CN106302321B

CN106302321B - A kind of method and media controller for realizing service

Info

Publication number: CN106302321B
Application number: CN201510254179.8A
Authority: CN
Inventors: 徐峰
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2015-05-18
Filing date: 2015-05-18
Publication date: 2019-11-05
Anticipated expiration: 2035-05-18
Also published as: CN106302321A

Abstract

The method of service is provided the embodiment of the invention discloses a kind of, the efficiency realized for promoting service saves equipment cost.The method comprise the steps that the service request that media controller is sent according to media termination, determines the corresponding target virtual devices unit VDU of destination service, the destination service is the requested service of the service request；The media controller searches the corresponding target LFU of the target VDU according to the mapping relations of preset VDU and logic function unit LFU；The media controller searches the corresponding PDU collection of the target LFU, the PDU that the PDU is concentrated is used to provide the described target LFU, to realize the target medium service according to the mapping relations of preset LFU and physical equipment unit PDU collection.The embodiment of the present invention also provides a kind of media controller, and the efficiency realized for promoting service saves equipment cost.

Description

A kind of method and media controller for realizing service

Technical field

The present invention relates to field of communication technology more particularly to a kind of methods and media controller for realizing service.

Background technique

With network insertion, wireless interconnected, digital media technology development, how to realize that customized media services are The technique direction of one emphasis.

In the prior art, when the customized media services of user, which can only be deployed on a media device, That is the media services can only be realized by a media device, since the realization of the media services requires to provide corresponding function Can support, therefore the media device must have provide the function needed for functional resources.In Fig. 1-a, digital mobile network Alliance (Digital Living Network Alliance, DLNA) standard defines digital media server (Digital Media Server, DMS) service, realize the DMS service request provide demodulation (demod) function, demultiplexing (demux) function, (decoder) function, coding (encoder) function and the lossless support for extracting (remux) function are decoded, when the DMS service department Administration when on a media device, it is desirable that the media device must have demod module, demux module, decoder module, Encoder module and remux module, to provide above-mentioned function.

However, having following defects that (1) has when existing media device when realizing the media services with the prior art When the standby functional resources, which, for providing other media services, is needed to wait at this time by the existing media device The existing media device completes other services to discharge the media device in the functional resources, such as Fig. 1-b for decoder mould Block is needed at this time for providing digital media player (Digital Media Player, DMP) service until the media device After completing DMP service, DMS service could be provided, the efficiency of media services realization is influenced；(2) when existing media are set For when not having the functional resources, need increase that there is the media device of the functional resources, such as the media device 1 in Fig. 1-c It realizes that the DMS services required remux module with lacking in media device 2, needs to increase the matchmaker with the remux module at this time Body equipment 3 leads to the investment for increasing asset of equipments.

Summary of the invention

The embodiment of the invention provides a kind of methods and media controller for realizing service, the effect realized for promoting service Rate saves equipment cost.

First aspect of the embodiment of the present invention provides a kind of method for realizing service, comprising:

The service request that media controller is sent according to media termination determines the corresponding target virtual devices list of destination service First VDU, the destination service are the requested service of the service request；

The media controller searches the target according to the mapping relations of preset VDU and logic function unit LFU The corresponding target LFU of VDU；

The media controller searches the target according to the mapping relations of preset LFU and physical equipment unit PDU collection The corresponding PDU collection of LFU, the PDU that the PDU is concentrated is used to provide the described target LFU, to realize the target medium service.

In conjunction with the embodiment of the present invention in a first aspect, in the first implementation of first aspect of the embodiment of the present invention, When the target LFU includes the first LFU and two LFU, the media controller is according to the mapping of preset LFU and PDU collection Relationship, searching the corresponding PDU collection of the target LFU includes:

The media controller searches the first LFU corresponding first according to the mapping relations of preset LFU and PDU PDU collection and the corresponding 2nd PDU collection of the 2nd LFU；

It combines the first PDU collection and the 2nd PDU collection according to presetting rule, is provided the target LFU's PDU collection.

In conjunction with the first aspect of the embodiment of the present invention or the first implementation of first aspect, in the embodiment of the present invention In second of implementation of one side, in the media controller reflecting according to preset LFU and physical equipment unit PDU collection Relationship is penetrated, after searching the corresponding PDU collection of the target LFU, further includes:

Obtain the load value that the PDU concentrates each PDU；

The load value that each PDU is concentrated according to the PDU is concentrated from the PDU and chooses the smallest first PDU of load value, institute It states the first PDU and is used to provide the described target LFU, to realize the destination service.

In conjunction with the second of the first aspect of the embodiment of the present invention or the first implementation of first aspect or first aspect Kind implementation chooses load value concentrating from the PDU in the third implementation of first aspect of the embodiment of the present invention After the smallest first PDU, further includes:

The first information that the first PDU is sent is obtained, the first information is used to indicate the first PDU and currently runs State；

When determining that the first PDU is operating abnormally according to the first information, is concentrated from the PDU and chooses the 2nd PDU, 2nd PDU is that the PDU is concentrated in addition to the first PDU, and load value the smallest PDU, the 2nd PDU are for providing The target LFU, to realize the destination service.

In conjunction with the second of the first aspect of the embodiment of the present invention or the first implementation of first aspect or first aspect The third implementation of kind implementation or first aspect, in the 4th kind of implementation of first aspect of the embodiment of the present invention In, in the media controller according to the mapping relations of preset LFU and PDU collection, determine that the offer target LFU is corresponding Before PDU collection, further includes:

Create the mapping relations of LFU and PDU collection.

