CN106850424A - A kind of system of selection, the apparatus and system in IP layers of path - Google Patents
A kind of system of selection, the apparatus and system in IP layers of path Download PDFInfo
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Abstract
Embodiments of the invention provide a kind of system of selection, the apparatus and system in IP layers of path, are related to the communications field, and centralized Control is carried out to IP layer networks resource and photosphere Internet resources, can accurately provide the user the path of better performances.The program includes：If receiving the path request set up from an IP nodes to the 2nd IP nodes, IP layers of path resources information and Layer Path resource information are obtained；N paths from an IP nodes to the 2nd IP nodes are determined according to the path request, each paths in the N paths include IP layers of path and Layer Path；According to the IP layers of path resources information and the Layer Path resource information, it is transmission path that a paths are selected from the N paths；The transmission path is respectively sent to IP layers of controller and photosphere controller, to cause that the IP layers of controller sets up IP layers of path according to the transmission path, the photosphere controller sets up Layer Path according to the transmission path.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of system of selection in IP layers of path, dress
Put and system.
Background technology
At present, basic bearer network is by IP (Internet Protocol, network communication protocol)
The Overlapping network that layer and photosphere are collectively constituted, IP nodes coincide with optical network node, but
IP layers does not perceive mutually with photosphere, i.e. IP layers of control information does not flow into photosphere, optical transport layer with
Static configuration mode is IP layers and sets up " pipeline ", mutual between each node in IP layers to realize
Connection.
As can be seen that IP layers and photosphere are using the independent control of layering in existing basic bearer network
System is with so that framework keeps clear, it is easy to management service, but the pattern of this independent control also makes
Obtain IP layers and be controlled decision-making with photosphere is relatively independent, for example, IP node layers are in IP layers of selection
During path, mainly by distributed routing protocol, such as ISIS (Intermediate system to
Intermediate, Intermediate System-to-Intermediate System), the cost (cost) according to IP links
Determine, using the path of Least-cost as preferred path for users to use.
But, because the specific topological structure and resource information of optical network node in photosphere also can
The IP layers of performance in path of influence, therefore, IP layers of current routing resource cannot be accurately
User provides the path of better performances.
The content of the invention
Embodiments of the invention provide a kind of system of selection, the apparatus and system in IP layers of path,
Centralized Control is carried out to IP layer networks resource and photosphere Internet resources, can be accurately use
Family provides the path of better performances.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
In a first aspect, embodiments of the invention provide a kind of system of selection in IP layers of path, bag
Include：If receiving the path request set up from an IP nodes to the 2nd IP nodes, obtain
IP layers of path resources information and Layer Path resource information；According to the path request determine from this
The N paths of one IP nodes to the 2nd IP nodes, each road in the N paths
Footpath includes IP layers of path and Layer Path, N >=1；According to the IP layers of path resources information and should
Layer Path resource information, it is transmission path that a paths are selected from the N paths；Will
The transmission path is respectively sent to IP layers of controller and photosphere controller, to cause the IP layers of control
Device processed sets up IP layers of path according to the transmission path, and the photosphere controller is according to the transmission path
Set up Layer Path.
With reference in a first aspect, in the first possible implementation of first aspect, according to this
IP layers of path resources information and the Layer Path resource information, one is selected from the N paths
Paths are transmission path, including：According to the IP layers of path resources information and the Layer Path
Resource information, calculates the transmission cost of each paths in the N paths, the transmission cost
Including IP layers of transmission cost and photosphere transmission cost；The path for selecting the transmission cost minimum is
The transmission cost.
With reference to the first possible implementation of first aspect, second in first aspect can
In the implementation of energy, according to the IP layers of path resources information and the Layer Path resource information,
The transmission cost of each paths in the N paths is calculated, including：According to the IP layers of path
Resource information, each paths in the N paths are calculated according to default first weight proportion
IP layers of transmission cost；According to the Layer Path resource information, according to default second weight
Ratio calculates the photosphere transmission cost of each paths in the N paths.
With reference in a first aspect, in the third possible implementation of first aspect, the path
Request includes path bandwidth preset value, wherein, according to the IP layers of path resources information and the light
Layer path resources information, selects a paths for transmission path from the N paths, including：
If the path bandwidth preset value is more than first threshold, judged according to the IP layers of path resources information
Whether the IP layers of resource utilization is more than Second Threshold；If the IP layers of resource utilization is big
In Second Threshold, then according to the Layer Path resource information, light is selected from the N paths
The through path of layer is the transmission path.
With reference to first aspect and first aspect first in the third possible implementation
Any one implementation, in the 4th kind of possible implementation of first aspect, the IP
Topology information, time delay letter in layer path resources information, including IP layers between each IP node
At least one of breath, bandwidth information and link utilization；The Layer Path resource information,
Including the topology information between each light node layer in photosphere, Delay, bandwidth information and
At least one of link utilization.
With reference to first aspect and first aspect first in the third possible implementation
Any one implementation, in the 5th kind of possible implementation of first aspect, the method
Also include：If receiving the failure message of the first optical link of photosphere controller transmission, really
Surely the IP links on first optical link are carried on；Determine the industry on an IP links
The link requirements being engaged in an IP links；Re-established in the photosphere and meet the link requirements
The second optical link, with cause an IP link changes be by second optical link carry.
