CN103338269B - A kind of data transmission method and device - Google Patents
A kind of data transmission method and device Download PDFInfo
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- CN103338269B CN103338269B CN201310307096.1A CN201310307096A CN103338269B CN 103338269 B CN103338269 B CN 103338269B CN 201310307096 A CN201310307096 A CN 201310307096A CN 103338269 B CN103338269 B CN 103338269B
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Abstract
The application provides a kind of data transmission method and device, and wherein, method includes: receive the data transfer request of the network transmission requirement including data；Obtain first capabilities list of the network transmission requirement meeting data, the first ability that first ability is the network transmission requirement meeting data in unit's capabilities list；The transmission path of the network transmission requirement meeting data is determined based on unit's capabilities list；First ability of the network transmission requirement meeting data on the node of transmission path process is combined, obtains combining chain；The identification feedback of combination chain is given the source node sending data, so that source node is by the combination chain transmission data corresponding with mark.Data transmission method and device that the application provides can provide, according to the network transmission requirement of data, the combination chain customized, i.e. can be with dynamic construction and the combination chain of Operating match different business demand, therefore can support diversified business, meet different customer group's diversified demand to network.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of data transmission method and device.
Background technology
The Internet is implemented in the large scale computer epoch of link rate 56Kbps, is the most gradually evolved to complexity
Large-scale basis facility, its significance level and network system and traffic system are shoulder to shoulder.The blast of the Internet
Formula increases and has benefited from, and it is architecturally prone to add new link and node, it is easy to extend new association
View, application and edge device.The Internet information in the range of an academic research e-learning quality becomes the whole world
Communications facility is also in the expandability testing its architecture and design principle.As Generation Internet
Basic principle: network only provides the communication service of core, and end system provides abundant expanded function, this think of
Want to be proved to great adaptability within one period, because the extension of business, have no effect on core network
Structure.
But, different customer groups are multifarious to the demand of network, and current architecture is for this
The process that a little demands are difficult to meet or needs are complicated just adapts to.Such as, scientific experiments requires high-performance
Network, and support specific protocol R and D；Along with the development of mobile Internet, lower powered
Mobile network appliance or sensor only need simpler, special function, without realizing standard
ICP/IP protocol stack.Therefore, current architectural is difficult in adapt to existing application to network performance, equipment
The differentiated demand of ability.From the angle of business demand, along with enriching constantly of IP network traffic form,
Business is more and more various and changeable to the demand of network, especially new with large-scale data transmission as feature
Type business such as p2p, VoIP, game on line, video conference, social media etc. continue to bring out, IP network
Limited and static service ability the most unable to do what one wishes, this just directly results in business demand and network
Gap expanding day between capability, makes network be difficult to even can not to support diversified the most at last
Business.
Therefore, through the development of decades, although the Internet runs in terms of completing basic communication task
Well, but, it is difficult in adapt in terms of for the specific demand of special user and new business extension
It it is undisputable fact.
Summary of the invention
In view of this, the invention provides a kind of data transmission method and device, in order to solve prior art
Middle the Internet is asking of being difficult in adapt in terms of for the specific demand of special user and new business extension
Topic, its technical scheme is as follows:
On the one hand, a kind of data transmission method, it is applied to server, described server storage has first ability
Information, described unit capabilities setting on network node, be used for realizing data communication end to end, described
Method includes:
Receiving data transfer request, described data transfer request includes the network transmission requirement of described data；
Obtain first capabilities list of the network transmission requirement meeting described data, in described unit capabilities list
Unit's ability is first ability of the network transmission requirement meeting described data；
The transmission path of the network transmission requirement meeting described data is determined based on described unit capabilities list；
First ability of the network transmission requirement of described data will be met on the node of described transmission path process
It is combined, obtains combining chain；
The identification feedback of described combination chain is given the source node sending described data, so that described source node leads to
Cross the combination chain corresponding with described mark and transmit described data.
Wherein, the first capabilities list obtaining the network transmission requirement meeting described data includes:
Network transmission requirement according to described data obtains unit's service list, and described unit service list includes:
Meeting unit's service of the network transmission requirement of described data, the service of each unit is real by least one unit's ability
Existing；
The first ability corresponding with each first service that determine with the corresponding relation of first capabilities list is serviced according to unit
List, described unit capabilities list includes realizing the first first ability that service corresponding with this yuan of capability list.
Wherein, the transmission road of the network transmission requirement meeting described data is determined based on described unit capabilities list
Footpath includes:
Obtain the transmission path of described data；
For every transmission paths, it is judged that whether the node of this transmission path process includes described unit ability row
All units ability in table, if it is, the network that this transmission path is defined as meeting described data passes
The transmission path of defeated requirement.
When meeting the transmission path of network transmission requirement of described data and being a plurality of, by described transmission path
First ability of the network transmission requirement meeting described data on the node of process is combined, and obtains combining chain
Including:
Obtain current network conditions；
Network transmission requirement according to described current network conditions and described data meets described number from a plurality of
According to network transmission requirement transmission path in determine optimal transmission paths；
The unit of the network transmission requirement of described data will be met on the node of described optimal transmission paths process
Ability is combined, and obtains combining chain.
