the configuration of dynamic adjustment function node.Work as business When the quantity of stream is more than the numerical value that linear programming method calculates, centralized control network element can adjust the configuration of functional node immediately, It solves the increase of time delay caused by due to waiting calculated result, realizes the reasonable utilization of Internet resources, improve network money The utilization rate in source ensure that the normal transmission of customer service.
Fig. 5 is the structural schematic diagram of centralized control network element provided by one embodiment of the present invention, as shown in figure 5, the device It include: to obtain module 11, the first determining module 12, the second determining module 13 and the first sending module 14, wherein obtaining module 11 for obtaining the resource consumption information of each functional node processing single Business Stream of each type business in network；First determines mould Block 12, for according to the acquisition resource consumption information obtained of module 11 and various types of total business volumes and at that time Delay characteristics determine that the single Business Stream of each type business passes through the corresponding Delay of functional node；Second determining module 13, According to the Delay determined by the first determining module 12, the corresponding objective function node class of each type of business is determined Objective function number of nodes corresponding to type and every kind of objective function node type；First sending module 14, according to institute State the corresponding objective function section of each type of business determined by various types of total business volumes and the second determining module 13 Objective function number of nodes corresponding to vertex type and every kind of objective function node type, to the objective function node Configuration information is sent, the configuration information is used to indicate handled type of service and portfolio.
Specifically, obtaining each functional node processing single Business Stream of each type business in the available network of module 11 Resource consumption information, it is specific: can be by delineation of activities that user is handled at different Business Streams, to need to carry out For the Business Stream of calculating, resource consumption information can for computing capability functional node handle user upload needs into The resource of computing capability functional node consumed by the single Business Stream of row calculation processing.The industry that the user is handled Business may include: storage service, calculating business, transcoding business, coding business, decoding business etc., and the present invention does not limit it.Respectively After a functional node calculates the respectively resource consumption information of the processing single Business Stream of each type business, first can be reported to Determining module 12.
First determining module 12 obtains the resource consumption letter for obtaining the single Business Stream of processing each type that module 11 reports Breath, and the delay characteristics of comprehensive each type of total business volume obtained and various businesses, determine each type business Single Business Stream passes through the corresponding Delay of functional node.Wherein, the delay characteristics can be the list of each type business For a Business Stream by Delay corresponding to functional node, the time delay of the single Business Stream may include: storage service Time delay, the time delay for calculating business, the time delay of transcoding business, the time delay for encoding business, the time delay for decoding business etc., the present invention is to this Without limitation.
The single Business Stream for each type business that second determining module 13 is determined according to the first determining module passes through function Then the corresponding Delay of node, the type of objective function node required for determining utilize the linear gauge under time delay limitation The method of drawing is calculated the quantity of all kinds of business when meeting whole net minimal time delay, that is, is obtained with the minimum optimal objective of network delay The quantity of the business handled needed for same kind functional node is obtained, then the second determining module 13 is according to the calculated same type of institute The quantity of the business handled needed for the functional node of type is divided by the objective function node of this type obtained to the type The ability of business, so that it may determine the quantity of objective function node corresponding to each type objective function node.
First sending module 14 receives corresponding to each type objective function node determined by the second determining module 13 Objective function node quantity, then to functional node send configuration information, included to configuration feature meshed network The quantity of functional node type and each type functional node.Configuration information can configure for initial static, or dynamic State configuration, does not limit it herein.
In addition, as shown in fig. 6, can further include for above-mentioned centralized control network element: 15 He of receiving module Second sending module 16, wherein receiving module 15 is used for each functional node in obtaining the acquisition network of module 11 and handles every type Before the resource consumption information of the single Business Stream of type business, the registration message that the functional node in network is sent, the note are received Node type, node identification and the ability information of the functional node are carried in volume message；Second sending module 16 will be for that will connect The node type, the node identification and the ability information that module 15 receives are received, to the corresponding functional node Service type information and business parameters data are sent, so that the corresponding functional node is according to the service type information and industry Business parameter information, the resource consumption information for the single Business Stream of processing each type business being calculated.
