CN104243314A - Optical network end-to-end path establishment method and system based on energy efficiency diagram - Google Patents
Optical network end-to-end path establishment method and system based on energy efficiency diagram Download PDFInfo
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- CN104243314A CN104243314A CN201410431553.2A CN201410431553A CN104243314A CN 104243314 A CN104243314 A CN 104243314A CN 201410431553 A CN201410431553 A CN 201410431553A CN 104243314 A CN104243314 A CN 104243314A
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
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Abstract
The invention discloses an optical network end-to-end path establishment method and system based on an energy efficiency diagram. The method includes the steps that a service request in a packet-based network borne by an optical network is received and recognized; according to the request, synergetic topological information of the optical network and the packet-based network is acquired; weight values of multiple paths are calculated according to weight values of multiple network links in the topological information; if the service request comprises an energy efficiency verification request, energy efficiency values of the paths are calculated according to energy consumption of the network links in the topological information, and the path with the minimal energy efficiency value is selected as the finally-selected path. According to the method, the defects that the optical network and the packet-based network independently operate and energy consumption models are independently established in the prior art are overcome, and in order to solve the problem that the energy efficiency of services in the packet-based network borne by the optical network is low, the end-to-end path based on the energy efficiency diagram is established, network performance is guaranteed, and the energy efficiency of the services in the packet-based network borne by the optical network is improved.
Description
Technical field
The present invention relates to network optimization field, be specifically related to the optical-fiber network end-to-end path establishment method based on efficiency figure and system.
Background technology
How to complete the customer service meeting optimization aim in a network and one of major issue becoming network field is provided.In real world applications, optimization aim comprises some kinds, and as resource efficiency, the network bandwidth, service quality and energy efficiency etc., wherein the optimization aim of high energy efficiency pursues green communications to operator, and reducing energy consumption cost has very big help.
In legacy network, because optical-fiber network is independently runed by different vendor, different department from packet network, therefore consider in current network that efficiency problem is all under single network technology scene, under hybrid network scene, the efficiency problem as optical network bearing packet network scene is not all studied.
Summary of the invention
For defect of the prior art, the invention provides the optical-fiber network end-to-end path establishment method based on efficiency figure and system, solving the low problem of the efficiency of business service in optical network bearing packet network by setting up this path.
First aspect, the invention provides a kind of method for building up of the optical-fiber network end-to-end path based on efficiency figure, comprising:
Receive and identify the service request in optical network bearing packet network;
According to the topology information that described request acquisition optical-fiber network and packet network are worked in coordination with;
The weighted value of many network links in described topology information is utilized to calculate the weighted value of mulitpath;
If described service request comprises the request of energy efficiency checking, then according to the energy valid value of the energy consumption calculation mulitpath of many network links in described topology information, choose the minimum path of described energy valid value as the final path selected.
Optionally, described method also comprises,
If do not comprise the request of energy efficiency checking in described service request, then according to described mulitpath weighted value, and choose the minimum path of described weighted value as the final path selected.
Optionally, described topology information comprises:
The weighted value of link and the energy consumption of link.
Optionally, the weighted value of described many network links utilized in described topology information calculates the weighted value of mulitpath, comprising:
To the ascending sequence of weighted value of many network links in described topology information;
According to sequence, calculate the weighted value of mulitpath;
Wherein, the weighted value of described mulitpath is minimum for choosing network link weighted value according to sequence, and carries out the weighted value of the mulitpath combined for link that described weighted value is minimum.
Optionally, the energy valid value of the described energy consumption calculation mulitpath according to many network links in described topology information, choose the minimum path of described energy valid value as the final path selected, comprising:
Set up efficiency figure according to many network link energy consumptions, according to the energy valid value that the energy consumption calculation mulitpath of many network links in efficiency figure consumes, choose the minimum path of described energy valid value as the final path selected.
Second aspect, what present invention also offers a kind of optical-fiber network end-to-end path based on efficiency figure sets up system, comprising:
Receiver module, for receiving and identifying the service request in optical network bearing packet network;
Acquisition module, for the topology information of working in coordination with according to described request acquisition optical-fiber network and packet network;
Computing module, for the weighted value utilizing the weighted value of many network links in described topology information to calculate mulitpath;
Module is set up in path, during for comprising the request of energy efficiency checking when described service request, then according to energy the valid value of the energy consumption calculation mulitpath of many network links in described topology information, choose described can the minimum path of valid value as the path of final selection.
Optionally, module is set up in described path, also for,
When not comprising the request of energy efficiency checking in described service request, then according to described mulitpath weighted value, and choose the minimum path of described weighted value as the final path selected.
Optionally, described topology information comprises:
The weighted value of link and the energy consumption of link.