Said method also includes:
Receiving combination chain and adjust request, described combination chain adjusts request for being unsatisfactory for institute when described combination chain
Network transmission requirement or the network transmission requirement of stating data ask to adjust described combination chain when changing, described
Combination chain adjusts request and includes mark and the adjustment requirement of combination chain of described combination chain；
Require that adjustment is corresponding with the mark that described combination chain adjusts in request according to adjusting of described combination chain
Combination chain, the adjustment to described combination chain includes adjusting the parameter of unit's ability in combination chain, in described combination
Chain adds unit's ability, and/or, delete the first ability in described combination chain；
The identification feedback of the combination chain after adjusting is to described source node.
Wherein, the adjustment requirement of described combination chain is: ensure to postpone；
Require that adjusting described combination chain includes according to the adjustment of described combination chain:
Obtain the data transmission scenarios of unit's ability place node in combination chain；
When the node congestion at unit ability place is it cannot be guaranteed that postpone in described combination chain, adds and keep away around condition
Redefine data transfer path；
Described combination chain is adjusted according to the data transfer path redefined.
On the other hand, a kind of data transmission device, it is applied to server, described server storage has first energy
The information of power, described unit capabilities setting, on network node, is used for realizing data communication end to end, institute
State device to include:
First receives unit, is used for receiving data transfer request, and described data transfer request includes described number
According to network transmission requirement；
Acquiring unit, for obtaining first capabilities list of the network transmission requirement meeting described data, described
First ability that first ability is the network transmission requirement meeting described data in unit's capabilities list；
Determine unit, for determining the network transmission requirement meeting described data based on described unit capabilities list
Transmission path；
Assembled unit, for transmitting the network meeting described data on the node of described transmission path process
The first ability required is combined, and obtains combining chain；
First transmitting element, gives the source node sending described data by the identification feedback of described combination chain, with
Described source node is made to transmit described data by the combination chain corresponding with described mark.
Wherein, acquiring unit includes:
First obtains subelement, obtains unit's service list for the network transmission requirement according to described data,
Described unit service list includes: meet unit's service of the network transmission requirement of described data, the service of each unit
Realized by least one unit's ability；
First determines subelement, for determining with each according to the corresponding relation of unit's service with first capabilities list
First capabilities list that unit's service is corresponding, described unit capabilities list includes realizing the unit corresponding with this yuan of capability list
First ability of service.
Wherein it is determined that unit includes:
Second obtains subelement, for obtaining the transmission path of described data；
Second determines subelement, for for every transmission paths, when the node bag of this transmission path process
When including all unit's abilities in described unit capabilities list, it is defined as meeting described data by this transmission path
The transmission path of network transmission requirement.
When meeting the transmission path of network transmission requirement of described data and being a plurality of, assembled unit includes:
3rd obtains subelement, is used for obtaining current network conditions；
3rd determines subelement, transmits for the network according to described current network conditions and described data and wants
Ask and determine optimal transmission paths from the transmission path of a plurality of network transmission requirement meeting described data；
Combination subelement, for meeting the net of described data on the node of described optimal transmission paths process
First ability of network transmission requirement is combined, and obtains combining chain.
Described device also includes:
Second receives unit, is used for receiving combination chain and adjusts request, and described combination chain adjusts request for working as
Described combination chain is unsatisfactory for request during network transmission requirement or the change of network transmission requirement of described data
Adjusting described combination chain, described combination chain adjusts request and includes mark and the tune of combination chain of described combination chain
Whole requirement；
Adjustment unit, adjusts request for requiring to adjust according to the adjustment of described combination chain with described combination chain
The mark correspondence combination chain included, the adjustment to described combination chain includes adjusting unit's ability in combination chain
Parameter, adds unit's ability in described combination chain, and/or, delete the first ability in described combination chain；
Second transmitting element, the identification feedback of the combination chain after adjusting is to described source node.
Wherein, the adjustment requirement of described combination chain is: ensureing to postpone, described adjustment unit includes:
4th obtains subelement, for obtaining the data transmission scenarios of unit's ability place node in combination chain；
4th determines subelement, for when in described combination chain unit ability place node congestion it cannot be guaranteed that
During delay, addition keeps away and redefines data transfer path around condition；
Adjust subelement, for adjusting described combination chain according to the data transfer path redefined.
Technique scheme has the advantages that
The invention provides in data transmission method and device, server receives the network transmission including data
The transmission request required, obtains first capabilities list of the network transmission requirement meeting data, based on unit's ability
List determines the transmission path of the network transmission requirement meeting data, by full on the node of transmission path process
First ability of the network transmission requirement of the described data of foot is combined, and obtains combining chain；Mark by combination chain
Know and feed back to the source node sending data, so that source node is by the combination chain transmission number corresponding with mark
According to.Data transmission method and device that the present invention provides can provide fixed according to the network transmission requirement of data
Therefore the combination chain of inhibition and generation, i.e. can may be used with dynamic construction and the combination chain of Operating match different business demand
To support diversified business, meet different customer group's diversified demand to network.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not
On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
The schematic diagram of the zoned format of the network function combination that Fig. 1 provides for the embodiment of the present invention；
The structural representation of first ability that Fig. 2 provides for the embodiment of the present invention；
The schematic flow sheet of a kind of data transmission method that Fig. 3 provides for the embodiment of the present invention；
The schematic flow sheet of the method for transmitting video data that Fig. 4 provides for the embodiment of the present invention；
The schematic flow sheet of the another kind of data transmission method that Fig. 5 provides for the embodiment of the present invention；
The schematic diagram of first ability type of organization that Fig. 6 provides for the embodiment of the present invention；
The structural representation of a kind of data transmission device that Fig. 7 provides for the embodiment of the present invention；
The structural representation of the another kind of data transmission device that Fig. 8 provides for the embodiment of the present invention；
The structural representation of one instantiation of the data transmission device that Fig. 9 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Embodiments providing the zoned format of a kind of network function combination, this division is by basic network
Function Decomposition is fine-grained functional template, and its way of realization is referred to as unit's ability, and Fig. 1 illustrates this network merit
The schematic diagram of the zoned format that can combine.