With reference to the 5th kind of possible implementation of first aspect, the 6th kind in first aspect can
In the implementation of energy, it is determined that the business on an IP links is to an IP links
After link requirements, also include：If not including meeting the second light of the link requirements in the photosphere
Link, then reselect IP layers of path for meeting the link requirements.
Second aspect, embodiments of the invention provide a kind of selection device in IP layers of path, bag
Include：Acquiring unit, if being set up from an IP nodes to the road of the 2nd IP nodes for receiving
Footpath is asked, then obtain IP layers of path resources information and Layer Path resource information；Determining unit,
For being determined from an IP nodes to N articles of road of the 2nd IP nodes according to the path request
Footpath, each paths in the N paths include IP layers of path and Layer Path, N >=1；
Select unit, for according to the IP layers of path resources information and the Layer Path resource information,
It is transmission path that a paths are selected from the N paths；Transmitting element, for this to be passed
Defeated path is respectively sent to IP layers of controller and photosphere controller, to cause the IP layers of controller
IP layers of path is set up according to the transmission path, the photosphere controller is set up according to the transmission path
Layer Path.
With reference to second aspect, in the first possible implementation of second aspect, the device
Also include computing unit, the computing unit, for according to IP layer path resources information and this
Layer Path resource information, calculates the transmission cost of each paths in the N paths, should
Transmission cost includes IP layers of transmission cost and photosphere transmission cost；The select unit, is additionally operable to
It is the transmission cost to select the minimum path of the transmission cost.
With reference to the first possible implementation of second aspect, second in second aspect can
Can implementation in, the computing unit, specifically for according to the IP layers of path resources information,
IP layers of transmission of each paths in the N paths is calculated according to default first weight proportion
Cost；According to the Layer Path resource information, the N is calculated according to default second weight proportion
The photosphere transmission cost of each paths in paths.
With reference to second aspect, in the third possible implementation of second aspect, the path
Request includes path bandwidth preset value, wherein, the select unit, if specifically for the path band
Preset value wide is more than first threshold, and the IP layers of money is judged according to the IP layers of path resources information
Whether source utilization rate is more than Second Threshold；If the IP layers of resource utilization is more than Second Threshold,
Then according to the Layer Path resource information, the through path of photosphere is selected from the N paths
It is the transmission path.
With reference to second aspect and second aspect first in the third possible implementation
Any one implementation, in the 4th kind of possible implementation of second aspect, the device
Also include link establishment unit；Wherein, determining unit, if being additionally operable to receive the photosphere control
The failure message of the first optical link that device processed sends, it is determined that be carried on first optical link
First IP links；Determine link of the business on an IP links to an IP links
Demand；The link establishment unit, the of the link requirements are met for being re-established in the photosphere
Two optical links, to cause that an IP link changes are to be carried by second optical link.
With reference to any one realization in first to fourth kind of possible implementation of second aspect
Mode, in the 5th kind of possible implementation of second aspect, the select unit is additionally operable to
If not including meeting the second optical link of the link requirements in the photosphere, reselecting satisfaction should
IP layers of path of link requirements.
The third aspect, embodiments of the invention provide a kind of selection system in IP layers of path, bag
Include the IP layers of selection device in path described in any of the above-described, and with the IP layers of choosing in path
Select connected IP layers of controller of device and photosphere controller.
So far, embodiments of the invention provide a kind of system of selection in IP layers of path, device and
System, wherein, if receiving the path request set up from an IP nodes to the 2nd IP nodes,
Then obtain IP layers of path resources information and Layer Path resource information；Also, according to the path
Request determines the N paths from an IP nodes to the 2nd IP nodes, the N bars road
Each paths in footpath include IP layers of path and Layer Path, N >=1；And then, according to this
IP layers of path resources information and the Layer Path resource information, one is selected from the N paths
Paths are transmission path；Finally, by the transmission path be respectively sent to IP layers of controller and
Photosphere controller, to cause that the IP layers of controller sets up IP layers of path according to the transmission path,
The photosphere controller sets up Layer Path according to the transmission path.As can be seen that in selection from the
During IP layers of path of one IP nodes to the 2nd IP nodes, with reference to the IP layers of path resources information
With the Layer Path resource information, a paths are selected from N paths for transmission path,
The collaborative work of IP layers and photosphere is capable of achieving, and then causes the IP layers of controller according to the transmission
IP layers of path is set up in path, and the photosphere controller sets up Layer Path according to the transmission path,
So as to realize carrying out centralized Control to IP layer networks resource and photosphere Internet resources, can relatively be defined
The true path for providing the user better performances.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below
The accompanying drawing to be used needed for embodiment or description of the prior art will be briefly described, show and
Easy insight, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is a kind of Organization Chart of the selection system in IP layers of path provided in an embodiment of the present invention；
Fig. 2 is that a kind of flow of the system of selection in IP layers of path provided in an embodiment of the present invention is shown
It is intended to；
Fig. 3 is a kind of applied field of the system of selection in IP layers of path provided in an embodiment of the present invention
Scape schematic diagram；
Fig. 4 is a kind of flow of the processing method of optical link failure provided in an embodiment of the present invention
Schematic diagram；
Fig. 5 is that a kind of structure of the selection device in IP layers of path provided in an embodiment of the present invention is shown
It is intended to one；
Fig. 6 is that a kind of structure of the selection device in IP layers of path provided in an embodiment of the present invention is shown
It is intended to two；
Fig. 7 is that a kind of structure of the selection device in IP layers of path provided in an embodiment of the present invention is shown
It is intended to three；
Fig. 8 is a kind of hardware knot of the selection device in IP layers of path provided in an embodiment of the present invention
Structure schematic diagram.