In the present embodiment, determine that each type objective function node institute is right using the linear programming method under time delay limitation The quantity for the objective function node answered specifically:
Assuming that there are m kind functional node T in networki(i=1,2 ..., m), n class business Sj(j=1,2 ..., n), every class The quantity of business is xj(j=1,2 ..., n), the time delay of every class business individually flowed is bj(j=1,2 ..., n), ci(i=1, 2 ..., m) indicate available capability of the functional node to every class business, every kind of business SjConsumed functional node ability matrix is An×m, matrix element aijIndicate the consumption that every kind of business individually flows, referring specifically to table 1:
The time delay of 1 business of table and node type consumes contrast relationship
Objective function is the time delay z of whole net, i.e. the time delay summation of all Business Streams of different business, reaches minimum with z Target, then:
There is following constraint condition according to different types of functional node available capability:
Can with (2-1) be objective function, and with (2-2) be constraint condition, it is available in different function node capacity For ci(i=1,2 ..., m), the quantity x of various businesses when meeting whole net minimal time delayj(j=1,2 ..., n).Wherein, function The quantity of energy node can be by required function node capacity divided by the ability of individual feature node, and the integer for being taken into one obtains ?.
It should be noted that the above process can be suitable for the initial resource configuration process network, and it can be with the period Property or modes triggered etc. by event execute above-mentioned resource distribution process.
Centralized control network element provided in this embodiment sets for the execution of resource allocation method provided in an embodiment of the present invention Standby, the detailed process for executing resource allocation method can be found in that Fig. 2, Fig. 3 are related in embodiment of the method shown in Fig. 4 to be retouched It states, details are not described herein.
Centralized control network element provided in an embodiment of the present invention, by handling each type according to each functional node obtained The resource consumption information and delay character of the single Business Stream of business, and using the method for linear programming, determine each type mesh The quantity of objective function node corresponding to functional node is marked, and the type of determining functional node and quantity are sent to mesh Functional node is marked, the transmission of customer service can be carried out after configuration successful, the reasonable utilization of Internet resources is realized, improves net The utilization rate of network resource avoids the congestion of network, ensure that the normal transmission of customer service.
Fig. 7 is the schematic diagram of resource distribution centralized control network element in one embodiment of the invention, as shown in fig. 7, this implementation The resource distribution centralized control network element that example provides includes: processor 21 and memory 22.The storage of memory 22 executes instruction, and works as control It when network element processed is run, is communicated between processor 21 and memory 22, processor 21 calls executing instruction in memory 22, is used for Execute following operation:
Obtain the resource consumption information of each functional node processing single Business Stream of each type business in network；
According to the resource consumption information and various types of total business volumes and its delay character, each type is determined The single Business Stream of business passes through the corresponding Delay of functional node；
According to the Delay, determine described in the corresponding objective function node type of each type of business and every kind Objective function number of nodes corresponding to objective function node type；
According to various types of total business volumes and the corresponding objective function section of identified each type of business Objective function number of nodes corresponding to vertex type and every kind of objective function node type, to the objective function node Configuration information is sent, the configuration information is used to indicate handled type of service and portfolio.
Optionally, the resource of each functional node processing single Business Stream of each type business in obtaining network of processor 21 Before consumption information, it can also be performed:
The registration message that the functional node in network is sent is received, the node of the functional node is carried in registration message Type, node identification and ability information；
According to node type, node identification and ability information, service type information and industry are sent to corresponding functional node Business parameter information, so that the place that corresponding functional node according to the service type information and business parameters data, is calculated Manage the resource consumption information of the single Business Stream of each type business.
Optionally, the resource that processor 21 obtains each functional node processing single Business Stream of each type business in network disappears Information is consumed, specifically:
Receive the resource consumption for the functional node processing single Business Stream of each type business that corresponding functional node is sent Information.