Wherein, unit's ability is the minimum function realizing network foundation transmission capacity, is to support network core merit
The extension of energy and the basis of the customization of service, it is however generally that, unit's ability is to support end-to-end data communication
Semantic " localized network process function " or " network processes subfunction ".Unit's service is by having function association
The function of the bigger granularity with traffic performance of first combined ability of relation.Business has been user
The application with standalone feature and effect needed, business region be directly facing user.Unit's service between business and
Between unit's ability, it is achieved the function association of business and unit's ability maps.
Referring to Fig. 2, for the structural representation of unit's ability, unit's ability is nine tuple structure: S:=< T, I, O,
ID, B, E, F, R, A>, i.e.<type, input interface collection, output interface collection, mark, perform body, thing
Part collection, Facet classifies, resource, property set >.Wherein:
Mark, for identity ID of unit's ability.
Input interface collection, is to call unit's ability or the unified interface to unit's ability input information.Input interface
Collection regulation message format, the information such as the parameter of enable or attribute.
Output interface collection, is the information output unified interface of unit's ability.Unit ability information output format with
It belongs in same semantic domain.Because the output of any unit ability all can be untreatedly as another yuan
The input information of ability.
Perform body, for the Logical processing unit of unit's ability.Perform body according to unit the invoked interface of ability and
The parameter of configuration, takies specific resource, performs specific function.
Event set, represents that unit's ability is in the issuable internal event of run duration or the extraneous thing caused
Part, such as, configuration order, network environment feedback etc..Event set needs the attribute of the first ability of association regulation
Collection, such as, when user sets up connection transmission data, when network generation congestion events, network equipment meeting
By returning the implicit commands such as ECN mark or waiting the implicit feedback such as transmitting terminal time-out, regulation transmitting terminal fall
Transmission rate in its property set low.
Facet classification tree, mainly completes the element of unit's ability refinement classification.The Internet accumulates through for many years,
Core mechanism is the most considerably complicated, and various functions are various, there is obvious level, therefore, for the ease of
Management and discovery, also certainly will there is level in the classification as first ability of fine granularity network function unit.
Facet classification tree describes this level.The summit of tree is this yuan of ability " type " mark, its sub-joint
Identifying next stage subclass in point, leaf node mark describes " keyword " of this yuan of ability functional imperative, this pass
Key word set should pass through normalized by definition.
Resource, mainly needs the node resources information accessed between unit's ability example runtime.Node has
Body resource is given by node resource ontology describing file consolidation, to realize the information under network distributed environment
Alternately.
Property set, the non-functional parameter of main described function, such as, unit's available Service Quality of ability
Amount parameter.Unit's ability run duration, its internal logic can control the span of the element in property set.
External environment condition can carry out controlled attribute parameter by forms such as order, feedbacks by the event in event set.
The zoned format combined based on above-mentioned network function, present embodiments provides a kind of transmission side data
Method, Fig. 3 shows the structural representation of the method, and the method can be applicable to server, and server is collected
First competence set in each network node, resource service condition, form unit's ability view, and the present embodiment carries
The method of confession may include that
Step S101: receiving data transfer request, wherein, data transfer request includes the network of data
Transmission requirement.
Step S102: obtain first capabilities list of the network transmission requirement meeting data, unit's capabilities list
In first ability that first ability is the network transmission requirement meeting data.
Wherein, the first capabilities list obtaining the network transmission requirement meeting data may include that according to data
Network transmission requirement obtain unit's service list, unit's service list includes the network transmission requirement that meets data
Unit service, each unit service by least one unit ability realize；According to unit's service and first capabilities list
Corresponding relation determines the first capabilities list corresponding with each first service, and unit's capabilities list includes realizing and this yuan
First ability of unit's service that capability list is corresponding.
Step S103: determine the transmission path of the network transmission requirement meeting data based on unit's capabilities list.
Wherein, determine that the transmission path of the network transmission requirement meeting data can be wrapped based on unit's capabilities list
Include: obtain the transmission path of data；For every transmission paths, it is judged that the node of this transmission path process
Whether include all units ability in unit's capabilities list, if it is, be defined as meeting by this transmission path
The transmission path of the network transmission requirement of data.
Step S104: first energy of the network transmission requirement of data will be met on the node of transmission path process
Power is combined, and obtains combining chain.
