CN107359938A - The implementation method and device controlled in data center's Transmission system, system - Google Patents
The implementation method and device controlled in data center's Transmission system, system Download PDFInfo
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- CN107359938A CN107359938A CN201610301113.4A CN201610301113A CN107359938A CN 107359938 A CN107359938 A CN 107359938A CN 201610301113 A CN201610301113 A CN 201610301113A CN 107359938 A CN107359938 A CN 107359938A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
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Abstract
The invention provides a kind of data center's Transmission system, including multiple websites and controller, the website includes several network hardware equipments, and the network hardware equipment is respectively：Customer side optical cross-matrix equipment, it is used to dock the client side interface in designated equipment；Line side optical cross-matrix equipment, it is used to carry out the path of photosphere and built；Transmission equipment, it connects the customer side optical cross-matrix equipment and line side optical cross-matrix equipment respectively；Channel join-splitting device, it is connected with the line side optical cross-matrix equipment；The controller drives the network hardware equipment in the website to build finishing service by the scheduling of internal port and the path of photosphere and built, and runs the business in data center's Transmission system.In addition, also provide the implementation method controlled in a kind of system to match with the system and device.The implementation method and device that are controlled in above-mentioned data center's Transmission system, system can reduce the difficulty of network construction and follow-up maintenance.
Description
Technical field
The present invention relates to network technique field, the realization that is controlled in more particularly to a kind of data center's Transmission system, system
Method and apparatus.
Background technology
With the development of the network architecture, the Internet service that the existing network architecture is carried is more and more, and then exists
That type of service is various and the huge situation of traffic demand.
The existing network architecture is the related OTN of ITU-T（Optical Transport Network, optical transfer network）Net
G.872 network framework, its standard used are included；G.798.1；G.798；G.709；G.672；G.680.
As shown in figure 1, the OTN network architectures are intersected using electricity and light intersects progress mixed networking, wherein, light intersects square
Battle array equipment uses ROADM mostly, and electric cross matrix equipment is with ODUkMapped, be multiplexed and handed over for particle
Fork, and then provide the realization for business in the OTN network architectures to dispatching by the mixed networking that this mode is realized.
However, in the OTN network architectures, because optical cross-matrix equipment uses ROADM（ROAM）, because
There is the high major defect of networking complexity for this.
For example, as shown in Figure 2, by taking 9 more conventional at present dimension WSS ROAM as an example, set up 3 local dimensions+4
The network of light direction is set up and the difficulty of follow-up maintenance, it is necessary to be not less than 37 photosphere components and 282 optical fiber connection relations
It is all very big.
The content of the invention
Based on this, it is necessary to provide a kind of data center's Transmission system, data center's Transmission system can reduce net
Network is set up and the difficulty of follow-up maintenance.
In addition, there is a need to the implementation method for providing and being controlled in a kind of data center's Transmission system, methods described can drop
The difficulty of low network construction and follow-up maintenance.
In addition, there is a need to the realization device for providing and being controlled in a kind of data center's Transmission system, described device can drop
The difficulty of low network construction and follow-up maintenance.
In order to solve the above technical problems, it will adopt the following technical scheme that：
A kind of data center's Transmission system, including multiple websites and controller, the website include several network hardware equipments,
The network hardware equipment is respectively：
Customer side optical cross-matrix equipment, it is used to dock the client side interface in designated equipment；
Line side optical cross-matrix equipment, it is used to carry out the path of photosphere and built；
Transmission equipment, it connects the customer side optical cross-matrix equipment and line side optical cross-matrix equipment respectively；
Channel join-splitting device, it is connected with the line side optical cross-matrix equipment；
The controller drives the network hardware equipment in the website to be built by the scheduling of internal port and the path of photosphere
Finishing service is built, and runs the business in data center's Transmission system.
A kind of implementation method controlled in data center's Transmission system, including：
Business granting instruction is obtained in data center's Transmission system；
Believed according to the related resource of network hardware equipment in website and website movable in data center's Transmission system
The path computing of breath carry out business granting instruction obtains respective paths；
The path that business is carried out according to the path drives associated network hardware equipment being calculated is built, the net of driving
Network hardware device is distributed in the movable website；
The business is opened in data center's Transmission system by the path built.
A kind of realization device controlled in data center's Transmission system, including：
Instruction acquisition module, for obtaining business granting instruction in data center's Transmission system；
Path calculation module, for being set according to the network hardware in website and website movable in data center's Transmission system
The path computing that standby related resource information carries out business granting instruction obtains respective paths；
Business builds module, for carrying out the path of business according to the path drives associated network hardware equipment being calculated
Build, the network hardware equipment of driving is distributed in the movable website；
Service fulfillment module, the business is opened in data center's Transmission system for the path by building.