Specific embodiment
In below describing, in order to illustrate rather than in order to limit, it is proposed that such as particular system knot
The detail of structure, interface, technology etc, the present invention is understood so as to thorough.However, ability
The technical staff in domain is it should be clear that can also in the other embodiments without these details
Realize the present invention.In other situations, omit to well-known device, circuit and method
Detailed description, in order to avoid unnecessary details hinders description of the invention.
In addition, term " first ", " second " be only used for describe purpose, and it is not intended that
Indicate or imply relative importance or the implicit quantity for indicating indicated technical characteristic.By
This, defines " first ", one can be expressed or be implicitly included to the feature of " second "
Or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
As shown in figure 1, the IP layers of system of selection in path that embodiments of the invention are provided can be answered
For the IP layers of selection system in path, the system can be based on SDN (Software Defined
Network, software defined network) framework realization.
Specifically, including the IP layers of selection device in path in the IP layers of selection system in path
01 IP being connected with the IP layers of selection device in path 01 layers of controller 02 and photosphere are controlled
Device 03, wherein, the IP layers of selection device in path 01 is located at business cooperation layer.
Wherein, IP layers of controller 02 enters to the IP nodes (such as router) in IP network
Row centralized Control, each IP nodes can be reported respective IP layers by the interface of IP layers of controller
Path resources information, IP layers of controller 02 can be according to the IP layers of path resources information and preset
Decision rule determine IP layers of path, or carried out by the selection device 01 with IP layers of path
IP layers of path is determined after interaction, and then, configuration information is issued to IP nodes, to realize to IP
The configuration in layer path.
Similar, photosphere controller 03 is to the light node layer (such as transmission equipment) in optical-fiber network
Centralized Control is carried out, photosphere controller 03 reports Layer Path resource to believe according to each smooth node layer
Breath, Layer Path is determined after being interacted with the IP layers of selection device in path 01, and then to each
Transmission equipment issues configuration information, realizes the configuration to Layer Path.
And the IP layers of selection device in path 01 in business cooperation layer is deployed in, for realizing IP
Layer is cooperateed with photosphere.After the IP layers of selection device in path 01 receives path request, according to
The IP layers of path resources information and the Layer Path resource information, calculate IP layers and photosphere respectively
Transmission cost, and then select optimal transmission path and send to IP layers of controller 02 and light
Layer controller 03, then creates this most jointly by IP layers of controller 02 and photosphere controller 03
Excellent transmission path.
Embodiment one
Embodiments of the invention provide a kind of system of selection in IP layers of path, as shown in Fig. 2
Including：
If the 101, receiving the path request set up from an IP nodes to the 2nd IP nodes,
Then the IP layers of selection device in path obtains IP layers of path resources information and Layer Path resource letter
Breath.
102nd, the IP layers of selection device in path is determined from an IP nodes according to the path request
To the N paths of the 2nd IP nodes, each paths in the N paths include IP
Layer path and Layer Path, N >=1.
103rd, the selection device in IP floor path is according to the IP floor path resources information and the photosphere road
Footpath resource information, it is transmission path that a paths are selected from the N paths.
104th, the transmission path is respectively sent to IP layers of controller by the IP layers of selection device in path
With photosphere controller, with cause the IP layers of controller IP layers of path is set up according to the transmission path,
The photosphere controller sets up Layer Path according to the transmission path.
In a step 101, IP layers of selection device in path can timing from IP layers of controller
In acquisition IP layers of path resources information Store to the memory of itself, and from photosphere controller
Obtain Layer Path resource information to store into the memory, need to set up from first when receiving
IP nodes to the 2nd IP nodes path request when, the IP layers of selection device in path can be from storage
IP layers of path resources information of the acquisition and Layer Path resource information in device.
Wherein, the IP layers of path resources information, can include IP layers in each IP node it
Between at least one of topology information, Delay, bandwidth information and link utilization；
Similar, the Layer Path resource information can be including between each light node layer in photosphere
At least one of topology information, Delay, bandwidth information and link utilization.
In a step 102, the IP layers of selection device in path should according to what is received in step 101
Path request, it is determined that from the N paths of an IP nodes to the 2nd IP nodes, the N
Each paths in paths include IP layers of path and Layer Path, N >=1.
Specifically, because the path request is used to indicate to set up from an IP nodes to the 2nd IP
IP layers of path of node, for example, as shown in figure 3, basic bearer network is divided into IP layers and light
Layer, IP layers is made up of router R1~R5, and photosphere is made up of transmission equipment T1~T8.Route
Device R1 is connected with transmission equipment T1, and router R2 is connected with transmission equipment T2, router
R3 is connected with transmission equipment T3, and router R4 is connected with transmission equipment T4, router it
Between the link of interconnection is set up by transmission equipment.Also, IP layers is unified by IP layers of controller
It is controlled, photosphere is uniformly controlled by photosphere controller.
