CN103812689B - Business transmission protecting and device based on multiring structure network - Google Patents
Business transmission protecting and device based on multiring structure network Download PDFInfo
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- CN103812689B CN103812689B CN201210460968.3A CN201210460968A CN103812689B CN 103812689 B CN103812689 B CN 103812689B CN 201210460968 A CN201210460968 A CN 201210460968A CN 103812689 B CN103812689 B CN 103812689B
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Abstract
The embodiment of the present application discloses a kind of business transmission protecting based on multiring structure network.The method includes：Determine service aisle of the linear protection in multiring structure network and protection passage；It is that service aisle of the linear protection in the looped network and protection passage are respectively configured ring protection passage at least one looped network that the service aisle and protection passage of linear protection pass through；When preset state occur in the service aisle of linear protection at least one looped network and protection passage, the ring protection channel transfer business is switched to.The embodiment of the present application also discloses the business transmission protection device based on multiring structure network.The embodiment of the present application can solve or improve to use business of the linear protection when multinode or node link are in the state such as improper to transmit protection problem or performance under multiring structure network environment.
Description
Technical field
The application is related to technical field of communication network, the business transmission protection side more particularly to based on multiring structure network
Method and its corresponding device.
Background technology
Multiring structure network is made up of at least two Single-ring networks, and this network architecture is the conventional one kind of communication technical field
Network topology structure.For other network topology structures, multiring structure network can largely improve network life
Sustainability (Survivability, when referring to that network equipment node or node link break down, network in very short time self-healing with
Maintain the ability of certain tolerable service level).Based on this characteristic, multiring structure latticed form is widely used in setting up
The network (such as optical-fiber network, microwave network, Packet Transport Network PTN etc.) that miscellaneous service transmission protection high is required.
The business transmission protected mode of multiring structure network mainly includes linear protection and the class of looped network protection two.The former is with every
Individual transmission services are base unit, linear work passage corresponding with each business and protection passage are configured, when multiring structure net
When network is in abnormal condition due to certain node or inter-node link failure, it passes through independent service aisle with protection passage
Between switch and realize business normal transmission；The latter configures ring service aisle in looped network and protection is logical on the basis of node on the ring
Road, when multiring structure network is in abnormal condition, it passes through ring service aisle and realizes industry with switching for ring protection interchannel
Business normal transmission.In actual application, due in multiring structure network configure looped network protection mode complicated technology realization,
The reason such as financial cost is higher, generally uses linear protection mode.
However, under multiring structure network environment, at multinode in different looped networks or in same looped network or node link
In abnormal condition, and these improper nodes or node link are located on the service aisle of linear protection and protection passage respectively
When, will be unable to realize that regular traffic is transmitted using linear protection mode.
The content of the invention
In order to solve the above technical problems, the embodiment of the present application provides a kind of business transmission based on multiring structure network protecting
Maintaining method and its related device, to improve or solve to use linear protection in multinode or node chain under multiring structure network environment
Road is in business transmission protective value or problem during abnormal condition.
The business transmission protecting based on multiring structure network that the embodiment of the present application is provided includes：
Determine service aisle of the linear protection in multiring structure network and protection passage；
Linear protection service aisle and protection passage pass through at least one looped network in for linear protection in the looped network
Interior service aisle and protection passage is respectively configured ring protection passage；
When preset state occur in the service aisle of linear protection at least one looped network and protection passage, it is switched to
The ring protection channel transfer business.
Preferably, it is linear guarantor at least one looped network that the service aisle in linear protection and protection passage pass through
The service aisle and protection passage protected in the looped network are respectively configured ring protection passage and include：
To the looped network of ring protection passage to be configured a node close to node distribution ring channel labels；
The ring protection passage of looped network is configured according to the ring channel labels for receiving.
It is further preferred that ought be to a node of the looped network of ring protection passage to be configured close to upstream node distribution ring
During channel labels, the ring protection passage of the updrift side of looped network is determined according to the ring channel labels for receiving；When to ring to be configured
When protecting the downstream node distribution ring channel labels of a node of the looped network of passage, according to the ring channel labels for receiving
Determine the ring protection passage of the downstream direction of looped network.
Preferably, it is that service aisle of the linear protection in the looped network and protection passage are matched somebody with somebody respectively at least one looped network
After putting ring protection passage, methods described also includes：
Detect the port number between the adjacent node of at least one looped network；
When the port number between the adjacent node of at least one looped network is the first predetermined number, between the adjacent node
The first predetermined number the predetermined number of channel allocation second unit bandwidth resource, so as to be switched to during ring protection passage utilize
The unit bandwidth resource transmission business of the second predetermined number of distribution, second predetermined number is less than or equal to the first present count
Amount.
