CN1787450A - Time synchronous apparatus for ETS exchanger - Google Patents
Time synchronous apparatus for ETS exchanger Download PDFInfo
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- CN1787450A CN1787450A CN 200410089430 CN200410089430A CN1787450A CN 1787450 A CN1787450 A CN 1787450A CN 200410089430 CN200410089430 CN 200410089430 CN 200410089430 A CN200410089430 A CN 200410089430A CN 1787450 A CN1787450 A CN 1787450A
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Abstract
This invention provides a time synchronous device of an ETS switch composed of a time synchronous primary standard module, a management host synchronous module and a switch time synchronous module, among which, the latter two modules are loaded on a network management terminal of an integrated management system to make up of a time synchronous controller. The system inserted into the invented device uses UTC as the reference standard to get the time standard from GPS so as to keep the internal time of the cells constant and keep the time of the switch synchronous, at the same time, the device can measure the accuracy of time output in the time net to blench the time and matters necessarily blenched in the synchronous period of the switch to display alarms in the process.
Description
Technical field
The present invention relates to a kind of time synchronized of communication equipment, be meant the technical solution of time synchronism apparatus and the whole network thereof of the various switches that are used for mobile communication especially.Belong to areas of information technology.
Background technology
Generally, " time " two kinds of implications are arranged: constantly and the time interval.The former refer to continuous lapse of time certain in a flash, the latter refers to two intervals between the time instant.Time can the time spent, minute, second is expressed.At present, the time that the overwhelming majority is used in the switch all is to be provided by the switch internal clocking.Because the mass discrepancy of switch internal clocking, after work a period of time, deviation can take place with the standard time in the switch internal time.At this moment, need manually regularly or aperiodically the switch internal time to be revised.Yet, when the switch time is revised, can introduce human error.The existence of these deviations and error will cause the time of respective switch in the network can not keep synchronous.
Along with the development of new business such as the develop rapidly of modern communication technology, particularly ecommerce, multimedia communication, IP phone, new demand has been proposed for the synchronizing signal of free sign.In addition, in telecommunication market competition, the problem of inter-network settlement is more and more outstanding, and is also more and more to the time tag requirement of timing signal simultaneously, therefore, requires more and more higher to the time accuracy rate.More than these professional related safe, authentications and charging etc., all have close relatedly with the sign " time " of a common recognition, must carry out exact time synchronization automatically.That is to say, must solve the time synchronized of each network element in the communication network.
Yet present network management system as typical BOCO switch Integrated Network Management System, is made up of database server (comprising disk array), message server, Web server, acquisition server, webmaster terminal, the network switch and router etc.System connects in succession with local various types of switchboard directs or is connected through front end processor OMC terminal through wide area network and router.Though this Integrated Network Management System can be managed many performances of switch, the time of each switch, artificial initial setting up determined all by switch inside clock separately.Therefore, each switch exists time error each other naturally.Obviously, existing network management system, the time synchronized of each different systems switch in can not realizing netting.
Summary of the invention
In order to realize time synchronized, the invention provides a kind of device that present online multiple different systems switch carries out time synchronized automatically that solves.
The objective of the invention is, by on existing integrated network management system, embed a switch time synchronized subsystem ETS (Exchange Time System) device, this device obtains Coordinated Universal Time(UTC) UTC as time reference from global position system GPS (Global Position System), thereby the internal time of each network element is consistent, the time of respective switch in the network is kept synchronously.Simultaneously, this device also can measure with the monitoring time net in time output accuracy, avoid switch and in time synchronization process, need the Time And Event avoided, show the various alarms in the time synchronized, and have powerful statistical function and maintenance information SMS notification function.
