CN104468758B - The method and apparatus for realizing data transmission service quality guarantee - Google Patents

The method and apparatus for realizing data transmission service quality guarantee Download PDF

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Publication number
CN104468758B
CN104468758B CN201410707566.8A CN201410707566A CN104468758B CN 104468758 B CN104468758 B CN 104468758B CN 201410707566 A CN201410707566 A CN 201410707566A CN 104468758 B CN104468758 B CN 104468758B
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China
Prior art keywords
virtual user
resource
application
virtual
attribute
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CN201410707566.8A
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Chinese (zh)
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CN104468758A (en
Inventor
雷磊
王志军
房秉毅
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中国联合网络通信集团有限公司
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Priority to CN201410707566.8A priority Critical patent/CN104468758B/en
Publication of CN104468758A publication Critical patent/CN104468758A/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/50Network service management, i.e. ensuring proper service fulfillment according to an agreement or contract between two parties, e.g. between an IT-provider and a customer
    • H04L41/5019Ensuring SLA
    • H04L41/5022Ensuring SLA by giving priorities, e.g. assigning classes of service
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic regulation in packet switching networks
    • H04L47/70Admission control or resource allocation
    • H04L47/80Actions related to the nature of the flow or the user
    • H04L47/805QOS or priority aware

Abstract

The invention provides a kind of method and apparatus for realizing data transmission service quality guarantee, including:The Virtual User hierarchy model including Virtual User, Virtual User group and virtual tenant is pre-established, the wherein Virtual User of same type forms Virtual User group, and the set of all Virtual User forms virtual tenant, and Virtual User group is the subset of virtual tenant;It will apply in advance and be mapped as Virtual User, the attribute of Virtual User is set according to the attribute of application, the attribute of Virtual User includes priority vector;When the priority vector of Virtual User is provided with authority dynamic update resource, if application does not have available resources corresponding to Virtual User, for Virtual User distribution upgrading resource.The present invention provides elastic and flexible resource distribution for data transfer and supported, preferably provides service quality guarantee for data transfer.

Description

The method and apparatus for realizing data transmission service quality guarantee

Technical field

The present invention relates to technical field of data transmission, more particularly to a kind of method for realizing data transmission service quality guarantee And device.

Background technology

It is low that the critical datas such as high frequency transaction system, Stock Trading, internet finance, video conference need bottom-layer network to provide Delay, the network service of stable bandwidth are, it is necessary to which strict service quality (QoS, Quality of Service) ensures.

Currently, it is more to be built using towards forwarding network path in order to solve the end to end network QoS security problems of key business Vertical virtual link, i.e., a virtual link end to end is established by owner/user of business or trustee's application, this is virtual Link can provide the transport services of special line quality for upper layer application in theory.Although the virtual link is built in packet switching network It is still, typically set in advance using the characteristic for above possessing circuit switching, its bandwidth on network.

In addition, many group customer batch in the form of set meal buys Internet resources from operator, for supporting video conference Deng application, but these applications have different priority, belong to key business if video conference and transaction system, it is necessary to carry For network QoS guarantee end to end, still, these group customer lack application oriented partition of the level and right assignment system.

In view of this, it is necessary to provide a kind of improved data transmission service quality guarantee plan to solve prior art Problem.

The content of the invention

In order to solve the above-mentioned technical problem, the invention provides a kind of method for realizing data transmission service quality guarantee and Device, elastic and flexible resource distribution can be provided for data transfer and supported, so as to preferably provide clothes for data transfer Business quality assurance.

In order to reach the object of the invention, the invention provides a kind of method for realizing data transmission service quality guarantee, bag Include:Pre-establish the void of Virtual User hierarchy model, wherein same type including Virtual User, Virtual User group and virtual tenant Intend user and form Virtual User group, the set of all Virtual User forms virtual tenant, and Virtual User group is the son of virtual tenant Collection;It will apply in advance and be mapped as Virtual User, the attribute of Virtual User, the category of the Virtual User are set according to the attribute of application Property includes priority vector;When the priority vector of Virtual User is provided with authority dynamic update resource, if the void Intend distributing upgrading resource using when there is no available resources for the Virtual User corresponding to user.

