CN107359938B - 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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- CN107359938B CN107359938B CN201610301113.4A CN201610301113A CN107359938B CN 107359938 B CN107359938 B CN 107359938B CN 201610301113 A CN201610301113 A CN 201610301113A CN 107359938 B CN107359938 B CN 107359938B
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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
Abstract
The present invention provides a kind of data center's Transmission systems, including multiple websites and controller, the website includes several network hardware equipments, and the network hardware equipment is respectively as follows: customer side optical cross-matrix equipment, is used to dock the client side interface in designated equipment；Line side optical cross-matrix equipment, the path for being used to carry out photosphere are built；Transmission device is separately connected the customer side optical cross-matrix equipment and line side optical cross-matrix equipment；Channel join-splitting device 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 builds, and runs the business in data center's Transmission system.In addition, also providing the implementation method controlled in the system that a kind of and system matches and device.The implementation method and device that control 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, in particular to the realization that is controlled in a kind of data center's Transmission system, system
Method and apparatus.
Background technique
With the development of the network architecture, the Internet service that the existing network architecture is carried is more and more, and then exists
Type of service multiplicity and the huge situation of flow demand.
The existing network architecture is the relevant OTN(Optical Transport Network of ITU-T, optical transfer network) net
G.872 network framework, the standard used include；G.798.1；G.798；G.709；G.672；G.680.
As shown in Figure 1, the OTN network architecture is intersected using electricity and light intersects progress mixed networking, wherein light intersects square
Battle array equipment mostly uses greatly reconfigurable optical add/drop multiplexer, and electric cross matrix equipment is with ODUkIt mapped, be multiplexed and handed over for particle
Fork, and then the mixed networking realized in this way will provide dispatching for the realization of business in the OTN network architecture.
However, in the OTN network architecture, since optical cross-matrix equipment uses reconfigurable optical add/drop multiplexer (ROAM), because
This major defect high there is networking complexity.
For example, as shown in Figure 2, by taking more common 9 dimension WSS ROAM at present as an example, set up 3 local dimensions+4
The network of light direction needs to set up the difficulty with follow-up maintenance not less than 37 photosphere components and 282 optical fiber connection relations
It is all very big.
Summary 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 provide the implementation method controlled in a kind of data center's Transmission system, the method can drop
The difficulty of low network construction and follow-up maintenance.
In addition, there is a need to provide the realization device 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, 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 hardwares
Equipment, the network hardware equipment are respectively as follows:
Customer side optical cross-matrix equipment, is used to dock the client side interface in designated equipment；
Line side optical cross-matrix equipment, the path for being used to carry out photosphere are built；
Transmission device is separately connected the customer side optical cross-matrix equipment and line side optical cross-matrix equipment；
Channel join-splitting device is connected with the line side optical cross-matrix equipment；
The controller drives the network hardware equipment in the website to pass through the scheduling of internal port and the path of photosphere
It builds finishing service to build, and runs the business in data center's Transmission system.
A kind of implementation method controlled in data center's Transmission system, comprising:
Business granting instruction is obtained in data center's Transmission system；
According to the relevant money of network hardware equipment institute in movable website in data center's Transmission system and website
The path computing that source information carries out business granting instruction obtains respective paths；
It is built according to the path that the path drives associated network hardware equipment being calculated carries out business, the institute of driving
It states network hardware equipment and 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, comprising:
Instruction acquisition module, for obtaining business granting instruction in data center's Transmission system；
Path calculation module, for hard according to network in movable website in data center's Transmission system and website
Part equipment relevant resource information carry out the path computing of business granting instruction and obtain respective paths；
Business builds module, for carrying out business according to the path drives associated network hardware equipment being calculated
Path is built, and the network hardware equipment of driving is distributed in the movable website；
Service fulfillment module opens the industry in data center's Transmission system for the path by building
Business.
As shown from the above technical solution, data center's Transmission system provides the network architecture, Internet-based to carry
Various businesses include multiple websites and controller in this data center's Transmission system, and the network hardware for including in website is set
Standby respectively customer side optical cross-matrix equipment, line side optical cross-matrix equipment, transmission device 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 drive phase under the action of controller
Network hardware equipment finishing service is answered to build, the network architecture realized is due to only needing to carry out the company between network hardware equipment
It connects, connection relationship is relatively simple, therefore can greatly reduce the difficulty of network construction and follow-up maintenance, and then can accelerate from rule
Construction is drawn to the speed delivered.