If the path request is used to indicate to set up the IP layers of path from R1 to R4, then, base
In current IP layers with the interconnection situation of photosphere, the IP layers of selection device in path can basis
The path request, it is determined that the N paths from R1 to R4, for example, path 1 is：
R1-TI-T5-T3-R3-T3-T8-T4-R4；Path 2 is：R1-TI-T6-T2-R2-T2-T3-T8-
T4-R4。
Wherein, each paths in this N paths all include IP layers of path and Layer Path,
For example, IP layers of path in above-mentioned path 1 is：R1-R3-R4, the photosphere road in path 1
Footpath is：TI-T5-T3-T8-T4；And IP layers of path in above-mentioned path 2 is：R1-R2-R4,
Layer Path in path 2 is：TI-T6-T2-T3-T8-T4.
In addition, the demand information of user can also be carried in the path request, such as delay requirement,
Bandwidth requirement etc., then, the IP layers of selection device in path according to the path request, it is determined that from this
During the N paths of the first IP nodes to the 2nd IP nodes, can according to the demand information,
Selection meet the demand information from an IP nodes to N articles of road of the 2nd IP nodes
Footpath.
In step 103, the IP layers of selection device in path should according to what is obtained in step 101
IP layers of path resources information and the Layer Path resource information, the N determined from step 102
It is transmission path that a paths are selected in paths.
Specifically, IP layers of selection device in path can according to the IP layers of path resources information and
The Layer Path resource information, calculates the transmission cost of each paths in the N paths,
Wherein, the transmission cost includes IP layers of transmission cost and photosphere transmission cost；And then, selection
The minimum path of transmission cost is the transmission path.
Still illustrated with the example in Fig. 3, now, IP layers of selection device in path can be with
According to IP layers of path resources information (such as topology letter between R1-R3-R4 in step 101
Breath, Delay, bandwidth information and link utilization), according to default first weight ratio
Example (such as topology information, between Delay, bandwidth information and link utilization first
Weight proportion is：1：2：1：2) the IP layers of transmission cost in above-mentioned path 1, i.e. IP are calculated
Layer transmission cost 1；And according to the topology information between R1-R2-R4, Delay, bandwidth
Information and link utilization), according to the first weight proportion (such as topology information, time delay
The first weight proportion between information, bandwidth information and link utilization is：1：2：1：2)
Calculate the IP layers of transmission cost in above-mentioned path 2, i.e. IP layers of transmission cost 2.
It is similar, can further according to the Layer Path resource information in step 101 (for example
Topology information, Delay, bandwidth information and link utilization between TI-T5-T3-T8-T4
Rate), the photosphere transmission cost in above-mentioned path 1 is calculated according to default second weight proportion, i.e.,
Photosphere transmission cost 1, and according to the topology information between TI-T6-T2-T3-T8-T4, time delay
Information, bandwidth information and link utilization, above-mentioned path is calculated according to second weight proportion
2 photosphere transmission cost, i.e. photosphere transmission cost 2.
So, IP layers of selection device in path just can determine the transmission cost in path 1, i.e.,
Transmission cost=IP layers of transmission cost 1+ photospheres the transmission cost 1 in path 1；And path 2
Transmission cost, i.e. transmission cost=IP layers of transmission cost 2+ photospheres the transmission cost 2 in path 2.
And then, the path that IP layers of selection device in path just can select transmission cost minimum is
The transmission path.
As can be seen that when selection is from IP layers of path of an IP nodes to the 2nd IP nodes,
With reference to the IP layers of path resources information and the Layer Path resource information, selected from N paths
A paths are selected for transmission path, the collaborative work of IP layers and photosphere is capable of achieving, and then cause
The IP layers of controller sets up IP layers of path according to the transmission path, and the photosphere controller is according to this
Transmission path sets up Layer Path, so as to realize to IP layer networks resource and photosphere Internet resources
Centralized Control is carried out, the path of better performances can be accurately provided the user.
In addition, path bandwidth preset value can also be included in the path request of step 101 acquisition,
The path bandwidth preset value is the minimum value of the path bandwidth that user requires, now, in step
After 102, the IP layers of selection device in path can compare whether the path bandwidth preset value is more than
First threshold, if the path bandwidth preset value is more than first threshold, that is, illustrates the path request pair
The business answered belongs to services of large granularities, at this point it is possible to be sentenced according to the IP layers of path resources information
Whether disconnected described IP layers resource utilization is more than Second Threshold, that is, determine IP layers of resource profit
Use situation.
If IP layers of resource utilization is less than Second Threshold, that is, illustrate IP layers of resource still
Abundance, then it is transmission path that a paths are selected in can still taking the above-mentioned paths from N
Method.