Further, methods described also includes:Same type applies group using formation, will be mapped as Virtual User using group Group, the attribute of Virtual User group is set according to the attribute of application group, and the attribute of the Virtual User includes priority vector;It is described The priority matrix of priority vector is:P=(p0, p1..., pk);Wherein, p0Whether representative has permission dynamic update resource, when p0When being arranged to the first value, expression has permission dynamic update resource;Work as p0When being arranged to second value, represent that no authority dynamic rises Level resource.

Further, the attribute of Virtual User and the Virtual User group also includes:Quota, remaining sum and resource consumption;Institute State includes corresponding to Virtual User using no available resources:If the remaining sum is less than the resource consumption of operation application, or The quota is less than the resource consumption of operation application, then no available bandwidth resources are applied corresponding to Virtual User.

Further, the attribute of Virtual User and the Virtual User group also includes:Upgrade number;Virtually used to be described Before family distribution upgrading resource, in addition to:Determine that Virtual User has permission dynamic update resource;The determination Virtual User is had the right Limit dynamic update resource includes:The priority vector is provided with authority dynamic update bandwidth, or, the priority vector It is provided with having residue degree in authority dynamic update bandwidth and the upgrading number, it is determined that Virtual User has permission dynamic and risen Level resource.

Further, the attribute of Virtual User and the Virtual User group also includes:Upgrade granularity;Described is described virtual User, which distributes upgrading resource, to be included:According to the upgrading granularity, in the quota and the upgrading resource of remaining sum increase distribution;It is described After upgrading resource being distributed for the Virtual User, in addition to:Subtract one in the upgrading number.

Further, methods described also includes:Pre-set crucial application and/or pre-set the priority of application;Really After application corresponding to the fixed Virtual User is crucial application, then determine that Virtual User has permission dynamic update resource;It is described to be The Virtual User distribution upgrading resource includes:According to the priority of the application, upgrade bandwidth is distributed.

A kind of device for realizing data transmission service quality guarantee, including:Module is established, for pre-establishing including virtual The Virtual User of the Virtual User hierarchy model of user, Virtual User group and virtual tenant, wherein same type forms Virtual User Group, the set of all Virtual User form virtual tenant, and Virtual User group is the subset of virtual tenant;Mapping block, for pre- It will first apply and be mapped as Virtual User;Setup module, it is described virtual for setting the attribute of Virtual User according to the attribute of application The attribute of user includes priority vector;Distribute module, for being provided with authority dynamic when the priority vector of Virtual User When upgrading resource, if application does not have available resources corresponding to the Virtual User, for Virtual User distribution upgrading money Source.

Further, the application of same type, which is formed, applies group;The mapping block, is additionally operable to:Void will be mapped as using group Intend user's group, the attribute of Virtual User group be set according to the attribute of application group, the attribute of the Virtual User include priority to Amount;The priority matrix of the priority vector is:P=(p0, p1..., pk);Wherein, p0Whether representative has permission dynamic update Resource, work as p0When being arranged to the first value, expression has permission dynamic update resource;Work as p0When being arranged to second value, no authority is represented Dynamic update resource.

Further, the attribute of Virtual User and the Virtual User group also includes:Quota, remaining sum, resource consumption, upgrading Number and upgrading granularity;Described device also includes:First judge module, for judging corresponding to Virtual User using whether have can With resource, if the remaining sum is less than the resource consumption of operation application, or the quota is less than the resource consumption of operation application, Then judge to apply no available bandwidth resources corresponding to Virtual User;Described device also includes:Second judge module, for sentencing Whether disconnected Virtual User has permission dynamic update resource, if the priority vector is provided with authority dynamic update bandwidth, Or the priority vector is provided with having residue degree in authority dynamic update bandwidth and the upgrading number, then judges Go out Virtual User and have permission dynamic update resource;The distribute module, is specifically used for:According to the upgrading granularity, match somebody with somebody described Volume and the upgrading resource of remaining sum increase distribution, and after upgrading resource is distributed for the Virtual User, in the upgrading number Subtract one.

Further, the setup module, it is additionally operable to pre-set the priority of crucial application and application;Described device is also Including:3rd judge module, for judging using whether being the crucial application corresponding to the Virtual User, if it is, touching Sending out the second judge module described judges whether Virtual User has permission dynamic update resource;The distribute module is additionally operable to:According to The priority of the application of request, distribution upgrading resource.