Detailed description of the invention
Fig. 1 is the mixed networking schematic diagram that electricity intersects in the OTN network architecture and light intersects；
Fig. 2 be Fig. 1 the OTN network architecture under set up 3 local+4 light directions of dimension network schematic diagram；
Fig. 3 is the structural schematic diagram of data center's Transmission system in one embodiment；
Fig. 4 is the flow chart of the implementation method controlled in data center's Transmission system in one embodiment；
Fig. 5 is the flow chart of the implementation method controlled in data center's Transmission system in another embodiment；
Fig. 6 is the flow chart of the implementation method controlled in data center's Transmission system in another embodiment；
Fig. 7 is to carry out path computing in Fig. 6 for business, and generate the corresponding re-routing instructions of path computing, passes through weight
Route instruction drives associated network hardware equipment to execute the method flow diagram that heavy-route acts；
Fig. 8 is the structure schematic diagram of a website in one embodiment；
Fig. 9 is the schematic diagram of software control platform architecture 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 schematic diagram of the realization device controlled in data center's Transmission system in one embodiment；
Figure 13 is the structural schematic diagram of the realization device controlled in data center's Transmission system in another embodiment；
Figure 14 is the structural schematic diagram of the realization device controlled in data center's Transmission system in another embodiment；
Figure 15 is the structural schematic diagram of heavy-route module in Figure 14.
Specific embodiment
The exemplary embodiment for embodying 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 variations in different embodiments, neither depart from the scope of the present invention, and theory therein
Bright and diagram inherently is illustrated as being used, rather than to limit the present invention.
As previously described, the existing OTN network architecture is carried out by electric cross matrix equipment and optical cross-matrix equipment
Mixed networking is realized.Electric cross matrix equipment power dissipation is high, is using telecommunications industry standard, is mostly 21 inches dedicated
Transmission cabinets, -48 volt direct current supplys design, the Design of ventilation of bottom in and top out, single equipment exceed the power consumption of 8KW, and in data
The environmental requirement of the heart are as follows: 19 inches of cabinets, Single Cabinet power dissipation design be less than 6KW, cold and hot channel separation, exhaust passage after advance,
220 volts of exchanges either high voltage direct current 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 heat dissipation the problems such as influenced and there is
Limitation, the capacity of single electric cross matrix equipment are 12.8T ~ 14.4T, by connect back-to-back design can achieve 25.6T ~
28.8T, and if then will will lead to and subsequent build cluster by electric layer cascade very expensive cost will be present.
Therefore, spy proposes a kind of data center's Transmission system, and the operation of the network architecture is avoided to there is expensive cost, 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, include multiple websites 100 and control
Device (not shown) processed, website 100 include several network hardware equipments, which is respectively that client's sidelight intersects
Matrix device 110, line side optical cross-matrix equipment 130, transmission device 150 and channel join-splitting device (not shown), in which:
Customer side optical cross-matrix equipment 110 is used to dock the client side interface in designated equipment, is responsible for completing wavelet
The logical interface of number is docked on the given client side interface of designated equipment by the scheduling of long grain, is referred to according to networking requirements realization
The connection of locking equipment.In one embodiment, client's top-cross cross matrix equipment 110 is optical cross-connection equipment (OXC equipment).
Path of the line side optical cross-matrix equipment 130 for entering light layer is built, by arbitrary OUT(Optical
Transform Unit, optical conversion element) port is docked on the specific wavelength port of the corresponding channel join-splitting device of specified light direction,
Or it will be on 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 the maximum extent.
Transmission device is for realizing between customer side optical cross-matrix equipment 110 and line side optical cross-matrix equipment 130
Connection.In one embodiment, transmission device is boxlike DCI(DataCenter Interconnect) transmission device.
For the relatively current used transmission device of boxlike DCI transmission device, due to current used transmission device
It is to be designed exclusively for operator early stage, construction and service mode are the usage scenario customization referring 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 by dedicated biography
Defeated network management system is unfavorable for carrying out building for integrated operation platform, and this problem is then not present in boxlike DCI transmission device.