It is further preferred that second predetermined number is 1 part.
Preferably, the multiring structure network includes Access Layer, convergence-level and core layer, and at least one looped network is remittance
At least one looped network in poly layer.
The embodiment of the present application additionally provides the business transmission protection device based on multiring structure network.The device includes：Really
Order unit, dispensing unit and transmission unit, wherein：
The determining unit, for determining service aisle of the linear protection in multiring structure network and protection passage；
The dispensing unit, for being at least one looped network that the service aisle of linear protection and protection passage pass through
Service aisle of the linear protection in the looped network and protection passage are respectively configured ring protection passage；
The transmission unit, occurs for the service aisle of linear protection at least one looped network and protection passage
During preset state, the ring protection channel transfer business is switched to.
Preferably, the dispensing unit includes distribution subelement and configuration subelement, wherein：
The distribution subelement, for a node from the looped network to ring protection passage to be configured close to node distribution ring
Channel labels；
The configuration subelement, the ring protection passage for configuring looped network according to the ring channel labels for receiving.
It is further preferred that when the distribution subelement is specifically for a section of the looped network to ring protection passage to be configured
Point close to upstream node distribution ring channel labels when, the configuration subelement is specifically for according to the ring channel labels that receive
Configure the ring protection passage of the updrift side of looped network；When the distribution subelement is specifically for the ring to ring protection passage to be configured
During the downstream node distribution ring channel labels of one node of net, the configuration subelement is received specifically for foundation
The ring protection passage of the downstream direction of ring channel labels configuration looped network.
Preferably, described device also includes port number detection unit and bandwidth resource allocation unit, wherein：
The port number detection unit, for being service aisle of the linear protection in the looped network at least one looped network
After being respectively configured ring protection passage with protection passage, the port number between the adjacent node of at least one looped network is detected；
The bandwidth resource allocation unit, is first for the port number between the adjacent node of at least one looped network
It is the unit bandwidth resource of the predetermined number of channel allocation second between the adjacent node, so that transmission unit falls during predetermined number
When changing to ring protection passage using distribution the second predetermined number unit bandwidth resource transmission business, second predetermined number
Less than or equal to the first predetermined number.
It is further preferred that the bandwidth resource allocation unit is specifically for the adjacent node at least one looped network
Between port number be the first predetermined number when, be the 1 part of unit bandwidth resource of channel allocation between the adjacent node.
Preferably, the multiring structure network include Access Layer, convergence-level and core layer, the dispensing unit specifically for
Linear protection service aisle and protection passage pass through convergence-level at least one looped network in for linear protection in the ring
Service aisle and protection passage in net are respectively configured ring protection passage.
The embodiment of the present application is linear at least one looped network that the service aisle and protection passage of linear protection pass through
The service aisle in the looped network and protection passage is protected to be respectively configured ring protection passage, when the linear protection in the looped network
When preset state occur in service aisle and protection passage, ring protection channel transfer business is switched to.Compared with prior art, due to
The embodiment of the present application uses linear protection and looped network protection dual protection mechanism in an at least looped network of multiring structure network, i.e.,
Multinode or node link in different looped networks or in same looped network is set to be in abnormal condition and these improper nodes or section
When point link is located on the service aisle of linear protection and protection passage respectively, it is also possible to make full use of linear protection and looped network to protect
The respective advantage of shield, carries out business transmission, so as to improve or solve multiring structure network rings by being switched to ring protection passage
Business under border using linear protection when multinode or node link are in preset state transmits protective value or problem.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
The schematic diagram of multiple spot failure case when Fig. 1 is under multiring structure network environment using linear protection；
Fig. 2 is the flow chart of one embodiment of the business transmission protecting based on multiring structure network；
Fig. 3 is a kind of schematic network structure of embodiment described in Fig. 2；
Fig. 4 is the flow chart of another embodiment of the business transmission protecting based on multiring structure network；
Fig. 5 is the structured flowchart of the embodiment of the business transmission protection device based on multiring structure network.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, below in conjunction with the application reality
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example is only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to the application protection
Scope.
As it was previously stated, in the case where multiring structure network uses linear protection, when many in different looped networks or in same ring
When node or node link are in abnormal condition, the service aisle of linear protection and protection passage may be caused to be interrupted,
So that cannot normal transmission business.The situation of many point failures when Fig. 1 is shown under multiring structure network environment using linear protection.