It should be noted that, it is generally the case that the transmission path of data has multiple, sometimes, meet
The transmission path of the network transmission requirement of data may also be a plurality of, in this case, will transmit path
First ability of the network transmission requirement meeting data on the node of process is combined, and obtains combining the mistake of chain
Journey may include that acquisition current network conditions；Network transmission requirement according to current network conditions and data
Optimal transmission paths is determined from the transmission path of a plurality of network transmission requirement meeting data；Optimum is passed
First ability of the network transmission requirement meeting data on the node of defeated path process is combined, and is combined
Chain.
Step S105: the identification feedback of combination chain is given the source node sending data, so that source node leads to
Cross the combination chain transmission data corresponding with mark.
On the basis of the invention described above embodiment, now enumerate an instantiation and illustrate.
As a example by video traffic transmission demand, Fig. 4 shows video data transmission schematic flow sheet:
Step S201: server receives the video data transmission request that video application sends, video
Data transfer request includes that network transmission requirement, network transmission requirement are: low latency, sudden and without even
Connect.
Step S202: server is according to network transmission requirement, and by reasoning, deducing is met network
First service list of transmission requirement.For sending the source node of video data and receiving the purpose of video data
Node, its yuan of service list is: the service of UDP message transmission channel unit, for network node, its yuan of clothes
Business list is: route, (high priority) store, forward.
Be exemplified below by reasoning, deducing is met first service list mistake of network transmission requirement
Journey: assume that network performance grade is divided into a, b and c Three Estate, network transmission requirement to be from low to high:
End-to-end delay is a grade, and packet loss is c grade, then can be read as this request and can hold network delay
Bear, but require that packet loss is minimum, be at this moment accomplished by support error correction, based on window stream control, end-to-end transmission,
First ability of re-transmission etc., to ensure the performance of request.
Step S203: determine each with first service list according to the relation of unit's service and first capabilities list
First capabilities list that unit's service is corresponding.For sending the source node of video data and receiving the mesh of video data
Node: DeMux based on port, verification and, for network node: pathfinding, table look-up, preferentially
Level queue, abandon, exchange, dispatch, measure, shaping.
Step S204: determine the transmission of the network transmission requirement meeting video data based on unit's capabilities list
Path, this transmission path the node of process should include above-mentioned determine meet the institute that video data requires
There is first ability.
Step S205: the network transmission requirement of video data will be met on the node of transmission path process
Unit's ability is combined, and obtains combining chain.
Step S206: the identification feedback of combination chain is given the source node sending video data, so that sending
The source node of video data is by the combination chain transmitting video data corresponding with mark.
Embodiments providing data transmission method, server receives and includes that the network transmission of data is wanted
The transmission request asked, obtains first capabilities list of the network transmission requirement meeting data, based on unit's ability row
Table determines the transmission path of the network transmission requirement meeting data, will meet on the node of transmission path process
First ability of the network transmission requirement of data is combined, and obtains combining chain；Identification feedback by combination chain
Give the source node sending data, so that source node is by the combination chain transmission data corresponding with mark.This
The data transmission method that bright embodiment provides can provide customization according to the network transmission requirement of data
Therefore combination chain, i.e. can be able to support with dynamic construction and the combination chain of Operating match different business demand
Diversified business, meets different customer group's diversified demand to network.
Refer to Fig. 5, the schematic flow sheet of another kind of data transmission method provided for the embodiment of the present invention,
The method can apply to server, it should be noted that in order in the network system preferably tissue and
Utilize the first ability in each network node, network partition managed, each subregion at least server,
Fig. 6 shows the type of organization of unit's ability, and server alleged in the present embodiment is field managing server,
Field managing server is mainly responsible for first competence set, the resource collecting in each network node in its management domain
Service condition, forms unit's ability view, and the method that the present embodiment provides may include that
Step S301: receiving data transfer request, wherein, data transfer request includes the network of data
Transmission requirement.
Step S302: obtain first capabilities list of the network transmission requirement meeting data, unit's capabilities list
In first ability that first ability is the network transmission requirement meeting data.
Wherein, the first capabilities list obtaining the network transmission requirement meeting data may include that according to data
Network transmission requirement obtain unit's service list, unit's service list includes the network transmission requirement that meets data
Unit service, each unit service by least one unit ability realize；According to unit's service and first capabilities list
Corresponding relation determines the first capabilities list corresponding with each first service, and unit's capabilities list includes realizing and this yuan
First ability of unit's service that capability list is corresponding.
Step S303: determine the transmission path of the network transmission requirement meeting data based on unit's capabilities list.
Wherein, determine that the transmission path of the network transmission requirement meeting data can be wrapped based on unit's capabilities list
Include: obtain the transmission path of data；For every transmission paths, it is judged that the node of this transmission path process
Whether include all units ability in unit's capabilities list, if it is, be defined as meeting by this transmission path
The transmission path of the network transmission requirement of data.
Step S304: first energy of the network transmission requirement of data will be met on the node of transmission path process
Power is combined, and obtains combining chain.
It should be noted that, it is generally the case that the transmission path of data has multiple, sometimes, meet
The transmission path of the network transmission requirement of data may also be a plurality of, in this case, will transmit path
First ability of the network transmission requirement meeting data on the node of process is combined, and obtains combining chain permissible
Including: obtain current network conditions；Network transmission requirement according to current network conditions and described data from
The transmission path of a plurality of network transmission requirement meeting data determines optimal transmission paths；By optimal transmission
First ability of the network transmission requirement meeting described data on the node of path process is combined, and obtains group
Close chain.