Optionally, processor 21 determines the corresponding objective function node type of each type of business according to Delay And objective function number of nodes corresponding to every kind of objective function node type, it specifically includes:
The quantity of objective function node type needed for calculating each type of business；
Different type is determined with the minimum optimization aim of network delay according to the competence set of functional node each in network Business Stream quantity；
According to the quantity of objective function node type needed for each type of business and different types of business The quantity of stream determines objective function number of nodes corresponding to every kind of objective function node type.
Optionally, processor 21 is according to the competence set of functional node each in network, with the minimum optimization mesh of network delay Mark, determines the quantity of different types of Business Stream, specifically includes:
WithFor objective function, withFor constraint condition, inhomogeneity is determined The quantity of the Business Stream of type；
Wherein, z is the time delay of whole network, i.e. the time delay summation of all Business Streams of different business, and it is desirable that z is minimum； aij(i=1,2 ..., m；J=1,2 ..., n) indicate the consumption that every kind of business individually flows；bj(j=1 2 ..., n) indicates every class industry The time delay of business individually flowed；ci(i=1 2 ..., m) indicates functional node to the available capability of every class business；xj(j=1, 2 ..., n) indicate the quantity of different types of Business Stream.
Optionally, processor 21 calculates the quantity of the objective function node type needed for each type of business, tool Body includes:
According to various types of total business volumes of acquisition, objective function node type needed for calculating each type of business Quantity, wherein same type of business corresponds to a type of objective function node.
Optionally, the quantity of the objective function node type according to needed for each type of business of processor 21, and not The quantity of the Business Stream of same type determines objective function number of nodes corresponding to every kind of objective function node type, specific to wrap It includes:
Target function is obtained divided by ability of the objective function node to the business of the type according to same type of total business volume It can number of nodes.
Resources control centralized control network element provided in an embodiment of the present invention, can be used for executing the skill of above method embodiment Art scheme, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Fig. 8 is the architecture diagram of resource distribution network provided by one embodiment of the present invention, as shown in figure 8, the network includes Centralized control network element (SNC) 30 and multiple functional nodes 31；
Wherein, centralized control network element (SNC) 30, it is single for obtaining each functional node processing each type business in network The resource consumption information of Business Stream；According to the resource consumption information and various types of total business volumes and its delay character, Determine that the single Business Stream of each type business passes through the corresponding Delay of functional node；According to the Delay, determine Target corresponding to each type of corresponding objective function node type of business and every kind of objective function node type Functional node quantity；According to various types of total business volumes and the corresponding target of identified each type of business Objective function number of nodes corresponding to functional node type and every kind of objective function node type, to the target function Energy node sends configuration information, and the configuration information is used to indicate handled type of service and portfolio.
Multiple functional nodes 31, the configuration information issued for receiving the centralized control network element (SNC) 30, the configuration Information is used to indicate handled type of service and portfolio, and executes corresponding business forwarding operation according to the configuration information And/or business processing operation.
Optionally, centralized control network element (SNC) 30 obtains each functional node in network and handles the single industry of each type business It is engaged in front of the resource consumption information of stream, it can be with: receiving the registration message that the functional node in network is sent, the registration disappears Node type, node identification and the ability information of the functional node are carried in breath；And according to the node type, the node Mark and the ability information send service type information and business parameters data to the corresponding functional node, so that right The functional node answered is according to the service type information and business parameters data, the processing each type business that is calculated The resource consumption information of single Business Stream.
Centralized control network element (SNC) 30 obtains the money of each functional node processing single Business Stream of each type business in network Source consumption information, specifically: it receives the functional node that the corresponding functional node is sent and handles each type business sheet The resource consumption information of a Business Stream.
