CN1815975A - End-to-end business automatic configurating and restoring method in ASON network - Google Patents
End-to-end business automatic configurating and restoring method in ASON network Download PDFInfo
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- CN1815975A CN1815975A CN 200510033115 CN200510033115A CN1815975A CN 1815975 A CN1815975 A CN 1815975A CN 200510033115 CN200510033115 CN 200510033115 CN 200510033115 A CN200510033115 A CN 200510033115A CN 1815975 A CN1815975 A CN 1815975A
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Abstract
The method includes steps: classifying all bandwidth resource; based on number of out going degree, the method maintains a table, which is in use for defining bandwidth to be used, for each out going degree for all net element nodes; when a new service is needed to configuration, inlet nodes, outlet nodes, and grades of new service are needed to input; based on grades of new service, the method distributes bandwidth according to relation of distribution between grade of service and classified bandwidth; calculating loss value of relative capacity of each route, and selecting route with minimal cumulative sum of loss value of relative capacity as the recovery or configuration route for the service. Based on grade and quality of survice, the invention implements optimized use of bandwidth resources. Under restricted bandwidth resource, the invention preempts bandwidth in order to raise rate of configurating services and to guarantee that service grades are executed severely.
Description
Technical field
The present invention relates to a kind of business configuration of ASON and the method for recovery, the teleservice that relates in particular to a kind of ASON disposes and restoration methods automatically.
Background technology
ASON is a kind of automatic switched transport network, dynamically initiates service request by the user, automatic routing, and by signaling control realization establishment of connection, dismounting, be the optical-fiber network of new generation that melts exchange, is transmitted as one.The generation of ASON ASON (Automatic Switched Optical Network) comes from following demand: 1, the rapid growth of broadband data service and special line letting etc., the capacity of network is increasing, scheduling pressure increases, and requirement can be dispatched automatically; 2, the sudden characteristics of data service require energy automatic dynamic on-demand application, and traditional semi-static configuration mode can't meet the demands; 3, Ye Wu growth does not bring corresponding profit reciprocation to operator, and Carrier Requirements cuts operating costs, and value-added service is provided; 4, network scalability, flexibly service dispatching, cut operating costs, real-time network management, fastext provide, big capacity business is dredged, the data traffic burst sexual demand, provide value-added service; 5, the professional automatic foundation that connects makes things convenient for the user, reduces with the dimension cost; 6, the flexibility of business recovery is to improve utilization rate of network resource.
Characteristics below the ASON that produces under above demand has: network can automated topology; Can carry out the automatic configuration of teleservice fast; Can MESH networking and protection; The network traffics equilibrium; The service of differentiation can be provided, can be defined as the following different grades of service:
◆ diamond business: LSP1+1 end to end, 1:1 protection, the heavy-route after switching, service protection time: 0-20ms;
◆ the gold level is professional: the business of multiplex section protection, and service protection time: 0-50ms switches failure rerouting recovering afterwards, the business recovery time: hundreds of millisecond-several seconds;
◆ silver service: the heavy-route protection, calculate the protection path in real time, the business recovery time: hundreds of millisecond-several seconds;
◆ copper level business: unprotect;
◆ iron service: can seize business.
Diamond level business wherein, gold level business and silver service all need the recovery of heavy-route, but they are different for the rating of seizing of the bandwidth resources that remain in advance recovering, it is professional to be that the business of high priority is recovered if desired, then can seize the bandwidth resources that restoration path that low priority traffice used uses.For example business recovery has taken place in a silver service, the bandwidth resources of having used some to be used to recover, at this moment the professional industry of gold level need be carried out professional recovery, but has not had operable reserved bandwidth, just can seize the bandwidth resources of using on the above-mentioned silver service restoration path.