Channel join-splitting device, i.e. MUX/DEMUX will be connected with line side optical cross-matrix equipment 130.Channel join-splitting device and route
Sidelight cross matrix equipment 130 matches to substitute the reconfigurable optical add/drop multiplexer in the OTN network architecture.
In thus obtained data center's Transmission system, control is realized there is multiple websites 100 and to website 100
Controller just can be realized the network architecture for carrying various businesses 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, replaced using optical cross-connection equipment cooperation boxlike DCI transmission device
For the electric cross matrix equipment in the OTN network architecture, channel join-splitting device is cooperated to substitute OTN network rack using optical cross-connection equipment
Reconfigurable optical add/drop multiplexer in structure, it is thus achieved that the optimization of the network architecture, has very big compared to the OTN network architecture
Cost advantage compares OTN net for example, the be accomplished that branch line of equipment by hardware view as described above unifies scheme
For the scheme for the branch line separation that network framework is realized, cost savings 15%.
Further, it for using optical cross-connection equipment cooperation boxlike DCI transmission device to carry out network interworking, and substitutes
Traditional OTN transmission device, and then realize the flexible dispatching of overall architecture, adapt to data center's Transmission system networking various aspects
Demand.
Since the scheduling of above-mentioned realization will be photosphere scheduling, under scape in the whole field, compared to passing through in the OTN network architecture
The scheme that reconfigurable optical add/drop multiplexer is realized by save 40% cost.
It should be noted that optical cross-connection equipment as described above and boxlike DCI transmission device are not specified specific
The network hardware equipment of supplier, function required for meeting and performance requirement can be used in carrying out networking.
Specifically, needing 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 is provided, and can be realized and establish connection, unrelated wavelength between any discrepancy port；
(3) abundant northbound interface is provided, dispatching requirement is met.
For boxlike DCI transmission device, need to meet following functions requirement:
(1) separate unit boxlike DCI transmission device height is 1 ~ 3RU, can be adapted to foundation ring on power supply, heat dissipation design
Border；
(2) simple optical fiber transimissible bandwidth is not less than 1.6T；
(3) bandwidth fan-out capability in single device line side 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 noted that if optical cross-connection equipment is unable to satisfy an equipment covering entirely in density level
The client port in portion or the access demand of light direction can then be met by carrying out the grouping 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 is for being controlled
Device processed is docked with other controllers, and then convenient for being docked with each manufacturer's controller, wherein pcep can be used in it
(Path Computation Element Protocol, path computation protocols), gmpls(Generalized
Multiprotocol Label Switching, general multiple protocols mark exchange agreement) or openflow protocol realization.
By system as described above, propose a kind of wavelength-division system framework suitable for data center's networking, without into
Quick landing can be realized in row transformation, greatly accelerates from the speed for being planned for delivering, thus, it is possible to answer on a large scale in subsequent realization
With being easy to land realization.
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 entire framework to be paralysed, and business will be uniformly distributed on a different plane, promote 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
It is as shown in Figure 4 to state method, comprising:
Step 410, business granting instruction is obtained in data center's Transmission system.
Data center's Transmission system is that network hardware equipment as described above is formed by as shown in above-described embodiment,
And then provide the network architecture for capableing of bearer service.
Business granting instruction is built for trigger business in the progress network architecture, so that be able to reality in the network architecture
Now business is open-minded.Wherein, signified business is Internet service.For example, being instructed by business granting to realize and stand at one
Point business to required for being established between another website, to be that can access established business by this website.
In the network architecture provided by data center's Transmission system as described above, business granting will acquire in control layer
Instruction, in order to trigger building for carry out business.
Step 430, related according to network hardware equipment institute in website movable in data center's Transmission system and website
Resource information carry out business granting instruction path computing obtain introductory path.
Resource information for realizing resource in data center's Transmission system globally shared and unused resources scheduling.
Wherein, signified resource is that the client side port that business is implemented in basic facility level, board, the network hardware are set
Standby, radio frequency channel etc..
By resource information, it is not used on the one hand can to know that data center's Transmission system is currently able to share out
Client side port, not used board and not used 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 and use of resource.
