WO2016180238A1 - Procédé et dispositif d'ajustement de largeur de bande de service - Google Patents

Procédé et dispositif d'ajustement de largeur de bande de service Download PDF

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Publication number
WO2016180238A1
WO2016180238A1 PCT/CN2016/080396 CN2016080396W WO2016180238A1 WO 2016180238 A1 WO2016180238 A1 WO 2016180238A1 CN 2016080396 W CN2016080396 W CN 2016080396W WO 2016180238 A1 WO2016180238 A1 WO 2016180238A1
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Prior art keywords
service
bandwidth
layer
tunnel
layer tunnel
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PCT/CN2016/080396
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English (en)
Chinese (zh)
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冯洁
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中兴通讯股份有限公司
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Publication of WO2016180238A1 publication Critical patent/WO2016180238A1/fr

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  • This application relates to, but is not limited to, the field of communications.
  • CAC call admission control
  • the embodiment of the invention provides a method and a device for adjusting the service bandwidth, so as to at least solve the problem that the adjustment of the bandwidth of the client layer service provided in the related art is easy to cause waste of resources and low accuracy.
  • a method for adjusting a service bandwidth including: determining, according to a customer layer service selected by a user, a service layer tunnel carrying a selected client layer service; and performing service bandwidth of the determined service layer tunnel Adjustment.
  • determining, according to the selected client layer service, the service layer tunnel that carries the selected client layer service includes: Step 1. Searching for a service layer tunnel set according to the selected client layer service, where the service The service carried by each service layer tunnel in the layer tunnel set includes some or all services in the selected client layer service; and step 2, the client layer service carried on each service layer tunnel in the service layer tunnel set is executed.
  • the filtering operation is performed to obtain the remaining service layer tunnels, wherein the remaining service layer tunnels only carry some or all of the services of the selected client layer services; and step 3, analyze the remaining service layer tunnels to determine whether new clients are present.
  • Layer service or new service layer tunnel if yes, return to step 1; if not, use the remaining service layer tunnel as the determined service layer tunnel.
  • the method before adjusting the service bandwidth of the determined service layer tunnel, the method further includes: determining, according to the preset type in the service list, whether the service has configured the corresponding bandwidth parameter and/or whether the user is selected to perform bandwidth adjustment to determine the CAC switch. And the status of the flow control switch.
  • the state of the CAC switch and the flow control switch is determined according to whether the preset type of service has been configured with the corresponding bandwidth parameter and/or whether the bandwidth adjustment is selected to include the following: if the preset type service has configured the corresponding bandwidth parameter.
  • the CAC switch and the flow control switch are in the on state; if the preset type service is not configured with the corresponding bandwidth parameter and is not selected by the user for bandwidth adjustment, the CAC switch and the flow control switch are in the off state; if the preset type service is used by the user After the user selects and performs bandwidth adjustment on the preset type service, the CAC switch and the flow control switch are turned on.
  • adjusting the service bandwidth of the determined service layer tunnel includes: superimposing the service layer service bandwidth carried on the determined service layer tunnel; setting the CAC switch and the flow control switch of the determined service layer tunnel to an open state. And setting the adjustment mode of the determined service layer tunnel to adaptive adjustment.
  • the method further includes: performing CAC pre-verification on the selected client layer service carried on the determined service layer tunnel; determining the service bandwidth of the service layer tunnel The service bandwidth of the client layer service that is currently pre-verified by the CAC is adjusted; the service pseudowire with the service bandwidth becomes smaller, the sum of the bandwidth, and the service pseudowire with the service bandwidth become larger.
  • a service bandwidth adjustment apparatus including: a first determining module, configured to: determine, according to a customer layer service selected by a user, a service layer tunnel that carries a selected client layer service; Module, set to: service band for the determined service layer tunnel Adjust the width.
  • the first determining module is configured to: determine, according to the selected client layer service, the service layer tunnel of the selected client layer service according to the following steps: Step 1: Find a service layer tunnel set according to the selected client layer service, The service carried by each service layer tunnel in the service layer tunnel set includes some or all services in the selected client layer service; and step 2, the client carried on each service layer tunnel in the service layer tunnel set The layer service performs a filtering operation to obtain the remaining service layer tunnels. The remaining service layer tunnels only carry some or all of the services of the selected client layer services. Step 3: analyze the remaining service layer tunnels to determine whether they appear. New client layer service or new service layer tunnel; if yes, return to step 1; if not, then use the remaining service layer tunnel as the determined service layer tunnel.