Compared with prior art, the present invention includes:Pre-establish including Virtual User, Virtual User group and virtual tenant The Virtual User of Virtual User hierarchy model, wherein same type forms Virtual User group, and the set of all Virtual User forms void Intend tenant, Virtual User group is the subset of virtual tenant;It will apply in advance and be mapped as Virtual User, be set according to the attribute of application The attribute of Virtual User, the attribute of the Virtual User include priority vector;When the priority vector of Virtual User is arranged to It is the Virtual User if application does not have available resources corresponding to the Virtual User when having permission dynamic update resource Distribution upgrading resource.The Virtual User that the present invention includes Virtual User, Virtual User group and virtual tenant by establishing is classified mould Type, it will apply and be mapped as Virtual User, the attribute of Virtual User is set according to the attribute of application, therefore, provided using network The authority in source translates into the authority that Virtual User uses Internet resources, so as to by user's classification and right assignment system Realize the management to application;The relevant parameter of upgrade bandwidth is determined whether by increasing in the attribute of Virtual User, from And resource can be distributed to the Virtual User for having the right to upgrade resource in the case of no available resources, provided for data transfer Elastic and flexible resource distribution supports QoS guarantees.In addition, the priority by pre-setting crucial application and application, can Applied so that upgrading resource priority is used for into key, so as to which the data transfer further for key application provides QoS guarantees.

Brief description of the drawings

Fig. 1 is SDN architectural frameworks schematic diagram of the present invention.

Fig. 2 is the schematic flow sheet for the method that the present invention realizes data transmission service quality guarantee.

Fig. 3 is schematic flow sheet of the present invention for Virtual User distribution upgrading resource.

Fig. 4 is the schematic flow sheet that the present invention realizes data transmission service quality ensuring equipment.

Embodiment

The present invention is described in further detail below in conjunction with the accompanying drawings.By description detailed enough, these implementations are shown Example so that those skilled in the art can put into practice the present invention.Without departing from the spirit and scope in the present invention, can be right Implement to make logic, realize and others change.

Current group customer lacks application oriented partition of the level and right assignment system, and generally group customer possess compared with For perfect partition of the level and right assignment system towards employee.If differentiated control and the authority distribution of application are built again System, then put into huge and many functions and overlapped with existing user classification with right assignment system.

The present invention is mapped as Virtual User by that will apply, and realizes the pipe of application with right assignment system by user's classification Reason, can not only save fund input, and can improve the service efficiency of existing Subscriber Management System, reach cost efficiency, Lift the target of management.

The present invention carries out data transmission QoS based on software defined network (SDN, Software Defined Network) and protected Barrier, SDN architectural frameworks can be as shown in figure 1, be divided into 3 layers:Infrastructure layer, key-course and application layer, wherein, the control in key-course Software processed, with the network equipment in infrastructure layer via control and data plane interface interact, with application layer it is various answer With (APP, Application) via open applications Program Interfaces (API, Application Programming Interface) interaction.Standardization that SDN is provided, serviceization, the management interface being globalized, operator can neatly realize pair The management and operation of bottom-layer network, and this control ability is packaged into service and is supplied to the network user to use, user buys net Network bandwidth, and by a variety of, isomery, different grades of Application share these bandwidth.

Fig. 2 is the schematic flow sheet of the method for data transmission service quality guarantee of the present invention, as shown in Fig. 2 including:

Step 21, the Virtual User hierarchy model including Virtual User, Virtual User group and virtual tenant is pre-established, its The Virtual User of middle same type forms Virtual User group, and the set of all Virtual User forms virtual tenant, and Virtual User group is The subset of virtual tenant.

In this step, Virtual User (VU, Virtual User), it is the minimum unit in Virtual User hierarchy model, For corresponding with an application, identified with Virtual User numbering VUID.

Virtual User group (VG, Virtual Group), meet that the Virtual User of setting condition forms Virtual User group, with Virtual User group # VGID forms identify, and wherein the Virtual User of same type can be had similar authority or belong to same Virtual User corresponding to the application of one organization.