In conjunction with the four or three kind of implementation of first aspect of the embodiment of the present invention, the of first aspect of the embodiment of the present invention In five kinds of implementations, the mapping relations of the creation LFU and PDU collection include:

The second information that the PDU concentrates each PDU to send is received, it is corresponding that second information is used to indicate each PDU LFU,

When the corresponding LFU of each PDU is identical, the mapping relations between the LFU and the PDU collection are created.

Second aspect of the embodiment of the present invention provides a kind of media controller, comprising:

Determination unit, the service request for being sent according to media termination determine destination virtual corresponding with destination service Unit VDU, the destination service are the requested service of the service request；

First searching unit searches the mesh for the mapping relations according to preset VDU and logic function unit LFU Mark the corresponding target LFU of VDU；

Second searching unit, for the mapping relations according to preset LFU and physical equipment unit PDU collection, described in lookup The corresponding PDU collection of target LFU, the PDU that the PDU is concentrated are used to provide the described target LFU, to realize the target medium clothes Business.

In conjunction with the second aspect of the embodiment of the present invention, in the first implementation of second aspect of the embodiment of the present invention, When the target LFU includes the first LFU and two LFU, second searching unit is specifically used for:

The media controller searches the first LFU corresponding the according to the mapping relations of preset LFU and PDU collection One PDU collection and the corresponding 2nd PDU collection of the 2nd LFU；

In conjunction with the second aspect of the embodiment of the present invention or the first implementation of second aspect, in the embodiment of the present invention In second of implementation of two aspects, the media controller further includes first acquisition unit and the first selection unit；

The first acquisition unit concentrates the load value of each PDU for obtaining the PDU；

First selection unit is concentrated to choose from the PDU and be born for concentrating the load value of each PDU according to the PDU Charge values the smallest first PDU, the first PDU are used to provide the described target LFU, to realize the destination service.

In conjunction with the second of the second aspect of the embodiment of the present invention or the first implementation of second aspect or second aspect Kind implementation, in the third implementation of second aspect of the embodiment of the present invention, the media controller further includes second Acquiring unit and the second selection unit；

The second acquisition unit, for obtaining after concentrating selection the smallest first PDU of load value from the PDU The first information that first PDU is sent, the first information are used to indicate the currently running state of the first PDU；

Second selection unit, for when according to the first information determine the first PDU be operating abnormally when, from institute Stating PDU and concentrating the 2nd PDU of selection, the 2nd PDU is that the PDU is concentrated in addition to the first PDU, and load value is the smallest PDU, the 2nd PDU are used to provide the described target LFU, to realize the destination service.

In conjunction with the second of the second aspect of the embodiment of the present invention or the first implementation of second aspect or second aspect The third implementation of kind implementation or second aspect, in the 4th kind of implementation of second aspect of the embodiment of the present invention In, the media controller further includes creating unit；

The creating unit, for searching and providing the target LFU in the mapping relations according to preset LFU and PDU collection PDU collection before, create the mapping relations of the LFU Yu PDU collection.

In conjunction with the 4th kind of implementation of second aspect of the embodiment of the present invention, the 5th of second aspect of the embodiment of the present invention the In kind implementation, the creating unit is specifically used for:

The second information that the PDU concentrates each PDU to send is received, second information is used to indicate each PDU Corresponding LFU,

When the corresponding LFU of each PDU is identical, the mapping relations between the LFU and each PDU are created.

It applies the technical scheme of the present invention and has the following beneficial effects:

The functional resources of media device are abstracted (virtualization) and obtain logic function unit LFU, different LFU is subjected to group Conjunction obtains virtual unit unit VDU, and when media termination sends customization service request to media controller, the media controller is first It first determines target VDU corresponding to destination service, can determine that target VDU is corresponding according to the mapping relations of VDU and LFU Target LFU, and according to the mapping relations of LFU and PDU, it determines and the PDU collection of target LFU is provided, the PDU which concentrates is available In processing media data, so that the target medium service is provided, since target LFU can be provided by different PDU, as the PDU When the target LFU that some PDU concentrated is provided is accounted for by other services, target LFU can be provided by other PDU, without etc. Ability performance objective service after being completed to other services, therefore the efficiency of destination service realization is improved, and concentrated as PDU It when one PDU can not provide target LFU, can be provided jointly by multiple PDU, without increasing new equipment, save asset of equipments Investment.

Detailed description of the invention

Fig. 1-a is that the DMS defined based on DLNA standard services schematic diagram；

Fig. 1-b provides the schematic diagram of service for media device；

Fig. 1-c provides the MDS schematic diagram of service for media device；

Fig. 2 is the mapping relations schematic diagram in the embodiment of the present invention between PDU, LFU, VDU；

Fig. 3 is a kind of flow diagram for realizing method of servicing in the embodiment of the present invention；

Fig. 4 is another flow diagram for realizing method of servicing in the embodiment of the present invention；

Fig. 5-a is the schematic diagram that media router is mapped to LFU in the embodiment of the present invention；

Fig. 5-b is the schematic diagram that media router realizes roller blind service in the embodiment of the present invention；

Fig. 5-c is another schematic diagram that media router realizes roller blind service in the embodiment of the present invention；

Fig. 6 is a kind of structural schematic diagram of media controller in the embodiment of the present invention；

Fig. 7 is the structural schematic diagram of another media controller in the embodiment of the present invention；

Fig. 8 is a kind of entity apparatus schematic diagram of media controller in the embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts Example, shall fall within the protection scope of the present invention.