  • the foregoing apparatus further includes: a second determining module, configured to: determine, according to a preset type of service in the service list, whether the service has configured a corresponding bandwidth parameter and/or whether the user is selected to perform bandwidth adjustment to determine a CAC switch and a flow control switch. status.
  • a second determining module configured to: determine, according to a preset type of service in the service list, whether the service has configured a corresponding bandwidth parameter and/or whether the user is selected to perform bandwidth adjustment to determine a CAC switch and a flow control switch. status.
  • the second determining module is configured to: determine whether the state of the CAC switch and the flow control switch is determined according to whether the service has configured the corresponding bandwidth parameter according to the preset type service and/or whether the bandwidth adjustment is selected, including one of the following: If the type of service has been configured with the corresponding bandwidth parameter, the CAC switch and the flow control switch are in the on state. If the preset type service is not configured with the corresponding bandwidth parameter and is not selected by the user for bandwidth adjustment, the CAC switch and the flow control switch are closed. Status; if the preset type service is selected by the user and the user completes bandwidth adjustment for the preset type service, the CAC switch and the flow control switch are turned on.
  • the adjusting module includes: a superimposing unit, configured to: superimpose the service layer service bandwidth carried on the determined service layer tunnel; and set the unit to: set the CAC switch and the flow control switch of the determined service layer tunnel To enable the state and set the adjustment mode of the determined service layer tunnel to adaptive adjustment.
  • a superimposing unit configured to: superimpose the service layer service bandwidth carried on the determined service layer tunnel
  • set the unit to: set the CAC switch and the flow control switch of the determined service layer tunnel To enable the state and set the adjustment mode of the determined service layer tunnel to adaptive adjustment.
  • the foregoing apparatus further includes: a verification module, configured to perform CAC pre-verification on the selected client layer service carried on the determined service layer tunnel; and the modifying module is configured to: determine the service layer tunnel service The bandwidth is adjusted to the sum of the bandwidths of the client layer services that are currently pre-verified by the CAC.
  • the delivery module is configured to deliver service pseudowires with reduced service bandwidths, sum of bandwidths, and service pseudowires with large service bandwidths.
  • a computer readable storage medium storing computer executable instructions for performing the method of any of the above is provided.
  • the service layer tunnel of the selected client layer service is determined according to the customer layer service selected by the user; the service bandwidth of the determined service layer tunnel is adjusted, and the bandwidth of the client layer service provided in the related technology is solved.
  • the adjustment method is easy to cause waste of resources and low accuracy.
  • multiple client layer services can be selected for bandwidth adjustment, and the bandwidth of the tunnel and client layer services can be adjusted to the correct value.
  • FIG. 1 is a flowchart of a method for adjusting a service bandwidth according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of an apparatus for adjusting a service bandwidth according to an embodiment of the present invention
  • FIG. 3 is a structural block diagram of an apparatus for adjusting a service bandwidth according to an alternative embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for adjusting a service bandwidth according to an embodiment of the present invention. As shown in FIG. 1, the process includes the following steps:
  • Step S102 determining, according to the client layer service selected by the user, a service layer tunnel carrying the selected client layer service
  • Step S104 adjusting the service bandwidth of the determined service layer tunnel.
  • bandwidth adjustment can be performed based on multiple client layer services selected by the user,
  • the bandwidth of the tunnel and the client layer is adjusted to the correct value, which solves the problem that the bandwidth adjustment of the client layer service bandwidth provided in the related technology is easy to cause waste of resources and low accuracy, and realizes batch adjustment of service bandwidth parameters.
  • the end-to-end network management software batch service bandwidth adjustment is taken as an example to implement a method for batch adjusting service bandwidth parameters to meet user requirements and comply with CAC rules.
  • the service adjustment is based on the tunnel as the atomic level adjustment unit, that is, all the client layer services carried by one tunnel, and the processing is completed at one time.
  • the user can select one or more client layer services and send the CAC parameters to the target value and then send them to the server.
  • the server searches all related service layer tunnels A according to the customer layer service selected by the user, and then searches the client layer service according to the tunnel to find the service layer tunnel set B of the client layer service.
  • the bandwidth value of each tunnel and service is calculated.
  • the tunnel bandwidth value is adjusted to the sum of the current client layer bandwidths, and the pseudowire data with the smaller bandwidth is delivered, and then the tunnel is delivered. The final bandwidth value, and finally the pseudowire data with the bandwidth increasing.