Step S305: the identification feedback of combination chain is given the source node sending data, so that source node leads to
Cross the combination chain transmission data corresponding with mark.
Step S306: receive combination chain and adjust request, combination chain adjusts request for being discontented with when combination chain
When the network transmission requirement of foot data or the network transmission requirement of data change, request adjusts combination chain, combination
Chain adjusts request and includes combining mark and the adjustment requirement of combination chain of chain.
Step S307: require that adjustment adjusts, with combination chain, the mark that request includes according to adjusting of combination chain
Knowing corresponding combination chain, the adjustment to combination chain includes adjusting the parameter of unit's ability in combination chain, in combination
Chain adds unit's ability, and/or, delete the first ability in combination chain.
Step S308: the identification feedback of the combination chain after adjusting is to source node, so that source node passes through
Combination chain after the adjustment corresponding with this mark continues transmission data.
As a example by the video data of same video traffic in above-described embodiment, illustrate to combine the mistake that chain adjusts
Journey:
When certain node generation network congestion of the transmission path process of video data, video application
Perceive data transfer delay to increase, when it increases to preset value, send combination chain to server and adjust
Request, combination chain adjusts request and includes combining the adjustment requirement of chain, particularly as follows: delay guaranteed.
When server receives combination chain tune increasing request, obtain the number of first ability place node in combination chain
According to transmission situation, when in combination chain, certain node congestion at unit ability place is it cannot be guaranteed that postpone, add
Keep away and redefine data transfer path around condition, adjust combination according to the data transfer path redefined
Chain.If it should be noted that meet the transmission path of condition, then combination chain adjusts unsuccessfully, video counts
According to still transmitting according to former combination chain.
Same as a example by video traffic: the adjustment of combination chain generally uses business-driven mode, and business sends
Combination chain adjusts request, specially adjusts signaling, and adjustment signaling, in addition to comprising the mark of combination chain, also has
Adjustment requires information, adjusts according to combination chain is and adjusts the combination chain requiring that information change is corresponding with mark
Composition and parameter.
Embodiments providing data transmission method, server receives and includes that the network transmission of data is wanted
The transmission request asked, obtains first capabilities list of the network transmission requirement meeting data, based on unit's ability row
Table determines the transmission path of the network transmission requirement meeting data, will meet on the node of transmission path process
First ability of the network transmission requirement of data is combined, and obtains combining chain；Identification feedback by combination chain
Give the source node sending data, so that source node is by the combination chain transmission data corresponding with mark.This
The data transmission method that bright embodiment provides can provide customization according to the network transmission requirement of data
Therefore combination chain, i.e. can be able to support with dynamic construction and the combination chain of Operating match different business demand
Diversified business, meets different customer group's diversified demand to network.It addition, the present invention implements
The data transmission method that example provides can also be when combining chain and being unsatisfactory for the transmission requirement of data, or data
Network transmission requirement when changing, adjust according to combination chain and require dynamically to adjust, combination chain with full
Foot data transportation requirements.
Refer to Fig. 7, the structural representation of a kind of data transmission device provided for the embodiment of the present invention,
This device can apply to server, and server storage has the information of first ability, and this device may include that
First receive unit 101, acquiring unit 102, determine that unit 103, assembled unit 104 and first send
Unit 105.Wherein:
First receives unit 101, is used for receiving data transfer request, and wherein, data transfer request includes
The network transmission requirement of data.
Acquiring unit 102, for obtaining first capabilities list of the network transmission requirement meeting data, unit's energy
First ability in power list is first ability of the network transmission requirement meeting data.
Determine unit 103, for determining the biography of the network transmission requirement meeting data based on unit's capabilities list
Defeated path.
Assembled unit 104, for the network transmission requirement by meeting data on the node of transmission path process
First ability be combined, obtain combine chain.
First transmitting element 105, gives the source node sending data by the identification feedback of combination chain, so that source
Node is by the combination chain transmission data corresponding with mark.
The data transmission device that the embodiment of the present invention provides can provide according to the network transmission requirement of data
The combination chain customized, i.e. can be with dynamic construction and the combination chain of Operating match different business demand, therefore
Diversified business can be supported, meet different customer group's diversified demand to network.
Refer to Fig. 8, the structural representation of another kind of data transmission device provided for the embodiment of the present invention,
This device can apply to server, and server storage has the information of first ability, and this device may include that
First receive unit 101, acquiring unit 102, determine that unit 103, assembled unit 104, first send
Unit 105, second receives unit 106, adjustment unit 107 and the second transmitting element 108.Wherein:
First receives unit 101, is used for receiving data transfer request, and wherein, data transfer request includes
The network transmission requirement of data.
Acquiring unit 102, for obtaining first capabilities list of the network transmission requirement meeting data, unit's energy
First ability in power list is first ability of the network transmission requirement meeting data.
Determine unit 103, for determining the biography of the network transmission requirement meeting data based on unit's capabilities list
Defeated path.
Assembled unit 104, for the network transmission requirement by meeting data on the node of transmission path process
First ability be combined, obtain combine chain.