Centralized control network element (SNC) 30 determines the corresponding objective function of each type of business according to the Delay Objective function number of nodes corresponding to node type and every kind of objective function node type, specifically includes: concentrating control The quantity of the objective function node type needed for network element (SNC) 30 processed calculates each type of business, and in conjunction with the net The competence set of each functional node in network determines the quantity of different types of Business Stream with the minimum optimization aim of network delay, Then the quantity of the objective function node type according to needed for each type of business and described different types of The quantity of Business Stream determines objective function number of nodes corresponding to every kind of objective function node type.
Specifically, competence set of the centralized control network element (SNC) 30 according to functional node each in the network, when with network Prolong minimum optimization aim, determine the quantity of different types of Business Stream, comprising:
WithFor objective function, withFor constraint condition, inhomogeneity is determined The quantity of the Business Stream of type；
Wherein, z is the time delay of whole network, i.e. the time delay summation of all Business Streams of different business, and it is desirable that z is minimum； aij(i=1,2 ..., m；J=1,2 ..., n) indicate the consumption that every kind of business individually flows；bj(j=1 2 ..., n) indicates every class industry The time delay of business individually flowed；ci(i=1 2 ..., m) indicates functional node to the available capability of every class business；xj(j=1, 2 ..., n) indicate the quantity of different types of Business Stream.
Centralized control network element (SNC) 30 calculates each type of business institute according to various types of total business volumes of acquisition The quantity of the objective function node type needed, wherein same type of business corresponds to a type of objective function section Point.
Optionally, the objective function section according to needed for each type of business of centralized control network element (SNC) 30 The quantity of the quantity of vertex type and the different types of Business Stream determines that every kind of objective function node type institute is right The objective function number of nodes answered, specifically: according to the same type of total business volume divided by the objective function node pair The ability of the business of the type obtains the objective function number of nodes.
As shown in figure 9, optionally, can also be wrapped in the resource distribution network on the basis of the network architecture shown in Fig. 8 Include: distribution entity (Distributor) 33, data rule matching entities (Entry) 32 are formed with by a series of functional node Functional node network (Function Nodes Network) 31, aerial node (Radio Node) 34 and with other domain networks Between interface (NAT) 35 form.Each section specifically describes to see below:
Wherein, centralized control network element (SNC) 30 has mobile management entity MME, gateway S-GW and packet data The control plane function of the network elements such as gateway P-GW.
The progress matched entity of data rule (Entry) 32, the rule issued for receiving centralized control network element SNC, and The rule received is distributed to the functional node in functional node network (Function Nodes Network) 33 to execute.
Distribution entity (Distributor) 33, for when carry out the matched entity of data rule (Entry) 32 have it is multiple When, the rule that centralized control network element (SNC) 10 issues is distributed to the different matched entities of carry out data rule (Entry) 32, optionally, distribution entity (Distributor) 33 or multiple, this exemplary embodiment does not limit it.
The functional node network (Function Nodes Network) 31 of a series of functional node composition, function therein Energy node, the configuration information issued for receiving the centralized control network element, the configuration information are used to indicate handled industry Service type and portfolio, and corresponding business forwarding operation and/or business processing operation are executed according to the configuration information.
Aerial node (Radio Node) 34, can be radio frequency (Radio Frequency, RF) transmitter, is also possible to Base station, the transmission for wireless signal.
Interface (NAT) 35 between other domain networks, this interface are used for when based on software-defined network and other domains Use when network is communicated.