As shown from the above technical solution, data center's Transmission system provides the network architecture, to carry based on internet
Miscellaneous service, in this data center's Transmission system, include multiple websites and controller, the network hardware included in website is set
Standby respectively customer side optical cross-matrix equipment, line side optical cross-matrix equipment, transmission equipment and channel join-splitting device, client's sidelight
Cross matrix equipment is used to dock the client side interface in designated equipment, and line side optical cross-matrix equipment is then used to carry out photosphere
Path build, just can obtain multiple websites under the network architecture on this basis, and phase is driven in the presence of controller
Network hardware equipment finishing service is answered to build, the network architecture realized carries out the company between network hardware equipment due to only needing
Connect, annexation is relatively simple, therefore can greatly reduce the difficulty of network construction and follow-up maintenance, and then can accelerate from rule
Draw the speed built to delivering.
Brief description of the drawings
Fig. 1 is the mixed networking schematic diagram that electricity intersects in the OTN network architectures and light intersects；
Fig. 2 is the schematic diagram for the network that 3 local+4 light directions of dimension are set up under Fig. 1 OTN network architectures；
Fig. 3 is the structural representation of data center's Transmission system in one embodiment；
Fig. 4 is the flow chart of the implementation method controlled in one embodiment in data center's Transmission system；
Fig. 5 is the flow chart of the implementation method controlled in another embodiment in data center's Transmission system；
Fig. 6 is the flow chart of the implementation method controlled in another embodiment in data center's Transmission system；
Fig. 7 is to carry out path computing in Fig. 6 for business, and generates the corresponding re-routing instructions of path computing, passes through heavy-route
Order-driven associated network hardware equipment performs the method flow diagram of heavy-route action；
Fig. 8 is the structure schematic diagram of a website in one embodiment；
Fig. 9 is the schematic diagram of software control platform framework in one embodiment；
Figure 10 is the schematic diagram of 5 looped networks of ABCDE in one embodiment；
Figure 11 is a kind of controller architecture schematic diagram provided in an embodiment of the present invention；
Figure 12 is the structural representation of the realization device controlled in one embodiment in data center's Transmission system；
Figure 13 is the structural representation of the realization device controlled in another embodiment in data center's Transmission system；
Figure 14 is the structural representation of the realization device controlled in another embodiment in data center's Transmission system；
Figure 15 is the structural representation of heavy-route module in Figure 14.
Embodiment
Embodying the exemplary embodiment of feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various changes in different embodiments, and it is neither departed from the scope of the present invention, and theory therein
Bright and diagram is treated as purposes of discussion in itself, and is not used to the limitation present invention.
As previously described, the existing OTN network architectures are carried out by electric cross matrix equipment and optical cross-matrix equipment
Mixed networking is realized.Electric cross matrix equipment power dissipation is high, and it, using telecommunications industry standard, is mostly 21 inches special
Transmission cabinets, -48 volt direct current supplys design, the Design of ventilation of bottom in and top out, single equipment exceed 8KW power consumption, and in data
The environmental requirement of the heart is：19 inches of racks, Single Cabinet power dissipation design are less than 6KW, cold and hot channel separation, exhaust passage after advance,
220 volts of exchanges either HVDC power supply, therefore, electric cross matrix equipment is not particularly suited for what current data center was carried out
The network architecture is built.
On the other hand, the capacity of electric cross matrix equipment by technology, technique and radiating the problems such as influenceed and there is
Limitation, the capacity of single electric cross matrix equipment is 12.8T ~ 14.4T, by connect back-to-back design can reach 25.6T ~
28.8T, and if then will cause that follow-up there will be very expensive cost to build cluster by electric layer cascade.
Therefore, spy proposes a kind of data center's Transmission system, avoids the operation of the network architecture from expensive cost being present, and
Reduce the difficulty set up with follow-up maintenance.
In one embodiment, specifically, data center's Transmission system is as shown in figure 3, including multiple websites 100 and control
Device processed（It is not shown）, website 100 includes several network hardware equipments, and the network hardware equipment is respectively that client's sidelight intersects
Matrix device 110, line side optical cross-matrix equipment 130, transmission equipment 150 and channel join-splitting device（It is not shown）, wherein：
Customer side optical cross-matrix equipment 110 is used to dock the client side interface in designated equipment, and it is responsible for completing wavelet length
The scheduling of grain, the logical interface of number is docked on the given client side interface of designated equipment, specified set is realized according to networking requirements
Standby connection.In one embodiment, client's top-cross cross matrix equipment 110 is optical cross-connection equipment（OXC equipment）.