Virtual tenant (VT, Virtual Tenant), it is the set of all Virtual User, Virtual User group is virtual tenant Subset.

Virtual tenant, Virtual User group and virtual tenant form the Virtual User hierarchy model of tree structure, the tree-like knot It is shared relationship inside each level of structure, lower level is inheritance, therefore form flexibly controllable in proportion to upper level Correspond to application Virtual User organizational structure.

Step 22, it will apply in advance and be mapped as Virtual User, the attribute of Virtual User, the void are set according to the attribute of application Intending the attribute of user includes priority vector.

In this step, it will apply and be mapped as Virtual User, the attribute of Virtual User is set according to the attribute of application, because This, authority of the Virtual User using Internet resources is translated into using the authority of Internet resources.

Similar, same type applies group using formation, Virtual User group will be mapped as using group, according to the category of application group Property the attribute of Virtual User group is set, therefore, net is used using group Virtual User group is translated into using the authority of Internet resources The authority of network resource.

There is priority vector in the attribute of the Virtual User group mapped using the Virtual User or application group of mapping (Privilege Vector), it is assumed that application needs k kind quality assurance, then priority matrix represents as follows:

P=(p0, p1..., pk)

In a particular embodiment of the present invention, p is set0Whether representative has permission dynamic update bandwidth, if wherein p0=1 When to have permission dynamic update bandwidth, if p0It is no authority dynamic update bandwidth when=0;

pkThe requirement of network index is represented, for the sake of simplicity, only limits a kind of network in a particular embodiment of the present invention Resource metrics:Available bandwidth, certainly in other examples, also other index requests, do not limit herein.

Step 23, when the priority vector of Virtual User is provided with authority dynamic update resource, if the virtual use When application does not have available resources corresponding to family, upgrading resource is distributed for the Virtual User.

Virtual User and the attribute of Virtual User group also include quota, remaining sum, resource consumption, upgrading number, upgrading granularity It is whether shared etc. to upgrade capacity, wherein,

Quota (Qouta), Virtual User or user's group for representing application mapping can use the quota of shared bandwidth, In units of MB/s, quota is represented with q MB/s, NaN represents unrestricted.

Remaining sum (Balance), Virtual User or user's group for representing application mapping have the remaining sum of shared bandwidth, with MB/s is unit, represents remaining sum with b MB/s, NaN represents unrestricted.

Resource consumption (Cost), Virtual User or user's group operation application for representing application mapping need to consume band Width, in units of MB/s, resource consumption is represented with c MB/s, NaN represents unrestricted.

Upgrade number (Count), if the Virtual User or user's group for representing application mapping, which have, can upgrade band The ability of system is extended the deadline, then at most scalable to be represented several times with an integer count, NaN represents unrestricted.

Upgrade granularity (Step), can be with upgrade bandwidth if had for expression using the Virtual User or user's group of mapping The granule size of the ability of limitation, then its each upgrade bandwidth, in units of MB/s, represented with step MB/s.

It is whether shared (Shareable) to upgrade capacity, if for representing that the Virtual User of application mapping, user's group have The ability that can be limited with upgrade bandwidth, then can be set whether the flow after upgrading shares to other users use, with one Boolean categorical variables shareable is represented.

In this step, if application does not have available resources corresponding to the Virtual User, distribute and rise for the Virtual User Level resource, as shown in figure 3, including following sub-step:

Step 231, when receiving application request, the attribute of Virtual User, judgement according to corresponding to the application of request are It is no to have the available resources for running the application, if not provided, into step 232;If so, into step 234.

In this step, according to corresponding to the application of request Virtual User attribute, determine whether to run the application Available bandwidth, including:Quota, remaining sum and resource consumption, judgement in the Virtual User attribute according to corresponding to the application of request are It is no to have the available resources for running the application.

Specifically, also available resources are judged whether, including:If remaining sum disappears more than or equal to the resource for running the application Consumption, and the quota of the application is more than or equal to the resource consumption for running the application, then judges there is the available money for running the application Source;If remaining sum is less than the resource consumption for running the application, or the quota of the application is less than the resource consumption for running the application, Then judge not run the available resources of the application.

After this step, in addition to:After running the application, the money for running the application is subtracted in quota and remaining sum respectively Source consumes.