For realizing function recited above, ASON is actually and utilizes the transmission of signaling between network node, carries out the processing of series of protocols, realizes establishment of connection, dismounting, melts exchange, is transmitted as one.Wherein main agreement comprises following:
1, Routing Protocol: seek optimum path according to the condition that is provided with:
Routing Protocol in the territory: 0SPF
Inter-domain routing protocol: DDRP
2, signaling: realize the professional foundation and the transmission of state information etc.:
The RSVP of traffic engineering expansion: RSVP-TE
Label distribution protocol based on constraint: CR-LDP
Private network interface protocol: PNNI
3, LMP Link Manager Protocol: LMP
Be used to find data link, and the data link is managed and safeguards.
The above-mentioned network technology of prior art is not carried out Classification Management for all bandwidth; when new business configuration demand; can only in untapped bandwidth, distribute; can not effectively utilize the bandwidth on the multiplex section that is configured to the professional NUT of unprotect (Non-pre-emptible unprotected traffic); can not effectively utilize the bandwidth on the multiplex section that issues the work lock command, and not carry out seizing of bandwidth.
Therefore, existing ASON technique influence configuration service the time high-priority service join logical probability, simultaneously, when recovering for high-priority service, owing to can not seize the business of low priority, therefore can not embody the difference of business service grade fully, cause high professional obstructed of priority, and the situation that the low business of priority is led to.For multiplex section protection and well combination of MESH networking protection, effectively do not use with the bandwidth that the work locking is influenced simultaneously for the non-professional NUT of unprotect that seizes in the multiplex section protection.
For this reason, the present invention is by carrying out Classification Management for all bandwidth resources, and the height according to business service grade distributes in sorted bandwidth resources in configuration service and business recovery, and under the situation of bandwidth resources deficiency, carry out seizing of bandwidth, realize improvements over the prior art and development.
Summary of the invention
The object of the present invention is to provide the method that teleservice disposes and recovers automatically in a kind of ASON network, this method is by carrying out Classification Management to all bandwidth resources, and the bandwidth resources of described classification are distributed according to the size that relative ability loses RCL (Relative CapabilityLoss) according to the height of business service grade, finish professional configuration, under the situation that traffic lost takes place, use is carried out again automatic configuration with quadrat method for business, realizes can carrying out the rerouting recovering that bandwidth is seized according to the business service grade height.
Technical scheme of the present invention is as follows:
The method that teleservice disposes and recovers automatically in a kind of ASON network, it may further comprise the steps:
A) bandwidth resources all in the ASON network are classified;
B) grade of service and sorted bandwidth resource allocation being carried out corresponding, be form of each out-degree maintenance of all network element nodes according to what of out-degree, is used to define the situation that all bandwidth are classified and use on this out-degree;
C) when needs dispose a new business automatically, need the grade of input ingress and egress and this new business;
D) according to the grade of this new business,, search out the route of egress according to described form from the ingress of business.
Described method, wherein, the process that described step d) is sought the route of egress comprises:
E) calculate the relative ability loss value of each route at egress, select that relative ability loss value adds up and minimum path is the recovery or the configuration path of this business; If the relative ability loss value in all paths is infinity, then need to carry out seizing of bandwidth resources according to the operating position of type of service and sorted bandwidth resources, at first guarantee the recovery or the configuration of high-priority service.
Described method, wherein, described business recovery or configure after, also regularly all business are optimized, make all professional relative ability loss value minimums.
Described method, wherein, the value of relative ability loss described in the described step e) is defined as
Wherein n is the jumping figure from the ingress to the egress, and i is a stoichiometric number, is a certain jumping among the n.