Line side optical cross-matrix equipment 130 is used to build into the path of photosphere, by arbitrary OUT（Optical
Transform Unit, optical conversion element）Port is docked on the specific wavelength port of channel join-splitting device corresponding to specified light direction,
Or by the phase co-wavelength of a certain wavelength break-through of any light direction to other any light directions.
In one embodiment, line side optical cross-matrix equipment 130 is that optical cross-connection equipment or reconfigurable optical point are inserted
Multiplexer.
In a preferred embodiment, customer side optical cross-matrix equipment 110 and line side optical cross-matrix equipment 130 are
Optical cross-connection equipment, to reduce system overall complexity and networking cost to greatest extent.
Transmission equipment is used to realize between customer side optical cross-matrix equipment 110 and line side optical cross-matrix equipment 130
Connection.In one embodiment, transmission equipment is boxlike DCI（DataCenter Interconnect）Transmission equipment.
For the relatively current used transmission equipment of boxlike DCI transmission equipments, due to current used transmission equipment
It is to be designed exclusively for operator early stage, construction and service mode are the usage scenario customization with reference to operator, therefore, operation
Professional threshold is high, is unfavorable in industry carrying out scale popularization, and the opening of business, the investigation of failure is required for by special biography
Defeated network management system, it is unfavorable for carrying out building for integrated operation platform, and this problem is then not present in boxlike DCI transmission equipments.
Channel join-splitting device, i.e. MUX/DEMUX, it will be connected with line side optical cross-matrix equipment 130.Channel join-splitting device and circuit
Sidelight cross matrix equipment 130 is engaged to substitute the ROADM in the OTN network architectures.
In thus obtained data center's Transmission system, control is realized there is multiple websites 100 and to website 100
Controller, the network architecture for carrying miscellaneous service just can be realized from there through being formed integral with one another.
Network hardware equipment in controller driving website builds completion by the scheduling of internal port and the path of photosphere
Business is built, and runs business in data center's Transmission system.
By the setting of hardware view as described above, boxlike DCI transmission equipments are coordinated to replace using optical cross-connection equipment
For the electric cross matrix equipment in the OTN network architectures, channel join-splitting device is coordinated to substitute OTN network racks using optical cross-connection equipment
ROADM in structure, the optimization of the network architecture is thus achieved, had compared to the OTN network architectures very big
Cost advantage, for example, being accomplished that branch line unifies scheme by the equipment of hardware view as described above, compared to OTN nets
For the scheme for the branch line separation that network framework is realized, cost savings 15%.
Further, for coordinating boxlike DCI transmission equipments to carry out network interworking using optical cross-connection equipment, and substitute
Traditional OTN transmission equipments, and then the flexible dispatching of overall architecture is realized, adapt to data center's Transmission system networking each side
Demand.
Because the scheduling of above-mentioned realization will be photosphere scheduling, therefore, under scape in the whole field, compared to passing through in the OTN network architectures
The scheme that ROADM is realized by save 40% cost.
It should be noted that optical cross-connection equipment as described above and boxlike DCI transmission equipments are not specified specific
Supplier, the network hardware equipment of function and performance requirement required for satisfaction can be used in carrying out networking.
Specifically, it is necessary to meet following functions requirement for optical cross-connection equipment：
（1）Basic environment can be adapted in power supply, heat dissipation design；
（2）Enough port densities are provided, and foundation connection between any discrepancy port, unrelated wavelength can be realized；
（3）Abundant northbound interface is provided, meets dispatching requirement.
, it is necessary to meet following functions requirement for boxlike DCI transmission equipments：
（1）Separate unit boxlike DCI transmission equipments are highly 1 ~ 3RU, and basic environment can be adapted on power supply, heat dissipation design；
（2）Simple optical fiber transimissible bandwidth is not less than 1.6T；
（3）Single device line side bandwidth fan-out capability is not less than 0.8T/1U or 1.6T/2 ~ 3U；
（4）Branch line unifies mode, without electric interleaving function.
The network hardware equipment being arbitrarily consistent with above-mentioned functional requirement can be used in realizing building for the above-mentioned network architecture.
It should be further stated that if optical cross-connection equipment can not meet that an equipment covering is complete in density aspect
The client port in portion or the access demand of light direction, then it can be met by carrying out the packet of optical cross-connection equipment using design
Integral extension ability in system.
In another embodiment, preset southbound interface in controller as described above, the southbound interface are used to be controlled
Device processed docks with other controllers, and then is easy to be docked with each manufacturer's controller, wherein, it can use pcep
(Path Computation Element Protocol, path computation protocols), gmpls（Generalized
Multiprotocol Label Switching, general multiple protocols mark exchange agreement）Or openflow protocol realizations.