Description and claims of this specification and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing Similar object, without being used to describe a particular order or precedence order.It should be understood that the data used in this way are in appropriate feelings It can be interchanged under condition, so that the embodiments described herein can be real with the sequence other than the content for illustrating or describing herein It applies.In addition, term " includes " and " having " and their any deformation, it is intended that cover it is non-exclusive include, for example, packet The process, method, system, product or equipment for having contained series of steps or module those of be not necessarily limited to be clearly listed step or Module, but may include other steps being not clearly listed or intrinsic for these process, methods, product or equipment or Module, the division of module appeared in this paper, only a kind of division in logic can have another when realizing in practical application Outer division mode, such as multiple modules can be combined into or are integrated in another system, or some features can be ignored, or It does not execute, in addition, shown or discussion mutual coupling, direct-coupling or communication connection can be by some Interface, the indirect coupling or communication connection between module can be electrical or other similar form, be not construed as limiting herein. Also, module or submodule can be the separation that may not be physically as illustrated by the separation member, and can be can also be with Physical module, or can divide less than in multiple circuit modules, can select according to the actual needs part therein or Whole modules realize the purpose of the embodiment of the present invention.

The method and media controller of a kind of offer service provided in an embodiment of the present invention, are mainly used in family's interconnection skill Art field virtualizes (Network Function Virtualization, NVF) technology and software by using for reference network function Network (Software Defined Network, the SDN) technology of definition, by media services be abstracted (virtualization) for a logic or Pseudo-entity (Virtual Device Unit, VDU), by multiple media devices (Physical Device Unit, PDU) Generic function is abstracted, to define logic function unit (Logic Function Unit, LFU) collection, that is, is formed Mapping between PDU and LFU, then the VDU is mapped to a series of LFU, that is, the mapping between VDU and LFU is formed, media control is made Device processed can use the mapping between the VDU and LFU and the mapping between PDU and LFU when receiving service request, existing Have in functional resources possessed by equipment, realize to functional resources needed for service requested in service request be scheduled from And reach the efficiency that the service of raising provides, and save equipment cost.

Wherein, SDN technology mainly abstracts network function and business processing, and controls this by external controller The object abstracted a bit separates the control of network service and forwarding, is divided into control plane and Forwarding plane, and control One standard interface is provided between plane and Forwarding plane；NFV technology is mainly to pass through the decoupling of logic function and physical hardware, The virtualization of all network element devices in entire communication network, by the various network element normalizings in network at the service of the high capacity of standard Device, memory and data switching exchane.

Wherein, it when being virtualized to media device PDU, needs through the description of LFU template and the description of VDU template To the mapping of LFU to PDU, the mapping of VDU to LFU, the description of the LFU template and VDU template can use for reference manufacturing recourses void for completion Quasi-ization model (Virtualization Model of Manufacturing Resource, VMMR).Carrying out template description When, it is specifically referred to Target-oriented thought, the object of one group of same nature is abstracted, is needed in template comprising at least such as Under hexa-atomic group:

Global identifier refers to the globally unique identifier (URI) of template, can be searched by URI and access such Pattern plate.

Resource essential information refers to the essential information (BasicInfo) of template, can intuitively illustrate type described by the template Title and effect etc. information.

Attribute set refers to the attribute set of template, and Property Name (AttrName), attribute are specifically included in the attribute set Data type (DataType), the constraint set (ConstraintSet) of the initial value (InitValue) of attribute, attribute.

Operational set refers to a certain resource type after serviceization encapsulation, be used for directly use, job scheduling, The standard interface description collections of information transmitting, the standard interface description collections specifically include the title of service interface (Name), the exception information (FaultMessage) of interface input (Input), interface output (Output) and interface.

State set refers to the set of the there may be state of resource, comprising resource in ranks such as use, free time, maintenances The set of the various different conditions of section, the conversion of state are completed by interface.

Set of relationship, for indicating that the inheritance between template, lower template not only inherit all categories of upper former Property, operation, state and relationship, and it is extended, is described by the inheritance of template, can either guarantee same class Uniformity in type resource description mode, while the resource of some specific properties can also be enable effectively to describe, it plays a role.

After template is described in the manner described above, since same type of device resource uses same mould Plate can achieve the purpose to the description of virtual resource classifying type, and then reach accurately retouching for specific VDU and LFU resource virtualizing It states, good management and the purpose effectively sorted out, effect identical device resource similar to this kind of function can pass through custom mold The querying condition of plate is accurately inquired, and in device resource in use, the device resource for same template type uses The same interface, resource normalization, makes it possible intelligent scheduling.

Wherein, such as Fig. 2 PDU with the mapping relations between LFU there are two types of type: 1:1 mapping, 1:n mapping, LFU with VDU it Between mapping relations there are three types of type: 1:1 mapping, 1:n mapping, n:1 mapping, wherein VDU is by from identical or different PDU's LFU is constituted, and is the new logic function generated by LFU reconstruct, and exist independently of PDU, that is to say, that by mapping algorithm, The function modeling that PDU is provided becomes mutually independent logic function unit LFU, by the recombination of LFU, forms VDU.

Referring to Fig. 3, in the embodiment of the present invention it is a kind of provide method of servicing one embodiment include:

101, the service request that media controller is sent according to media termination determines that the corresponding destination virtual of destination service is set Standby unit VDU.

It is understood that media termination can determine the service of request according to business demand, sent to media controller Service request comprising the destination service, when receive media termination transmission service request when, the media controller according to Destination service in service request determines target VDU corresponding with the service.