Step 232, according to corresponding to the application of request Virtual User attribute, determine whether authority upgrade bandwidth, such as Fruit is, into step 233;Otherwise, into step 235.

In this step, according to corresponding to the application of request Virtual User attribute, determine whether authority upgrade bandwidth, Including:Priority vector in the Virtual User attribute according to corresponding to the application of request, determine whether authority upgrade bandwidth.

Specifically, authority upgrade bandwidth is determined whether, including:If priority vector is provided with authority dynamic update Bandwidth, then judge to have permission upgrade bandwidth;If priority vector is arranged to no authority dynamic update bandwidth, judge There is no authority upgrade bandwidth.

Further, the attribute of Virtual User also includes upgrading number.The Virtual User according to corresponding to the application of request Attribute, authority upgrade bandwidth is determined whether, including:Priority in the Virtual User attribute according to corresponding to the application of request to Amount and upgrading number, determine whether authority upgrade bandwidth.

Specifically, authority upgrade bandwidth is determined whether, including:If priority vector is provided with authority dynamic update Bandwidth, and have residue degree in upgrading number, then judge to have permission upgrade bandwidth;If priority vector is arranged to not weigh There is no residue degree in restraint state upgrade bandwidth or upgrading number, then judge there is no authority upgrade bandwidth.

Before this step, it can also include:Pre-set crucial application.

In this step, can also include:Whether the application for judging request is key application, if it is, judgement is It is no to have permission upgrade bandwidth;If not, refusal runs the application of the request.

Step 233, distribution upgrading resource.

In this step, upgrade bandwidth is distributed, including:Upgrading in the Virtual User attribute according to corresponding to the application of request Granularity, in quota and the upgrading resource of remaining sum increase distribution.

Before this step, it can also include:Pre-set the priority of application.

In this step, can also include:If asking multiple applications, upgrading resource is distributed according to the priority of application.

After this step, in addition to:Subtract one in number is upgraded.

Step 234, call the application of the request and terminate this flow.

Step 235, refusal calls the application of the request and terminates this flow.

The present invention includes the Virtual User hierarchy model of Virtual User, Virtual User group and virtual tenant by establishing, will Using Virtual User is mapped as, the attribute of Virtual User is set according to the attribute of application, therefore, using the power of Internet resources Limit translates into the authority that Virtual User uses Internet resources, so as to by user's classification and right assignment system realization pair The management of application;The relevant parameter of upgrade bandwidth is determined whether by increasing in the attribute of Virtual User, so as to In the case of no available resources, resource is distributed to the Virtual User for having the right to upgrade resource, for data transfer provides it is elastic with Flexible resource distribution supports QoS guarantees.In addition, the priority that the present invention is applied and applied by pre-setting key, can Applied so that upgrading resource priority is used for into key, so as to which the data transfer further for key application provides QoS guarantees.

Fig. 4 is the structural representation for the device that the present invention realizes data transmission service quality guarantee, as shown in figure 4, including:

Module is established, for pre-establishing the Virtual User classification including Virtual User, Virtual User group and virtual tenant The Virtual User of model, wherein same type forms Virtual User group, and the set of all Virtual User forms virtual tenant, virtual to use Family group is the subset of virtual tenant.

Mapping block, Virtual User is mapped as that will apply in advance.

Setup module, for setting the attribute of Virtual User according to the attribute of application, the attribute of Virtual User is included preferentially Level vector.

Distribute module, for when the priority vector of Virtual User is provided with authority dynamic update resource, if empty Intend distributing upgrading resource using when there is no available resources for the Virtual User corresponding to user.

In addition, mapping block, is additionally operable to:Virtual User group will be mapped as using group, be set according to the attribute of application group empty Intend the attribute of user's group, the attribute of the Virtual User includes priority vector;The priority matrix of priority vector is:

P=(p0, p1..., pk);

Wherein, p0Whether representative has permission dynamic update resource, works as p0When being arranged to the first value, expression has permission dynamic and risen Level resource;Work as p0When being arranged to second value, no authority dynamic update resource is represented.

Virtual User and the attribute of Virtual User group also include:Quota, remaining sum, resource consumption, upgrading number and upgrading grain Degree.