The path computing of business granting instruction refers to calculating in available resource to realize certain business
Obtain the process of introductory path.
As a result, according to the relevant money of network hardware equipment institute in website movable in data center's Transmission system and website
Source information just can obtain can be realized the introductory path of business in the unused resources that movable website has, and
The reliability and accuracy in path obtained by guaranteeing.
Just can be realized 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 guaranteeing that line side is scheduled between any website of the whole network, can have vacant wavelength can
With；On the other hand, it for circumvention device hardware fault, needs to lay in a certain amount of equipment and carries out redundancy, when guaranteeing that failure occurs,
Can quick heavy-route still under the action of resource information, woth no need to be equipped with excessive hardware resource, can be realized efficient
Redundant ability.
Step 450, it is built, is driven according to the path that the path drives associated network hardware equipment being calculated carries out business
Network hardware equipment be distributed in movable website.
After the relevant path of business granting instruction institute is calculated, it will be established according to coordinates measurement business is calculated
Instruction, associated network hardware equipment is issued to by pecp or gmpls agreement, so that associated network hardware equipment is in institute
The path build process of business is executed under the order-driven that the business received is established.
Wherein, being built by the service path carried out according to the path being calculated is to relate to multiple movable websites
, therefore corresponding, the network hardware equipment driven also will be respectively in multiple movable websites, and then side can
Ensure the completion that service path is built.
Step 470, which is opened in data center's Transmission system by the path built.
It builds just to activate the service in data center's Transmission system by the path of completion and provide corresponding to instruction
Business so that the network architecture provided by data center's Transmission system realizes the carrying of business, and refers to according to business granting
It enables so that specified website is capable of providing the access service of business.
By process as described above, for making data center's Transmission system have scheduling of resource ability, to pass through money
The realization of source scheduling builds path come the realization for business, thus will be convenient for realizing various industry in data center's Transmission system
Business, and since opening for business is realized according to the path computing that resource information is carried out, even if data center
The business carried in the network architecture of system is more and more, will not be to generation immense pressure.
In one embodiment, method as described above is as shown in Figure 5, further includes:
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 reception obtains the hardware information that website reports and business information, finish message is carried out, just to realize data
The purpose of resource identification and management in central transmission system, obtains corresponding resource information.
Wherein, it should be noted that signified progress finish message and the process that obtains resource information and store, on the one hand
It refers to being initialized in data center's Transmission system and obtains the process of initial resource information；On the other hand it refers to counting
According to the process for updating resource information in central transmission system with the operation of various businesses.
It is updated by the dynamic that this process just realizes resource information, 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 Figure 6, further includes:
Step 610, the device fault information that receiving station reports.
When network hardware equipment breaks down, where website corresponding device fault information will be reported to control layer,
So that the control layer in data center's Transmission system can quickly respond the equipment fault of generation.
Specifically, it will be by pcep gmpls protocol realization that carried out device fault information, which reports,.Equipment event
Hinder information to be used for the component in the network hardware equipment or network hardware equipment to break 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, the business influenced in data center's Transmission system by failure is obtained according to device fault information.
The device fault information reported by website, which just can be known, currently to be had occurred failure and is transformed to down state
Resource, at this point, the business of acquisition is data center's Transmission system by the further business for obtaining and being carried by the resource
In the business that is influenced by failure, at this point, the business obtained is influenced by failure 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 movement is executed by order-driven associated network hardware equipment.
For the business influenced by failure, this business will be interrupted, directly on the one hand to wait fault recovery；Another party
Face will initiate roadblock heavy-route function, for the business that is influenced by failure again planning path, and then be current according to this path
The business for being influenced and interrupting by failure re-establishes business, restores the business interrupted.
Specifically, for the control layer of data center's Transmission system path will be carried out for the business influenced by failure
It calculates, obtains another path for being different from current path, and generate corresponding re-routing instructions.
It is heavy by acting to execute to drive associated network hardware equipment by issuing for re-routing instructions, and then complete industry
The process that business is established.
By process as described above, data center's Transmission system timely learning infrastructure layer is occurred
Failure, and quick response is carried out to this, and then the failure for avoiding generation causes very big influence to the business of carrying, thus
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 for obtaining business judges whether to carry out business according to heavy-route attribute-bit
Heavy-route, if it has, then progress rapid 653, if it has not, being then not processed.