102, it is corresponding to search the target VDU according to the mapping relations of preset VDU and LFU for the media controller Target LFU.

It is understood that in media controller predefine have VDU template, wherein defined in VDU template VDU with The mapping relations of LFU, the VDU template can be in advance by Manual definition, described definition, it can be understood as provide one group of ginseng Number；For example, described defines VDU template, it can be understood as, give the parameter of VDU template；It is described define VDU with The mapping relations of LFU, it can be understood as, give the parameter of the mapping relations of VDU and LFU.

From the foregoing, it will be observed that can be determined according to the mapping relations of VDU and LFU after determining the target VDU of destination service Target LFU corresponding with target VDU.

103, the media controller searches according to the mapping relations of preset LFU and PDU collection and provides the target LFU PDU collection.

It is understood that also predefined in media controller have LFU template, wherein define LFU in LFU template With the mapping relations of PDU collection, described defines LFU template, it can be understood as, give the parameter of LFU template；Described determines The justice mapping relations of LFU and PDU collection, it can be understood as, give the parameter of LFU with the mapping relations of PDU collection.

From the foregoing, it will be observed that when determine provide service target LFU after, can according to the mapping relations of the LFU and PDU collection, Determine PDU collection corresponding with target LFU, wherein the PDU collection can be a type of PDU collection, or a plurality of types of PDU collection.

It is understood that media controller can use the PDU after determining the PDU collection for providing the target LFU Function provided by any PDU concentrated, handles the destination service and corresponds to business datum, so that it is guaranteed that can be realized target clothes Business.

In the embodiment of the present invention, media controller uses for reference NVF technology and media services are abstracted as one in advance by SDN technology Logic or pseudo-entity VDU, and the generic function of multiple media devices (PDU) is abstracted, to define logic function Energy unit (LFU) collects, then the VDU is mapped to the LFU collection, services corresponding target VDU when determining, utilizes reflecting for VDU and LFU Relationship is penetrated, determines target LFU, recycles the mapping relations of LFU and PDU collection, determines and the PDU collection of the target LFU is provided, then It is concentrated from PDU and chooses target PDU, since target LFU can be provided by different PDU, when some PDU that the PDU is concentrated is mentioned When the target LFU supplied is accounted for by other services, target LFU can be provided by other PDU, without waiting for other service completions After could performance objective service, therefore improve destination service offer efficiency, and when PDU concentrate a PDU can not provide It when target LFU, can be provided jointly by multiple PDU, without increasing new equipment, save the investment of asset of equipments.

In the embodiment of the present invention, VDU resource is as a kind of logical services, by mapping relations, with LFU resource associations one It rises, physical resource PDU shows a series of functions, this association is loose coupling form, to release PDU physics money by being abstracted Close coupling relationship between source and VDU service, i.e. source service ability are not directly associated with specific physical resource, resource impact By Intermediate Control Layer according to mapping ruler, the mapping relations between service and physical resource are established, improve physics money to reach The purpose of source utilization rate.

By the adaptation of control layer middleware, the LFU function that specific PDU physical resource is encapsulated as each class standard is provided Source is established with VDU Service Source and is mapped, and registers and is issued as VDU service.

In order to realize that classification of service type describes, VDU resource template is defined, determines its attribute set and standard interface, is somebody's turn to do VDU resource template is not only that the virtualization encapsulation of specific service in control layer provides template and reference, and passes through standardization clothes Business interface is that the building of upper layer application provides standard criterion using such service etc. is managed.

In order to shield the isomerism of physical resource PDU, PDU is carried out standard according to LFU interface specification by the embodiment of the present invention Change encapsulation, externally supported LFU function set is issued in registration, completes the mapping relations of PDU and LFU.

Referring to Fig. 4, being based on embodiment method shown in Fig. 3, another in the embodiment of the present invention provides the side of service Method includes:

201, the service request that media controller is sent according to media termination determines the corresponding target VDU of destination service.

202, it is corresponding to search the target VDU according to the mapping relations of preset VDU and LFU for the media controller Target LFU.

203, the media controller searches according to the mapping relations of preset LFU and PDU collection and provides the target LFU PDU collection.

In some embodiments of the invention, when the destination service needs multiple LFU, i.e., the described target LFU includes multiple LFU, such as target LFU may include the first LFU and the 2nd LFU, and the PDU integrates as PDU combination of sets, and the PDU is concentrated every One PDU is a PDU combination.

Optionally, the step 202 in the present embodiment can specifically include:

It is corresponding to search the target VDU according to the mapping relations of preset VDU and LFU for 202a, the media controller First LFU and the 2nd LFU.

It is understood that in media controller predefine have VDU template, defined in the VDU template VDU with The mapping relations of LFU, the mapping relations for defining VDU and LFU, it can be understood as, give the mapping of VDU and LFU The description of relationship can find out corresponding first LFU and the 2nd LFU of target VDU according to the mapping relations；For example, working as target When VDU is VDU1, the corresponding target LFU of the VDU1 is LFU1 and LFU2.

The mapping relations parameter of specific VDU and LFU, such as the following table 1:

VDU1	LFU1、LFU2
		VDU2	LFU3、LFU4

In some embodiments of the invention, the same LFU can be provided by the PDU of multiple same types, therefore, one LFU can correspond to a PDU collection.

Optionally, when step 202 is executed according to 202a, the step 203 in the present embodiment be can specifically include:

203a, the media controller search according to the mapping relations of preset LFU and PDU and provide the first LFU's First PDU collection, the 2nd PDU collection of the 2nd LFU.