Pass through system as described above, it is proposed that a kind of wavelength-division system framework suitable for data center's networking, without entering
Quick landing can be achieved in row transformation, greatly accelerates from the speed for being planned for delivering, thus, it is possible on a large scale should in follow-up realize
With, be easy to landing realize.
It should be strongly noted that data center's Transmission system as described above is designed using biplane, to prevent key
Equipment fault or catastrophic failure cause whole framework to be paralysed, and business will be uniformly distributed on a different plane, lift integrated stand
The reliability of structure.
In one embodiment, the implementation method controlled in a kind of data center's Transmission system, institute have been also correspondingly provided
State method as shown in figure 4, including：
Step 410, business granting instruction is obtained in data center's Transmission system.
For data center's Transmission system as shown in above-mentioned embodiment, it is that network hardware equipment as described above is formed,
And then provide the network architecture for being capable of bearer service.
Business granting instructs builds for triggering the business in the network architecture that carries out, and then to be able to reality in the network architecture
Now business is open-minded.Wherein, signified business is Internet service.For example, instructed by business granting to realize at a station
Point is to required business is established between another website, so as to be that can access established business by this website.
In the network architecture that data center's Transmission system as described above is provided, business granting will be obtained in key-course
Instruction, in order to trigger building for carry out business.
Step 430, it is related according to network hardware equipment institute in website and website movable in data center's Transmission system
Resource information carry out business granting instruction path computing obtain introductory path.
Resource information is used for globally shared and unused resources the scheduling for realizing resource in data center's Transmission system.
Wherein, the client side port of business, board, the network hardware are implemented for based on signified resource in facility aspect to set
Standby, radio frequency channel etc..
By resource information, it is untapped on the one hand can to know that data center's Transmission system is currently able to share out
Client side port, untapped board and untapped radio frequency channel etc.；On the other hand, in data center's Transmission system resource
When being discharged, the resource currently discharged can be known, in order to re-start the distribution of resource and use.
The path computing of business granting instruction refers to calculating in available resource to realize certain business
Obtain the process of introductory path.
Thus, according to the related money of network hardware equipment in website and website movable in data center's Transmission system
Source information, it just can obtain realizing the introductory path of business in the website possessed unused resources of activity, and
The reliability and accuracy in path obtained by guarantee.
Just can realize the scheduling in data center's Transmission system by resource information, so can flexible design radio frequency channel it is superfluous
Remaining and equipment redundancy, on the one hand, when ensureing that line side is scheduled between any website of the whole network, can have vacant wavelength can
With；On the other hand, for circumvention device hardware fault, it is necessary to laying in a certain amount of equipment carries out redundancy, when ensureing that failure occurs,
Can quick heavy-route, still, in the presence of resource information, without needing to be equipped with excessive hardware resource, you can realize efficient
Redundant ability.
Step 450, the path for business being carried out according to the path drives associated network hardware equipment being calculated is built, and is driven
Network hardware equipment be distributed in activity website.
After business granting is calculated and instructs related path, it will be established according to coordinates measurement business is calculated
Instruction, associated network hardware equipment is issued to by pecp or gmpls agreements, and then cause associated network hardware equipment in institute
The path build process of business is performed under the order-driven that the business received is established.
Wherein, it is that relate to multiple movable websites to be built by the service path carried out according to the path being calculated
, therefore corresponding, the network hardware equipment driven is also by respectively in multiple movable websites, and then side can
Ensure the completion that service path is built.
Step 470, the business is opened in data center's Transmission system by the path built.
Build just to activate the service in data center's Transmission system by the path of completion and provide corresponding to instruction
Business, and then cause the network architecture that data center's Transmission system is provided to realize the carrying of business, and refer to according to business granting
Make the access service for enabling the website specified to provide business.
By process as described above, for causing data center's Transmission system to possess scheduling of resource ability, to pass through money
Realizing to build path for the realization of business for source scheduling, thus will be easy to realize various industry in data center's Transmission system
Business, and by opening for business is realized according to the path computing that resource information is carried out, therefore, even if data center
The business carried in the network architecture of system is more and more, also will not be to producing immense pressure.
In one embodiment, method as described above is as shown in Figure 5, in addition to：
Step 510, the hardware information and business information that website reports in data center's Transmission system are received.
There is a large amount of websites in data center's Transmission system, and website will all carry out own hardware information and business letter
Breath reports, in order to know the service condition of network hardware equipment and unused situation in website according to hardware information, according to
Business information knows the operation situation of business in the station.