Described method, wherein, bandwidth resources grade separation method comprises in the described step a):
0 class: be configured to the bandwidth of SNCP business, these class bandwidth resources can not be used to automatic distribution;
1 class: be configured to the bandwidth of diamond level business, these bandwidth are distributed automatically by ASON, but these bandwidth can not be seized when new professional distribution is automatically arranged, promptly can not be assigned with again;
2 classes: be configured to the bandwidth of the non-NUT business in the working optical fibre of multiplex section protection, these bandwidth can be used when configuration gold level is professional, but have new professional distribute automatically in these bandwidth can not be seized;
3 classes: when diamond level business is switched, the bandwidth resources that heavy-route is shared, these bandwidth can not be seized when new professional distribution is automatically arranged;
4 classes: the gold level is professional switches when failing, and the bandwidth resources that heavy-route is shared there being new diamond level business can be seized in the configuration automatically, can not be seized under other the heavy-route situation;
5 classes: the bandwidth resources that silver service is shared, and shared bandwidth resources during silver service generation heavy-route, there being new diamond level professional and the gold level is professional can be seized in the configuration automatically, can not be seized under other the heavy-route situation;
6 classes: dispose the professional shared bandwidth resources that are configured to NUT on the working optical fibre of multiplex section protection, and be configured to multiplex section but issue all bandwidth on the working optical fibre of section of work lock command, these bandwidth resources can preferentially be configured to copper level business;
7 classes: disposed all bandwidth resources on the protection optical fiber of multiplex section protection, can be used to dispose iron service;
8 classes: all are not configured to multiplex section protection, and the bandwidth resources that are not used again can be used to dispose diamond level business, and silver service and copper level business also can be used to heavy-route;
9 classes: unavailable bandwidth, i.e. bandwidth behind the 1st, 3,4,5,8 class bandwidth resources generation signal crackings and the Signal Fail; After signal cracking and Signal Fail disappearance, the bandwidth resources of the 9th class will become the bandwidth resources of the 8th class.
Described method, wherein, the distribution principle of described bandwidth resources in business recovery or automatic configuration is as follows:
For professional priority allocation the 8th class bandwidth resources of diamond level, if resource is seized the 6th class, the 5th class, the bandwidth resources of the 4th class inadequately more successively;
For the professional bandwidth resources that can only be distributed in the 2nd class of gold level, if can not effectively protecting by multiplex section rearrangement, business needs business recovery, priority allocation the 8th class bandwidth resources then are if resource is inadequately then seize the 6th class successively, the bandwidth resources of the 5th class;
For silver service priority allocation the 8th class bandwidth resources, if resource is seized the bandwidth resources of the 6th class inadequately again;
For the professional priority allocation of copper level in the 6th class bandwidth resources, if resource can be used the bandwidth resources of the 8th class inadequately;
For iron service priority allocation the 7th class bandwidth resources, if resource can be used the 8th class bandwidth resources inadequately.
The method that a kind of teleservice provided by the present invention disposes and recovers automatically, under the situation of ASON and MSP mixed networking, owing to adopt all bandwidth resources carried out Classification Management, and the bandwidth resources of described classification are distributed according to the size of relative ability loss according to the grade difference that service business is provided, realized raising at the service quality of different business grade, take into account the trend of existing network present situation and MESH networking, taken into account the requirement of bandwidth utilization and business service grade.
Description of drawings
Fig. 1 is the schematic diagram of the typical MESH networking of the inventive method;
Fig. 2 is the network system schematic diagram of first grade of service of the inventive method;
Fig. 3 is the network system schematic diagram of second grade of service of the inventive method;
Fig. 4 is the network system schematic diagram of the 3rd grade of service of the inventive method;
Fig. 5 is the network system schematic diagram of the 4th grade of service of the inventive method;
Fig. 6 is the network system schematic diagram of the 5th grade of service of the inventive method.
Last embodiment
Hereinafter, will describe the inventive method in detail.
A kind of teleservice of the present invention is configuration and the method recovered automatically, and it at first carries out Classification Management with all bandwidth resources, and classification specifically can following grade:
◆ 0 class: be configured to the business of SNCP, these class bandwidth resources can not be used to automatic distribution;
◆ 1 class: be configured to the bandwidth of diamond level business, these bandwidth can be distributed automatically by ASON, but these bandwidth can not be seized when new professional distribution is automatically arranged;
◆ 2 classes: be configured to the bandwidth of the non-NUT business in the working optical fibre of MSP, these bandwidth can be used when configuration gold level is professional, but have new professional distribute automatically in these bandwidth can not be seized;
◆ 3 classes: when diamond level business was switched, the bandwidth resources that heavy-route is shared, these bandwidth resources these bandwidth when new professional distribution is automatically arranged can not be seized;
◆ 4 classes: the gold level is professional switches when failing, the bandwidth resources that heavy-route is shared, and these bandwidth resources can not be seized under other the heavy-route situation there being new diamond level business can be seized in the configuration automatically;
◆ 5 classes: the bandwidth resources that silver service is shared, and shared bandwidth resources during silver service generation heavy-route, these bandwidth resources can not be seized under other the heavy-route situation there being the professional and golden level business of new diamond level can be seized in the configuration automatically;
◆ 6 classes: dispose the professional shared bandwidth resources that are configured to NUT on the working optical fibre of MSP, these bandwidth resources can be configured to copper level business.