The device also includes:First judge module, for judging using whether having available resources corresponding to Virtual User, such as Fruit remaining sum is less than the resource consumption of operation application, or quota is less than the resource consumption of operation application, then judges Virtual User The corresponding no available bandwidth resources of application.

The device also includes:Second judge module, for judging whether Virtual User has permission dynamic update resource, if Priority vector is provided with authority dynamic update bandwidth, or, priority vector be provided with authority dynamic update bandwidth and There is residue degree in upgrading number, then judge that Virtual User has permission dynamic update resource.

Distribute module, it is specifically used for:According to upgrading granularity, quota and remaining sum increase distribution upgrading resource, and for After Virtual User distribution upgrading resource, subtract one in the upgrading number.

Setup module, it is additionally operable to pre-set the priority of crucial application and application.

The device also includes:3rd judge module, for judging using whether being crucial application corresponding to Virtual User, such as Fruit is that the second judge module of triggering judges whether Virtual User has permission dynamic update resource.

Distribute module is additionally operable to:According to the priority of the application of request, distribution upgrading resource.

The device also includes:Calling module, applied for calling, or refusal calls application.

The present invention realizes the method that data transmission service quality ensuring equipment is and realizes data transmission service quality guarantee Corresponding, therefore, the present invention realizes that data transmission service quality ensuring equipment concrete implementation details can pass referring to data are realized The method of defeated service quality guarantee, will not be described here.

The Virtual User that the present invention includes Virtual User, Virtual User group and virtual tenant by establishing module foundation is classified Model, it will be applied by mapping block and be mapped as Virtual User, Virtual User is set according to the attribute of application by setup module Attribute, therefore, using the authority of Internet resources translate into Virtual User use Internet resources authority, so as to By user's classification and management of the right assignment system realization to application;Judged whether by increasing in the attribute of Virtual User Have the right the relevant parameter of upgrade bandwidth, so as in the case of no available resources, the virtual use to having the right to upgrade resource Resource is distributed at family, and providing elastic and flexible resource distribution for data transfer supports QoS guarantees.In addition, pass through setup module The priority of crucial application and application is pre-set, upgrading resource priority can be applied for crucial, so as to be further pass The data transfer of key application provides QoS guarantees.

It should be appreciated that a series of feasibility embodiment described in detail only for the present invention of those listed above Illustrate, they are not intended to limit protection scope of the present invention, it is all made without departing from skill spirit of the present invention it is equivalent Embodiment or change should be included in the scope of the protection.

Claims (10)