Step 530, the hardware information and business information reported according to website carries out finish message and obtains resource information, and deposits
Store up resource information.
After receiving and obtaining hardware information that website reports and business information, finish message is just carried out, to realize data
Resource identification and the purpose of management, obtain corresponding resource information in central transmission system.
, wherein it is desired to explanation, signified progresss finish message and obtain resource information and store process, one side
Refer to being initialized in data center's Transmission system and obtaining the process of initial resource information；On the other hand refer to counting
According to the process for updating resource information in central transmission system with the operation of miscellaneous service.
The dynamic that resource information is just realized by this process updates, and then is provided flexibly for data center's Transmission system
Dispatching, flexibly to realize the open-minded of business in data center's Transmission system.
In another embodiment, method as described above is as shown in fig. 6, also include：
Step 610, the device fault information that receiving station reports.
When network hardware equipment breaks down, the website where it will report corresponding device fault information to key-course,
So that key-course in data central transmission system can be quickly to generation equipment fault respond.
Specifically, it will be by pcep or gmpls protocol realizations that carried out device fault information, which reports,.Equipment event
Barrier information is for the part in the network hardware equipment or network hardware equipment to breaking down, such as physical interface, board.
By the device fault information can learn in time resource in be transformed to the resource of down state.
Step 630, obtained according to device fault information in data center's Transmission system by the business of fault impact.
The device fault information reported by website just can be known currently is transformed to down state there occurs failure
Resource, now, by the further business for obtaining and being carried by the resource, the business of acquisition is data center's Transmission system
In by fault impact business, now, the business of acquisition is by fault impact by can not normal operation.
Step 650, path computing is carried out for business, and generates the corresponding re-routing instructions of path computing, pass through weight road
Heavy-route action is performed by order-driven associated network hardware equipment.
For the business by fault impact, this business on the one hand will be directly interrupted, to wait fault recovery；The opposing party
Face, roadblock heavy-route function will be initiated, to be current by the business of fault impact again path planning, and then according to this path
The business interrupted by fault impact re-establishes business, recovers the business interrupted.
Specifically, for the key-course of data center's Transmission system, by for by the business of fault impact progress path
Calculate, obtain being different from another path of current path, and generate corresponding re-routing instructions.
By issuing for re-routing instructions, to drive associated network hardware equipment to perform weight by acting, and then industry is completed
The process that business is established.
Pass through process as described above so that data center's Transmission system can know what infrastructure layer was occurred in time
Failure, and to this progress quick response, he and then the failure for avoiding generation causes very big influence to the business of carrying, so as to
The reliability and robustness of service bearer in data center's Transmission system are ensured.
Further, in the present embodiment, step 650 as shown in fig. 7, comprises：
Step 651, the heavy-route attribute-bit of business is obtained, is judged whether to carry out business on weight road according to heavy-route attribute-bit
By if it has, then entering step 653, if it has not, not processing then.
The key-course of data center's Transmission system is in advance the corresponding heavy-route mark of business configuration of carrying, heavy-route
Attribute-bit is used to indicate whether need to carry out heavy-route to business when breaking down.
Thus the heavy-route of initiation business is just judged whether according to the heavy-route attribute-bit of business, and then passes through weight road
By mode recover the business currently interrupted.
Step 653, triggering carries out path computing, and generates re-routing instructions according to path computing.
When triggering the path computing of carry out business according to the heavy-route attribute of business, calculated with aforesaid paths similar
, it will be calculated according to resource information come realizing route, to obtain new path, and then accordingly generate re-routing instructions.
Step 655, re-routing instructions are issued, drive associated network hardware equipment in website to perform weight by re-routing instructions
Routing actions, to recover the business by fault impact.
Re-routing instructions are issued to the network hardware equipment of correlation, to drive network hardware equipment real by re-routing instructions
The heavy-route of existing business, and then recover the business interrupted due to failure.
By process as described above, the roadblock heavy-route work(of business will be realized under the control of heavy-route attribute-bit
Can, due to this process be automation realize, and and do not need operation personnel intervention, therefore, for data center's Transmission system
For the service bearer of the middle network architecture, the fault recovery of business can be quickly realized.
In other words, user defines whether to need the function of opening heavy-route according to the actual conditions of business, i.e. setting weight
Routing property identifies, if opening the function of heavy-route, is opened automatically for definition when failure causes service disconnection
The business for opening heavy-route function establishes a kind of path temporarily, quickly realizes fault recovery.
In another embodiment, method as described above also includes：
The topology information that receiving station reports, Topology Discovery is performed according to topology information, number is safeguarded by the execution of Topology Discovery
According to the network topology in central transmission system.