  • step S102 determining, according to the selected client layer service, the service layer tunnel carrying the selected client layer service may include the following steps:
  • Step 1 Searching for a service layer tunnel set according to the selected client layer service, where each service layer tunnel in the service layer tunnel set includes services of part or all of the selected client layer services;
  • Step 2 Perform a filtering operation on the client layer service carried on each service layer tunnel in the service layer tunnel set, and obtain the remaining service layer tunnels, where the remaining service layer tunnels only carry the selected part of the client layer service or All business;
  • Step 3 Analyze the remaining service layer tunnels to determine whether a new client layer service or a new service layer tunnel appears; if yes, return to step 1; if not, the remaining service layer tunnels are determined as the determined service layer. tunnel.
  • the user can select a client layer service that needs to perform bandwidth adjustment, for example, an E-line service and a TDM service, thereby entering a service bandwidth adjustment interface.
  • a client layer service that needs to perform bandwidth adjustment
  • the customer layer service selected by the user analyze and find all service layer tunnels related to the customer layer service selected by the user and search All customer layer services carried by these service layer tunnels are extracted.
  • the E-TREE/E-LAN/L3VPN service existing in the customer layer service can be filtered out, and the client layer service shared with the E-TREE/E-LAN/L3VPN service tunnel is filtered out.
  • the client layer service shared with the E-TREE/E-LAN/L3VPN service tunnel is filtered out.
  • only the E-line service and the TDM service are left in the client layer service information, and all service layer tunnels related to these services can only carry the E-line service and the TDM service.
  • various types of services that have been filtered out are presented to the user on a specific browsing page.
  • all the service layer tunnels related to these client layer services can be further analyzed to observe whether there is a new service layer tunnel; if there is a new service layer In the tunnel, the new service layer tunnel needs to be analyzed according to the above steps. That is, whether the newly-created service layer tunnel can only carry E-LINE service and TDM service or bear other types of client layer services at the same time. Until there is no new service layer tunnel appearing for this.
  • step S104 Before the service bandwidth of the determined service layer tunnel is adjusted, the following operations may be included in the step S104:
  • Step 4 Determine, according to the preset type in the service list, whether the service has configured the corresponding bandwidth parameter and/or whether the user selects the bandwidth adjustment to determine the state of the CAC switch and the flow control switch.
  • the service list may be related to the information before the adjustment of the service pseudowire in the initial situation, which may include, but is not limited to, a CAC switch, a flow control switch, and bandwidth parameter information (eg, CIR, CBS, PIR). , PBS, color blindness, color sensitivity).
  • bandwidth parameter information eg, CIR, CBS, PIR.
  • PBS color blindness, color sensitivity
  • Each column of information in the business list is required to support multiple types of sorting (for example: ascending order, descending order, sorting by modified date, sorting by parameter type) for the user to view.
  • the business list also needs to support Shift, CTRL, mouse mode for multiple selection, to select business operations. The user can right-click to enter the modification interface, and click OK after completing the bandwidth modification operation.
  • the final service list can display the value that the business pseudowire needs to be modified.
  • step 4 according to whether the preset type service has configured the corresponding bandwidth parameter and/or whether the bandwidth adjustment is selected to determine the state of the CAC switch and the flow control switch, the following may be included.
  • the above client layer service is an Ethernet service:
  • TDM time division multiplexing
  • the “Overlay TDM Service Bandwidth” option switch can be added to the operation interface provided to the user. If the user selects the overlay option switch, the CIR bandwidth parameter will be automatically set according to 3M in the TDM service list at the same time. The CAC switch and flow control switch will be forced to be turned on.
  • TDM service it can also perform bandwidth modification operations, and the operation rules are basically the same as those of the Ethernet service.
  • step S104 adjusting the service bandwidth of the determined service layer tunnel may include Next steps:
  • Step 5 superimposing service bandwidth of the client layer carried on the determined service layer tunnel
  • Step 6 Set the determined CAC switch and the flow control switch of the service layer tunnel to an on state and set the determined adjustment mode of the service layer tunnel to an adaptive adjustment.
  • the tunnel information is not presented in the display interface, but only the server searches for the relevant tunnel and performs calculation and delivery. Moreover, whether the tunnel will converge can be selected at the initial setting, and it can choose to maintain the original value, or choose to converge the tunnel, or choose to not converge the tunnel.
  • the bandwidth of the tunnel will be automatically superimposed (that is, the bandwidth of all client layers is superimposed).
  • the CAC switch and flow control switch of the tunnel will be forcibly set to on, and the tunnel bandwidth will be set automatically. , turn on the color sensitive mode.