◆ 7 classes: disposed all bandwidth resources on the protection optical fiber of MSP, these bandwidth resources can be used to dispose iron service;
◆ 8 classes: the bandwidth resources that all are not used, can be used to dispose diamond level business, silver service, copper level business or iron service also can be used to heavy-route;
◆ 9 classes: unavailable bandwidth, i.e. bandwidth behind the 1st, 3,4,5 class bandwidth resources generation signal crackings and the Signal Fail.After signal cracking and Signal Fail disappearance, the bandwidth resources of the 9th class will become the bandwidth resources of the 8th class.
Secondly, all network element nodes are kept a form according to what of out-degree for each out-degree, this form is stored the classification of all bandwidth and situation about being used according to the definition in the table 1, when the needs automatically new business of one of configuration the time, need input ingress and egress, and this professional grade.
The 3rd, begin to seek the route that all arrive egress from the ingress of business, and, calculate the relative ability loss RCL value of these routes according to the type of business,
Wherein n is the jumping figure from the ingress to the egress, select RCL add up and minimal path as this professional configuration path.
The 4th, when multiplex section issues the work locking, be subjected to the bandwidth resources on the working optical fibre of the section that the work locking influences to become the 6th class bandwidth resources for the bandwidth resources of the 2nd class from the 2nd class, promptly can be used to dispose copper level business.
The 5th, after business recovery, can regularly be optimized for business, make all professional RCL values minimum as far as possible.
Professional recovery process is similar with professional automatic layoutprocedure, is because transmission performance descends the automatic layoutprocedure again of the business under the situation of i.e. bandwidth resources change.When business configuration, it is that all path RCL values are infinitely-great value that business is joined obstructed condition, when promptly calculating RCL the value of denominator some be 0, when business is joined obstructed, promptly represent available bandwidth resources not enough, the situation that just exists bandwidth resources to seize, the at first recovery and the configuration successful of assurance high-priority service.
The principle of described allocated bandwidth is as follows:
For professional priority allocation the 8th class bandwidth resources of diamond level.If resource is seized the 6th class, the 5th class, the bandwidth resources of the 4th class inadequately more successively; Identical during business recovery.
Can only be distributed in 2 class bandwidth resources for gold level business, need business recovery if business can not effectively be protected by multiplex section rearrangement, then priority allocation the 8th class bandwidth resources.If resource inadequately then seize the 6th class successively, the bandwidth resources of the 5th class.
For silver service priority allocation the 8th class bandwidth resources.If resource is seized the bandwidth resources of the 6th class inadequately again, and is identical during business recovery.
On the 6th class bandwidth resources,, can use the bandwidth resources of the 8th class for the professional priority allocation of copper level if resource is not enough.
On iron service priority allocation the 7th class bandwidth resources,, can use the 8th class bandwidth resources if resource is not enough.
The summation of all types of bandwidth is the bandwidth of an optical fiber on this degree on each out-degree of each network element node, and the operating position of each out-degree bandwidth resources of network element node need comprise the operating position and the bandwidth types of each time slot, and is as shown in table 1.