The control layer of data center's Transmission system has been the corresponding heavy-route mark of business configuration of carrying, heavy-route in advance
Attribute-bit is used to indicate whether need to carry out heavy-route to business in the event of a failure.
Thus just according to the heavy-route attribute-bit of business to determine whether initiate business heavy-route, and then by weight road
By mode restore 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
, to obtain new path, and then re-routing instructions will be accordingly generated according to resource information come realizing route calculating.
Step 655, re-routing instructions are issued, drive associated network hardware equipment in website to execute weight by re-routing instructions
Routing actions, to restore the business influenced by failure.
Re-routing instructions are issued to relevant network hardware equipment, to drive network hardware equipment real by re-routing instructions
The heavy-route of existing business, and then restore the business interrupted due to failure.
By process as described above, the roadblock heavy-route function of business will be realized under the control of heavy-route attribute-bit
Can, since this process is that automation is realized, and does not need operation personnel's intervention, therefore, for data center's Transmission system
For the service bearer of the middle network architecture, the fault recovery of business can be fast implemented.
In other words, user defines whether to need to open the function of heavy-route according to the actual conditions of business, i.e. setting weight
Routing property mark is that definition is opened when failure leads to service disconnection if opening the function of heavy-route automatically
The business for opening heavy-route function temporarily establishes a kind of path, fast implements fault recovery.
In another embodiment, method as described above further include:
The topology information that receiving station reports executes Topology Discovery according to topology information, executes dimension by Topology Discovery
Protect the network topology in data center's Transmission system.
It needs to illustrate first, the network topology in data center's Transmission system is formed by by movable website.
To realize topology discovery function, in data center's Transmission system, passes through pecp or gmpls agreement and each website carries out
Negotiate, to report topology information by website, so that control layer can realize Topology Discovery function under the action of topology information
Energy.
By process as described above, will in real-time perfoming data center Transmission system website maintenance, Jin Erbao
The reliability of the network architecture provided by Zheng Liao data center Transmission system.
In another embodiment, method as described above further include:
It is docked, is supported by the operation supporting platform built in preset northbound interface and data center's Transmission system
Application in operation supporting 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 the various functions that operation supporting platform will realize upper layer application as application are answering
With the performance for greatly having expanded data center's Transmission system in level.
The solution of the present invention is elaborated below 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 intersected by customer side optical cross-matrix equipment 110 and route top-cross
What matrix device 130 was realized, and therebetween the corresponding conjunction of specified light direction will be docked to by the specified port OTU 201
On the specific wavelength port of channel-splitting filter (not shown), and then realize building for Layer Path.
Through this structure, the networking of corresponding function and performance requirement will be met, but need to carry out matching for software view
It closes, i.e., the cooperation of the implementation method controlled in data center's Transmission system as described above.
Specifically, its software control platform architecture realized is as shown in figure 9, to obtain based on SDN(Software
Defined Network, software defined network) software control platform.
The software control platform is made of application layer, collaboration layer 330, control layer and infrastructure layer, and in control layer
Under the action of realize its various function, and be the reality of various application functions in application layer by the northbound interface that control layer is configured
Support, i.e. configuration management, service management, statement analysis, operation tool and alarm in realization operation supporting platform 310 are now provided
The application functions such as monitoring.
Control layer will be realized by the logical SDN controller 350 of number and transmission SDN controller 370.The logical SDN controller of number
350 and transmission SDN controller 370 by the controller as data center's Transmission system.Wherein, transmission SDN controller will be used for
The function that realizing route calculating, Topology Discovery, resource management and instruction issue.
By software control platform architecture as described above, the network rack realized in data center's Transmission system will be able to
Various businesses are established in structure.For example, Figure 10 shows 5 looped networks of the ABCDE in one embodiment, in 5 looped networks of this ABCDE
In, a business needs between 49 ports of the optical switch matrix equipment that 25 ports of the A optical switch matrix equipment stood are stood to D
The business of a 100G is established, at this point, the λ needed using A-C-D will be calculated under controller action according to business demand
12 wavelet length 2 realizes, at this point, according to resource information, confirmation will use A and stand the 15th boxlike DCI transmission device second
Second port of block board, D stand second port of the 1st piece of board of the 23rd boxlike DCI transmission device.