Need to illustrate first, the network topology in data center's Transmission system is formed by the website of activity.
To realize topology discovery function, in data center's Transmission system, pass through pecp or gmpls agreements and carried out with each website
Consult, to report topology information by website, and then enable key-course to realize Topology Discovery work(in the presence of topology information
Energy.
By process as described above, the maintenance of website in data center's Transmission system, Jin Erbao can will be in real time carried out
The reliability for the network architecture that Zheng Liao data centers Transmission system is provided.
In another embodiment, method as described above also includes：
Docked by preset northbound interface with the operation supporting platform built in data center Transmission system, support operation
Application in support platform.
Preset northbound interface be standard northbound interface.In data center's Transmission system, pass through the operation support built
Platform realizes the offer of application platform, and operation supporting platform will realize the various functions of upper layer application as application, should
With the performance for greatly having expanded data center's Transmission system in aspect.
The solution of the present invention is elaborated with reference to a specific embodiment.In the embodiment, Fig. 8 shows this
The structure diagram of a website in inventive embodiments.The website is by customer side optical cross-matrix equipment 110 and circuit top-cross intersection
What matrix device 130 was realized, and conjunction corresponding to specified light direction will be docked to by specified OTU ports 201 therebetween
Channel-splitting filter（It is not shown）Specific wavelength port on, and then realize building for Layer Path.
By this structure, the networking of corresponding function and performance requirement will be disclosure satisfy that, but need to carry out matching somebody with somebody for software view
Close, i.e., the cooperation of the implementation method controlled in data center's Transmission system as described above.
Specifically, its software control platform framework realized is as shown in figure 9, to obtain being based on SDN（Software
Defined Network, software defined network）Software control platform.
The software control platform is made up of application layer, collaboration layer 330, key-course and infrastructure layer, and in key-course
In the presence of realize its various functions, and the northbound interface configured by key-course is the reality of various application functions in application layer
Support is now provided, that is, realizes configuration management, service management, statement analysis, operation instrument and alarm in operation supporting platform 310
The application functions such as monitoring.
Key-course will be realized by the logical SDN controllers 350 of number and transmission SDN controllers 370.The logical SDN controllers of number
350 and transmission SDN controllers 370 using as the controller of data center's Transmission system.Wherein, transmission SDN controllers will be used for
The function that realizing route calculating, Topology Discovery, resource management and instruction issue.
By software control platform framework as described above, the network rack realized in data center's Transmission system will be able to
Miscellaneous service is established in structure.For example, Figure 10 shows 5 looped networks of ABCDE in one embodiment, in 5 looped networks of this ABCDE
In, a business is needed between 49 ports of the optical switch matrix equipment that 25 ports of an optical switch matrix equipment at A stations are stood to D
100G business is established, now, the λ that needs to use A-C-D will be calculated according to business demand under controller action
12 wavelet length 2 realized, now, according to resource information, confirmation can be used to A and stood the 15th boxlike DCI transmission equipment second
Second port of block board, D stand second port of the 1st piece of board of the 23rd boxlike DCI transmission equipment.
The instruction that corresponding business is established is generated, and issues the customer side optical cross-matrix equipment for being given to A stations, and by a light
25th port of switch matrix equipment, i.e. line side optical cross-matrix equipment and it is connected to the 15th boxlike DCI transmission equipment the
Second port of two pieces of boards carries out interconnection；
The instruction that issuing service is established is given to the customer side optical cross-matrix equipment at D stations, by an optical switch matrix equipment, i.e. circuit
49th port of sidelight cross matrix equipment and connection the 4th piece of board second port of the 23rd boxlike DCI transmission equipment are handed over
Fork connection, thus can finishing service it is open-minded.
It follows that pass through the reality controlled in data center's Transmission system as described above and data center's Transmission system
Now by the quick foundation that can realize business and reliable carrying, possesses higher framework stability.
In addition, for realization and management for business, compared with the prior art, and need not be carried out on wavelength-division webmaster numerous
Trivial operation, it is only necessary to which carrying out simple operations on operation supporting platform can complete, and significantly reduce operation management threshold.
And due to possessing flexible dispatching, thus can flexibly realize the business between any customer interface establish and
Change.
In the network architecture of the realization of data center's Transmission system as described above, construction is greatly simplified, and make
The dilatation work obtained subsequently can simplify significantly, the completion planning and dilatation work that operation team can be simple and quick.