In addition, there are the corresponding relationship of multi-to-multi, a kind of business can be by one or more for functional node and business in network A functional node processing, a functional node can be used for handling a kind of or multi-traffic.Under normal circumstances, for a kind of industry Business, a functional node can be used as a certain link in such business procession.For example, in network there are voice, data, Video flowing three classes business, then above-mentioned three classes business required functional node that passes through in data transmission procedure includes: deep message Detect (Deep Packet Inspection, DPI) functional node, video compression functionality node, L2 layer function node, L3 layers of function Energy node etc., that is to say, that a kind of business generally requires multiple functional nodes to carry out business processing
The architecture diagram of resource distribution network provided in an embodiment of the present invention based on software definition, by will be in existing network The network elements such as S-GW, P-GW in data processing in terms of function and the function of control aspect decoupled from original physical equipment, Different functional nodes is split into, and the function of the control plane in the network element of decoupling and MME are merged into the control network element of concentration, Internet resources can be effectively increased effectively according to the characteristics of customer service and performance needs dynamic extension functional node Utilization rate.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light The various media that can store program code such as disk.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (16)

1. a kind of configuration method of resource characterized by comprising
Centralized control network element SNC obtains the resource consumption letter of each functional node processing single Business Stream of each type business in network Breath；
The SNC determines every type according to the resource consumption information and various types of total business volumes and its delay character The single Business Stream of type business passes through the corresponding Delay of functional node；
The SNC determines the corresponding objective function node type of each type of business and every kind according to the Delay Objective function number of nodes corresponding to the objective function node type；
The SNC is according to various types of total business volumes and the corresponding target function of identified each type of business Objective function number of nodes corresponding to energy node type and every kind of objective function node type, to the objective function Node sends configuration information, and the configuration information is used to indicate handled type of service and portfolio.
2. the method according to claim 1, wherein the SNC, which obtains each functional node in network, handles every kind Before the resource consumption information of the single Business Stream of type service, further includes:
The SNC receives the registration message of the transmission of the functional node in network, carries the function section in the registration message Node type, node identification and the ability information of point；
The SNC is sent out according to the node type, the node identification and the ability information to the corresponding functional node Service type information and business parameters data are sent, so that the corresponding functional node is according to the service type information and business The resource consumption information of the processing single Business Stream of each type business is calculated in parameter information.
3. according to the method described in claim 2, it is characterized in that, the SNC, which obtains each functional node in network, handles every kind The resource consumption information of the single Business Stream of type service, specifically:
The SNC receives the functional node processing single Business Stream of each type business that the corresponding functional node is sent Resource consumption information.
4. method according to claim 1-3, which is characterized in that the SNC is determined according to the Delay Target corresponding to each type of corresponding objective function node type of business and every kind of objective function node type Functional node quantity, specifically includes:
The SNC calculates the quantity of the objective function node type needed for each type of business；
The SNC is determined not according to the competence set of functional node each in the network with the minimum optimization aim of network delay The quantity of the Business Stream of same type；
SNC quantity of the objective function node type according to needed for each type of business and it is described not The quantity of the Business Stream of same type determines objective function number of nodes corresponding to every kind of objective function node type.
5. according to the method described in claim 4, it is characterized in that, the SNC is according to the energy of functional node each in the network Power set is determined the quantity of different types of Business Stream, is specifically included with the minimum optimization aim of network delay:
The SNC withFor objective function, withFor constraint condition, determine not The quantity of the Business Stream of same type；
Wherein, z is the time delay of whole network, i.e. the time delay summation of all Business Streams of different business, and it is desirable that z is minimum；ajiTable Show the consumption that every kind of business individually flows；bjIndicate the time delay of every class business individually flowed；ciIndicate functional node to every class business Available capability；xjIndicate the quantity of different types of Business Stream, wherein i=1,2 ..., m；J=1,2 ..., n.
6. according to the method described in claim 4, it is characterized in that, the SNC calculate it is described needed for each type of business The quantity of objective function node type, specifically includes:
The SNC calculates the objective function needed for each type of business according to various types of total business volumes of acquisition The quantity of node type, wherein same type of business corresponds to a type of objective function node.
7. according to the method described in claim 4, it is characterized in that, the SNC is according to needed for each type of business The quantity of the quantity of the objective function node type and the different types of Business Stream determines every kind of target function Objective function number of nodes corresponding to energy node type, specifically includes:
The SNC is obtained according to same type of total business volume divided by ability of the objective function node to the business of the type The objective function number of nodes.