First transmitting element 105, gives the source node sending data by the identification feedback of combination chain, so that source
Node is by the combination chain transmission data corresponding with mark.
Second receives unit 106, is used for receiving combination chain and adjusts request, and combination chain adjusts request for working as
When the network transmission requirement of network transmission requirement or data that combination chain is unsatisfactory for data changes, request adjusts
Combination chain, combination chain adjusts request and includes combining mark and the adjustment requirement of combination chain of chain.
Adjustment unit 107, wraps for requiring to adjust to adjust in request with combination chain according to the adjustment of combination chain
The combination chain of the mark correspondence included, the adjustment to combination chain includes adjusting the parameter of unit's ability in combination chain,
Unit's ability is added in combination chain, and/or, delete the first ability in combination chain.
Second transmitting element 108, the identification feedback of the combination chain after adjusting is to source node.
The data transmission device that the embodiment of the present invention provides can provide according to the network transmission requirement of data
The combination chain customized, i.e. can be with dynamic construction and the combination chain of Operating match different business demand, therefore
Diversified business can be supported, meet different customer group's diversified demand to network.It addition, this
Inventive embodiments provide data transmission device can also combination chain be unsatisfactory for data network transmission want
When asking, or when the network transmission requirement of data changes, adjust according to combination chain and require combination chain is carried out
Dynamically adjust, to meet data transportation requirements.
Further, the acquiring unit 102 in above-described embodiment may include that the first acquisition subelement and
First determines subelement.Wherein:
First obtains subelement, for the first service list of network transmission requirement acquisition according to data, wherein,
Unit's service list includes the unit's service meeting the network transmission requirement of data, and the service of each unit is by least one
Unit's ability realizes.
First determines subelement, for determining with each according to the corresponding relation of unit's service with first capabilities list
First capabilities list that unit's service is corresponding, unit's capabilities list includes realizing the unit service corresponding with this yuan of capability list
First ability.
Further, in above-described embodiment, cell 103 includes really: second obtains subelement and second
Determine subelement.Wherein:
Second obtains subelement, for obtaining the transmission path of data.
Second determines subelement, for for every transmission paths, when the node bag of this transmission path process
When including all unit's abilities in unit's capabilities list, this transmission path is defined as meeting the network transmission of data
The transmission path required.
When meeting the transmission path of network transmission requirement of data and being a plurality of, the combination in above-described embodiment
Unit 104 may include that the 3rd acquisition subelement and the 3rd determines subelement.Wherein:
3rd obtains subelement, is used for obtaining current network conditions.
3rd determines subelement, is used for the network transmission requirement according to current network conditions and data from a plurality of
The transmission path of the network transmission requirement meeting data determines optimal transmission paths.
Combination subelement, wants for being transmitted by the network meeting data on the node of optimal transmission paths process
The first ability asked is combined, and obtains combining chain.
When the adjustment combining chain in above-described embodiment requires as ensureing to postpone, adjustment unit 107 can wrap
Include: the 4th obtains subelement and the 4th determines subelement.Wherein:
4th obtains subelement, for obtaining the data transmission scenarios of unit's ability place node in combination chain.
4th determines subelement, for the node congestion when ability place first in combination chain it cannot be guaranteed that postpone
Time, addition keeps away and redefines data transfer path around condition.
Adjust subelement, for adjusting combination chain according to the data transfer path redefined.
On the basis of above-described embodiment, now provide data transmission device one instantiation:
Referring to Fig. 9 is data transmission device concrete structure schematic diagram, including: adaptability application program,
Adaptability inference engine, adaptability combine engine, combination chain manager, unit's ability base, rule constraint storehouse
And detector.Wherein:
Adaptability application program, for the application program realized based on unit's ability, it can be known by sending node
Other data transfer request, data request packet purse rope network transmission requirement, it may be located in the network terminal.
Adaptability inference engine, for according to priori rules, is pushed away by the network transmission requirement in request of data
Manage out unit's service list, deduced unit's capabilities list by unit's service list the most again, it is achieved intelligent processing method,
It is mainly implemented in network node.
Adaptability combine engine, filters out unit's ability according to unit's capabilities list real from candidate unit competence set
Example, and complete Combinatorial Optimization, it is mainly implemented in network node.
Combination chain manager, general networking node is interior and deposits multiple combination chain, and combination chain manager is mainly real
Now combine the management of chain.
Unit's ability base, major deployments is at server and network node.First ability base in server is mainly deposited
Store up the first ability distribution feelings in the first ability example and adjacent domains that each network node in its management domain notices
Condition.The first ability in first ability base this node of major maintenance in network node.
Rule constraint storehouse, rule retrains storehouse major deployments in the server, mainly for adaptability inference engine
Complete intelligent inference with adaptability combine engine to map and Combinatorial Optimization.
Detector, the network environment residing for probe node, the detector in server is mainly detected it
The situations such as the loading condition of each node in territory, unit's ability distribution, unit's ability update.Network node is mainly visited
Loading condition around survey grid network, receives packet message.Node can make corresponding tune according to result of detection
Whole strategy, such as, if finding network congestion, node may adjust combination chain, and addition can complete to gather around
Plug controls first ability of function.