Multiring structure network includes access network (Access Layer), converges net (convergence-level) and core net (core layer) shellring knot in the figure
Structure, by O points reach P points LSP service include two lines passage, i.e., the right side service aisle for being represented with solid line and with the work
The corresponding left side protection passage (note of passage：Herein to understand figure, not shown protection passage, additionally, two of linear protection lead to
Road can also be configured to cross modal), " blast " mark represent inter-node link break down, by shown in constitutional diagram 4
The trouble point of individual " blast " mark, can be divided into following three kinds of situations by fault type：
Situation one：Homonymy multipoint fault in different looped networks, such as：Trouble point 1 and the simultaneous faults of trouble point 3, the and of trouble point 2
The simultaneous faults of trouble point 4；
Situation two：Heteropleural multipoint fault in different looped networks, such as：Trouble point 1 and the simultaneous faults of trouble point 4, the and of trouble point 2
The simultaneous faults of trouble point 4；
Situation three：(heteropleural) multipoint fault in identical looped network, such as：Trouble point 1 and the simultaneous faults of trouble point 2, trouble point 3
With the simultaneous faults of trouble point 4.
When LSP service is transmitted shown in figure, or because the trouble point of situation one occurs to lead in the work of LSP service
On road, otherwise occur on protection passage, it is thereby possible to select realizing the transmission of LSP service without the passage of failure.So
And, for situation two and situation three, both occurred due to trouble point on the service aisle of LSP service, occur again in protection passage
On, two passes cannot normal work so that can not realize LSP service transmit, LSP service protection passage protective effect lose
Effect.To solve the above mentioned problem that multiring structure network is likely to occur using linear protection, this application provides one kind based on polycyclic
The embodiment of the business transmission protecting of structural network.Referring to Fig. 2 and Fig. 3, wherein：Fig. 2 shows the flow of the present embodiment,
Fig. 3 shows a kind of network structure situation of the present embodiment.The embodiment includes：
Step S201：Determine service aisle of the linear protection in multiring structure network and protection passage；
The Network that linear protection is directed to predominantly point-to-point service, protected mode is end-to-end protection, Network
The path that the service aisle and protection passage configured in multiring structure network pass through can be logical in establishment Network configuration
It is determined in advance during road.If the work of Configuration network vocational work passage and protection passage is had been manually done by user, will can match somebody with somebody
Put result to be recorded in storage medium, the service aisle of linear protection is read out by the present embodiment and protects the information of passage true
Routing information of the constant linear protection in multiring structure network；If the work of Configuration network vocational work passage and protection passage
Completed by automation equipment, such as webmastering software, then can be logical by the service aisle and protection for being calculated automatically from Network
Road, so as to obtain routing information of the linear protection in multiring structure network automatically.As shown in figure 3, the linear protection road for determining
Footpath is by the service aisle positioned at right side and the protection passage positioned at left side of A points to B points.
Step S202：It is linear protection at least one looped network that the service aisle and protection passage of linear protection pass through
Service aisle and protection passage in the looped network are respectively configured ring protection passage；
Service aisle of the linear protection in multiring structure network and protection passage determined by abovementioned steps may be through
Multiple looped networks of multiring structure network are crossed, the present embodiment can select to be linear protection in a wherein looped network in the looped network
Interior service aisle and protection passage is respectively configured ring protection passage, it is also possible to by the service aisle of linear protection and protection passage
The all looped networks for passing through carry out the configuration of ring protection passage, complexity that this technology depended in real process is realized or
The only factor such as cost.Such as, because looped network configuration is higher to device hardware requirement, if multiring structure network includes access
Layer, then the equipment of Access Layer is generally relatively difficult to support, so, ring protection can be configured in the layer of other outside Access Layer and is led to
Road.As shown in figure 3, the service aisle of linear protection and protection passage only can converge net by three rings of multiring structure
Looped network in configuration ring protection passage, and other two layers do not configure ring protection passage.
Configure the ring protection of the service aisle and protection passage of the service aisle and protection passage of linear protection in looped network
Passage can have various implementations, such as can with a node of the looped network of ring protection passage to be configured as source node,
To be in other nodes of same ring with the source node as destination node, the passage set up successively between two nodes, so that
Constitute ring protection passage；Can also be purpose node with a node of the looped network of ring protection passage to be configured, other nodes are
Source node, configures ring protection passage.In a ring, the service aisle of each node and protection passage can be with the part for overlapping
Shared, it is also possible to not share, the former can be reduced as far as the quantity of service aisle and protection passage, although the latter relative to
The former can increase service aisle with the quantity of protection passage, but because the node total number amount in ring is limited, the total number of channels will not
Can infinitely increase.