The instruction that corresponding business is established is generated, and issues the customer side optical cross-matrix equipment for being given to the station A, and by a light
Switch matrix equipment, i.e. the 25th port of line side optical cross-matrix equipment and it is connected to the 15th boxlike DCI transmission device 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 the station D, by an optical switch matrix equipment, i.e.,
49th port of line side optical cross-matrix equipment and connection the 4th piece of board second port of the 23rd boxlike DCI transmission device into
Row interconnection, thus can be completed service fulfillment.
It follows that passing through the reality controlled in data center's Transmission system as described above and data center's Transmission system
The quick foundation and reliable carrying that will now realize business, have higher framework stability.
In addition, compared with the prior art, not needing to carry out on wavelength-division network management numerous for the realization of business and management
Trivial operation, it is only necessary to which carrying out simple operations on operation supporting platform can be completed, and significantly reduce operation management threshold.
And due to having flexible dispatching, the business between any customer interface of capable of flexibly realizing 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
Obtaining subsequent dilatation work can simplify significantly, the completion planning and dilatation work that operation team can be simple and quick.
It is a kind of controller architecture schematic diagram provided in an embodiment of the present invention referring to Figure 11, Figure 11.The controller 700 can be because
Configuration or performance are different and generate bigger difference, may include one or more central processing units (central
Processing units, CPU) 722(is for example, one or more processors) and memory 732, one or more
Store storage medium 730(such as one or more mass memory units of application program 742 or data 744).Wherein, it deposits
Reservoir 732 and storage medium 730 can be of short duration storage or persistent storage.The program for being stored in storage medium 730 may include
One or more modules (diagram is not shown), each module may include to the series of instructions operation in server.More
Further, central processing unit 722 can be set to communicate with storage medium 730, execute storage medium 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 executing in embodiment can be based on 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, in which:
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 movable in data center's Transmission system and website
Part equipment relevant resource information carry out the path computing of business granting instruction and obtain respective paths.
Business builds tool 850, for carrying out the road of business according to the path drives associated network hardware equipment being calculated
Diameter is built, and the network hardware equipment of driving is distributed in movable website.
Service fulfillment module 870 activates 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 further includes receiving module 910 and finish message mould
Block 930, in which:
Receiving module 910, the hardware information and business information that website reports in central transmission system for receiving data.
Finish message module 930, hardware information and business information for being reported according to website carry out finish message and obtain
Resource information, and storage resource information.
In another embodiment, as shown in figure 14, device as described above further include fault message receiving module 1010,
Scope of business module 1030 and heavy-route module 1050, in which:
Fault message receiving module 1010, the fault message reported for receiving station.
Scope of business module 1030, for obtaining being influenced in data center's Transmission system by failure according to device fault information
Business.
Heavy-route module 1050 for carrying out path computing for business, and generates the corresponding heavy-route of path computing and refers to
It enables, drives associated network hardware equipment to execute heavy-route movement by re-routing instructions.
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, in which:
Mark acquiring unit 1051 judges for obtaining the heavy-route attribute-bit of business according to heavy-route attribute-bit
Whether heavy-route is carried out to business, if it has, then notice re-routing instructions generation unit 1053, if it has not, being then not processed.
Re-routing instructions generation unit 1053 carries out path computing for triggering, and generates heavy-route according to path computing
Instruction.
Issuance unit 1055 is instructed, for issuing re-routing instructions, drives network of relation in website by re-routing instructions
Hardware device executes heavy-route movement, to restore the business influenced by failure.
In another embodiment, device as described above further includes topological processing module, which is used for
The topology information that receiving station reports executes Topology Discovery according to topology information, is safeguarded in data by the execution of Topology Discovery
Network topology in heart Transmission system.
In another embodiment, device as described above further includes using support module, this is used for using support module
It is docked by what the operation supporting platform built in preset northbound interface and data center's Transmission system carried out, supports operation branch
Support the application in platform.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, 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
Term exemplary, and not restrictive.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 embodiment is not limited to any of the foregoing details, and should be defined by the appended claims
The whole change and modification widely explained, therefore fallen into claim or its equivalent scope in spirit and scope all should be with
Attached claim is covered.