It is understood that when determine provide service target LFU after, can according to the mapping relations of LFU and PDU, Determine corresponding with the first LFU the first PDU collection, the corresponding 2nd PDU collection of the 2nd LFU, such as when determining target LFU in table 1 LFU1, LFU2 when, according to the mapping relations in table 2 can determine provide the LFU1 PDU concentrate include PDU1, PDU2, mention It concentrates for the PDU of LFU2 including PDU3, PDU4.

The mapping relations of LFU and PDU such as the following table 2:

LFU1	PDU1 or PDU2
		LFU2	PDU3 or PDU4

203b, it combines the first PDU collection and the 2nd PDU collection according to presetting rule.

It should be noted that the rule that be combined between different types of PDU can preset in media controller Then, for example the rule is that PDU1 can only be applied in combination with other PDU on same veneer, false such as the multiple PDU provided in table 2 If PDU1 and PDU3, PDU2 and PDU4 are respectively from two different veneers, then according to first PDU set of rule and second After PDU collection is combined, obtained PDU integrates as PDU1 and PDU3, PDU2 and PDU3, PDU2 and PDU4.

In some embodiments of the invention, when the VDU only corresponds to a LFU, i.e., the described target LFU is one LFU, a LFU can be provided by any one in multiple PDU with the same function.

Optionally, the step 203 in the present embodiment can specifically include:

203b, the media controller search according to the mapping relations of preset LFU and PDU collection and provide the target LFU PDU collection.

It is understood that after determining the target LFU that target VDU is provided, it can be according to the mapping of LFU and PDU collection Relationship determines the corresponding PDU collection of the target LFU, such as when determining target LFU is the LFU1 in table 1, according in table 2 It includes PDU1, PDU2, PDU3 and PDU4 that mapping relations, which can determine that the PDU for providing the LFU1 is concentrated,.

Optionally, when step 203 is specifically executed according to 203b, step 204 be can specifically include in the present embodiment:

204c, the load status information that PDU concentrates each PDU to send is obtained, it is current that the load condition is used to indicate each PDU Load value.

Wherein, the load of each PDU is obtained in the load status information that media controller can concentrate each PDU to send from PDU Value.

Such as the following table 5, indicate that PDU concentrates the load value size of each PDU

Physical equipment unit	Load value
		PDU1	53
PDU2	89
		PDU3	77
PDU4	41

204d, the load value that each PDU is concentrated according to the PDU are concentrated from the PDU and are chosen the smallest PDU work of load value For the first PDU.

Such as table 5 it is found that choosing the smallest PDU4 of PDU concentrated load value as the first PDU.

It should be noted that the media controller obtains the load value mode that PDU concentrates each PDU, it can be by the matchmaker Body controller to each PDU send instruct, make PDU return include load value information, be also possible to periodically will include by PDU The information active reporting of load value is to media controller.

In some embodiments of the invention, after step 203, can also include step 204 and step 205:

204, the load status information that PDU concentrates each PDU to send is obtained, it is current that the load condition is used to indicate each PDU Load value.

Such as the following table 4, indicate that the first PDU collection and the 2nd PDU concentrate the load value size of each PDU

PDU combination of sets	Load value
		PDU1 and PDU4	53
PDU2 and PDU3	89
		PDU2 and PDU3	68

205, the load value that each PDU is concentrated according to the PDU is concentrated from the PDU and chooses the smallest PDU conduct of load value First PDU.

Such as table 4 it is found that the load value of PDU1 and PDU4 combination is minimum, therefore choose the smallest PDU1 of PDU concentrated load value It, can be to avoid because the excessive destination service for causing to realize of PDU combination load be unstable with PDU4 as the first PDU.

It should be noted that the media controller obtains the load value mode that PDU concentrates each PDU, it can be by the matchmaker Body controller to each PDU send instruct, make PDU return include load value information, be also possible to periodically will include by PDU The information active reporting of load value is to media controller.Wherein, the load status information may include the interior pressure for being stored to bus, CPU load etc..

In some embodiments of the invention, after step 205, can also include step 206 and step 207:

206, the first information that the first PDU is sent is obtained, it is current that the first information is used to indicate the first PDU The state of operation.

Wherein, the operating status of itself periodically or aperiodically can be fed back to media controller by the first PDU, tool Body can send the first information to media controller, which is used to indicate the current operating status of first object PDU, the fortune Row state includes normal and two kinds abnormal.

It should be noted that the PDU can be the active transmission first information, it is also possible to receiving media controller When the instruction issued, the first information is passively sent, this is not limited here.

207, it when determining that the first PDU is operating abnormally according to the first information, is concentrated from the PDU and chooses second PDU, the 2nd PDU are that the PDU is concentrated in addition to the first PDU, and load value the smallest PDU, the 2nd PDU are used for The target LFU is provided.

It is understood that when the first PDU first information sent indicates that the current working condition of the first PDU is abnormal When, which concentrates from PDU and chooses in addition to the first PDU, and the smallest PDU of load value is as the 2nd PDU, this second PDU is used to provide the described target LFU.For example, PDU2 and PDU3 can be chosen as when step 203 is executed according to 203a Two PDU can choose PDU1 as the 2nd PDU when step 203 is executed according to 203b.