If IP layers of resource utilization is more than Second Threshold, that is, illustrate the resource of IP layer networks
It is more nervous, now, if it is corresponding that the path request is superimposed on IP layers of path
After business, it is most likely that the too high situation of IP layers of resource utilization occurs, therefore, it can
The path for selecting photosphere to go directly from above-mentioned N paths is the transmission path (such as in Fig. 3
The path 3 that R1-T1-T6-T3-T8-T4-R4 is constituted), so, flow is no longer through IP layers
Node rotate, so as to avoid to the IP layers of consumption of resource.
It should be noted that the first threshold being related in the embodiment of the present invention and Second Threshold
It is configured according to practical experience by those skilled in the art, the embodiment of the present invention is to first threshold
Value with Second Threshold is not limited.
Further, at step 104, the IP layers of selection device in path can be by step 103
The transmission path of middle selection, is respectively sent to IP layers of controller and photosphere controller, so that
Obtain the IP layers of controller and IP layers of path is set up at IP layers according to the transmission path, and cause to be somebody's turn to do
Photosphere controller sets up Layer Path according to the transmission path in photosphere.
So far, embodiments of the invention provide a kind of system of selection in IP layers of path, wherein,
If receiving the path request set up from an IP nodes to the 2nd IP nodes, IP is obtained
Layer path resources information and Layer Path resource information；Also, according to the path request determine from
The N paths of the first IP nodes to the 2nd IP nodes, it is each in the N paths
Paths include IP layers of path and Layer Path, N >=1；And then, according to the IP layers of path money
Source information and the Layer Path resource information, select a paths to pass from the N paths
Defeated path；Finally, the transmission path is respectively sent to IP layers of controller and photosphere controller,
To cause that the IP layers of controller sets up IP layers of path according to the transmission path, the photosphere controller
Layer Path is set up according to the transmission path.As can be seen that selection from an IP nodes to
During IP layers of path of the 2nd IP nodes, with reference to the IP floor path resources information and the photosphere road
Footpath resource information, selects a paths for transmission path from N paths, is capable of achieving IP layers
With the collaborative work of photosphere, and then cause the IP layers of controller IP is set up according to the transmission path
Layer path, the photosphere controller sets up Layer Path according to the transmission path, so as to realize to IP
Layer network resource and photosphere Internet resources carry out centralized Control, can accurately provide the user
The path of better performances.
Embodiment two
Based on the IP layers of system of selection in path that step 101-104 in above-described embodiment 1 is illustrated,
Embodiments of the invention provide a kind of processing method of optical link failure, as shown in figure 4, including：
If the 201, photosphere controller detects the first optical link and breaks down, to IP layers of path
Selection device send the failure message of first optical link.
202nd, the selection device determination in IP layers of path is carried on the IP on first optical link
Link.
203rd, the selection device in IP layers of path determine business on an IP links to this first
The link requirements of IP links.
204th, the IP layers of selection device in path is re-established in photosphere and meets the of the link requirements
Two optical links, to cause that an IP link changes are to be carried by second optical link.
If the 205, not including meeting the second optical link of the link requirements, IP layers of path in photosphere
Selection device then reselect IP layers of path for meeting the link requirements.
In step 201, it is assumed that the first optical link of photosphere is (for example, first optical link is
Optical link in Fig. 3 between T1-T5) break down, transmission equipment T1 or T5 are detected
After the failure, photosphere controller is notified, now, photosphere controller is to the IP layers of choosing in path
Select the failure message that device sends first optical link.
In step 202., after the selection device in IP layers of path receives the failure message, really
Surely the IP links on first optical link are carried on, that is, determine to be subject to first optical link
The link information of IP layers of influence, wherein, an IP links can be one or more.
Illustrated with the example in step 201, now, be carried on first optical link
First IP links are the IP links between R1-R5.
In step 203, the selection device in IP layers of path further determines that an IP links
On business to the link requirements of an IP links, for example, the IP links between R1-R5
To the demand of Delay, bandwidth information and link utilization.
And then, in step 204, the IP layers of selection device in path re-establishes full in photosphere
Foot the link requirements the second optical link, with cause an IP link changes be by this second
Optical link is carried.
For example, the IP links between R1-R5 are originally by the first smooth chain between T1-T5
Road carry, but, because the first optical link breaks down, the IP layers of selection device in path according to
The link requirements of the first IP links, re-establish in photosphere and meet the second of the link requirements
Optical link, for example, the second optical link of T1-T6-T5 compositions, so, an IP links
Change into and carried by second optical link, so that ensureing IP layers of link will not be subject to photosphere chain
The influence of road failure.
But, in step 205, if not including meeting the second of the link requirements in photosphere
Optical link, the IP layers of selection device in path can then be explained according to step 101-104 in embodiment 1
The IP layers of system of selection in path stated, reselects IP layers of path for meeting the link requirements.
So far, embodiments of the invention provide a kind of processing method of optical link failure, wherein,
After the failure message of the first optical link of photosphere controller transmission is received, the IP layers of choosing in path
The IP links that device determines to be carried on first optical link are selected, and determines an IP
Business on link is re-established full to the link requirements of an IP links in photosphere
Foot the link requirements the second optical link, with cause an IP link changes be by this second
Optical link is carried.So, can turn according to link requirements in time when photosphere link breaks down
Move the IP links of impacted IP layers, it is ensured that IP layers of link will not be subject to the event of photosphere link
The influence of barrier, while meeting link of the business on an IP links to an IP links
Demand.