Optionally, described computing module, specifically for,
To the ascending sequence of weighted value of many network links in described topology information;
According to sequence, calculate the weighted value of mulitpath;
Wherein, the weighted value of described mulitpath is minimum for choosing network link weighted value according to sequence, and carries out the weighted value of the mulitpath combined for link that described weighted value is minimum.
Optionally, module is set up in described path, specifically for,
Set up efficiency figure according to many network link energy consumptions, according to the energy valid value that the energy consumption calculation mulitpath of many network links in efficiency figure consumes, choose the minimum path of described energy valid value as the final path selected.
As shown from the above technical solution, the invention provides a kind of method for building up and system of the optical-fiber network end-to-end path based on efficiency figure, the method overcome optical-fiber network of the prior art and packet network is independently runed, independently set up the shortcoming of energy consumption model, for the problem that the efficiency of business service in optical network bearing packet network is low, by the foundation of the end-to-end path based on efficiency figure, while ensureing network performance, improve the energy efficiency of business service in optical network bearing packet network.
Accompanying drawing explanation
The control device structure chart of the optical network bearing packet network that Fig. 1 provides for one embodiment of the invention;
The flow chart of the method for building up of the optical-fiber network end-to-end path based on efficiency figure that Fig. 2 provides for another embodiment of the present invention;
The structural representation of the Packet Based Network network layers that Fig. 3 provides for another embodiment of the present invention;
The structural representation of the optical-fiber network layer that Fig. 4 provides for another embodiment of the present invention;
The structural representation of the optical network bearing packet network multilayer that Fig. 5 provides for another embodiment of the present invention;
The efficiency figure that Fig. 6 another embodiment of the present invention provides;
The structural representation of the system of setting up of the optical-fiber network end-to-end path based on efficiency figure that Fig. 7 provides for another embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
First be described in detail the control device of optical network bearing packet network below, method for building up and the system of the end-to-end path based on efficiency figure of the present invention are implemented under this control device.
Fig. 1 shows the control device structure chart of the optical network bearing packet network that the embodiment of the present invention provides, as shown in Figure 1, above-mentioned control device consists of the following components, and forms as comprised optical-fiber network controller, packet network controller, ip router and optical switch node.Specifically describe as follows:
Above-mentioned IP router and optical switch node include protocol proxy module, by protocol proxy module, realize the controlling functions of controller to node.
Above-mentioned packet network controller comprises business monitoring modular and cross-layer Jian Chai road control module;
Wherein, above-mentioned business monitoring modular, is responsible for carrying out Real-Time Monitoring to Business Stream information in packet network, and by cross-layer Jian Chai road control interface, monitoring information is reported cross-layer Jian Chai road control module.
Cross-layer Jian Chai road control module: be responsible for packet network and optical-fiber network cross-layer Jian Chai road Request Control and driving, the request of Jian Chai road is sent to optical-fiber network controller.
Optical-fiber network controller comprises cross-layer Jian Chai road proxy module, path calculation module and efficiency computing module;
Cross-layer Jian Chai road proxy module, the Layer Path being responsible for Packet Based Network and optical-fiber network cross-layer Jian Chai road drives and agent functionality, the activation bit of reception cross-layer Jian Chai road control module, and by photosphere set up path and relevant information is delivered to packet network controller.
Path calculation module, is responsible for the path computing containing constraints in optical-fiber network, comprises the network parameter constraints etc. such as damage perception.
Efficiency computing module, is responsible for the efficiency consumed in statistics and computing network.
Cross-layer control interface 1: comprise packet network and optical-fiber network cross-layer Jian Chai road request and return return information, and the successful routing information of road construction and network abstraction resource information.
Business detects interface 2: the Detection Information comprising packet network service.
Cross-layer Jian Chai road control interface 3: the relevant information comprising business check processing.
Path computing interface 4: comprise optical-fiber network Detection & Controling information.
Cross-layer Jian Chai road proxy interface 5: comprise photosphere network path result of calculation information, as path node order information, link information etc.
Efficiency calculates interface 6: comprise network element energy effective information, as link energy effective information etc.
Based on above-mentioned control device, Fig. 2 shows the flow chart of the method for building up of the end-to-end path based on efficiency figure that the embodiment of the present invention provides, and as shown in Figure 2, said method comprises the steps:
S201, the service request received and identified in optical network bearing packet network;
Concrete, when the service request in network arrives, optical-fiber network controller and the identification of packet network controller need packet network and optical-fiber network to work in coordination with the request of setting up link, and network element node in analysis request, path bandwidth and other relevant constraints (as debugging form, physical damnification constraint etc.).
S202, the topology information of working in coordination with according to described request acquisition optical-fiber network and packet network;
For example, packet network controller and optical-fiber network controller cooperation interaction topology information separately in above-mentioned steps, wherein topology information comprises weighted value, the energy consumption of fot router, the energy consumption etc. of optical transceiver of link.