To achieve these goals, the present invention adopts following technical scheme:
Switch time synchronized subsystem ETS of the present invention (Exchange Time System) device mainly is made up of time synchronized base modules, webmaster host synchronization module and switch time synchronized module three parts.Wherein, webmaster host synchronization module and switch time synchronized module are software module, with the webmaster terminal formation time Synchronization Control machine that loads this two software module.The function division of three modules is as follows:
The time synchronized base modules:
The time synchronized base modules mainly by three station symbols punctual between server S ATS (Standard TimeServer) form, three station servers are redundant each other, time synchronized controller with operation webmaster host synchronization module passes through the netted connection of data communication network, and is safe and reliable to guarantee connecting backup.Wherein, between every station symbol is punctual server S ATS by the global position system GPS receiver module, CPU, network interface circuit, pps pulse per second signal 1PPS produces circuit, hardware such as holding circuit and LCD formation.Standard time server S ATS in the module is based on global position system GPS and a kind of time service equipment of designing, its multipotency traces into 12 satellites in the global position system GPS, and can obtain the standard time from global position system GPS, offer the next stage network equipment according to NTP (Network Time Protocol) NTP (Network Time Protocol) form again.Because the inner thermostatic control crystal oscillator OCXO that adopts high accuracy, high stability of standard time server S ATS, server has good time hold facility.Therefore, obtained under the initial time prerequisite at the standard time server, in service temporarily can't obtain the global position system GPS signal because of certain factor the time, precise time output still can be provided.Simultaneously, standard time server S ATS has pps pulse per second signal 1PPS output, can use or the measuring instrument monitoring for other equipment.The standard time concrete function of server S ATS is as follows:
1) can obtain the standard time from global position system GPS, can trace into 12 satellites in the global position system GPS at most;
2) traced into global position system GPS as standard time server S ATS, and after the locking, if the global position system GPS signal temporarily can't obtain, the standard time, server S ATS will enter hold mode, high stability crystal oscillator OCXO in the use device keeps precise time output;
3) standard time server S ATS can send the standard time by NTP (Network Time Protocol) NTP, makes up local time's Synchronization Network;
4) access control layer MAC Address, Internet protocol IP address, subnet mask and gateway in the middle of standard time server S ATS can on-the-fly modify;
5) standard time server S ATS can inquire about the global position system GPS state in real time;
6) all parameters all can be provided with by the button on the front panel, and are easy to maintenance.
Webmaster host synchronization module: this module is the daemon software that operates on the time synchronized controller, and the NTP (Network Time Protocol) SNTP that adopts NTP (Network Time Protocol) NTP/ to simplify obtains the standard time.Its function is that the system time of switch network management system and fiducial time are consistent, and the running status of timely monitoring time server.Webmaster host synchronization module is made up of modules such as graphic interface part, configuration management part, control part, NTP (Network Time Protocol) NTP Client part, this machine time adjustment part and switch network management system interface parts.Wherein the major function finished of each module is respectively, and graphic interface can be graphical with various configurations and the operation partly of webmaster host time service software; Configuration management function partly comprises time server Internet protocol IP address, to the configuration management of time server polling period and time Synchronization Control machine scope time calibration; Control function partly is that the incident between the Coordination module makes each module work unanimity; NTP (Network Time Protocol) NTP Client function partly is that by the time of three time server SATS of NTP (Network Time Protocol) NTP tracking, and by algorithm, whether the judgement time server is reliable, and the reliable time is delivered to the time adjustment of this machine partly; This machine time adjustment function partly is, receives the temporal information that the NTP (Network Time Protocol) NTP Client transmits, and with this time be this machine of N Reference Alignment time; The switch network management system interface partly, mainly be responsible for interface with switch time synchronized module, by this interface system event is recorded in the switch network management system database, comprise time server monitoring time information, this machine incident time calibration and this machine time available event or the like whether.