Embodiment three
Based on above-mentioned steps 101-104, as shown in figure 5, a kind of IP provided in an embodiment of the present invention
The selection device in layer path can with it is exemplary be divided into acquiring unit 11, determining unit 12,
Model selection unit 13 and transmitting element 14.
Wherein, acquiring unit 11, set up from an IP nodes to the 2nd IP nodes for receiving
Path request；And obtain IP layers of path resources information and Layer Path resource information；
Determining unit 12, for according to the path request determine from an IP nodes to
The N paths of the 2nd IP nodes, each paths in the N paths include IP
Layer path and Layer Path, N >=1；
Select unit 13, for the IP layers of path resources letter in the acquiring unit 11
Breath and the Layer Path resource information, the N paths determined from the determining unit 12
One paths of middle selection are transmission path；
Transmitting element 14, for the transmission path that the select unit 13 is selected to be sent respectively
To IP layers of controller and photosphere controller, to cause the IP layers of controller according to the transmission
IP layers of path is set up in path, and the photosphere controller sets up photosphere road according to the transmission path
Footpath.
Further, as shown in fig. 6, the selection device also includes computing unit 15, its
In, the computing unit 15, for the IP layers of path resources in the acquiring unit 11
Information and the Layer Path resource information, each paths in the calculating N paths
Transmission cost, the transmission cost includes IP layers of transmission cost and photosphere transmission cost；Now,
The select unit 13, the path for being additionally operable to select the transmission cost minimum is the transmission
Path.
Further, the computing unit 15, specifically for according to the IP layers of path resources
Information, according to each paths in the default first weight proportion calculating N paths
IP layers of transmission cost；According to the Layer Path resource information, according to default second weight ratio
Example calculates the photosphere transmission cost of each paths in the N paths.
Further, the path request includes path bandwidth preset value, wherein, the selection
Unit 13, if being more than first threshold specifically for the path bandwidth preset value, according to described
Whether IP layers of path resources information judges described IP layers resource utilization more than Second Threshold；
If described IP layers resource utilization is more than Second Threshold, according to the Layer Path resource
Information, it is the transmission path that the through path of photosphere is selected from the N paths.
Further, based on above-mentioned steps 201-205, as shown in fig. 7, the selection device
Also include link establishment unit 16；Wherein, the acquiring unit 11, is additionally operable to receive described
The failure message of the first optical link that photosphere controller sends；The determining unit 12, also uses
In it is determined that the IP links being carried on first optical link；Determine an IP chains
The link requirements of business on road to an IP links；The link establishment unit 16,
The link requirements determined in for re-establishing and meeting the determining unit 12 in the photosphere
Second optical link, to cause that an IP link changes are to be carried by second optical link.
Further, the select unit 13, if not including meeting in being additionally operable to the photosphere
Second optical link of the link requirements, then reselect meet the link requirements IP layers
Path.
In addition, Fig. 8 is a kind of selection device in IP layers of path provided in an embodiment of the present invention
Hardware architecture diagram, the selection device in IP layers of path provided in an embodiment of the present invention can be used
In the method that the various embodiments of the present invention shown in above-mentioned Fig. 1-Fig. 4 are realized is implemented, for the ease of saying
It is bright, the part related to the embodiment of the present invention is illustrate only, particular technique details is not disclosed,
Refer to the various embodiments of the present invention shown in Fig. 1-Fig. 4.
Wherein, the IP layers of selection device in path can be any service in business cooperation layer
Device, such as Collaboration Server, SDN servers etc., the present invention are not intended to be limited in any to this,
The all hardware product that operational capability demand can be met is all suitable for.
Specifically, as shown in figure 8, the IP layers of selection device in path include processor 21,
Communication interface 22 and memory 23, also, the processor 21, transceiver 22 and deposit
Reservoir 23 is communicated by bus 24.
The memory 23 is used to store computer executed instructions, the processor 21 with it is described
Memory 23 is connected by the bus 24, when the IP layers of selection device in path runs,
The processor 21 performs the computer executed instructions of the storage of the memory 23, so that the IP
The selection device in layer path performs the IP layers of system of selection in path as described in Fig. 2 or Fig. 4.
The system of selection in specific IP layer path can be found in it is above-mentioned as Fig. 2-Fig. 5 one of arbitrarily shown in
Associated description in embodiment, here is omitted.
Wherein, processor 21, can be central processing unit (English：central processing
Unit, abbreviation：CPU).The processor 21 can also be other general processors, numeral
Signal processor (English：Digital signal processing, abbreviation DSP), it is special integrated
Circuit (English：Application specific integrated circuit, abbreviation ASIC), it is existing
Field programmable gate array (English：Field-programmable gate array, abbreviation FPGA)
Or other PLDs, discrete gate or transistor logic, discrete hardware group
Part etc..General processor can be microprocessor or the processor can also be any conventional
Processor etc..
Processor 21 is the IP layers of control centre of the selection device in path, and processor 21 leads to
Cross and the data that transceiver 22 is received processed, and call software in memory 23 or
Program, performs the various functions of the selection device in the IP layers of path.