Table 1
| The time slot sequence number | Operating position | Bandwidth types |
| 0 | Be not used | 8 |
| 1 | Be not used | 2 |
| 2 | Be used | 2 |
Be the ASON that forms by nine network nodes of A～I in the automatic method that disposes and recover of teleservice of the present invention as shown in Figure 1, be an embodiment of MESH networking, be with four router R1 outside it, R2, R3, R4 inserts this ASON.Easy for narrating, do following agreement: with the online A of MESH, B, C, D, the bandwidth that D, F, G, H are furnished with the section of MSP-ring is 8 VC4, and wherein 4 VC4 are bandwidth of operation, and 4 VC4 are protection bandwidth.The bandwidth of other all sections all is 4 VC4; and the granularity of the minimum of used traffic assignments all is VC4; ABCD wherein; DFGH is furnished with MSP-ring; and DH has issued the work locking; be configured to the non-professional NUT (Non-pre-emptible unprotected traffic) of unprotect that seizes on the 0th, 1 the VC4 passage on DF, the CD, the 0th VC4 on the HG is configured to NUT.
If at this moment need to dispose one from the C node, other the first estate business 1 of the VC4 level under the G node, professional grade are the gold levels, promptly need can protect for business within 50ms, if the protection failure needs business recovery.This business is by dynamically application of router R1, and the destination is router R4.This service needed is distributed on the bandwidth of 2 classes, at this moment the untapped bandwidth of 2 classes (does not show the section that available bandwidth is arranged as shown in Figure 2 among the figure, available bandwidth is 0): according to the principle of the path that makes the RCL minimum as service path, then CDFG is confirmed as this professional path.
Suppose that first constant in the RCL computing formula is that 4, the second constants also are 4, then the value in CDFG path is 4/2+4/2+4/4+3/4=5.75, is that the RCL value is minimum in all paths, therefore is chosen as this professional path.At this moment the bandwidth of the 2nd class of CD only remains a VC4, the also surplus VC4 of DF, also surplus three VC4 of FG.
Dispose one if desired from the C node, other second grade business of the VC4 level under the G node, professional grade is the diamond level, promptly need can protect for business within 20ms, if the protection failure needs business recovery.This business is dynamically application of router R1, and the destination is router R4.This service needed is distributed in the 8th class bandwidth resources, if resource is seized the 6th class inadequately more successively, and the 5th class, the bandwidth resources of the 4th class are identical during business recovery.At this moment the untapped bandwidth of 8 classes (does not show the section that available bandwidth is arranged as shown in Figure 3 among the figure; available bandwidth is 0): this moment, its operating path was shown in the R1-C-E-I-G-R4 path among the figure; because for the reliability of diamond level business for service protection; therefore do not allow operating path and protection path that coincidence is arranged; therefore only use the 8th class bandwidth can not protect the configuration in path; at this moment need to use the bandwidth of the 6th class; as shown in Fig. 3 bracket, so just can form protection path CDHG.
Like this, CE, EI, IG, the 8th class bandwidth resources on the HG section cut a VC4 respectively, CD, the 6th class bandwidth resources on the DH section cut a VC4 respectively.
Need to dispose one as shown in Figure 4 from the E node, when other tertiary gradient of the VC4 level under the G node was professional, professional grade was the silver level, business that promptly can only rerouting recovering.This business is dynamically application of router R5, and the destination is router R4.This service needed is distributed in the 8th class bandwidth resources, and is if resource is seized the bandwidth resources of the 6th class inadequately more successively, identical during business recovery.At this moment the untapped bandwidth of 8 classes (do not show the section that available bandwidth is arranged among the figure, available bandwidth is 0) as shown in Figure 4: according to the principle of RCL minimum, choose path EIG, occur at EI using path EHIG to finish professional recovery under the situation of traffic lost.
Dispose one if desired from the C node, other fourth estate business of the VC4 level under the I node, professional grade is the copper level, does not promptly need the business of recovering.This business is dynamically application of router R1, and the destination is router R2.This service needed is distributed in the 6th class bandwidth resources, if resource is seized the bandwidth resources of the 8th class inadequately more successively.At this moment the untapped bandwidth of 8 classes is not as being with among Fig. 5 shown in the bracket, 6 classes as (do not show the section that available bandwidth is arranged among the figure, available bandwidth is 0) shown in parenthesized among Fig. 5.