Switch time synchronized module: switch time synchronized module is mainly handled modules such as part, log management part, statistical analysis part and rights management part by graphical control interface part, switch time synchronism apparatus configuration management part, task scheduling master control part, time order analysis engine part, command execution and is formed.Switch time synchronized module is a software module, also operates on the time synchronized controller, and its function is all switches in monitoring, the Control Network, and switch time and network management system time are consistent.Other application with management system Network Based are the same, the database server of switch time synchronized module shared network management system, and hardware such as acquisition server are shared command port switch are sent order.The warning information of switch will report switch time synchronized module automatically by the alarm port.Each function of partly finishing is respectively in the switch time synchronized module, graphically controls the interface partly, determines overall look ﹠ feel, and the tree graph of time synchronized object presents, the Time Synchronization Network topology present the alarm and the statistics of network route break-make situation; The configuration management of switch time synchronism apparatus partly will be finished and patrol and examine strategy, synchronization policy, and avoidance time and avoidance incident, each producer's order, the command execution agency, network element port, background map, configuration information such as check at the task configuration; Task scheduling master control part, major function comprise task execution control, task management (Mission Monitor and task scheduling management), system monitoring, artificial time management (manually the time inquires about and artificial time synchronized); Time order analysis engine part, according to the order that the task main control module is assigned, the form and the parameter of analysis and recognition command, and, return to the task scheduling master control partly with result's parsing; Log management partly comprises that log record and daily record present, and wherein, log record should comprise login and withdraw from that synchronously the correction time, each step inquiry and simultaneous operation all should have log record; Statistical analysis partly comprises the time difference analysis between the time server, and the switch time deviation is analyzed, synchronous recording statistical analysis, alarm history statistical analysis; Rights management partly comprises module operation authority and command configuration authority; Command execution agency partly is responsible for focusing on the request of the connection network element that each upper layer application sends, and relevant net element connection state monitoring etc. is provided.Wherein, to be time server be connected with hardware between the switch time synchronized subsystem software port I, adopts User Datagram Protoco (UDP)/procotol UDP/IP 10Mbits network interface to connect.To be webmaster host synchronization module be connected with software between the switch time synchronized module port II, uses the DLL dynamic link library to connect.
From the above mentioned, for the time that makes respective switch in the network keeps at first must setting up the time platform that three time servers are formed synchronously, platform produces the canonical reference time by global position system GPS.Secondly, webmaster host synchronization module and switch time synchronized module must be in the comprehensive network management software systems, embedded, like this,, the time synchronized of switch could be realized by the switch time synchronism apparatus that three modules are formed jointly.
Advantage of the present invention is apparent.On existing Integrated Network Management System, embed switch time synchronized subsystem ETS (Exchange Time System) device, adopt Coordinated Universal Time(UTC) UTC as the reference standard, and from global position system GPS acquisition time standard, the internal time of each network element is consistent, the time of respective switch in the network is kept synchronously.Simultaneously, device is gone back the accuracy of time output in energy measurement and the monitoring time net, avoid the Time And Event that switch need be avoided in time synchronization process, show the various alarms in the time synchronized, and have powerful statistical function and maintenance information SMS notification function.It is a kind of device that multiple different systems switch on the existing network carries out time synchronized automatically that solves.
Description of drawings
Fig. 1 is the organigram that switch time synchronism apparatus of the present invention embeds BOCO's network management system.Wherein, 1-BOCO integrated network management system, the webmaster terminal of 2-BOCO integrated network management system, 3-time synchronized controller, 4-network management host synchronization module, 5-switch time synchronized module, 6-time synchronized base modules, 7-time server SATS, the front end processor OMC of 8-operation maintenance center, 9-switch.
Fig. 2 is the schematic diagram that concerns of switch time synchronism apparatus of the present invention and BOCO's switch network management platform.Wherein, 10-professional application layer, 11-failure monitoring, 12-statistical analysis, 13-high-rise service layer, 14-unusual identification, the identification of 15-performance alarm, 16-network element commands agency changes before 17-alarm, 18-alarm reprocessing, 19-alarm monitoring, 20-concentrated authentication, 21-infrastructure service layer, 22-message desk, the access service of 23-network element, 24-resource management, 25-data storage layer, 26-data storage network, 27-network element acquisition platform.