Communication interface 22, can be specially interface circuit, for the process received and sent messages or ask
In, the reception and transmission of signal, after the information that the receiving terminal of transceiver 22 sends, to treatment
Device 21 is processed；In addition, transceiver 22 can be led to by radio communication and network and other equipment
Letter.
Memory 23, can include volatile memory (English：Volatile memory),
Such as random access memory (English：Random-access memory, abbreviation：RAM)；
The memory 31 can also include nonvolatile memory (English：non-volatile
Memory), such as read-only storage (English：Read-only memory, abbreviation：ROM),
Flash memory (English：Flash memory), hard disk (English：Hard disk drive,
Abbreviation：HDD) or solid state hard disc (English：Solid-state drive, abbreviation：SSD)；
The memory 31 can also include the combination of the memory of mentioned kind.Processor 21 can lead to
Software program of the operation storage in memory 23 is crossed, so as to perform the selection in the IP layers of path
The various function application of device and data processing.
And bus 24 can include data/address bus, power bus, controlling bus and signal condition
Bus etc..For clear explanation in the present embodiment, various buses are all illustrated as always in fig. 8
Line 24.
So far, embodiments of the invention provide a kind of selection device in IP layers of path, wherein,
If receiving the path request set up from an IP nodes to the 2nd IP nodes, IP is obtained
Layer path resources information and Layer Path resource information；Also, according to the path request determine from
The N paths of the first IP nodes to the 2nd IP nodes, it is each in the N paths
Paths include IP layers of path and Layer Path, N >=1；And then, according to the IP layers of path money
Source information and the Layer Path resource information, select a paths to pass from the N paths
Defeated path；Finally, the transmission path is respectively sent to IP layers of controller and photosphere controller,
To cause that the IP layers of controller sets up IP layers of path according to the transmission path, the photosphere controller
Layer Path is set up according to the transmission path.As can be seen that selection from an IP nodes to
During IP layers of path of the 2nd IP nodes, with reference to the IP floor path resources information and the photosphere road
Footpath resource information, selects a paths for transmission path from N paths, is capable of achieving IP layers
With the collaborative work of photosphere, and then cause the IP layers of controller IP is set up according to the transmission path
Layer path, the photosphere controller sets up Layer Path according to the transmission path, so as to realize to IP
Layer network resource and photosphere Internet resources carry out centralized Control, can accurately provide the user
The path of better performances.
It is apparent to those skilled in the art that, for convenience and simplicity of description,
Only carried out with the division of above-mentioned each functional module for example, in practical application, can be according to need
Will and above-mentioned functions distribution is completed by different functional module, will the internal structure of device draw
It is divided into different functional modules, to complete all or part of function described above.It is above-mentioned to retouch
The specific work process of the system, apparatus, and unit stated, in may be referred to preceding method embodiment
Corresponding process, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system,
Apparatus and method, can realize by another way.For example, device reality described above
It is only schematical to apply example, for example, the division of the module or unit, only one kind are patrolled
Collect function to divide, there can be other dividing mode when actually realizing, for example multiple units or group
Part can be combined or be desirably integrated into another system, or some features can be ignored, or not
Perform.It is another, shown or discussed coupling or direct-coupling or communication link each other
Connecing can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, Ke Yishi
Electrically, mechanical or other forms.
The unit illustrated as separating component can be or may not be and physically divide
Open, the part shown as unit can be or may not be physical location, you can with
Positioned at a place, or can also be distributed on multiple NEs.Can be according to reality
Selection some or all of unit therein is needed to realize the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the invention can be integrated in a treatment
In unit, or unit is individually physically present, it is also possible to two or more lists
Unit is integrated in a unit.Above-mentioned integrated unit can both be realized in the form of hardware,
Can also be realized in the form of SFU software functional unit.
If the integrated unit is to realize in the form of SFU software functional unit and as independent
Production marketing or when using, can store in a computer read/write memory medium.It is based on
Such understanding, what technical scheme substantially contributed to prior art in other words
The all or part of part or the technical scheme can be embodied in the form of software product
Come, the computer software product is stored in a storage medium, including some instructions are used to make
Obtain a computer equipment (can be personal computer, server, or network equipment etc.)
Or processor (processor) performs all or part of each embodiment methods described of the invention
Step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM,
Read-Only Memory), random access memory (RAM, Random Access
Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
The above, specific embodiment only of the invention, but protection scope of the present invention is simultaneously
Be not limited to this, any one skilled in the art the invention discloses technology model
In enclosing, change or replacement can be readily occurred in, should be all included within the scope of the present invention.
Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (14)
1. a kind of system of selection in IP layers of path, it is characterised in that including：
If receiving the path request set up from an IP nodes to the 2nd IP nodes, IP is obtained
Layer path resources information and Layer Path resource information；
N from an IP nodes to the 2nd IP nodes is determined according to the path request
Paths, each paths in the N paths include IP layers of path and Layer Path, N
≥1；
According to the IP layers of path resources information and the Layer Path resource information, from the N
It is transmission path that a paths are selected in paths；
The transmission path is respectively sent to IP layers of controller and photosphere controller, to cause institute
State IP layers of controller and IP layers of path set up according to the transmission path, the photosphere controller according to
The transmission path sets up Layer Path.