Referring to Figure 11, Figure 11 is a kind of controller architecture schematic diagram provided in an embodiment of the present invention.The controller 700 can be because
Configuration or performance are different and produce bigger difference, can include one or more central processing units（central
Processing units, CPU）722（For example, one or more processors）With memory 732, one or more
Store the storage medium 730 of application program 742 or data 744（Such as one or more mass memory units）.Wherein, deposit
Reservoir 732 and storage medium 730 can be of short duration storage or persistently storage.Being stored in the program of storage medium 730 can include
One or more modules（Diagram is not shown）, each module can be including operating to the series of instructions in server.More
Further, central processing unit 722 be could be arranged to communicate with storage medium 730, and storage medium is performed on controller 700
Series of instructions operation in 730.Controller 700 can also include one or more power supplys 726, one or more
Wired or wireless network interface 750, one or more input/output interfaces 758, and/or, one or more operations
System 541, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM etc..Above-mentioned institute
Show that the step of being performed in embodiment can be based on the controller architecture shown in the Figure 11.
In one embodiment, the realization device controlled in a kind of data center's Transmission system has been also correspondingly provided, such as
Shown in Figure 12, including instruction acquisition module 810, path calculation module 830, business build module 850 and service fulfillment module
870, wherein：
Instruction acquisition module 810, for obtaining business granting instruction in data center's Transmission system.
Path calculation module 830, for hard according to network in website and website movable in data center's Transmission system
The path computing that the related resource information of part equipment carries out business granting instruction obtains respective paths.
Business builds tool 850, for carrying out the road of business according to the path drives associated network hardware equipment being calculated
Footpath is built, and the network hardware equipment of driving is distributed in the website of activity.
Service fulfillment module 870, activated the service for the path by building in data center's Transmission system
In one embodiment, as shown in figure 13, device as described above also includes receiving module 910 and finish message module
930, wherein：
Receiving module 910, for receiving the hardware information and business information that website reports in data center's Transmission system.
Finish message module 930, hardware information and business information for being reported according to website carry out finish message and obtained
Resource information, and storage resource information.
In another embodiment, as shown in figure 14, device as described above also include fault message receiving module 1010,
Scope of business module 1030 and heavy-route module 1050, wherein：
Fault message receiving module 1010, the fault message reported for receiving station.
Scope of business module 1030, for being obtained according to device fault information in data center's Transmission system by fault impact
Business.
Heavy-route module 1050, for carrying out path computing for business, and generate the corresponding heavy-route of path computing and refer to
Order, drive associated network hardware equipment to perform heavy-route by re-routing instructions and act.
Further, in the present embodiment, as shown in figure 15, heavy-route module 1050 include mark acquiring unit 1051,
Re-routing instructions generation unit 1053 and instruction issuance unit 1055, wherein：
Mark acquiring unit 1051, for obtaining the heavy-route attribute-bit of business, judged whether according to heavy-route attribute-bit
Heavy-route is carried out to business, if it has, then notice re-routing instructions generation unit 1053, if it has not, not processing then.
Re-routing instructions generation unit 1053, path computing is carried out for triggering, and heavy-route is generated according to path computing
Instruction.
Issuance unit 1055 is instructed, for issuing re-routing instructions, network of relation in website is driven by re-routing instructions
Hardware device performs heavy-route action, to recover the business by fault impact.
In another embodiment, device as described above also includes topological processing module, and the topological processing module is used for
The topology information that receiving station reports, Topology Discovery is performed according to topology information, safeguarded by the execution of Topology Discovery in data
Network topology in heart Transmission system.
In another embodiment, device as described above also includes applying support module, and this is used for using support module
Docked by what preset northbound interface was carried out with the operation supporting platform built in data center Transmission system, support operation branch
Support the application in platform.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Although describing the present invention with reference to several exemplary embodiments, it is to be understood that, term used be explanation and
Exemplary and nonrestrictive term.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above-mentioned embodiment is not limited to any foregoing details, and should be limited in appended claims
Widely explained in spirit and scope, thus the whole changes fallen into claim or its equivalent scope and remodeling all should be with
Attached claim is covered.
Claims (16)
1. a kind of data center's Transmission system, it is characterised in that including multiple websites and controller, the website includes several
Network hardware equipment, the network hardware equipment are respectively：
Customer side optical cross-matrix equipment, it is used to dock the client side interface in designated equipment；
Line side optical cross-matrix equipment, it is used to carry out the path of photosphere and built；
Transmission equipment, it connects the customer side optical cross-matrix equipment and line side optical cross-matrix equipment respectively；
Channel join-splitting device, it is connected with the line side optical cross-matrix equipment；
The controller drives the network hardware equipment in the website to be built by the scheduling of internal port and the path of photosphere
Finishing service is built, and runs the business in data center's Transmission system.
2. system according to claim 1, it is characterised in that the customer side optical cross-matrix equipment is optical cross connect
Equipment.