  • the above CBS, PIR, PBS, color blindness, and color sensitivity are kept as constant as possible. If the original value given by the above parameters is not within a predetermined reasonable value range (ie, an illegal value), then The default value assigned by the above parameters is replaced by a preset default value.
  • step S104 After the service bandwidth of the determined service layer tunnel is adjusted, the following steps may be further included in the step S104:
  • Step 7. Perform CAC pre-verification on the selected client layer service carried on the determined service layer tunnel.
  • Step 8 Adjust the service bandwidth of the determined service layer tunnel to the total bandwidth of the client layer service that is currently pre-verified by the CAC;
  • step 9 the service pseudowire with the service bandwidth becomes smaller, the sum of the bandwidth, and the service pseudowire with the service bandwidth become larger.
  • the CAC pre-verification may be performed in advance. If the client layer service that cannot be passed by the CAC check is found, it will not be delivered to the user equipment, and the service list is recorded to prompt user. Secondly, the pre-verified tunnel is adjusted to the sum of the current client layer bandwidth: all tunnel CAC switches are turned on, and the fixed bandwidth tunnel is changed into a tunnel with automatically adjustable bandwidth. Then, the pseudo-line with the reduced service bandwidth is delivered to the user equipment: only the client layer service of the tunnel with the pre-verification succeeded is delivered. Then, the relevant tunnel bandwidth without failure is adjusted to the sum of the bandwidths input by the user.
  • the technical solution provided by the embodiment of the present invention can support abnormality of part of the tunnel or client layer service and the rest of the tunnel or client layer service is normal. A scenario in which the normal tunnel or client layer service participates in the calculation and is delivered to the user equipment.
  • the abnormal service rectification and the bandwidth modification of the entire network of the network existing network are satisfied, and the bandwidth transformation needs of the existing network service are met, including the service bandwidth from scratch, from the existing to the bandwidth adjustment requirement,
  • the existing network gradually transitions from the incremental CAC mode to the full CAC mode.
  • the batch service parameter adjustment tool After the batch service parameter adjustment tool is available, it can be transitioned to the full CAC mode through the step-by-step transformation method.
  • the one-step full-size CAC method can be subsequently faded, thereby avoiding the inconsistency on the current network caused by the one-step full-size CAC method. Data problems and processing.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium (such as ROM/RAM, disk).
  • the optical disc includes a plurality of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method described in the embodiments of the present invention.
  • a device for adjusting the bandwidth of the service is provided, and the device is used to implement the foregoing embodiments and implementation manners, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the devices described in the following embodiments may be implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • the device may include: a first determining module 10 configured to: determine a client selected by a carrier according to a client layer service selected by a user.
  • the service layer tunnel of the layer service the adjustment module 20 is configured to: adjust the service bandwidth of the determined service layer tunnel.
  • the first determining module 10 is configured to: determine, according to the selected client layer service, the service layer tunnel of the selected client layer service according to the following steps: Step 1: Find a service layer tunnel set according to the selected client layer service The service carried by each service layer tunnel in the service layer tunnel set includes some or all services in the selected client layer service; and step 2 is carried on each service layer tunnel in the service layer tunnel set.
  • the client layer service performs the filtering operation to obtain the remaining service layer tunnels.
  • the remaining service layer tunnels only carry some or all of the services of the selected client layer services.
  • Step 3 analyze the remaining service layer tunnels to determine whether A new client layer service or a new service layer tunnel appears; if yes, return to step 1; if not, the remaining service layer tunnels are used as the determined service layer tunnel.
  • the apparatus may include: a second determining module 30, in addition to all the modules shown in FIG.
  • the status of the CAC switch and the flow control switch is determined according to whether the service has configured the corresponding bandwidth parameter and/or is selected by the user for bandwidth adjustment according to the preset type in the service list.
  • the second determining module 30 is configured to: determine whether the state of the CAC switch and the flow control switch is determined according to whether the service has configured the corresponding bandwidth parameter and/or is selected to perform bandwidth adjustment according to the preset type:
  • the adjusting module 20 may include: a superimposing unit (not shown) configured to: superimpose a client layer service bandwidth carried on the determined service layer tunnel; and set a unit (not shown in the figure) Out), set to: set the determined CAC switch and flow control switch of the service layer tunnel to the on state and set the determined adjustment mode of the service layer tunnel to adaptive adjustment.
  • a superimposing unit (not shown) configured to: superimpose a client layer service bandwidth carried on the determined service layer tunnel
  • a unit (not shown in the figure) Out) set to: set the determined CAC switch and flow control switch of the service layer tunnel to the on state and set the determined adjustment mode of the service layer tunnel to adaptive adjustment.