The data transmission device being given below in examples detailed above builds combination chain and realizes the mistake of data transmission
Journey:
Adaptability application program sends the data transfer request including network transmission requirement, and is given to node
Detector.
Data transfer request is filtered by detector, it is judged that whether it is to control signaling, if controlling
Signaling, then pass to adaptability inference engine by network transmission requirement.
Adaptability inference engine resolves, and engine infers corresponding regular collection L and (mainly includes
Resource request parameter and restriction on the parameters etc.), and linking rule storehouse, it may be judged whether there is new regulation to occur, and
Request rule set L is passed to adaptability combine engine.
Adaptability combine engine accesses local first ability and rule base according to rule, selects suitably unit's energy
Power set A, then A combines L, according to combined strategy application combination algorithm, generates combination chain C, and
Hand over to combination chain combine in chain manager.
Combination chain C is stored in combination chain list by combination chain manager, and starts timer, metering group
Closing the life cycle of chain, meanwhile, the handle of combination chain C is returned to by adaptability combine engine as response
Adaptability application program.
Adaptability application program sends data-message according to the C returned, detector identify data and disappear
Breath, and be given to combine chain manager.
Combination chain manager, according to the combination chain handle C in data-message, index combination chain, opens data
Channel, forwards the data to network.
For convenience of description, it is divided into various unit to be respectively described with function when describing apparatus above.Certainly,
The function of each unit can be realized in same or multiple softwares and/or hardware when implementing the present invention.
Each embodiment in this specification all uses the mode gone forward one by one to describe, identical between each embodiment
Similar part sees mutually, and what each embodiment stressed is different from other embodiments
Part.For device embodiment, owing to it is substantially similar to embodiment of the method, so retouching
Stating fairly simple, relevant part sees the part of embodiment of the method and illustrates.Described above is
System embodiment is only schematically, and the wherein said unit that illustrates as separating component can be or also
Can not be physically separate, the parts shown as unit can be or may not be physics list
Unit, i.e. may be located at a place, or can also be distributed on multiple NE.Can be according to reality
The needing of border selects some or all of module therein to realize the purpose of the present embodiment scheme.This area
Those of ordinary skill, in the case of not paying creative work, is i.e. appreciated that and implements.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
Seeing, generic principles defined herein can be in the situation without departing from the spirit or scope of the present invention
Under, realize in other embodiments.Therefore, the present invention is not intended to be limited to these realities shown in this article
Execute example, and be to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a data transmission method, it is characterised in that be applied to server, described server stores
The information of first ability, described unit capabilities setting is had on network node, to be used for realizing data end to end
Communication, described method includes:
Receiving data transfer request, described data transfer request includes the network transmission requirement of described data；
Obtain first capabilities list of the network transmission requirement meeting described data, in described unit capabilities list
First ability that first ability is the network transmission requirement meeting described data；
The transmission path of the network transmission requirement meeting described data is determined based on described unit capabilities list；
First ability of the network transmission requirement of described data will be met on the node of described transmission path process
It is combined, obtains combining chain；
The identification feedback of described combination chain is given the source node sending described data, so that described source node
Described data are transmitted by the combination chain corresponding with described mark；
First capabilities list of the network transmission requirement that described acquisition meets described data includes:
Network transmission requirement according to described data obtains unit's service list, and described unit service list includes:
Meeting unit's service of the network transmission requirement of described data, the service of each unit is real by least one unit's ability
Existing；
The first ability corresponding with each first service that determine with the corresponding relation of first capabilities list is serviced according to unit
List, described unit capabilities list includes realizing the first first ability that service corresponding with this yuan of capabilities list.
Method the most according to claim 1, it is characterised in that true based on described unit capabilities list
The transmission path of the network transmission requirement surely meeting described data includes:
Obtain the transmission path of described data；
For every transmission paths, it is judged that whether the node of this transmission path process includes described unit ability
All units ability in list, if it is, be defined as meeting the net of described data by this transmission path
The transmission path of network transmission requirement.
Method the most according to claim 1, it is characterised in that when the network meeting described data
When the transmission path of transmission requirement is a plurality of, described number will be met on the node of described transmission path process
According to first ability of network transmission requirement be combined, obtain combining chain and include:
Obtain current network conditions；
Network transmission requirement according to described current network conditions and described data meets described number from a plurality of
According to network transmission requirement transmission path in determine optimal transmission paths；
The unit of the network transmission requirement of described data will be met on the node of described optimal transmission paths process
Ability is combined, and obtains combining chain.
4. according to the method described in any one in claim 1-3, it is characterised in that also include:
Receiving combination chain and adjust request, described combination chain adjusts request for being unsatisfactory for when described combination chain
When the network transmission requirement of described data or network transmission requirement change, request adjusts described combination chain,
Described combination chain adjusts request and includes mark and the adjustment requirement of combination chain of described combination chain；
Require to adjust the mark included with the adjustment request of described combination chain according to adjusting of described combination chain
Corresponding combination chain, the adjustment to described combination chain includes adjusting the parameter of unit's ability in combination chain,
Described combination chain adds unit's ability, and/or, delete the first ability in described combination chain；
The identification feedback of the combination chain after adjusting is to described source node.