3. system according to claim 1, it is characterised in that the line side optical cross-matrix equipment is optical cross connect
Equipment or ROADM.
4. system according to claim 1, it is characterised in that preset southbound interface in the controller, the south orientation connect
Mouthful it is used to carry out docking for the controller and other controllers.
A kind of 5. implementation method controlled in data center's Transmission system, it is characterised in that including：
Data center's Transmission system obtains business granting instruction；
Believed according to the related resource of network hardware equipment in website and website movable in data center's Transmission system
The path computing of breath carry out business granting instruction obtains respective paths；
The path that business is carried out according to the path drives associated network hardware equipment being calculated is built, the net of driving
Network hardware device is distributed in the movable website；
The business is opened in data center's Transmission system by the path built.
6. according to the method for claim 5, it is characterised in that methods described also includes：
Receive the hardware information and business information that website reports in data center's Transmission system；
The hardware information and business information reported according to the website carries out finish message and obtains resource information, and stores the money
Source information.
7. according to the method for claim 5, it is characterised in that methods described also includes：
Receive the device fault information that the website reports；
Obtained according to the device fault information in data center's Transmission system by the business of fault impact；
Path computing is carried out for the business, and generates the corresponding re-routing instructions of the path computing, passes through the heavy road
Heavy-route action is performed by order-driven associated network hardware equipment.
8. according to the method for claim 7, it is characterised in that it is described to carry out path computing for the business, and generate institute
The corresponding re-routing instructions of path computing are stated, drive associated network hardware equipment to perform heavy-route by the re-routing instructions
The step of action, includes：
The heavy-route attribute-bit of the business is obtained, judges whether to carry out the business according to the heavy-route attribute-bit
Heavy-route, if it has, then
Triggering carries out path computing, and generates the re-routing instructions according to the path computing；
The re-routing instructions are issued, drive associated network hardware equipment in website to perform heavy-route by the re-routing instructions
Action, to recover the business by fault impact.
9. according to the method for claim 5, it is characterised in that methods described also includes：
The topology information that receiving station reports, Topology Discovery is performed according to the topology information, passes through holding for the Topology Discovery
Row safeguards the network topology in data center's Transmission system.
10. according to the method for claim 5, it is characterised in that methods described also includes：
Docked, propped up by what preset northbound interface was carried out with the operation supporting platform built in data center's Transmission system
Hold the application in the operation supporting platform.
A kind of 11. realization device controlled in data center's Transmission system, it is characterised in that including：
Instruction acquisition module, for obtaining business granting instruction in data center's Transmission system；
Path calculation module, for being set according to the network hardware in website and website movable in data center's Transmission system
The path computing that standby related resource information carries out business granting instruction obtains respective paths；
Business builds module, for carrying out the path of business according to the path drives associated network hardware equipment being calculated
Build, the network hardware equipment of driving is distributed in the movable website；
Service fulfillment module, the business is opened in data center's Transmission system for the path by building.
12. device according to claim 11, it is characterised in that described device also includes：
Receiving module, for receiving the hardware information and business information that website reports in data center's Transmission system；
Finish message module, hardware information and business information for being reported according to the website carry out finish message and obtain resource
Information, and store the resource information.
13. device according to claim 11, it is characterised in that described device also includes：
Fault message receiving module, the fault message reported for receiving the website；
Scope of business module, for being obtained according to the device fault information in data center's Transmission system by fault impact
Business；
Heavy-route module, for carrying out path computing for the business, and generate the corresponding heavy-route of the path computing and refer to
Order, drive associated network hardware equipment to perform heavy-route by the re-routing instructions and act.
14. device according to claim 13, it is characterised in that the heavy-route module includes：
Mark acquiring unit, for obtaining the heavy-route attribute-bit of the business, judged according to the heavy-route attribute-bit
Whether heavy-route is carried out to the business, if it has, then notice re-routing instructions generation unit；
The re-routing instructions generation unit, which is used to trigger, carries out path computing, and generates the heavy road according to the path computing
By instructing；
Issuance unit is instructed, for issuing the re-routing instructions, network of relation in website is driven by the re-routing instructions
Hardware device performs heavy-route action, to recover the business by fault impact.
15. device according to claim 11, it is characterised in that described device also includes：
Topological processing module, the topology information reported for receiving station, Topology Discovery is performed according to the topology information, passed through
The network topology in data center's Transmission system is safeguarded in the execution of the Topology Discovery.
16. device according to claim 11, it is characterised in that described device also includes：
Using support module, for the operation support by being built in preset northbound interface and data center's Transmission system
The docking that platform is carried out, supports the application in the operation supporting platform.
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