Fig. 3 is module interface relation and a functions of modules block diagram in the switch time synchronism apparatus of the present invention.Wherein, 28-port I, 29-port II, 30-NTP (Network Time Protocol) NTP part, 31-graphic interface, 32-configuration management, 33-control partly, 34-this machine time adjustment part, 35-NTP (Network Time Protocol) NTP Client, 36-and BOCO's switch network management interface is partly, 37-graphically control the interface, 38-ETS switch time synchronism apparatus configuration management part, 39-task scheduling master control part, 40-time order analysis engine, 41-log management partly, 42-command execution agency part, 43-statistics part, 44-rights management.
Fig. 4 is the composition frame chart of time synchronized base modules separate unit time server SATS in the switch time synchronism apparatus of the present invention.Wherein, 45-global position system GPS antenna, 46-global position system GPS receiver module M12,47-CPU MPC860,48-network interface circuit LXT905,49-local pps pulse per second signal 1PPS produces circuit FLEX 10K20,50-clock holding circuit MAX5541,51-LCD FLEX10K20.
Fig. 5 is this machine flow chart time calibration in the switch time synchronism apparatus of the present invention.Wherein, 52-reach this machine time check and correction beginning condition, 53-proper network time protocol NTP, whether 54-current time source operating state is normal, 55-undesired, whether next standard time source is arranged, next time source of 56-nothing, 57-network timeout, 58-recording events information, 59-this machine time check and correction, 60-standard time of returning does not meet tactful scope, 61-standard time of returning meets tactful scope, 62-do not meet the condition of proofreading again, 63-condition of proofreading again, Network Time Protocol met, 64-NTP (Network Time Protocol) NTP, 65-get the standard time.
Fig. 6 is switch time synchronized module flow chart time calibration in the switch time synchronism apparatus of the present invention.Wherein, 66-beginning, 67-time control machine is normal, though 68-not allow inquiry in avoidance time district or in avoidance time district, 69-no avoidance incident or the avoidance incident is arranged but allow inquiry, 70-the past period does not have a large amount of transmitting time corrective commands, 71-connect with switch, 72-permission OK, 73-login switch, 74-provide alarm prompt, 75-when calling switch to the deviation determination module, 76-time deviation is in the allowed band of setting, 77-time deviation n has surpassed the upper limit of the permission correction of setting second, 78-time deviation n second is in the correction that allows, (comprise in the lower range, lower limit), the time deviation of 79-generation is excessive, whether the alarm prompt user continues to carry out synch command, 80-ten minutes no confirmations, 81-user selects to proceed, 82-check and correction order lower right line is handed down to switch, proofread and correct n second and return report and provide information according to switch, 83-single step check and correction, order is handed down to switch during 84-school, proofreaies and correct 1 second, and return report according to switch and provide information, 85-according to the multistep synchronization policy of setting, one second disposable task during interpolation n-1 bar school toward task list in, 86-when continuing to call switch to the deviation determination module, 87-withdraw from switch and connect 88-termination routine.
Embodiment
Describe embodiments of the invention in detail below in conjunction with accompanying drawing.
Present embodiment, on BOCO's integrated network management system 1, embed a switch time synchronized subsystem ETS of the present invention (Exchange Time System) device, obtain time standard from global position system GPS, the internal time of each network element is consistent, multiple different systems switch 9 time of carrying out is automatically kept synchronously.Wherein, switch time synchronized subsystem ETS device is made up of time synchronized base modules 6, webmaster host synchronization module 4 and switch time synchronized module 5 three parts, webmaster host synchronization module 4 and switch time synchronized module 5 are software module, are loaded on BOCO's webmaster terminal 2.The webmaster terminal of having loaded two software modules becomes time synchronized controller 3.