Method the most according to claim 4, it is characterised in that the adjustment requirement of described combination chain
For: ensure to postpone；
Require that adjusting described combination chain includes according to the adjustment of described combination chain:
Obtain the data transmission scenarios of unit's ability place node in combination chain；
When the node congestion at unit ability place is it cannot be guaranteed that postpone in described combination chain, adds and keep away around bar
Part redefines data transfer path；
Described combination chain is adjusted according to the data transfer path redefined.
6. a data transmission device, it is characterised in that be applied to server, described server stores
The information of first ability, described unit capabilities setting is had on network node, to be used for realizing data end to end
Communication, described device includes:
First receives unit, is used for receiving data transfer request, and described data transfer request includes described
The network transmission requirement of data；
Acquiring unit, for obtaining first capabilities list of the network transmission requirement meeting described data, institute
State the first ability that first ability is the network transmission requirement meeting described data in unit's capabilities list；
Determine unit, for determining that the network transmission meeting described data is wanted based on described unit capabilities list
The transmission path asked；
Assembled unit, for passing the network meeting described data on the node of described transmission path process
First ability of defeated requirement is combined, and obtains combining chain；
First transmitting element, gives the source node sending described data by the identification feedback of described combination chain,
So that described source node transmits described data by the combination chain corresponding with described mark；
Described acquiring unit includes:
First obtains subelement, obtains unit's service list for the network transmission requirement according to described data,
Described unit service list includes: meet unit's service of the network transmission requirement of described data, each unit clothes
It is engaged in being realized by least one unit's ability；
First determines subelement, for according to unit service with unit capabilities list corresponding relation determine with often
First capabilities list that the service of individual unit is corresponding, described unit capabilities list includes realizing and this yuan of capabilities list pair
First ability of the unit's service answered.
Device the most according to claim 6, it is characterised in that described determine that unit includes:
Second obtains subelement, for obtaining the transmission path of described data；
Second determines subelement, for for every transmission paths, when the node of this transmission path process
Including described unit capabilities list in all unit ability time, be defined as meeting described number by this transmission path
According to the transmission path of network transmission requirement.
Device the most according to claim 6, it is characterised in that when the network meeting described data
When the transmission path of transmission requirement is a plurality of, assembled unit includes:
3rd obtains subelement, is used for obtaining current network conditions；
3rd determines subelement, transmits for the network according to described current network conditions and described data
Require to determine optimal transmission road from the transmission path of a plurality of network transmission requirement meeting described data
Footpath；
Combination subelement, for meeting described data on the node of described optimal transmission paths process
First ability of network transmission requirement is combined, and obtains combining chain.
9. according to the device described in any one in claim 6-8, it is characterised in that also include:
Second receives unit, is used for receiving combination chain and adjusts request, and described combination chain adjusts request and is used for
Please when described combination chain is unsatisfactory for the network transmission requirement of described data or network transmission requirement changes
Seeking the described combination chain of adjustment, described combination chain adjusts request and includes mark and the combination chain of described combination chain
Adjustment requirement；
According to the adjustment of described combination chain, adjustment unit, for requiring that adjustment please with the adjustment of described combination chain
Seeking the combination chain that the mark included is corresponding, the adjustment to described combination chain includes adjusting unit in combination chain
The parameter of ability, adds unit's ability in described combination chain, and/or, delete the unit in described combination chain
Ability；
Second transmitting element, the identification feedback of the combination chain after adjusting is to described source node.
Device the most according to claim 9, it is characterised in that the adjustment of described combination chain is wanted
Ask for: ensure postpone；
Described adjustment unit includes:
4th obtains subelement, for obtaining the data transmission scenarios of unit's ability place node in combination chain；
4th determines subelement, for not protecting when the node congestion at ability place first in described combination chain
When card postpones, addition keeps away and redefines data transfer path around condition；
Adjust subelement, for adjusting described combination chain according to the data transfer path redefined.
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| CN104022951B (en) * | 2014-06-18 | 2018-03-23 | 中国人民解放军信息工程大学 | A kind of method for building up and system in network service path |
| CN104135478B (en) * | 2014-07-25 | 2017-06-16 | 中国人民解放军信息工程大学 | First Capacity Management collocation method based on XML |
| CN106034106B (en) * | 2015-03-10 | 2019-06-25 | 中国电信股份有限公司 | Network-building method, networking management method and device and system |
| CN104917629B (en) * | 2015-04-14 | 2018-08-17 | 中国人民解放军信息工程大学 | First ability method of combination of more switching node collaborations |
| CN106533731B (en) * | 2015-09-15 | 2019-08-20 | 北京国双科技有限公司 | The processing method and processing device and resource share method and device of resource share path |
| GB2544049A (en) * | 2015-11-03 | 2017-05-10 | Barco Nv | Method and system for optimized routing of data streams in telecommunication networks |
| CN106791679B (en) * | 2016-12-30 | 2019-10-18 | 东方网力科技股份有限公司 | A kind of determination method and device of video transmission path |
| CN109714078B (en) * | 2019-03-11 | 2021-03-26 | 北京智芯微电子科技有限公司 | Signaling interaction method and system for data uplink transmission |
| CN114408674B (en) * | 2021-12-13 | 2023-03-17 | 珠海格力电器股份有限公司 | Weight measurement method, electronic device and storage medium |
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