Dispose one if desired from the C node, other business 5 of the VC4 level under the G node, professional grade is the iron level, i.e. the business that can be seized.This business is dynamically application of router R1, and the destination is router R4.This service needed is distributed in the 7th class bandwidth resources, if resource re-uses the bandwidth resources of the 8th class inadequately.At this moment the untapped bandwidth of 7 classes is not with shown in the bracket as Fig. 6,8 classes as (do not show the section that available bandwidth is arranged among the figure, available bandwidth is 0) shown in parenthesized among Fig. 6.
The method of the invention disposes under the situation of SNCP and MSP in the MESH net, and according to the requirement of client's grade formula service, ASON carries out professional automatic configuration, and can be provided in the professional once more automatic configuration under the traffic lost situation, realizes rerouting recovering.The inventive method can be taken into account the trend of existing network present situation and MESH networking, carry out organic combination, according to MSP linearity in the MESH networking or annular networking situation, carry out Classification Management for bandwidth, the configuration of in business configuration, classifying according to the type of available bandwidth.Under the not enough situation of available bandwidth, can carry out seizing of bandwidth, preferentially guarantee the recovery of high-priority service, and use RCL can improve the professional passband of joining.
The inventive method has been taken into account the requirement of bandwidth utilization and business service grade; carried out rational use for multiplex section protection owing to dispose the NUT business and issue the work lock command bandwidth that is influenced; promptly can dispose the business of suitable priority level, also can be used for professional recovery.
Need explanation be, the method for the invention can spread the operating position of bandwidth on whole network, promptly all knows the bandwidth usage of other nodes on each network node, can improve the speed of configuration like this, accomplishes the RCL optimum of the overall situation.
Should be understood that the explanation that the present invention is directed to the foregoing description is too concrete, can not therefore be interpreted as the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with claim.
Claims (6)
1, the method that teleservice disposes and recovers automatically in a kind of ASON network, it may further comprise the steps:
A) bandwidth resources all in the ASON network are classified;
B) be form of each out-degree maintenance of all network element nodes, be used for the type of all bandwidth on the minute book out-degree and situation about being used;
C) when needs dispose a new business automatically, need the grade of input ingress and egress and this new business;
D) according to the grade of this new business, the grade of service and sorted bandwidth resource allocation are carried out corresponding, from the ingress of business, use described form to search out the route of egress.
2, method according to claim 1 is characterized in that, the process that described step d) is sought the route of egress comprises:
E) calculate the relative ability loss value of each route at egress, select that relative ability loss value adds up and minimum path is the recovery or the configuration path of this business; If the relative ability loss value in all paths is infinity, then need to carry out seizing of bandwidth resources according to the operating position of type of service and sorted bandwidth resources, at first guarantee the recovery or the configuration of high-priority service.
3, method according to claim 2 is characterized in that, described business recovery or configure after, also regularly all business are optimized, make all professional relative ability loss value minimums.
4, method according to claim 3 is characterized in that, the value of relative ability loss described in the described step e) is defined as
Wherein n is the jumping figure from the ingress to the egress, and i is a stoichiometric number, is a certain jumping among the n.