By taking the looped network where the convergence net shown in Fig. 3 as an example, the looped network includes M, N, L node, it is now desired to configuration section
The ring protection protection passage that M to L sections of point, is illustrated, M nodes using the destination node that M nodes enter ring as Network here
To its close to node N distribution ring channel labels, N nodes receive the ring protection channel section set up between MN after the ring channel labels
RC1, the like, N nodes again to its close to node L initial ring channel labels, request set up to M nodes ring protection lead to
Road, L node receives the ring protection channel section RC2 set up between LN after the ring channel labels, by two ring protection channel section groups
Into the ring protection channel section by L to M.It should be noted that：Here it is the clockwise logic environmental protection set up as purpose node with M
Shield passage, in practical application, it is also possible to set up ring protection passage counterclockwise by purpose node of M, or both direction ring
Protection passage is set up.I.e. when the node to ring protection passage to be configured close to upstream node distribution ring channel labels when, according to
The ring protection passage of the updrift side of looped network is determined according to the ring channel labels for receiving；When the node to ring protection passage to be configured
Close to downstream node distribution ring channel labels when, the work of the downstream direction of looped network is determined according to the ring channel labels that receive
Passage and protection passage.Here " upstream " and " downstream " is relative concept, is " upstream " with a direction, and its opposite direction is just
It is " downstream ".If upstream and downstream direction configures ring protection passage, the node in a looped network can at most set up right with it
The 4 ring protection passages answered.
Step S203：When preset state occur in the service aisle of linear protection at least one looped network and protection passage
When, it is switched to the ring protection channel transfer business.
The ring protection passage that service aisle of the linear protection in looped network is respectively configured with protection passage with it is constituted a pair
Passage group, Network can select the passage to carry out business transmission under a kind of state of looped network node link, when this
After state changes, then can switch to another passage carries out business transmission.Such as Network waiting for transmission now
Service aisle goes wrong, and selects the protection channel transfer business of linear protection, and after selection protection passage in the protection passage
Certain node link also break down so that the state of looped network node link changes, then originally can be by the linear guarantor
The Network of the protection channel transfer of shield will switched and transmitted on the ring protection passage of the protection passage, and works as the guarantor of linear protection
Malfunctioning node link on shield passage is repaired, and the state of looped network node link changes again, then by ring protection
The protection passage that the Network of channel transfer will can switch back to linear protection is transmitted.Network is being not provided with ring
Protecting the business transmission of other Single-ring networks of passage can be transmitted still according to the mode of linear protection.Here preset state
It can be any state that channel switching is carried out the need for the determination according to actual conditions, it is generally the case that the default shape
State can be preset as malfunction.
The present embodiment is linear protection at least one looped network that the service aisle and protection passage of linear protection pass through
Service aisle and protection passage in the looped network are respectively configured ring protection passage, when the work of the linear protection in the looped network
When preset state occur in passage and protection passage, ring protection channel transfer business is switched to.Compared with prior art, due to this reality
Example is applied in an at least looped network of multiring structure network using linear protection and looped network protection dual protection mechanism, even if in difference
Multinode or node link are in abnormal condition and these improper nodes or node link point in looped network or in same looped network
Not Wei Yu linear protection service aisle and protection passage on when, it is also possible to make full use of the respective of linear protection and looped network protection
Advantage, business transmission is carried out by being switched to ring protection passage, so as to solve or to improve use under multiring structure network environment
Business of the linear protection when multinode or node link are in preset state transmits protection problem or performance.