It should be noted that, when determining that the first PDU is abnormal, media controller chooses load value in the present embodiment The smallest PDU can be played target PDU run-time error had not only been avoided to lead to not offer service in this way as the 2nd PDU, but also can be with It avoids because PDU load value is too big, and causes to service unstable problem.In practical applications, PDU can also be chosen and concentrates it His PDU is as the 2nd PDU, and this is not limited here.

Optionally, before the step 202 of the embodiment of the present invention, which can also obtain third information, institute State the mapping relations that third information carries VDU and LFU.For example, copying or downloading from external storage includes the VDU and LFU Mapping relations data information, i.e., installation VDU service.

Optionally, before the step 203 of the embodiment of the present invention, which can also be performed following steps:

The second information that PDU is sent is received, second information is used to indicate the LFU that the PDU concentrates each PDU to provide, When the LFU that each PDU is provided is identical, according to LFU template, the mapping relations between LFU and PDU collection are created.

In order to make it easy to understand, the method for realizing service to one of embodiment of the present invention below with reference to concrete application scene It is described in detail, please refers to Fig. 5-a to Fig. 5-c, be illustrated by media router of PDU, media router (Media Router, MR) a total of 4 (i.e. MR1, MR2, MR3, MR4).Service is provided using media router in the embodiment of the present invention Process includes:

301, the available functional resources of media router MR1, MR2, MR3, MR4 are packaged into LFU by media controller.

It is understood that media controller can seal the available function resource of media router MR1, MR2, MR3, MR4 LFU is dressed up, i.e. LFU template in the media controller, the functional resources of MR are mapped to LFU, such as Fig. 5-a, function in MR1 is provided Source is packaged into access (access) function, demultiplexing (demux) function, lossless extraction (remux) function, coding (encoder) Functional resources in MR2 are packaged into audio decoder (audio decoder) function, graphic decoder (jpg decoder) function by function It can, demultiplex (dumux) function, audio coding (audio encoder) function, functional resources in MR3 are packaged into audio solution Code (audio decoder) function, audio coding (audio encoder) function, lossless extraction (remux), decoding (decoder) functional resources in MR4 are packaged into access (access) function, audio coding (audio encoder) function by function The LFU resources such as energy, lossless extraction (remux), decoding (decoder) function.

302, the roller blind service request that media controller is sent according to media termination, target needed for determining roller blind service LFU resource.

In the present embodiment, target LFU money needed for media controller can determine roller blind service according to service arrangement strategy Source is access, demux, audio decoder and audio encoder.

303, media controller is according to the load value of media router, determine provide the target LFU resource be MR1 and MR2。

It is understood that the current loads value of media router where the available LFU of media controller, for example pass through Pressure sensor detects the load value of media router, which can be memory to the pressure of bus or CPU load etc., than The load value of MR1, MR2, MR3 and MR4 for detecting such as media controller are as shown in table 6 below:

Table 6

MR1	43
		MR2	42
MR3	55
		MR4	47

As shown in Table 6, in the MR1 and MR4 where access needed for roller blind service, the load value of MR1 is less than MR4, because This is by similarly choosing the audio of the demux and MR2 of MR1 for the access of MR1 as LFU resource needed for roller blind service Decoder and audio encoder.Such as Fig. 5-b, media controller chooses the audio in MR1 in access and demux, MR2 LFU resource needed for decoder and audio encoder provides roller blind service, and using MR1 and MR2 to the roller blind service After business datum is handled, to data needed for media termination output service, to realize customized roller blind service.

304, it when determining that MR1 is operating abnormally, chooses the access in demux and MR4 in MR2 and roller blind clothes is provided Business.

It is understood that the media controller can by periodically sample or proactive notification mechanism to roller blind take The operating status of the associated media router of business is monitored analysis to determine or predict whether that run-time exception occurs.It is as follows Table 7 is the operating status of each media router:

Table 7

MR1	It is abnormal
		MR2	Normally
MR3	Normally
		MR4	Normally

Such as Fig. 5-c, media controller will be chosen in demux and MR4 in MR2 when determining that MR1 is abnormal Access replaces demux and access in MR1, to continue to realize the roller blind service.

The method for providing service to one of embodiment of the present invention above is described, below to the embodiment of the present invention One of media controller be described, referring to Fig. 6, an a kind of reality of media controller 600 in the embodiment of the present invention Applying example includes:

Determination unit 601, the service request for being sent according to media termination determine that target corresponding with destination service is empty Quasi- unit VDU, the destination service are the requested service of the service request；

It is corresponding to search the target VDU for the mapping relations according to preset VDU and LFU for first searching unit 602 Target LFU；

Second searching unit 603 searches for the mapping relations according to preset LFU and PDU collection and provides the target The PDU that PDU described in the PDU collection of LFU is concentrated is used to provide the described target LFU, to realize the target medium service.

Referring to Fig. 7, another media controller 700 includes: in the embodiment of the present invention

Determination unit 701, the service request for being sent according to media termination determine that target corresponding with destination service is empty Quasi- unit VDU, the destination service are the requested service of the service request.

Optionally, the media controller 700 further includes creating unit 702, and the creating unit 702 is described for creating The mapping relations of LFU and PDU collection.

Wherein, the creating unit 702 is specifically used for receiving the second information that the PDU concentrates each PDU to send, described Second information is used to indicate the corresponding LFU of each PDU, when the LFU is identical, creates the LFU and each PDU Between mapping relations.

It is corresponding to search the target VDU for the mapping relations according to preset VDU and LFU for first searching unit 703 Target LFU.

Second searching unit 704 searches for the mapping relations according to preset LFU and PDU collection and provides the target The PDU that PDU described in the PDU collection of LFU is concentrated is used to provide the described target LFU, to realize the target medium service.