In the correlation of ETS switch time synchronism apparatus of the present invention and BOCO's switch comprehensive network management platform, the comprehensive network management platform can be divided into professional application layer 10, high-rise service layer 13, infrastructure service layer 21 and data storage layer 25.Time synchronized base modules 6 is positioned at infrastructure service layer 21, webmaster host synchronization module 4 is positioned at high-rise service layer 13, switch time synchronized module 5 is positioned at professional application layer 10, all the other modules such as fault monitoring 11, statistical analysis 12, discerns 14 unusually, changes 17 before the performance alarm identification 15, network element commands agency 16, alarm, alarm reprocessing 18, alarm monitoring 19, concentrates authentication 20, message desk 22, network element access service 23, resource management 24, data storage network 26 and network element acquisition platform 27 etc. to be the functional module of former BOCO switch comprehensive network management platform.Whole system is by the switch 9 of data storage layer 25 direct connection device manufacturers, or be connected to switch 9 by the OMC of operation maintenance center front end processor 8 equipment of each manufacturer, the realization network element inserts, and obtains the information such as some types, version and city, place of the network switching equipment automatically by the configuration data of collection network.Data storage layer 25 also is responsible for the Real-time Alarm that real time record all operations information and switch initiatively report.Infrastructure service layer 21 is the interface of high-rise service layer 13 and data storage layer 25, be responsible for distribution to message, provide interface with database or file mode to high- rise service layer 13,13 of high-rise service layers are responsible for various data are carried out processed, so that use such as statistical analysis 12, failure monitoring 11 in the professional application layer 10.
Provide by Fig. 3 through the annexation of port I28, port II29 and the complete function of two software modules between three modules of ETS switch time synchronism apparatus of the present invention.Black dotted line left side is a time server module 30 among the figure, and the right side is two software modules.Three modules are composed as follows:
Time synchronized base modules 6 is made up of three SATS standard time servers 7, three station servers are redundant each other, time synchronized controller 3 with operation webmaster host synchronization module 4 connects by transmission control protocol/procotol TCP/IP, and is safe and reliable to guarantee connecting backup.Wherein, every SATS standard time server 7 is mainly by global position system GPS reception antenna 45, global position system GPS receives M12 module 46, central authorities handle MPC860 unit 47, network interface LXT905 circuit 48, pps pulse per second signal 1PPS produces FLEX10K20 circuit 49, and MAX5541 holding circuit 50 and FLEX 10K20 LCD 51 constitute.
Webmaster host synchronization module 4 is made up of modules such as graphic interface part 31, configuration management part 32, control part 33, this machine time adjustment part 34, NTP (Network Time Protocol) NTP Client part 35 and BOCO's switch network management interface parts 36.Webmaster host synchronization module 4 is the daemon softwares that operate on the time synchronized controller 3, the NTP (Network Time Protocol) SNTP that adopts NTP (Network Time Protocol) NTP/ to simplify obtains the standard time, its function is to be consistent system time and the fiducial time with BOCO's switch network management system 1, and the timely running status of monitoring time server 7.Switch network management interface module 36, mainly be responsible for interface with switch time synchronized module 5, and system event is recorded in the database of BOCO's switch network management platform by this port, comprise time server monitoring time information, whether this machine incident time calibration and this machine time available event or the like.
Switch time synchronized module 5 is mainly by graphical control interface part 37, ETS switch time synchronism apparatus configuration management part 38, task scheduling master control part 39, time order analysis engine part 40, log management part 41, command execution agency part 42, modules such as statistical analysis part 43 and rights management part 44 are formed.This software module operates on the time synchronized controller 3, all switches 9 in monitoring, the Control Network, and switch time and BOCO's network management system time are consistent.With the same based on other application of BOCO's network management system, switch time synchronized module 5 is shared the database server of BOCO's network management system 1, hardware such as acquisition server, share command port switch is sent order, the warning information of switch will report switch time synchronized module 5 by the alarm port automatically.Wherein, to be time server 7 be connected with hardware between the switch clock synchronization system software port I28, uses User Datagram Protoco (UDP)/procotol UDP/IP 10Mbits network interface to connect.To be webmaster host synchronization module 4 be connected with software between the switch time synchronized module 5 port II29, uses the DLL dynamic link library to connect.