Claims (16)
1. a kind of data center's Transmission system, which is characterized in that including multiple websites and controller, the website includes several
Network hardware equipment, the network hardware equipment are respectively as follows:
Customer side optical cross-matrix equipment, is used to dock the client side interface in designated equipment；
Line side optical cross-matrix equipment, the path for being used to carry out photosphere are built；
Transmission device is separately connected the customer side optical cross-matrix equipment and line side optical cross-matrix equipment；
Channel join-splitting device is connected with the line side optical cross-matrix equipment；
The controller drives the network hardware equipment in the website to build 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, which is characterized in that the customer side optical cross-matrix equipment is optical cross connect
Equipment.
3. system according to claim 1, which is characterized in that the line side optical cross-matrix equipment is optical cross connect
Equipment or reconfigurable optical add/drop multiplexer.
4. system according to claim 1, which is characterized in that preset southbound interface in the controller, the south orientation connect
Mouthful for carrying out docking for the controller and other controllers.
5. the implementation method controlled in a kind of data center's Transmission system according to any one of claims 1-4, feature exist
In, comprising:
Data center's Transmission system obtains business granting instruction；
According to the relevant resource letter of network hardware equipment institute in movable website in data center's Transmission system and website
The path computing of breath carry out business granting instruction obtains respective paths；
It is built according to the path that the path drives associated network hardware equipment being calculated carries out business, 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 described in claim 5, it is characterized in that, the method 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 described in claim 5, it is characterized in that, the method also includes:
Receive the device fault information that the website reports；
The business influenced in data center's Transmission system by failure is obtained according to the device fault information；
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 movement is executed by order-driven associated network hardware equipment.
8. the method according to the description of claim 7 is characterized in that described carry out path computing for the business, and generating institute
The corresponding re-routing instructions of path computing are stated, drive associated network hardware equipment to execute heavy-route by the re-routing instructions
The step of movement includes:
The heavy-route attribute-bit for obtaining the business 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 execute heavy-route by the re-routing instructions
Movement, to restore the business influenced by failure.
9. according to the method described in claim 5, it is characterized in that, the method also includes:
The topology information that receiving station reports executes Topology Discovery 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 described in claim 5, it is characterized in that, the method also includes:
It is docked, is propped up by what the operation supporting platform built in preset northbound interface and data center's Transmission system carried out
Hold the application in the operation supporting platform.
11. the realization device controlled in a kind of data center's Transmission system according to any one of claims 1-4, feature exist
In, comprising:
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 movable website in data center's Transmission system and website
The path computing of the relevant resource information progress business granting instruction of standby institute obtains respective paths；
Business builds module, for carrying out the path of business according to the path drives associated network hardware equipment being calculated
It builds, the network hardware equipment of driving is distributed in the movable website；
Service fulfillment module opens the business in data center's Transmission system for the path by building.
12. device according to claim 11, which is characterized in that described device further include:
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, which is characterized in that described device further include:
Fault message receiving module, the fault message reported for receiving the website；
Scope of business module, for obtaining being influenced in data center's Transmission system by failure according to the device fault information
Business；
Heavy-route module for carrying out path computing for the business, and generates the corresponding heavy-route of the path computing and refers to
It enables, drives associated network hardware equipment to execute heavy-route movement by the re-routing instructions.
14. device according to claim 13, which is characterized in that the heavy-route module includes:
Mark acquiring unit judges for obtaining the heavy-route attribute-bit of the business 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 carries out path computing for triggering, and generates the heavy road according to the path computing
By instructing；
Issuance unit is instructed, for issuing the re-routing instructions, drives network of relation in website by the re-routing instructions
Hardware device executes heavy-route movement, to restore the business influenced by failure.
15. device according to claim 11, which is characterized in that described device further include:
Topological processing module executes Topology Discovery according to the topology information, passes through for the topology information that receiving station reports
The network topology in data center's Transmission system is safeguarded in the execution of the Topology Discovery.
16. device according to claim 11, which is characterized in that described device further include:
Using support module, for the operation support by being built in preset northbound interface and data center's Transmission system
The docking that platform carries out, supports the application in the operation supporting platform.
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