  1. A kind of 1. method for realizing data transmission service quality guarantee, it is characterised in that including:
    Pre-establish the Virtual User hierarchy model including Virtual User, Virtual User group and virtual tenant, wherein same type Virtual User forms Virtual User group, and the set of all Virtual User forms virtual tenant, and Virtual User group is virtual tenant Subset;
    It will apply in advance and be mapped as Virtual User, the attribute of Virtual User is set according to the attribute of application, the Virtual User Attribute includes priority vector;
    When the priority vector of Virtual User is provided with authority dynamic update resource, if should corresponding to the Virtual User During with there is no available resources, for Virtual User distribution upgrading resource.
  2. 2. according to the method for claim 1, it is characterised in that methods described also includes:The application of same type forms application Group, Virtual User group will be mapped as using group, the attribute of Virtual User group, the Virtual User are set according to the attribute of application group Attribute include priority vector;
    The priority matrix of the priority vector is:
    P=(p0, p1..., pk);
    Wherein, p0Whether representative has permission dynamic update resource, works as p0When being arranged to the first value, expression has permission dynamic update money Source;Work as p0When being arranged to second value, no authority dynamic update resource is represented;
    p1Represent the first network quality index, pkK kind network quality indexes are represented, K is the positive integer more than or equal to 1.
  3. 3. according to the method for claim 2, it is characterised in that the attribute of Virtual User and the Virtual User group also wraps Include:Quota, remaining sum and resource consumption;
    Include corresponding to the Virtual User using no available resources:If the resource that the remaining sum is less than operation application disappears Consumption, or the quota are less than the resource consumption of operation application, then no available bandwidth resources are applied corresponding to Virtual User.
  4. 4. according to the method for claim 3, it is characterised in that the attribute of Virtual User and the Virtual User group also wraps Include:Upgrade number;
    Before upgrading resource is distributed for the Virtual User, in addition to:Determine that Virtual User has permission dynamic update resource;
    The determination Virtual User, which has permission dynamic update resource, to be included:The priority vector is provided with authority dynamic update Bandwidth, or, the priority vector is provided with having residue degree in authority dynamic update bandwidth and the upgrading number, then Determine that Virtual User has permission dynamic update resource.
  5. 5. according to the method for claim 4, it is characterised in that the attribute of Virtual User and the Virtual User group also wraps Include:Upgrade granularity;
    It is described to include for Virtual User distribution upgrading resource:According to the upgrading granularity, in the quota and remaining sum increase The upgrading resource of distribution;
    After the distribution upgrading resource for the Virtual User, in addition to:Subtract one in the upgrading number.
  6. 6. according to the method for claim 1, it is characterised in that methods described also includes:Pre-set crucial application and/or Pre-set the priority of application;
    After determining application corresponding to the Virtual User and being crucial application, then determine that Virtual User has permission dynamic update resource;
    It is described to include for Virtual User distribution upgrading resource:According to the priority of the application, upgrade bandwidth is distributed.
  7. A kind of 7. device for realizing data transmission service quality guarantee, applied to software defined network (SDN, Software Defined Network) in, it is characterised in that including:
    Module is established, for pre-establishing the Virtual User hierarchy model including Virtual User, Virtual User group and virtual tenant, Wherein the Virtual User of same type forms Virtual User group, and the set of all Virtual User forms virtual tenant, Virtual User group It is the subset of virtual tenant;
    Mapping block, Virtual User is mapped as that will apply in advance;
    Setup module, for setting the attribute of Virtual User according to the attribute of application, the attribute of the Virtual User is included preferentially Level vector;
    Distribute module, for when the priority vector of Virtual User is provided with authority dynamic update resource, if the void Intend distributing upgrading resource using when there is no available resources for the Virtual User corresponding to user.
  8. 8. device according to claim 7, it is characterised in that same type applies group using formation;
    The mapping block, is additionally operable to:Virtual User group will be mapped as using group, Virtual User is set according to the attribute of application group The attribute of group, the attribute of the Virtual User include priority vector;
    The priority matrix of the priority vector is:
    P=(p0, p1..., pk);
    Wherein, p0Whether representative has permission dynamic update resource, works as p0When being arranged to the first value, expression has permission dynamic update money Source;Work as p0When being arranged to second value, no authority dynamic update resource is represented;
    p1Represent the first network quality index, pkK kind network quality indexes are represented, K is the positive integer more than or equal to 1.
  9. 9. device according to claim 8, it is characterised in that the attribute of Virtual User and the Virtual User group also wraps Include:Quota, remaining sum, resource consumption, upgrading number and upgrading granularity;
    Described device also includes:First judge module, for judging apply whether have available resources corresponding to Virtual User, if The remaining sum is less than the resource consumption of operation application, or the quota is less than the resource consumption of operation application, then judges void Intend applying no available bandwidth resources corresponding to user;
    Described device also includes:Second judge module, for judging whether Virtual User has permission dynamic update resource, if institute State priority vector and be provided with authority dynamic update bandwidth, or, the priority vector is provided with authority dynamic update There is residue degree in bandwidth and the upgrading number, then judge that Virtual User has permission dynamic update resource;
    The distribute module, is specifically used for:According to the upgrading granularity, in the quota and the upgrading money of remaining sum increase distribution Source, and after upgrading resource is distributed for the Virtual User, subtract one in the upgrading number.
  10. 10. device according to claim 9, it is characterised in that the setup module, be additionally operable to pre-set crucial application With the priority of application;
    Described device also includes:3rd judge module, for judging whether applied corresponding to the Virtual User is the key Using if it is, triggering second judge module judges whether Virtual User has permission dynamic update resource;
    The distribute module is additionally operable to:According to the priority of the application of request, distribution upgrading resource.
CN201410707566.8A 2014-11-27 2014-11-27 The method and apparatus for realizing data transmission service quality guarantee CN104468758B (en)

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