Previous embodiment configures ring protection passage side by the service aisle and protection passage for being linear protection in looped network
Formula can improve or solve business transmission protection problem or the performance occurred under multiple spot failure case in multiring structure network.But
It is that the ring protection passage for configuring here there may be repetition, causes the waste of bandwidth resources.Reason is：
When only with linear protection, there are double service traffics on service aisle and protection passage, in total bandwidth money
In the case that source is 2G, the unit bandwidth resource of 1G is distributed if service aisle, correspondingly, protection passage also distributes 1G bands
Width, because service aisle and protection passage " selecting " are used, network bandwidth resources utilization rate is 50%.When only with looped network protection
When, the two-way upper ring of business is configured with a ring protection passage for switching failure business in opposite direction, co-exists in 4 passages, such as
Fruit clockwise direction ring service aisle distributes 0.5G bandwidth, and counterclockwise environmentally friendly passage accordingly distributes 0.5G bandwidth, counterclockwise
Direction service aisle distribution 0.5G bandwidth, protects passage accordingly to distribute 0.5G bandwidth, network during two-way upper ring clockwise
Bandwidth availability ratio is also 50%.And when using " double protections " mechanism of linear protection and looped network protection according to previous embodiment, by
An environmental protection is configured in looped network protection mechanism in the service aisle and protection passage of consolidated network business linear protection
Shield passage, in a span (the MN spans of such as Fig. 3) two service aisles of same business and two protection passage (for
For looped network, the protection passage of linear protection is considered as service aisle) while in the presence of, when each passage distributes same band,
Network bandwidth utilization factor is only 25%.As can be seen here, under using " duplicate protection " mechanism of linear protection and looped network protection, can
The problem of bandwidth resources utilization rate decline can occur.To solve the problem, the application further changes on the basis of above-described embodiment
Enter, it is proposed that the embodiment of another following business transmission protecting based on multiring structure network.Referring to Fig. 4, the figure
Show the flow of the embodiment.The embodiment includes：
Step S401：Determine service aisle of the linear protection in multiring structure network and protection passage；
Step S402：It is linear protection at least one looped network that the service aisle and protection passage of linear protection pass through
Service aisle and protection passage in the looped network are respectively configured ring protection passage；
For purposes of illustration only, here by taking LSP service as an example, service aisle of the LSP service linear protection on looped network is designated as
WLSP_wRing, the protection passage by LSP service linear protection on looped network is designated as wLSP_pRing, will be protection LSP service
Service aisle on looped network and the ring protection passage that configures is designated as pLSP_wRing, will be protection LSP service on looped network
Protection passage and the ring protection passage that configures is designated as pLSP_pRing, then in the same span (portion in looped network between adjacent node
Point) at least following combination of channels can occur：
WLSP_wRing and pLSP_pRing
PLSP_wRing and wLSP_pRing
PLSP_pRing and wLSP_pRing
Step S403：Detect the port number between the adjacent node of at least one looped network；
For same LSP service, find that each span of looped network there may be following 3 kinds of combinations by traversal detection paragraph by paragraph
6 port numbers：
WLSP_wRing and pLSP_pRing
PLSP_wRing and wLSP_pRing
PLSP_pRing and wLSP_pRing
Step S404：When the port number between the adjacent node of at least one looped network is the first predetermined number, for this
The unit bandwidth resource of the predetermined number of channel allocation second of the first predetermined number between adjacent node, second predetermined number
Less than or equal to the first predetermined number；
Port number in Single-ring network between each adjacent node can be obtained by detection, when port number is the first predetermined number
When, it is unit bandwidth resource of these port numbers distribution less than or equal to the second predetermined number of the first predetermined number, so-called list
The single width resource in position is the minimum bandwidth of resource number set in advance, such as, can be 0.5G, or 1G, it is depended on
The factor such as total business volume that multiring structure network can be carried and the bandwidth total resources situation of current network.The step is indicated
Both sides feature：
One is the Starting mode of the unit bandwidth resource for distributing the second predetermined number, and which is only when between adjacent node
Port number reach the first predetermined number and just start the unit bandwidth resource of the second predetermined number and share out the work, that is to say, that
Even if the port number between adjacent node is more, but when also under the first predetermined number, current network bandwidth total resources are such as
Fruit can also bear the transformation task of Network, then can not carry out the distribution of the unit bandwidth resource of the second predetermined number,
The respective unit bandwidth resource of each channel allocation is remained as, such as, there are 4 passages, then distribute 4 parts of unit bandwidth resources.This
In the first predetermined number can be set according to actual conditions.
Two is the quantity limitation of the unit bandwidth resource for distributing the second predetermined number, and the quantity must is fulfilled for the second present count
Amount is less than or equal to the condition of the first predetermined number, such as, if the current channel number of certain adjacent node of looped network is 1,
It is 1 part of unit bandwidth resource of a channel allocation, if the current channel number of certain adjacent node of looped network is 6, can be with
It is 6,5,4,3,2 parts of unit bandwidth resources of this 6 channel allocations, or even also only distributes 1 part of unit bandwidth resource.Here " second
Which kind of quantity predetermined number " selects on earth, depending on the Consideration in actual application, such as, when by network resource usage
When rate is as major consideration, then can the second predetermined number be set smaller as much as possible, be passed when by Network
When defeated data throughout is as major consideration, then can the second predetermined number be set larger as far as possible.But,
No matter the unit bandwidth resource of which kind of second predetermined number part is selected, as long as its quantity meets is less than or equal to the first predetermined number
This constraints, just can on the whole save network bandwidth resources, improve the utilization rate of bandwidth resources.