S203, the weighted value of many network links in described topology information is utilized to calculate the weighted value of mulitpath;
Above-mentioned steps also comprises unshowned sub-step in following Fig. 2:
S2031, the ascending sequence of weighted value to many network links in described topology information;
S2032, according to sequence, calculate the weighted value of mulitpath;
Wherein, the weighted value of described mulitpath is minimum for choosing network link weighted value according to sequence, and carries out the weighted value of the mulitpath combined for link that described weighted value is minimum.
If the described service request of S204 comprises the request of energy efficiency checking, then according to the energy valid value of the energy consumption calculation mulitpath of many network links in described topology information, choose the minimum path of described energy valid value as the final path selected.
Above-mentioned steps S205 also specifically comprises:
Set up efficiency figure according to many network link energy consumptions, according to the energy valid value that the energy consumption calculation mulitpath of many network links in efficiency figure consumes, choose the minimum path of described energy valid value as the final path selected.
Said method also comprises unshowned step S205 in Fig. 2:
If do not comprise the request of energy efficiency checking in the described service request of S205, then according to described mulitpath weighted value, and choose the minimum path of described weighted value as the final path selected.Weighted value can according to the usual computational methods of industry, and as jumping figure, bandwidth weighting etc., the application is described no longer in detail.
After said method selects final path, be drive business service in optical network bearing packet network by packet network controller according to the path of above-mentioned selection.
Said method overcomes optical-fiber network of the prior art and packet network is independently runed, independently set up the shortcoming of energy consumption model, for the problem that the efficiency of business service in optical network bearing packet network is low, by the foundation of the end-to-end path based on efficiency figure, while ensureing network performance, improve the energy efficiency of business service in optical network bearing packet network.
Below for the typical equipment of concrete packet network and optical-fiber network, illustrate the typical calculation method of efficiency in packet network and optical-fiber network.
Fig. 3 shows the structural representation of the Packet Based Network network layers that the embodiment of the present invention provides, as shown in Figure 3, the energy consumption of Packet Based Network network layers is mainly reflected in router side, and mainly comprise input/output end port, board and backboard three kinds of entity compositions in the router, concrete composition form as shown in the figure.Energy consumption is done unitization process herein, the energy consumption parameter of its middle port is 1 energy consumption unit, and board is 3 energy consumption units, and backboard is 5 energy consumption units.Therefore, packet network node switching typical energy consumption calculation as shown in Figure 3, be 1+3+5+3+1=13 energy consumption unit by the energy consumption of this node.
Fig. 4 shows the structural representation of the optical-fiber network layer that the embodiment of the present invention provides, and as shown in Figure 4, in optical-fiber network layer, energy consumption entity is mainly reflected in optical switch node.In optical switch node, mainly comprise opto-electronic conversion and wavelength chooses two kinds of entity compositions, concrete composition form as shown in the figure.Wherein the energy consumption parameter of opto-electronic conversion is 2 energy consumption units, and wavelength chooses is 1 energy consumption unit.Therefore, optical network node exchange typical energy consumption calculation as shown in the figure, be 2+1=3 energy consumption unit by the energy consumption of this node.
Fig. 5 shows the structural representation of the optical network bearing packet network multilayer that the embodiment of the present invention provides, as shown in Figure 5, when business is unloaded to photosphere or when being loaded into Packet Based Network network layers from optical-fiber network layer from Packet Based Network network layers, all relate to the energy consumption nodal analysis method of optical network bearing packet network multilayer.According to the energy consumption nodal analysis method of above-mentioned optical-fiber network and Packet Based Network network layers, the typical energy consumption calculation that the energy consumption node of optical network bearing packet network multilayer and business unload or load as shown in the figure.Be 1+3+5+3+1+2+1=16 energy consumption unit by the energy consumption of this node.
Fig. 6 shows the efficiency figure that the embodiment of the present invention provides, and as shown in Figure 6, above-mentioned efficiency figure draws based on above-mentioned energy consumption calculation.On the basis of above-mentioned three kinds of Calculation Method of Energy Consumptions, A in figure
i, B
i, C
i, D
ifor the network node of packet network, A
o, B
o, C
o, D
ofor the network node of optical-fiber network.Suppose in the drawings from A
ito D
ihave two paths, namely path 1 is A
i-B
i-C
i-C
o-D
o-D
ibe A with path 2
i-A
o-B
o-C
o-C
i-D
i.According to above-mentioned node energy consumption computational methods, the power consumption values in path 1 is that 13+13+16+3+16=59 consumes unit.And the power consumption values in path 2 is 16+3+16+13=48 energy consumption unit.Therefore, the path 2 that selection power consumption values is less is as result.