Wherein, when the target LFU includes the first LFU and two LFU, second searching unit can specifically lead to Second searching unit is crossed according to the mapping relations of preset LFU and PDU collection, searches and the first PDU of the first LFU is provided Collection, the 2nd PDU collection of the 2nd LFU combine the first PDU collection and the 2nd PDU collection according to presetting rule, obtain The PDU collection of the target LFU is provided.

Optionally, the media controller 700 further includes first acquisition unit 705 and the first selection unit 706.

Wherein, the first acquisition unit 705, the load value of each PDU is concentrated for obtaining the PDU；First choosing Unit 706 is taken, for concentrating the load value of each PDU according to the PDU, concentrates selection load value the smallest by first from the PDU PDU, the first PDU are used to provide the described target LFU, to realize the destination service.

Optionally, the media controller 700 further includes second acquisition unit 707 and the second selection unit 708.

Wherein, the second acquisition unit 707, for from the PDU concentrate choose the smallest first PDU of load value it Afterwards, the first information that the first PDU is sent is obtained, the first information is used to indicate the currently running shape of the first PDU State；Second selection unit 708, for when according to the first information determine the first PDU be operating abnormally when, from the PDU It concentrates and chooses the 2nd PDU, the 2nd PDU is that the PDU is concentrated in addition to the first PDU, the smallest PDU of load value, institute It states the 2nd PDU and is used to provide the described target LFU, to realize the destination service.

It is appreciated that the function of each functional unit of the media controller of the embodiment of the present invention can be according to above method reality The method specific implementation in example is applied, specific implementation process can refer to the associated description in above method embodiment, herein no longer It repeats.

Therefore in some feasible embodiments of the invention, media services are abstracted as a logic or void Quasi- entity VDU, the generic function of multiple media devices (PDU) is abstracted, to define logic function unit (LFU) Collection, then the VDU is mapped to a series of LFU, corresponding target VDU is serviced when determining to provide, is closed using the mapping of VDU and LFU System, determines target LFU, recycles the mapping relations of LFU and PDU collection, determines the PDU collection of the offer target LFU, achieve as It is lower the utility model has the advantages that

The media device with the destination service required function resource can be found out by the destination service of request, when one When all functional resources needed for a media device does not have the destination service, the combination that can use multiple equipment provides the mesh All functional resources needed for mark service save equipment cost without increasing new equipment；When realized in some equipment the target take When functional resources needed for business are occupied, the functional resources that other equipment can be used realize the destination service, lifting implementation clothes The efficiency of business.

The embodiment of the present invention also provides a kind of computer storage medium, which can be stored with program, should Program includes some or all of the offer method of servicing recorded in above method embodiment step when executing.

Referring to Fig. 8, the embodiment of the present invention also provides a kind of media controller 800.

The media controller 800 can be deployed to micro process computer.Such as: the media controller 800 can be general One of portable equipments such as computer, customization machine, media router, set-top box.Media controller 800 may include processing Device 8001, memory 8002, communication interface 8003 and bus 8004；The processor 8001, memory 8002 and communication interface 8003 connect by bus 8004 and complete mutual communication.The memory 8002 is for storing program code；When described When computer equipment 800 is run, the processor 8001 executes the said program code that the memory 8002 stores, so that institute State the method that computer equipment 800 executes the offer service recorded in embodiment of the method above.

Specifically,

The bus 8004 can be industry standard architecture (Industry Standard Architecture, letter Referred to as ISA) bus or external equipment interconnection (Peripheral Component, referred to as PCI) bus or extension industrial standard Architecture (Extended Industry Standard Architecture, referred to as EISA) bus etc..The bus can To be divided into one of address bus, data/address bus, control bus or a variety of.For convenient for indicating, only with a thick line table in Fig. 8 Show, it is not intended that an only bus or a type of bus.

For memory 8002 for storing executable program code, which includes computer operation instruction.Work as calculating When machine equipment 800 executes the program code, computer equipment 800 can complete step 101~104 of Fig. 3 embodiment, can also be with Realize step 201~207 of Fig. 4 embodiment.Memory 8002 may include high-speed RAM (Ramdom Access Memory) and deposit Reservoir.Optionally, memory 8002 can also further include nonvolatile memory (non-volatile memory).Such as it deposits Reservoir 8002 may include magnetic disk storage.

Processor 8001 can be a central processing unit (Central Processing Unit, referred to as CPU), or Person be processor 8001 can with specific integrated circuit (Application Specific Integrated Circuit, referred to as ASIC) or processor 8001 can be arranged to implement one or more integrated circuits of the embodiment of the present invention.

The processor 8001, for reading the instruction stored in memory 8002, thereby executing following steps:

According to the service request that media termination is sent, the target VDU for the service that is used to provide the described is determined；According to preset The mapping relations of VDU and LFU search the corresponding target LFU of the target VDU；It is closed according to the mapping of preset LFU and PDU collection System searches and provides the PDU collection of the target LFU；It is concentrated from the PDU and chooses the first PDU, the first PDU combination is for mentioning For the target LFU.

Optionally, when the target LFU includes the first LFU and two LFU, the processor 8001 is also used to according to pre- The mapping relations for the LFU and PDU collection set search and provide the first PDU collection of the first LFU, the 2nd PDU of the 2nd LFU Collection, and combine the first PDU collection and the 2nd PDU collection according to presetting rule, it is provided the described of the target LFU PDU collection.