  • the foregoing apparatus may further include: a verification module 40 configured to perform CAC pre-verification on the selected client layer service carried on the determined service layer tunnel; and the modifying module 50 is configured to The service bandwidth of the determined service layer tunnel is adjusted to the sum of the bandwidths of the client layer services that are currently pre-verified by the CAC; the delivery module 60 is configured to: deliver the service pseudowires with the reduced service bandwidth, the sum of the bandwidths, and the service A business pseudowire with a large bandwidth.
  • a verification module 40 configured to perform CAC pre-verification on the selected client layer service carried on the determined service layer tunnel
  • the modifying module 50 is configured to The service bandwidth of the determined service layer tunnel is adjusted to the sum of the bandwidths of the client layer services that are currently pre-verified by the CAC
  • the delivery module 60 is configured to: deliver the service pseudowires with the reduced service bandwidth, the sum of the bandwidths, and the service A business pseudowire with a large bandwidth.
  • each of the foregoing modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the storage medium is further configured to store program code for performing the following steps: determining, according to the selected client layer service, a service layer tunnel carrying the selected client layer service, including: Step 1. Searching for a service according to the selected client layer service a layer tunnel set, where each service layer tunnel in the service layer tunnel set carries some or all services in the selected client layer service; step 2, each service layer tunnel in the service layer tunnel set The client layer service carried on the network performs the filtering operation to obtain the remaining service layer tunnels. The remaining service layer tunnels only carry some or all of the services of the selected client layer services.
  • Step 3 Analyze the remaining service layer tunnels , to determine whether a new client layer service or a new service layer tunnel occurs; if yes, return to step 1; if not, the remaining service layer tunnel is used as the determined service layer tunnel.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a medium such as a disc or an optical disc that can store program code.
  • the processor executes according to the stored program code in the storage medium. Determine the status of the CAC switch and the flow control switch according to whether the service has configured the corresponding bandwidth parameter and/or whether the user selects the bandwidth adjustment according to the preset type in the service list.
  • the processor performs, according to the stored program code in the storage medium, whether the corresponding bandwidth parameter is configured according to the preset type service and/or whether the bandwidth adjustment is selected to determine the CAC switch and the flow control switch.
  • the state includes one of the following: if the preset type service has been configured with the corresponding bandwidth parameter, the CAC switch and the flow control switch are in an open state; if the preset type service is not configured with the corresponding bandwidth parameter and is not selected by the user for bandwidth adjustment, Then, the CAC switch and the flow control switch are in the off state; if the preset type service is selected by the user and the user completes the bandwidth adjustment for the preset type service, the CAC switch and the flow control switch are turned on.
  • the processor performs superposition of the client layer service bandwidth carried on the determined service layer tunnel according to the stored program code in the storage medium; the determined CAC switch and flow control of the service layer tunnel The switch is set to the on state and the determined adjustment mode of the service layer tunnel is set to adaptive adjustment.
  • the processor performs CAC pre-verification on the selected client layer service carried on the determined service layer tunnel according to the stored program code in the storage medium; the service of the determined service layer tunnel is determined.
  • the bandwidth is adjusted to the sum of the bandwidths of the client layer services that are currently pre-verified by the CAC; the service pseudowires with the service bandwidth becomes smaller, the sum of the bandwidths, and the service pseudowires with the larger service bandwidths are sequentially delivered.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network of multiple computing devices. Alternatively, they may be implemented by program code executable by a computing device such that they may be stored in a storage device by a computing device and, in some cases, may be executed in a different order than herein.
  • the steps shown or described are either fabricated as integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module. Thus, the application is not limited to any particular combination of hardware and software.
  • the embodiment of the present invention solves the problem that the adjustment mode of the service layer bandwidth of the client layer provided in the related art is easy to cause waste of resources and low accuracy, and thus can select multiple client layer services for bandwidth adjustment, and the tunnel and the client layer are selected.
  • the bandwidth of the service is adjusted to the correct value.

Abstract

La présente invention concerne un procédé et un dispositif d'ajustement de largeur de bande de service. Le procédé consiste à : déterminer, en fonction d'un service de couche client sélectionné par un utilisateur, un tunnel de couche service transportant le service de couche client sélectionné ; et ajuster une largeur de bande de service du tunnel de couche service déterminé.
PCT/CN2016/080396 2015-07-03 2016-04-27 Procédé et dispositif d'ajustement de largeur de bande de service WO2016180238A1 (fr)

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