Fig. 7 shows the structural representation of the system of setting up of the optical-fiber network end-to-end path based on efficiency figure that the embodiment of the present invention provides, and as shown in Figure 7, this system comprises:
Receiver module 71, for receiving and identifying the service request in optical network bearing packet network;
Acquisition module 72, for the topology information of working in coordination with according to described request acquisition optical-fiber network and packet network;
For example, above topology information comprises the weighted value of link and the energy consumption of link.
Computing module 73, for the weighted value utilizing the weighted value of many network links in described topology information to calculate mulitpath;
Concrete, above-mentioned computing module, specifically for,
To the ascending sequence of weighted value of many network links in described topology information;
According to sequence, calculate the weighted value of mulitpath;
Wherein, the weighted value of described mulitpath is minimum for choosing network link weighted value according to sequence, and carries out the weighted value of the mulitpath combined for link that described weighted value is minimum.
Module 74 is set up in path, for comprise when described service request energy efficiency checking request time, then according to the energy valid value of the energy consumption calculation mulitpath of many network links in described topology information, choose the minimum path of described energy valid value as the final path selected.
Concrete, module is set up in above-mentioned path, specifically for,
Set up efficiency figure according to many network link energy consumptions, according to the energy valid value that the energy consumption calculation mulitpath of many network links in efficiency figure consumes, choose the minimum path of described energy valid value as the final path selected.
Or, above-mentioned
Module 74 is set up in path, also for,
When not comprising the request of energy efficiency checking in described service request, then according to described mulitpath weighted value, and choose the minimum path of described weighted value as the final path selected.
The above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1., based on a method for building up for the optical-fiber network end-to-end path of efficiency figure, it is characterized in that, comprising:
Receive and identify the service request in optical network bearing packet network;
According to the topology information that described request acquisition optical-fiber network and packet network are worked in coordination with;
The weighted value of many network links in described topology information is utilized to calculate the weighted value of mulitpath;
If described service request comprises the request of energy efficiency checking, then according to the energy valid value of the energy consumption calculation mulitpath of many network links in described topology information, choose the minimum path of described energy valid value as the final path selected.
2. method according to claim 1, is characterized in that, described method also comprises,
If do not comprise the request of energy efficiency checking in described service request, then according to described mulitpath weighted value, and choose the minimum path of described weighted value as the final path selected.
3. method according to claim 1, is characterized in that, described topology information comprises:
The weighted value of link and the energy consumption of link.
4. method according to claim 3, is characterized in that, the weighted value of described many network links utilized in described topology information calculates the weighted value of mulitpath, comprising:
To the ascending sequence of weighted value of many network links in described topology information;
According to sequence, calculate the weighted value of mulitpath;
Wherein, the weighted value of described mulitpath is minimum for choosing network link weighted value according to sequence, and carries out the weighted value of the mulitpath combined for link that described weighted value is minimum.
5. method according to claim 4, is characterized in that, the energy valid value of the described energy consumption calculation mulitpath according to many network links in described topology information, chooses the minimum path of described energy valid value as the final path selected, comprising:
Set up efficiency figure according to many network link energy consumptions, according to the energy valid value that the energy consumption calculation mulitpath of many network links in efficiency figure consumes, choose the minimum path of described energy valid value as the final path selected.
6. based on efficiency figure optical-fiber network end-to-end path set up a system, it is characterized in that, comprising:
Receiver module, for receiving and identifying the service request in optical network bearing packet network;
Acquisition module, for the topology information of working in coordination with according to described request acquisition optical-fiber network and packet network;
Computing module, for the weighted value utilizing the weighted value of many network links in described topology information to calculate mulitpath;
Module is set up in path, during for comprising the request of energy efficiency checking when described service request, then according to energy the valid value of the energy consumption calculation mulitpath of many network links in described topology information, choose described can the minimum path of valid value as the path of final selection.
7. system according to claim 6, is characterized in that, module is set up in described path, also for,
When not comprising the request of energy efficiency checking in described service request, then according to described mulitpath weighted value, and choose the minimum path of described weighted value as the final path selected.
8. system according to claim 6, is characterized in that, described topology information comprises:
The weighted value of link and the energy consumption of link.
9. system according to claim 8, is characterized in that, described computing module, specifically for,
To the ascending sequence of weighted value of many network links in described topology information;
According to sequence, calculate the weighted value of mulitpath;
Wherein, the weighted value of described mulitpath is minimum for choosing network link weighted value according to sequence, and carries out the weighted value of the mulitpath combined for link that described weighted value is minimum.
10. system according to claim 9, is characterized in that, module is set up in described path, specifically for,
Set up efficiency figure according to many network link energy consumptions, according to the energy valid value that the energy consumption calculation mulitpath of many network links in efficiency figure consumes, choose the minimum path of described energy valid value as the final path selected.
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Application publication date: 20141224 |