Step S405：When preset state occur in the service aisle of linear protection at least one looped network and protection passage
When, it is switched to unit bandwidth resource transmission business of the ring protection passage using the second predetermined number of distribution；
By the way that after the distribution of foregoing bandwidth resources, the number of the unit bandwidth resource between the adjacent node on looped network is less than
Or equal to the port number of the adjacent node, due to these different passages will not simultaneous transmission network data, therefore, the bandwidth of distribution
The normal transmission of resource and without prejudice to transmission services.When the service aisle of linear protection at least one looped network and protection passage go out
During existing preset state, such as, during many point failure (or multipoint faults), it is switched to second present count of the ring protection passage using distribution
The unit bandwidth resource transmission business of amount.
Above content is the description to the present processes embodiment, correspondingly, present invention also provides device embodiment.
Referring to Fig. 5, the business for being based on multiring structure network the figure shows the application transmits protection device.The device embodiment includes：
Determining unit 501, dispensing unit 502 and transmission unit 503, wherein：
Determining unit 501, for determining service aisle of the linear protection in multiring structure network and protection passage；
Dispensing unit 502, for being at least one looped network that the service aisle of linear protection and protection passage pass through
Service aisle of the linear protection in the looped network and protection passage are respectively configured ring protection passage；
Transmission unit 503, occurs for the service aisle of linear protection at least one looped network and protection passage
During preset state, the ring protection channel transfer business is switched to.
The course of work of present apparatus embodiment is：Determining unit 501 is it is determined that linear protection is in multiring structure network
After service aisle and protection passage, at least one stimulated the menstrual flow in the service aisle of linear protection and protection by dispensing unit 502
It is that service aisle of the linear protection in the looped network and protection passage are respectively configured ring protection passage in looped network, then, transmission is single
Unit 503 service aisle of linear protection and protection passage at least one looped network when there is preset state, are switched to institute
State ring protection channel transfer business.
Present apparatus embodiment is linearly protected at least one looped network that the service aisle and protection passage of linear protection pass through
The service aisle and protection passage protected in the looped network are respectively configured ring protection passage, when the work of the linear protection in the looped network
When making passage and protecting passage preset state occur, the ring protection channel transfer business based on configuration.Compared with prior art, by
Linear protection and looped network protection dual protection mechanism are used in an at least looped network of multiring structure network in present apparatus embodiment,
Even if in different looped networks or in same looped network multinode or node link be in abnormal condition and these improper nodes or
When node link is located on the service aisle of linear protection and protection passage respectively, it is also possible to make full use of linear protection and looped network
The respective advantage of protection, carries out business transmission, so as to solve or improve multiring structure network by being switched to ring protection passage
Business under environment using linear protection when multinode or node link are in preset state transmits protection problem or performance.
Dispensing unit 502 in said apparatus embodiment can have not according to the mode of different configuration ring protection passages
Same internal structure.Such as, dispensing unit 502 can include distribution subelement 5021 and configuration subelement 5022, wherein：Distribution
Subelement 5021, for a node from the looped network to ring protection passage to be configured close to node distribution ring channel labels；Match somebody with somebody
Subelement 5022 is put, the ring protection passage for configuring looped network according to the ring channel labels for receiving.When distribution subelement 5021
Specifically for a node from the looped network to ring protection passage to be configured close to upstream node distribution ring channel labels when, configuration
Ring protection passage of the subelement 5022 specifically for the updrift side according to the ring channel labels configuration looped network for receiving；Work as distribution
Downstream node distribution ring passage of the subelement 5021 specifically for a node of the looped network to ring protection passage to be configured
During label, ring protection of the configuration subelement 5022 specifically for the downstream direction according to the ring channel labels configuration looped network for receiving
Passage.By the ring protection passage of above-mentioned label scheme configuration based on looped network (each node), do not rely on looped network
Transmission services, and two-way 4 passages can be configured, so as to ensure business normal transmission on looped network as much as possible.