8. a kind of centralized control network element characterized by comprising
Module is obtained, for obtaining the resource consumption letter of each functional node processing single Business Stream of each type business in network Breath；
First determining module, for according to the acquisition module resource consumption information obtained and various types of business Total amount and its delay character determine that the single Business Stream of each type business passes through the corresponding Delay of functional node；
Second determining module, the Delay according to determined by the first determining module determine that each type of business is corresponding Objective function node type and every kind of objective function node type corresponding to objective function number of nodes；
First sending module, according to each type determined by various types of total business volumes and the second determining module The corresponding objective function node type of business and every kind of objective function node type corresponding to objective function node Quantity sends configuration information to the objective function node, and the configuration information is used to indicate handled type of service and industry Business amount.
9. centralized control network element according to claim 8, which is characterized in that further include:
Receiving module handles the single Business Stream of each type business for obtaining each functional node in network in the acquisition module Resource consumption information before, receive the registration message that the functional node in network is sent, carry in the registration message described in Node type, node identification and the ability information of functional node；
Second sending module, the node type, the node identification for being received according to the receiving module and described Ability information sends service type information and business parameters data to the corresponding functional node, so that the corresponding function The processing single Business Stream of each type business is calculated according to the service type information and business parameters data in energy node Resource consumption information.
10. centralized control network element according to claim 9, which is characterized in that the acquisition module obtains each function in network The resource consumption information of the energy single Business Stream of node processing each type business, specifically:
It is single that the acquisition module receives the functional node processing each type business that the corresponding functional node is sent The resource consumption information of Business Stream.
11. according to the described in any item centralized control network elements of claim 8-10, which is characterized in that the second determining module root According to first determining module determine Delay, determine the corresponding objective function node type of each type of business and Objective function number of nodes corresponding to every kind of objective function node type, specifically includes:
First determining module calculates the quantity of the objective function node type needed for each type of business；
First determining module is according to the competence set of functional node each in the network, with the minimum optimization mesh of network delay Mark, determines the quantity of different types of Business Stream；
The objective function needed for second determining module each type of business according to determined by the first determining module The quantity of the quantity of node type and the different types of Business Stream determines every kind of objective function node type institute Corresponding objective function number of nodes.
12. centralized control network element according to claim 11, which is characterized in that first determining module is according to the net The competence set of each functional node in network determines the quantity of different types of Business Stream with the minimum optimization aim of network delay, It specifically includes:
First determining module withFor objective function, withTo constrain item Part determines the quantity of different types of Business Stream；
Wherein, z is the time delay of whole network, i.e. the time delay summation of all Business Streams of different business, and it is desirable that z is minimum；ajiTable Show the consumption that every kind of business individually flows；bjIndicate the time delay of every class business individually flowed；ciIndicate functional node to every class business Available capability；xjIndicate the quantity of different types of Business Stream, wherein i=1,2 ..., m；J=1,2 ..., n.
13. centralized control network element according to claim 11, which is characterized in that second determining module calculates every type The quantity of the objective function node type needed for the business of type, specifically includes:
Second determining module calculates described needed for each type of business according to various types of total business volumes of acquisition The quantity of objective function node type, wherein same type of business corresponds to a type of objective function node.
14. centralized control network element according to claim 11, which is characterized in that second determining module is according to described every The quantity of the objective function node type and the quantity of the different types of Business Stream needed for the business of seed type, It determines objective function number of nodes corresponding to every kind of objective function node type, specifically includes:
Second determining module is according to same type of total business volume divided by the objective function node to the business of the type Ability obtain the objective function number of nodes.
15. a kind of resource distribution centralized control network element characterized by comprising memory and processor, the memory are used for Store instruction, the processor is for running the instruction stored in the memory to execute such as any one of claim 1-7 institute The configuration method for the resource stated.
16. a kind of resource distribution network, which is characterized in that including the described in any item centralized control nets of such as claim 8-15 Member further includes multiple functional nodes；
The functional node, the configuration information issued for receiving the centralized control network element, the configuration information are used to indicate Handled type of service and portfolio, and executed at corresponding business forwarding operation and/or business according to the configuration information Reason operation.
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