Optionally, the processor 8001 is also used to obtain the load value that the PDU concentrates each PDU, and according to the PDU The load value for concentrating each PDU is concentrated from the PDU and chooses the load value the smallest first PDU offer target LFU, to realize The destination service

Optionally, the processor 8001 is also used to concentrate when determining that the first PDU is operating abnormally from the PDU Choosing the 2nd PDU, the 2nd PDU is that the PDU is concentrated in addition to the first PDU, load value the smallest PDU, described the Two target PDU are used to provide the described target LFU.

Optionally, the processor 8001 is also used to the second information sent by receiving PDU, and second information is used for The LFU for indicating that the PDU concentrates each PDU to provide creates reflecting between the LFU and the PDU collection when the LFU is identical Penetrate relationship.

In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment Part, may refer to the associated description of other embodiments.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey The medium of sequence code.

The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims

1. a kind of method for realizing service characterized by comprising

The service request that media controller is sent according to media termination determines the corresponding target virtual devices unit of destination service VDU, the destination service are the requested service of the service request；

The media controller searches VDU pairs of the target according to the mapping relations of preset VDU and logic function unit LFU The target LFU, the target LFU answered includes the first LFU and the 2nd LFU；

The media controller searches the first LFU according to the mapping relations of preset LFU and physical equipment unit PDU collection Corresponding first PDU collection and the corresponding 2nd PDU collection of the 2nd LFU, the PDU that the first PDU is concentrated are used to provide the described First LFU, the PDU that the 2nd PDU is concentrated are used to provide the described the 2nd LFU.

2. the method according to claim 1, wherein the method also includes:

It combines the first PDU collection and the 2nd PDU collection according to presetting rule, is provided the PDU of the target LFU Collection, the PDU collection of the target LFU are used to provide the described target LFU.

3. according to the method described in claim 2, it is characterized in that, by the first PDU collection and the 2nd PDU collection according to Presetting rule combination, is provided after the PDU collection of the target LFU, further includes:

The PDU for obtaining the target LFU concentrates the load value of each PDU；

The load value that each PDU is concentrated according to the PDU of the target LFU is concentrated from the PDU of the target LFU and chooses load value most The first small PDU, the first PDU are used to provide the described target LFU, to realize the destination service.

4. according to the method described in claim 3, it is characterized in that, choosing load value most concentrating from the PDU of the target LFU After the first small PDU, further includes:

The first information that the first PDU is sent is obtained, the first information is used to indicate the currently running shape of the first PDU State；

When determining that the first PDU is operating abnormally according to the first information, is concentrated from the PDU of the target LFU and choose the The PDU that two PDU, the 2nd PDU are the target LFU is concentrated in addition to the first PDU, and load value the smallest PDU is described 2nd PDU is used to provide the described target LFU, to realize the destination service.

5. method according to claim 1 to 4, which is characterized in that in the media controller according to preset LFU and physical equipment unit PDU collection mapping relations, search the corresponding first PDU collection of the first LFU and described second Before the corresponding 2nd PDU collection of LFU, further includes:

Create the mapping relations of LFU and PDU collection.

6. according to the method described in claim 5, it is characterized in that, the mapping relations packet of the creation LFU and PDU collection It includes:

7. a kind of media controller characterized by comprising

Determination unit, the service request for being sent according to media termination determine target virtual devices corresponding with destination service Unit VDU, the destination service are the requested service of the service request；

First searching unit searches the target VDU for the mapping relations according to preset VDU and logic function unit LFU Corresponding target LFU, the target LFU include the first LFU and the 2nd LFU；

Second searching unit searches described first for the mapping relations according to preset LFU and physical equipment unit PDU collection The corresponding first PDU collection of LFU and the corresponding 2nd PDU collection of the 2nd LFU, the PDU that the first PDU is concentrated is for providing institute The first LFU is stated, the PDU that the 2nd PDU is concentrated is used to provide the described the 2nd LFU.

8. media controller according to claim 7, which is characterized in that second searching unit is also used to:

9. media controller according to any one of claims 8, which is characterized in that the media controller further includes first acquisition unit With the first selection unit；

The first acquisition unit, the PDU for obtaining the target LFU concentrate the load value of each PDU；

First selection unit, for concentrating the load value of each PDU according to the PDU of the target LFU, from the target LFU PDU concentrate choose the smallest first PDU of load value, the first PDU is used to provide the described target LFU, to realize the mesh Mark service.

10. media controller according to claim 9, which is characterized in that the media controller further includes the second acquisition Unit and the second selection unit；

The second acquisition unit, for from the PDU of the target LFU concentrate choose the smallest first PDU of load value after, The first information that the first PDU is sent is obtained, the first information is used to indicate the currently running state of the first PDU；

Second selection unit, for when according to the first information determine the first PDU be operating abnormally when, from the mesh The PDU for marking LFU, which is concentrated, chooses the 2nd PDU, and the PDU that the 2nd PDU is the target LFU is concentrated in addition to the first PDU, Load value the smallest PDU, the 2nd PDU are used to provide the described target LFU, to realize the destination service.

11. media controller according to any one of claims 7 to 10, which is characterized in that the media controller is also Including creating unit；

The creating unit, in the mapping relations according to preset LFU and physical equipment unit PDU collection, searching described the Before the corresponding first PDU collection of one LFU and the corresponding 2nd PDU collection of the 2nd LFU, the described of the LFU and PDU collection is created Mapping relations.

12. media controller according to claim 11, which is characterized in that the creating unit is specifically used for: