CN100463373C - Centralized control and hierarchical implementing switching control method and device - Google Patents
Centralized control and hierarchical implementing switching control method and device Download PDFInfo
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- CN100463373C CN100463373C CNB031150020A CN03115002A CN100463373C CN 100463373 C CN100463373 C CN 100463373C CN B031150020 A CNB031150020 A CN B031150020A CN 03115002 A CN03115002 A CN 03115002A CN 100463373 C CN100463373 C CN 100463373C
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Abstract
A switching control method by centralized control and hierarchical implementing for the redundant system with master equipment and standby equipment includes such steps as detecting the switching request from system, determining the switching order according to priorities of equipment, switching the equipment with the highest priority and waiting for its response, resetting up the master equipment if the response is not received within predefined time, determining if the standby equipment has the equipment with next lower priority if the response is received, switching to the equipment if it has, repeating said steps untile all equipment are switched, and setting up the standby equipment to 'master equipment' state.
Description
Technical field
The present invention relates to the method for handover control and the device of the redundancy backup plate of broadband access equipment, belong to the network access server field.The control method and the device that particularly relate to the redundance unit switching of under the redundancy backup environment, implementing access server Equipment Control processor plate and switching processor plate.
Background technology
" network access server (NAS) test specification " according to Ministry of Information Industry's promulgation, when system moves, access server will be to the key equipment assembly of sharing, normally processor controls plate and switching processor plate carry out redundancy backup, and according to the needs of system running state, for example when the master is broken down with the processor controls plate, realize the automatic switchover of system, to guarantee the smoothness run of customer service.The Chinese patent application No.98118143 that is entitled as " master backup reverse device " has disclosed and has a kind ofly utilized hardware circuit to realize the technology that automaticallyes switch by hardware device.But in some data equipments, complete switching had both comprised the switching of hardware, also comprised the switching of upper layer software (applications), and the switching of hardware is subjected to the control of software.In addition, because the systemic-function complexity of upper layer software (applications), module is many, and handoff procedure relates to the state machine of switched system, and backup configuration data and its consistency of inspection reach the backup traffic data and check its consistency etc.The logic of this software level and data switching are difficult to realize by hardware circuit.The Chinese patent application No.98113149 that is entitled as " a kind of method that realizes quick protective switch " has disclosed a kind of technology that adopts the software approach control appliance to switch in data communications equipment and optical communication equipment.This method mainly adopt " cross-connect matrix control data, and when various fault takes place loop, carry out following steps: each SDH network element is determined its position with respect to the fault point separately; Main control unit in each SDH network element issues switching command according to it with respect to residing position, fault point; Each described network element is carried out and is switched order, and the cross-connect matrix control data under its operate as normal is replaced by cross-connect matrix control data under the corresponding protected mode.The realization of this method depends on the cross-connect matrix control data, and controls switching discretely at each changeover points, meet the concrete function requirement of its equipment.
Yet, not only need be in broadband access system such as system data, the redundancy backup of the data of configuration data and business datum and so on and seamless switching, and also needs are as the primary and backup seamless switching of the logic control of state machine and so on.Switch related control behavior and comprise a plurality of subsystems and a plurality of module, if be difficult to harmonious between the simple a plurality of objects that adopt the switching controls of disperseing to make a plurality of subsystems.
Therefore, need a kind of centralized control, the software method for handover control that layering is implemented carries out switching controls to the processor controls plate and the switching processor plate of data equipment.
The present invention in order to overcome the defective of prior art, provides a kind of centralized control just, and the method for handover control of the redundancy backup plate of broadband access equipment is implemented in layering, with the switching of a plurality of assemblies in control a set of equipment.The state of switching controls object is divided into primary and backup sub-state machine in design, and switching controls is reduced to the switching of sub-state machine.
The present invention carries out multilayer and implements on switching controls, for example can be divided into system-level, three layers of control of subsystem irrespective of size and module level.By the switching controls between the special-purpose switching controls modular processing system level, relevant subsystem is controlled the switching of correlation module in this subsystem when the switching controls instruction that receives the switching controls module, also can have the switching that special submodule is controlled other submodule in this module in the module of part complexity.Adopt the method for this layering switching controls can make in the control sets on upper strata, the control of lower floor is flexible.
Summary of the invention
The purpose of this invention is to provide a kind of method and apparatus that between the redundancy backup plate of broadband access equipment, carries out switching controls, it is many that described method and apparatus is particularly suitable for the upper layer software (applications) system module, function is complicated and relate to the redundance unit that state of a control is switched, implement simple, safe and reliable.
According to an aspect of the present invention, a kind of centralized control of carrying out in the redundant system that comprises host apparatus and stand-by equipment is provided, the control method that layering is switched, the switching controls of stand-by equipment end may further comprise the steps: a) detect the handoff request of redundant system, the grade of the device that comprises according to redundant system is determined transfer sequence; B) device to highest ranking carries out switching controls, and waits for the switching result response; C) if not receiving handoff response result or response results in the given time is handoff failure, this stand-by equipment then resets; D) if the device handover success of described grade at the fixed time judges then whether stand-by equipment comprises the device of next grade, if the device of next grade is arranged, then the device to described next grade carries out switching controls and waits for the handoff response result; E) repeating step c) to d), up to the switching of the device of all grades that complete successfully stand-by equipment; And f) operating state with stand-by equipment upgrades to the host apparatus operating state.The switching controls of host apparatus end is responsible for receiving handoff request, judges whether stand-by equipment is available, if the available hardware that then triggers switches, and resets after time-delay.
According to a further aspect in the invention, a kind of centralized control of carrying out in the broadband access system of the redundant system that comprises primary and backup equipment is provided, the control method that layering is switched, the stand-by equipment end-grain cutting is changed control and is comprised step: the handoff request that a) detects redundant system, determine the system that redundant system comprises, the module that comprises in subsystem that comprises in the system that described redundant system comprises and the described subsystem; B) system that described redundant system is comprised carries out switching controls, and waits for the switching result response; C) if not receiving handoff response result or response results in the given time is handoff failure, this stand-by equipment then resets; D) if system's handover success that described at the fixed time redundant system comprises then judges whether comprise subsystem in the described system,, then described subsystem is carried out switching controls and waits for the handoff response result if comprise subsystem; E) if not receiving handoff response result or response results in the given time is handoff failure, stand-by equipment then resets; F) if described at the fixed time subsystem handover success then judges whether comprise module in the described subsystem,, then described module is carried out switching controls and waited for the handoff response result if comprise module; G) if the device of all grades completes successfully switching in the stand-by equipment, then the operating state with stand-by equipment upgrades to the host apparatus operating state.
According to a further aspect of the invention, a kind of centralized control of carrying out in comprising the redundant system of primary and backup equipment is provided, the control device that layering is switched, comprise: the main processor controls of using, be used to detect the handoff request of redundant system, the grade of the device that comprises according to redundant system is determined transfer sequence; Standby processor controls is used for and the main device that switches each grade between host apparatus and the stand-by equipment with processor controls; Active and standby with processor controls and the active and standby switching processor of using, be used for the device of highest ranking is carried out switching controls, and wait for that switching result responds, if not receiving handoff response result or response results in the given time is handoff failure, stand-by equipment then resets, if the device handover success of described grade at the fixed time, judge then whether stand-by equipment comprises the device of next grade, if the device of next grade is arranged, then the device to described next grade carries out switching controls and waits for the handoff response result, and the operating state of stand-by equipment is upgraded to the host apparatus operating state.
Description of drawings
To make the above and other objects and advantages of the present invention clearer by describe the preferred embodiments of the present invention below in conjunction with accompanying drawing, wherein:
Fig. 1 is the schematic diagram of expression according to the redundant system configuration structure of the embodiment of the invention;
Fig. 2 is the schematic diagram according to subsystem that comprises in the system of the present invention and module; With
Fig. 3 is the system-level switching controls flow chart of redundancy backup control board according to the present invention.
Embodiment
Below with reference to the description of drawings specific embodiments of the invention.
Basic scheme of the present invention is a kind of centralized control of carrying out in the redundant system that comprises host apparatus and stand-by equipment, and layering is switched.This scheme at first detects the handoff request of redundant system, and the grade of the device that comprises according to redundant system is determined transfer sequence.Device to highest ranking carries out switching controls then, and waits for the switching result response.If not receiving handoff response result or response results in the given time is handoff failure, this equipment then resets.If the device handover success of described grade judges then whether stand-by equipment comprises the device of next grade at the fixed time, if the device of next grade is arranged, then the device to described next grade carries out switching controls and waits for the handoff response result.Repeat the process of back, up to the switching of the device of all grades of finishing stand-by equipment.Operating state with stand-by equipment upgrades to the host apparatus operating state at last.
Fig. 1 is a redundant system configuration structure of the present invention.This system comprises main with processor controls 1, and standby processor controls 2 is main with switching processor 3, standby switching processor 4, and 100 m ethernet plate 5 and gigabit Ethernet plate 6.Main processor controls 1 and the standby processor controls 2 used used switching processor 3 with the master respectively by Ethernet control channel, standby switching processor 4, and 100 m ethernet plate 5 is connected with gigabit Ethernet plate 6.In the redundant switched system of centralized control of the present invention and layering enforcement, the processor controls plate is the control centre of whole system, and the switching processor plate is the professional control centre of whole system, and they all are the core components of system, therefore, has redundant stand-by equipment respectively.
Based on centralized control, in the handover control system of the redundancy backup control board that layering is implemented, the switching controls of the switching of processor controls 1 and switching processor 3 all concentrates on the processor controls 1.Switching final controlling element then is distributed on processor controls plate and the switching processor plate.Processor controls 1 comprises a plurality of subsystems.The operation support subsystem is wherein arranged, carrier system, service sub-system, system control subsystem, nms subsystem, database subsystem.Comprise communication module S02 in the one-level under the subsystem of processor controls 1, interface module B01, hardware management module C02, message control module OC, switching controls module C09.The configuration of standby processor controls 2 is with main basic identical with the configuration in the processor controls 1, but in its carrier system except that interface module B01, also comprise link control module B02 and switch management module B03.Except that message control module, also comprise protocol stack module PPP in the service sub-system.
In addition, in the 3rd layer, switch management module B03 inside comprises carrying switching network management submodule B03Netmgt, bearer management submodule B03Mgt, carrying master control board switching submodule B03Switch, the carrying power board is switched submodule B03SwitchSpb totally 4 submodule (not shown)s.
Main with comprising the operation support subsystem in the switching processor 3, Bear of carrier system and system control subsystem SC.The operation support subsystem comprises communication module S02.The Bear of carrier system comprises Switching Module B03.System control subsystem SC comprises hardware management module C02.The configuration of standby switching processor 4 is identical with the configuration of main switching processor 3.By control major control processor 1 of the message communicating between plate and standby processor controls 2 and main with the switching between switching processor 3 and the standby switching processor 4.In system's handoff functionality, the operation support subsystem is responsible for main with processor controls and each ply-yarn drill, power board, the software of the Ethernet control link between the standby processor controls switches, service sub-system is responsible for the switching of access service, the software of carrying subsystem responsible switching network switches, system control subsystem is responsible for system-level switching controls, nms subsystem is responsible for the switching of network management function, database subsystem is responsible for the switching of data access function, wherein communication module S02 is responsible for the concrete operations that Ethernet control communication link switches, message control module OC is responsible for the admittance control of all kinds of business, hardware management module C02 is responsible for being provided with hardware at the host apparatus end and switches, C02 is responsible for monitoring the hardware switching signal and complains to switching controls C09 at the stand-by equipment end, switching controls C09 is responsible for system-level switching controls, bearing interface module B01 is the external message interface module of carrier system, carrying link control module B02 is responsible for exchanging the establishment of connection, upgrade and deletion, carrying Switching Module B03 is responsible for the switching of entire switching network, carrying switching network management submodule B03Netmgt is responsible for the management of bit-stream processor, bearer management submodule B03Mgt is responsible for the management of whole carrying Switching Module, the switching of switching network when the switching of switching network when carrying master control board switching submodule B03Switch is responsible for master control board switching, carrying power board are switched submodule B03SwitchSpb and be responsible for power board and switch.Relevant each subsystem of above-mentioned switching belongs to logical concept, the set of some function of its expression system requirements, each module of each subsystem realizes specific function and finally is distributed on the actual veneer moving, and the comparatively complicated module of partial function is divided into the less submodule of granularity again.In the process that system is switched, implement switching controls according to subsystem layer, module layer, the layering of submodule layer, to coordinate to finish taking over seamlessly of whole coordination mutually, basic signal workflow can be with reference to figure 3.
Describe according to one embodiment of present invention in primary and backup processor controls below in conjunction with Fig. 3, and the course of work of switching between the primary and backup switching processor.At first, in step 311, be in main the monitoring and receive switching command on this plate, and report to the switching controls module with the hardware detecting module on the processor controls of state.The state machine of switching controls module operates in main with under the operating state at this moment, when receiving the handoff request message of hardware detecting module report, judge that switching type is processor controls and is recorded among the mark value m_ucSwitchTypy, thereby obtain the primary and backup competition value of statistical indicant of this plate.In step 312, judge whether this plate is in the main state of using.If the judged result of step 312 is for affirming that flow process then proceeds to step 313, the master receives handoff request with processor, comprises handoff parameter in this handoff request.The main current state that obtains backup processor with processor in step 314.Then, judge in step 315 whether backup processor can be used.Can not use if judged result is a backup processor, flow process proceeds to step 321, refusal lead with and stand-by equipment between switching and to webmaster report handoff failure, handoff procedure finishes at this point.If judge that in step 315 backup processor is available, it is invalid that the switching controls module notifies the hardware controls module of this plate that this processor controls of control is set in step 316.After the hardware controls module receives the message that processor controls is set, hardware is set and at first triggers hardware circuit and carry out the first order and switch.Then, in step 317, notify this plank system to begin to switch.After this, in step 318, former master is provided with time of delay with processor controls plate switching controls module in timer.In step 319, judge whether to arrive the time of delay of setting.If no show time of delay, then continue to wait for, and after waiting for the time of delay that is provided with, this sheet reset be set in step 320.
In step 312, if judge that this processor controls is not in the master and uses state, flow process then proceeds to step 322, detects main operating state with processor controls device plate.In step 323,, then turn back to step 322 and continue to detect if it is invalid not detect the main processor controls of using.If it is main invalid with processor controls to detect in step 323, flow process proceeds to step 324, switching has taken place in the hardware that the hardware detecting module of former standby processor controls monitors this plate, is upgraded to the main operating state of using to this plate switching controls module reporting requirement from standby operating state.The switching controls module of former standby processor controls at first notifies webmaster to begin to switch and to timer be set the scheduled time after receiving and switching upgrading message.Webmaster temporarily stops other operation after receiving switching command, so that system's pooling of resources is finished switching fast.The switching controls module is waited for the response results that the webmaster processing is switched in the scheduled time that is provided with.In step 325, be handoff failure if do not obtain the response or the webmaster response results of webmaster after the scheduled time through setting, flow process then proceeds to step 321, notice webmaster handoff failure.This sheet reset of switching controls module controls.
If the switching controls module of former standby processor controls receives the signal of webmaster handover success in step 325, then in step 326 notification database.Database switches primary and backup mark and unties the storage authority of tables of data, makes database module enter the main operating state of using.The switching controls module is provided with the scheduled time and picks up counting to timer after database sends switching notice, waits for the response results that database switches simultaneously.In step 327, if judge that above response of not receiving database after the scheduled time or database response result be handoff failure, flow process then forwards step 321 to.In step 321, notice webmaster handoff failure, this sheet reset of switching controls module controls.If at step 327 judgment data storehouse handover success, after the switching controls module of former standby processor controls received the signal of database handover success, flow process then proceeded to step 328.In step 328, handover module notice carrier system begins to switch, and after the carrier system receives switching command, notifies the module in the carrier system to switch successively.As an example, comprise interface module in the carrier system, link control module and Switching Module, but the invention is not restricted to this.
Each module in the carrier system is carried out handover operation after receiving switching command.The switching controls module is provided with the scheduled time and picks up counting to timer after the carrier system sends switching notice, waits for the handoff response result of each module that the carrier system comprises simultaneously.In step 329, if judgement does not receive that the response of the module that comprises in the carrier system or the response results of each module are handoff failure after surpassing the scheduled time, flow process then forwards step 321 to.In step 321, notice webmaster handoff failure, this sheet reset of switching controls module controls.If judge in step 329 and successfully to have switched the module that the carrier system comprises, flow process then proceeds to step 330, is switched by the switching controls module informing business subsystem of former standby processor controls.Service sub-system receives and carries out following operation behind the switching command:
After receiving handoff notification message, the control immediately of service sub-system stops inserting new business;
Current possible state is data and state synchronization state or free time (IDLE) state;
When professional control task is in idle condition, can enter link integrity immediately and check state, and if professional control task when being in synchronous regime just enters the link check state after synchronous state such as then needing to finish;
The link integrity inspection is whether be with the conversation recording table that the link-state information of respective links from physical port, VCC, PPP entity, VPN entity, tunnel to active user searched item by item in index consistent, thereby determines whether this link is complete;
When the finish switching of laggard capable primary and backup equipment of link integrity inspection.The switching controls module is provided with the scheduled time and picks up counting the handoff response result of while latency services subsystem to timer after service sub-system sends switching notice.In step 331, if judgement does not receive that the response of service sub-system or response results are handoff failure after surpassing the scheduled time, flow process then forwards step 321 to.In step 321, notice webmaster handoff failure, this sheet reset of switching controls module controls.If successfully switched service sub-system in step 331 judgement, flow process then proceeds to step 332, after the switching controls module of former standby processor controls receives the signal of service sub-system handover success, the value of the related data in record handover success daily record and the refresh.Simultaneously, restart after former standby processor controls resets, and enter standby operating state.After this, switch the finishing switching of the correlation module of correlation subsystem and each subsystem, the switching controls module is notified each the subsystem handover success and is finished interim switching state, enters the main operating state of using.Processor controls upgrades to the main operating state of using from standby operating state.
The handoff procedure of exchange control unit plate is described below, its handoff procedure and processor controls basically identical.When on leading, sending the hardware reset instruction, make this processor reset, cause that simultaneously former standby switching processor switches with processor.The hardware that the hardware detecting module of former standby switching processor monitors this plate switches, and reports to main switching controls module with processor controls, requires to be upgraded to the main operating state of using from standby operating state.After main switching controls module with processor controls received and switches upgrading message, the notice webmaster began to switch, and after webmaster is received switching command, temporarily stops other operation, so that system's pooling of resources is finished switching fast.
The switching controls module also is being provided with the scheduled time that the wait webmaster returns the response results of handling switching when webmaster sends switching command.If through response or the webmaster response results that does not obtain webmaster after the scheduled time that is provided with is handoff failure, notice webmaster handoff failure.This sheet reset of switching controls module controls.
If lead the signal that receives the webmaster handover success with the switching controls module of processor controls, notice carrier system begins to switch, and after the carrier system receives switching command, notifies the module in the carrier system to switch successively.As an example, comprise interface module in the carrier system, link control module and Switching Module, but the invention is not restricted to this.
Each module in the carrier system is carried out handover operation after receiving switching command.The switching controls module is provided with the scheduled time and picks up counting to timer after the carrier system sends switching notice, waits for the handoff response result of each module that the carrier system comprises simultaneously.If judge above after the scheduled time and do not receive that the response of the module that comprises in the carrier system or the response results of each module are handoff failure, and notice webmaster handoff failure, this sheet reset of switching controls module controls.If judge and successfully switched the module that the carrier system comprises, after main switching controls module with processor controls receives the signal of carrier system handover success, the value of the related data in record handover success daily record and the refresh.Simultaneously, restart after former standby switching processor resets, and enter standby operating state.After this, switch the finishing switching of the correlation module of correlation subsystem and each subsystem, the switching controls module is notified each the subsystem handover success and is finished interim switching state, enters the main operating state of using.Standby switching processor upgrades to the main operating state of using from standby operating state.
By the switching controls of above-described redundance unit, be appreciated that centralized control of the present invention, the process that layering is switched.Need under redundancy backup and the upper layer software (applications) system implementation structure complex environment in a set of equipment, having a plurality of key components simultaneously, centralized control makes switch logic simpler, control a plurality of redundancy backup assemblies for complicated software system and provide a kind of simple, feasible method.In addition, it is to be noted, can expand method of the present invention, to be suitable for more complicated, the more situation of changeover module that needs according to practical situations.
So far in conjunction with the preferred embodiments of the present invention the present invention is had been described in detail, those skilled in the art can make various improvement and variation under the situation of the scope and spirit essence that does not break away from claims.
Claims (15)
1. one kind is carried out centralized control in the redundant system that comprises host apparatus and stand-by equipment, and the control method that layering is switched comprises step:
A) detect the handoff request of redundant system, the grade of the device that comprises according to redundant system is determined transfer sequence;
B) device to highest ranking carries out switching controls, and waits for the switching result response;
C) if not receiving handoff response result or response results in the given time is handoff failure, this stand-by equipment then resets;
D) if the device handover success of described grade at the fixed time judges then whether stand-by equipment comprises the device of next grade, if the device of next grade is arranged, then the device to described next grade carries out switching controls and waits for the handoff response result;
E) repeating step c) to d), up to the switching of the device of all grades that complete successfully stand-by equipment; With
F) operating state with stand-by equipment upgrades to the host apparatus operating state.
2. the centralized control of in comprising the redundant system of primary and backup equipment, carrying out according to claim 1, the control method that layering is switched wherein further is included in the step that the scheduled time of waiting for the switching result response is set when the device in the stand-by equipment sent switching command.
3. the centralized control of in comprising the redundant system of primary and backup equipment, carrying out according to claim 1, the control method that layering is switched, wherein further be included in when receiving handoff request, judge whether stand-by equipment available, and if stand-by equipment can not use then report the step of handoff failure.
4. the centralized control of in comprising the redundant system of primary and backup equipment, carrying out according to claim 3, the control method that layering is switched, wherein further be included in judge that stand-by equipment is available after, notice is provided with host apparatus to be invalid and hardware to be set after receiving the invalid information of host apparatus and to trigger the step that hardware circuit switches.
5. according to any one the described centralized control of in comprising the redundant system of primary and backup equipment, carrying out in the claim 1 to 4, the control method that layering is switched, wherein said switching comprises that hardware switches and the software switching.
6. one kind is carried out centralized control in the broadband access system of the redundant system that comprises primary and backup equipment, and the control method that layering is switched comprises step:
A) handoff request of detection redundant system is determined the system that redundant system comprises, the module that comprises in subsystem that comprises in the system that described redundant system comprises and the described subsystem;
B) system that described redundant system is comprised carries out switching controls, and waits for the switching result response;
C) if not receiving handoff response result or response results in the given time is handoff failure, stand-by equipment then resets;
D) if system's handover success that described at the fixed time redundant system comprises then judges whether comprise subsystem in the described system,, then described subsystem is carried out switching controls and waits for the handoff response result if comprise subsystem;
E) if not receiving handoff response result or response results in the given time is handoff failure, stand-by equipment then resets;
F) if described at the fixed time subsystem handover success then judges whether comprise module in the described subsystem,, then described module is carried out switching controls and waited for the handoff response result if comprise module;
G) if the device of all grades completes successfully switching in the stand-by equipment, then the operating state with stand-by equipment upgrades to the host apparatus operating state.
7. one kind is carried out centralized control in comprising the redundant system of primary and backup equipment, and the control device that layering is switched comprises:
Main use processor controls, be used to detect the handoff request of redundant system, the grade of the device that comprises according to redundant system is determined transfer sequence;
Standby processor controls is used for and the main device that switches each grade between host apparatus and the stand-by equipment with processor controls;
Active and standby with processor controls and the active and standby switching processor of using, be used for the device of highest ranking is carried out switching controls, and wait for that switching result responds, if not receiving handoff response result or response results in the given time is handoff failure, stand-by equipment then resets, if the device handover success of described grade at the fixed time, judge then whether stand-by equipment comprises the device of next grade, if the device of next grade is arranged, then the device to described next grade carries out switching controls and waits for the handoff response result, and the operating state of stand-by equipment is upgraded to the host apparatus operating state.
8. the centralized control of in comprising the redundant system of primary and backup equipment, carrying out according to claim 7, the control device that layering is switched, wherein, described master comprises the operation support subsystem with processor controls, the carrier system, service sub-system, system control subsystem, nms subsystem, database subsystem, the operation support subsystem is responsible for main with processor controls and each ply-yarn drill, power board, the software of the Ethernet control link between the standby processor controls switches, the software of carrying subsystem responsible switching network switches, service sub-system is responsible for the switching of access service, system control subsystem is responsible for system-level switching controls, nms subsystem is responsible for the switching of network management function, and database subsystem is responsible for the switching of data access function.
9. the centralized control of in comprising the redundant system of primary and backup equipment, carrying out according to claim 8, the control device that layering is switched, wherein, comprise communication module in the one-level under the subsystem of described standby processor controls, the bearing interface module, hardware management module, message control module and switching controls module, communication module is responsible for the concrete operations that Ethernet control communication link switches, the bearing interface module is the external message interface module of carrier system, hardware management module is responsible for being provided with the hardware switching at the host apparatus end, message control module is responsible for the admittance control of all kinds of business, and the switching controls module is responsible for system-level switching controls.
10. the centralized control of in comprising the redundant system of primary and backup equipment, carrying out according to claim 7, the control device that layering is switched, wherein, described standby processor controls comprises the operation support subsystem, the carrier system, service sub-system, system control subsystem, nms subsystem, database subsystem, the operation support subsystem is responsible for main with processor controls and each ply-yarn drill, power board, the software of the Ethernet control link between the standby processor controls switches, the software of carrying subsystem responsible switching network switches, service sub-system is responsible for the switching of access service, system control subsystem is responsible for system-level switching controls, nms subsystem is responsible for the switching of network management function, and database subsystem is responsible for the switching of data access function.
11. the centralized control of in comprising the redundant system of primary and backup equipment, carrying out according to claim 10, the control device that layering is switched, wherein, comprise communication module in the one-level under the subsystem of described standby processor controls, the bearing interface module, link control module, switch management module, hardware management module, message control module, protocol stack module and switching controls module, communication module is responsible for the concrete operations that Ethernet control communication link switches, the bearing interface module is the external message interface module of carrier system, the carrying link control module is responsible for exchanging the establishment of connection, upgrade and deletion, the carrying Switching Module is responsible for the switching of entire switching network, hardware management module is responsible for monitoring the hardware switching signal and is complained to the switching controls module at the stand-by equipment end, the switching controls module is responsible for system-level switching controls, and message control module is responsible for the admittance control of all kinds of business.
12. the centralized control of in comprising the redundant system of primary and backup equipment, carrying out according to claim 7, the control device that layering is switched, wherein, described master comprises the operation support subsystem with switching processor, carrier system and system control subsystem.
13. the centralized control of in comprising the redundant system of primary and backup equipment, carrying out according to claim 12, the control device that layering is switched, wherein, described operation support subsystem comprises communication module, the carrier system comprises Switching Module, and system control subsystem comprises hardware management module.
14. the centralized control of in comprising the redundant system of primary and backup equipment, carrying out according to claim 7, the control device that layering is switched, wherein, described standby switching processor comprises the operation support subsystem, carrier system and system control subsystem.
15. the centralized control of in comprising the redundant system of primary and backup equipment, carrying out according to claim 14, the control device that layering is switched, wherein, described operation support subsystem comprises communication module, the carrier system comprises Switching Module, and system control subsystem comprises hardware management module.
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| CNB031150020A CN100463373C (en) | 2003-01-17 | 2003-01-17 | Centralized control and hierarchical implementing switching control method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100362758C (en) * | 2004-08-17 | 2008-01-16 | 华为技术有限公司 | Inter-board channel protection device and method |
| CN100438363C (en) * | 2004-09-30 | 2008-11-26 | 华为技术有限公司 | Bandwidth updating method and control flow for synchronous digital system |
| DE102004050350B4 (en) * | 2004-10-15 | 2006-11-23 | Siemens Ag | Method and device for redundancy control of electrical devices |
| CN100386734C (en) * | 2005-10-28 | 2008-05-07 | 北京和利时系统工程股份有限公司 | Double apparatus data acquiring master slave switching-over method with multikind redundant modes |
| CN103139066B (en) * | 2013-01-29 | 2017-04-05 | 大唐移动通信设备有限公司 | A kind of changing method of resource, main control device and node device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4393493A (en) * | 1980-11-10 | 1983-07-12 | International Telephone And Telegraph Corporation | Automatic protection apparatus for span lines employed in high speed digital systems |
| JPS60197041A (en) * | 1984-03-21 | 1985-10-05 | Nec Corp | Circuit switching controlling system |
| CN1405985A (en) * | 2001-08-21 | 2003-03-26 | 华为技术有限公司 | Master-spare converting control circuit and method for realizing it |
| CN1437326A (en) * | 2002-02-07 | 2003-08-20 | 华为技术有限公司 | Exchange method between on-line and off-line communicator |
-
2003
- 2003-01-17 CN CNB031150020A patent/CN100463373C/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4393493A (en) * | 1980-11-10 | 1983-07-12 | International Telephone And Telegraph Corporation | Automatic protection apparatus for span lines employed in high speed digital systems |
| JPS60197041A (en) * | 1984-03-21 | 1985-10-05 | Nec Corp | Circuit switching controlling system |
| CN1405985A (en) * | 2001-08-21 | 2003-03-26 | 华为技术有限公司 | Master-spare converting control circuit and method for realizing it |
| CN1437326A (en) * | 2002-02-07 | 2003-08-20 | 华为技术有限公司 | Exchange method between on-line and off-line communicator |
Non-Patent Citations (2)
| Title |
|---|
| 高速数据交换系统双机热备份的设计实现. 张志群，孔令山等.计算机工程与应用，第17期. 2001 |
| 高速数据交换系统双机热备份的设计实现. 张志群，孔令山等.计算机工程与应用，第17期. 2001 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1518234A (en) | 2004-08-04 |
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