Said apparatus embodiment is not limited to as the service aisle and protection passage of linear protection configure ring on looped network
After protection passage, if the quantity of ring protection passage is more, how these interchannels use the problem of bandwidth resources.Due to these
There is certain dependence, it is impossible to while work, divides equally if each the ring protection passage for configuring and wear between passage
Resource wide, although transmission level of protection can be improved, is detrimental to the saving of bandwidth resources and proposing for bandwidth resources utilization rate
It is high.In consideration of it, the device of above-described embodiment can also include port number detection unit 504 and bandwidth resource allocation unit 505, its
In：Port number detection unit 504, for being service aisle and protection of the linear protection in the looped network at least one looped network
After passage is respectively configured ring protection passage, the port number between the adjacent node of at least one looped network is detected；Bandwidth resources point
With unit 505, during for the port number between the adjacent node of at least one looped network for the first predetermined number, for this is adjacent
The unit bandwidth resource of the predetermined number of channel allocation second between node, utilizes when being switched to ring protection passage so as to transmission unit
The unit bandwidth resource transmission business of the second predetermined number of distribution, second predetermined number is less than or equal to the first present count
Amount.Here the second predetermined number can be 1 part, i.e. bandwidth resource allocation unit 505 specifically at least one ring
It is the 1 part of unit bandwidth money of channel allocation between the adjacent node when port number between the adjacent node of net is the first predetermined number
Source.The number of passage is less than or equal to due to the number of the unit bandwidth resource distributed, therefore, can generally improve network money
The utilization rate in source.
Above-described embodiment does not limit the specific constructive form of multiring structure network, even now and without prejudice to the application hair
The realization of improving eyesight, however, in actual application, it is contemplated that the factor such as complexity and financial cost of configuration looped network,
Possible selection only carries out the configuration of ring protection passage on certain a part of looped network.Such as, when multiring structure network includes accessing
When layer, convergence-level and core layer, what dispensing unit 502 can stimulate the menstrual flow specifically for the service aisle in linear protection and protection
It is that service aisle of the linear protection in the looped network and protection passage are respectively configured ring protection at least one looped network of convergence-level
Passage, and other Access Layers and core layer are still only with linear protection mechanism.
For convenience of description, it is divided into various units with function during description apparatus above to describe respectively.Certainly, this is being implemented
The function of each unit can be realized in same or multiple softwares and/or hardware during application.Such as, can be by repertoire
Unit forms a single unit system, for controlling the Network in whole multiring structure network to transmit, can also be by whole work(
Energy unit is distributed on each Single-ring network (each node), is cooperated by the respective functional unit of these looped networks (node) and is realized this
The allomeric function of device embodiment.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
Realized by the mode of software plus required general hardware platform.Based on such understanding, the technical scheme essence of the application
On the part that is contributed to prior art in other words can be embodied in the form of software product, the computer software product
Can store in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are used to so that a computer equipment
(can be personal computer, server, or network equipment etc.) performs some of each embodiment of the application or embodiment
Method described in part.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for system reality
Apply for example, because it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to embodiment of the method
Part explanation.System embodiment described above is only schematical, wherein described illustrate as separating component
Unit can be or may not be physically separate, 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 the actual needs
Some or all of module therein is selected to realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying
In the case of creative work, you can to understand and implement.
The application can be used in numerous general or special purpose computing system environments or configuration.For example：Personal computer, service
Device computer, handheld device or portable set, laptop device, multicomputer system, the system based on microprocessor, top set
Box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, including any of the above system or equipment
DCE etc..
The application can be described in the general context of computer executable instructions, such as program
Module.Usually, program module includes performing particular task or realizes routine, program, object, the group of particular abstract data type
Part, data structure etc..The application can also be in a distributed computing environment put into practice, in these DCEs, by
Remote processing devices connected by communication network perform task.In a distributed computing environment, program module can be with
In local and remote computer-readable storage medium including including storage device.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (12)
1. a kind of business transmission protecting based on multiring structure network, it is characterised in that the method includes：
Determine service aisle of the linear protection in multiring structure network and protection passage；
Linear protection service aisle and protection passage pass through at least one looped network in for linear protection in the looped network
Service aisle and protection passage are respectively configured ring protection passage；
When preset state occur in the service aisle of linear protection at least one looped network and protection passage, it is switched to described
Ring protection channel transfer business.
2. method according to claim 1, it is characterised in that the service aisle in linear protection and protection passage warp
It is that service aisle of the linear protection in the looped network and protection passage are respectively configured ring protection passage at least one looped network crossed
Including：
To the looped network of ring protection passage to be configured a node close to node distribution ring channel labels；
The ring protection passage of looped network is configured according to the ring channel labels for receiving.