2. method according to claim 1, it is characterised in that according to the IP floor road
Footpath resource information and the Layer Path resource information, select a road from the N paths
Footpath is transmission path, including：
According to the IP layers of path resources information and the Layer Path resource information, calculate described
The transmission cost of each paths in N paths, the transmission cost includes IP layers of transmission cost
With photosphere transmission cost；
It is the transmission path to select the minimum path of the transmission cost.
3. method according to claim 2, it is characterised in that according to the IP floor road
Footpath resource information and the Layer Path resource information, calculate each road in the N paths
The transmission cost in footpath, including：
According to the IP layers of path resources information, calculate described according to default first weight proportion
IP layers of transmission cost of each paths in N paths；
According to the Layer Path resource information, the N is calculated according to default second weight proportion
The photosphere transmission cost of each paths in paths.
4. method according to claim 1, it is characterised in that the path request includes
Path bandwidth preset value,
Wherein, according to the IP layers of path resources information and the Layer Path resource information, from
A paths are selected in the N paths for transmission path, including：
If the path bandwidth preset value is more than first threshold, believed according to the IP layers of path resources
Whether breath judges described IP layers resource utilization more than Second Threshold；
If described IP layers resource utilization is more than Second Threshold, provided according to the Layer Path
Source information, it is the transmission path that the through path of photosphere is selected from the N paths.
5. the method according to any one of claim 1-4, it is characterised in that the IP
Topology information, Delay in layer path resources information, including IP layers between each IP node,
At least one of bandwidth information and link utilization；The Layer Path resource information, bag
Include topology information in photosphere between each light node layer, Delay, bandwidth information and chain
At least one of road utilization rate.
6. the method according to any one of claim 1-4, it is characterised in that the side
Method also includes：
If receiving the failure message of the first optical link that the photosphere controller sends, it is determined that
It is carried on the IP links on first optical link；
Determine link requirements of the business on an IP links to an IP links；
The second optical link for meeting the link requirements is re-established in the photosphere, to cause institute
It is to be carried by second optical link to state an IP link changes.
7. method according to claim 6, it is characterised in that it is determined that an IP
After business on link is to the link requirements of an IP links, also include：
If not including meeting the second optical link of the link requirements in the photosphere, select again
Select IP layers of path for meeting the link requirements.
8. a kind of selection device in IP layers of path, it is characterised in that including：
Acquiring unit, for receiving the path request set up from an IP nodes to the 2nd IP nodes；
And obtain IP layers of path resources information and Layer Path resource information；
Determining unit, for being determined from an IP nodes to described according to the path request
The N paths of the 2nd IP nodes, each paths in the N paths include IP floor road
Footpath and Layer Path, N >=1；
Select unit, for according to the IP layers of path resources information and the Layer Path resource
Information, it is transmission path that a paths are selected from the N paths；
Transmitting element, for the transmission path to be respectively sent into IP layers of controller and photosphere control
Device processed, it is described to cause that the IP layers of controller sets up IP layers of path according to the transmission path
Photosphere controller sets up Layer Path according to the transmission path.
9. selection device according to claim 8, it is characterised in that the selection device
Also include computing unit,
The computing unit, for according to the IP layers of path resources information and the Layer Path
Resource information, calculates the transmission cost of each paths in the N paths, the transmission generation
Valency includes IP layers of transmission cost and photosphere transmission cost；
The select unit, the path for being additionally operable to select the transmission cost minimum is the transmission
Path.
10. selection device according to claim 9, it is characterised in that
The computing unit, specifically for according to the IP layers of path resources information, according to default
The first weight proportion calculate IP layers of transmission cost of each paths in the N paths；Root
According to the Layer Path resource information, the N bars road is calculated according to default second weight proportion
The photosphere transmission cost of each paths in footpath.
11. selection devices according to claim 8, it is characterised in that the path please
Ask including path bandwidth preset value, wherein,
The select unit, if being more than first threshold specifically for the path bandwidth preset value,
Judge described IP layers resource utilization whether more than second according to the IP layers of path resources information
Threshold value；If described IP layers resource utilization is more than Second Threshold, according to the Layer Path
Resource information, it is the transmission path that the through path of photosphere is selected from the N paths.
12. selection device according to any one of claim 8-11, it is characterised in that
The selection device also includes link establishment unit；Wherein,
The acquiring unit, is additionally operable to receive the first optical link that the photosphere controller sends
Failure message；
The determining unit, is additionally operable to the IP chains for determining to be carried on first optical link
Road；Determine link requirements of the business on an IP links to an IP links；
The link establishment unit, the link requirements are met for being re-established in the photosphere
The second optical link, with cause an IP link changes be by second optical link carry.
13. selection devices according to claim 12, it is characterised in that
The select unit, if not including meeting the link requirements in being additionally operable to the photosphere
Second optical link, then reselect IP layers of path for meeting the link requirements.
14. a kind of selection systems in IP layers of path, it is characterised in that including such as claim 8-13
Any one of the IP layers of selection device in path, and filled with the selection in the IP layers of path
Put connected IP layers of controller and photosphere controller.
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Application publication date: 20170613 |