5, method according to claim 4 is characterized in that, bandwidth resources grade separation method comprises in the described step a):
0 class: be configured to the bandwidth of SNCP business, these class bandwidth resources can not be used to automatic distribution;
1 class: be configured to the bandwidth of diamond level business, these bandwidth are distributed automatically by ASON, but these bandwidth can not be seized when new professional distribution is automatically arranged, promptly can not be assigned with again;
2 classes: be configured to the bandwidth of the non-NUT business in the working optical fibre of multiplex section protection, these bandwidth can be used when configuration gold level is professional, but have new professional distribute automatically in these bandwidth can not be seized;
3 classes: when diamond level business is switched, the bandwidth resources that heavy-route is shared, these bandwidth can not be seized when new professional distribution is automatically arranged;
4 classes: the gold level is professional switches when failing, and the bandwidth resources that heavy-route is shared there being new diamond level business can be seized in the configuration automatically, can not be seized under other the heavy-route situation;
5 classes: the bandwidth resources that silver service is shared, and shared bandwidth resources during silver service generation heavy-route, there being new diamond level professional and the gold level is professional can be seized in the configuration automatically, can not be seized under other the heavy-route situation;
6 classes: dispose the professional shared bandwidth resources that are configured to NUT on the working optical fibre of multiplex section protection, and be configured to multiplex section but issue all bandwidth on the working optical fibre of section of work lock command, these bandwidth resources can preferentially be configured to copper level business;
7 classes: disposed all bandwidth resources on the protection optical fiber of multiplex section protection, can be used to dispose iron service;
8 classes: all are not configured to multiplex section protection, and the bandwidth resources that are not used again can be used to dispose diamond level business, silver service, and copper level business or iron service also can be used to heavy-route;
9 classes: unavailable bandwidth, i.e. bandwidth behind the 1st, 3,4,5,8 class bandwidth resources generation signal crackings and the Signal Fail; After signal cracking and Signal Fail disappearance, the bandwidth resources of the 9th class will become the bandwidth resources of the 8th class.
6, method according to claim 5 is characterized in that, the distribution principle of described bandwidth resources in business recovery or automatic configuration is as follows:
For professional priority allocation the 8th class bandwidth resources of diamond level, if resource is seized the 6th class, the 5th class, the bandwidth resources of the 4th class inadequately more successively;
For the professional bandwidth resources that can only be distributed in the 2nd class of gold level, if can not effectively protecting by multiplex section rearrangement, business needs business recovery, priority allocation the 8th class bandwidth resources then are if resource is inadequately then seize the 6th class successively, the bandwidth resources of the 5th class;
For silver service priority allocation the 8th class bandwidth resources, if resource is seized the bandwidth resources of the 6th class inadequately again;
For the professional priority allocation of copper level in the 6th class bandwidth resources, if resource can be used the bandwidth resources of the 8th class inadequately;
For iron service priority allocation the 7th class bandwidth resources, if resource can be used the 8th class bandwidth resources inadequately.
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| CN102388575A (en) * | 2008-02-08 | 2012-03-21 | 思科技术公司 | Dynamic DSL line bandwidth management with the subscriber's consent |
| CN102780604A (en) * | 2011-05-13 | 2012-11-14 | 中兴通讯股份有限公司 | Method and device for calculating preset recovery route |
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| GB9606711D0 (en) * | 1996-03-29 | 1996-06-05 | Plessey Telecomm | Routing and bandwidth allocation |
| CN1200538C (en) * | 2003-07-11 | 2005-05-04 | 清华大学 | Method for selecting route by accounting and controlling node status |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102388575A (en) * | 2008-02-08 | 2012-03-21 | 思科技术公司 | Dynamic DSL line bandwidth management with the subscriber's consent |
| CN102388575B (en) * | 2008-02-08 | 2015-11-25 | 思科技术公司 | Dynamic DSL line bandwidth management method, system and equipment in subscriber's agreement situation |
| CN101286989B (en) * | 2008-05-23 | 2011-06-22 | 中兴通讯股份有限公司 | Implementing method and device for different service for bandwidth |
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| CN102780604B (en) * | 2011-05-13 | 2016-03-30 | 中兴通讯股份有限公司 | Calculate method and the device of initialization route |
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| CN106341351B (en) * | 2016-09-30 | 2019-05-24 | 西安空间无线电技术研究所 | A kind of path resources distribution method distinguished in hybrid network based on QoS |
| US11757762B2 (en) | 2018-08-22 | 2023-09-12 | Zte Corporation | Service operation method and device, and storage medium and electronic device |
| CN114928540A (en) * | 2022-05-13 | 2022-08-19 | 南京炫佳网络科技有限公司 | Preemptive injection method, device, electronic equipment and storage medium |
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