3. method according to claim 2, it is characterised in that when a node of the looped network to ring protection passage to be configured
Close to upstream node distribution ring channel labels when, the environmental protection of the updrift side of looped network is determined according to the ring channel labels that receive
Shield passage；When the downstream node distribution ring channel labels of a node of the looped network to ring protection passage to be configured, according to
The ring protection passage of the downstream direction of looped network is determined according to the ring channel labels for receiving.
4. method according to claim 1, it is characterised in that at least one looped network be linear protection in the looped network
Service aisle and protection passage be respectively configured ring protection passage after, methods described also includes：
Detect the port number between the adjacent node of at least one looped network；
It is the between the adjacent node when the port number between the adjacent node of at least one looped network is the first predetermined number
The unit bandwidth resource of the predetermined number of channel allocation second of one predetermined number, to be switched to during ring protection passage using distribution
The second predetermined number unit bandwidth resource transmission business, second predetermined number be less than or equal to the first predetermined number.
5. method according to claim 4, it is characterised in that second predetermined number is 1 part.
6. the method according to any one of claim 1 to 5, it is characterised in that the multiring structure network includes connecing
Enter layer, convergence-level and core layer, at least one looped network is at least one looped network in convergence-level.
7. a kind of business based on multiring structure network transmits protection device, it is characterised in that the device includes：Determining unit,
Dispensing unit and transmission unit, wherein：
The determining unit, for determining service aisle of the linear protection in multiring structure network and protection passage；
The dispensing unit, for being linear guarantor at least one looped network that the service aisle of linear protection and protection were stimulated the menstrual flow
The service aisle and protection passage protected in the looped network are respectively configured ring protection passage；
The transmission unit, occurs default for the service aisle of linear protection at least one looped network and protection passage
During state, the ring protection channel transfer business is switched to.
8. device according to claim 7, it is characterised in that the dispensing unit includes that distribution subelement and configuration are single
Unit, wherein：
The distribution subelement, for a node from the looped network to ring protection passage to be configured close to node distribution ring passage
Label；
The configuration subelement, the ring protection passage for configuring looped network according to the ring channel labels for receiving.
9. device according to claim 8, it is characterised in that when the distribution subelement is specifically for environmental protection to be configured
Protect passage looped network a node close to upstream node distribution ring channel labels when, the configuration subelement specifically for according to
According to the ring protection passage of the updrift side of the ring channel labels configuration looped network for receiving；When it is described distribution subelement specifically for
During the downstream node distribution ring channel labels of one node of the looped network of ring protection passage to be configured, the configuration subelement
Specifically for the ring protection passage of the downstream direction according to the ring channel labels configuration looped network for receiving.
10. device according to claim 7, it is characterised in that described device also includes port number detection unit and bandwidth
Resource allocation unit, wherein：
The port number detection unit, for being service aisle and guarantor of the linear protection in the looped network at least one looped network
After shield passage is respectively configured ring protection passage, the port number between the adjacent node of at least one looped network is detected；
The bandwidth resource allocation unit, is first default for the port number between the adjacent node of at least one looped network
It is the unit bandwidth resource of the predetermined number of channel allocation second between the adjacent node, so that transmission unit is switched to during quantity
Using the unit bandwidth resource transmission business of the second predetermined number for distributing during ring protection passage, second predetermined number is less than
Or equal to the first predetermined number.
11. devices according to claim 10, it is characterised in that the bandwidth resource allocation unit is specifically for described
It is 1 part of channel allocation between the adjacent node when port number between the adjacent node of at least one looped network is the first predetermined number
Unit bandwidth resource.
12. device according to any one of claim 7 to 11, it is characterised in that the multiring structure network includes
Access Layer, convergence-level and core layer, the dispensing unit pass through specifically for the service aisle in linear protection and protection passage
Convergence-level at least one looped network in for service aisle of the linear protection in the looped network and protection passage be respectively configured ring
Protection passage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210460968.3A CN103812689B (en) | 2012-11-15 | 2012-11-15 | Business transmission protecting and device based on multiring structure network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210460968.3A CN103812689B (en) | 2012-11-15 | 2012-11-15 | Business transmission protecting and device based on multiring structure network |
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| CN103812689A CN103812689A (en) | 2014-05-21 |
| CN103812689B true CN103812689B (en) | 2017-05-31 |
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| CN103812689A (en) | 2014-05-21 |
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