The present invention is combined by a hardware module and two software modules, switch time synchronized subsystem ETS (the Exchange Time System) device that constitutes, embed on BOCO's switch comprehensive network management platform, realized at switch 9 automatic times of the online multiple different systems of existing communication synchronous.The basic procedure that ETS switch time synchronism apparatus is proofreaied and correct the switch time is described as follows:
From this machine of Fig. 5 flow chart time calibration as seen, when synchronous motor time and standard time differed several seconds, start-up routine when reaching synchronous motor time check and correction beginning condition 52.At first, check criteria time source operating state whether normal 54, judge normal through A, left through the 53 retrieval standard time 65 of ntp network time protocol, the ntp network time protocol 64 that returns is proofreaded 59 frames through C and D differentiation arrival this machine time, synchronous motor is carried out time calibration, the correct result of calibration is also as incident, be recorded in recording events information 58 frames, standard time such as undesired, then continue to seek whether next standard time source 55 is arranged, through B judge if any, left through differentiating A and normal ntp network time protocol 53 also can be obtained the standard time 65, as do not have next time source 56, show standard time source fault as logout in recording events information 58 frames.Even under the condition good for use of standard time source, also to pass through the judgment processing of C, D, E.C judges mainly whether the standard time of returning have network timeout 57, and promptly server does not have response message the time, and overtime result will be recorded in recording events information 58 frames, as the not overtime D frame that then enters.The D frame judges mainly whether the standard time of returning meet tactful scope, and promptly the critical field of Yun Xuing meets at 61 o'clock, and this machine is calibrated 59, as not meet 60 continuation of tactful scope descending the standard time of returning, and enters the E frame and differentiates.The E frame mainly judges whether to meet the condition of proofreading again, i.e. propagation delay time conformance with standard whether, as do not meet the condition of proofreading again 62, and then record in the recording events message box 58, if meet the condition of proofreading again 63, then return and get again the standard time 65.From flow chart as seen, each incident success or not all is recorded in the recording events message box, all incidents all by and BOCO's network management system 1 interface partly, port I28, synchronization module 5 log management swap time partly 41 is stored in the database of BOCO's network management platform so that carry out statistics and analysis.
By switch time synchronized module flow chart time calibration 6 as seen,, carry out following three differentiations under the situation of time control machine normal 67, though one permission not in avoidance time district or in avoidance time district inquires about 68 in beginning 66; Its two no avoidance incident or the avoidance incident is arranged but allow inquiry 69; Its three the past period does not have a large amount of transmitting time corrective commands 70.Differentiating the result all is under the normal condition, allows to connect 71 with switch, allows 72 to differentiate successful connection through OK, login switch 73.To provide alarm prompt 74 when any situation is unusual in above-mentioned three kinds of situations.Behind the normal login switch, enter and call switch time deviation determination module 75, left road express time deviation then withdraws from switch 87 termination routines 88 in the allowed band of setting 76; Middle road represents that its time deviation n has surpassed the upper limit 77 of the permission correction of setting second, the then excessive alarm of the time deviation of Chan Shenging, and whether the prompting user continues to carry out synch command 79, and does affirmation differentiation 80 in ten minutes.If do not have confirmation in ten minutes, then withdraw from switch and connect 87 and quit a program, if obtain confirmation in ten minutes, remake and differentiate whether the user selects to proceed 81.If the user selects to proceed, then the check and correction order is handed down to switch, proofreaies and correct n second and return report according to switch to provide information 82, continues to call switch time deviation determination module 86 and withdraw from switch to connect 87, termination routine 88.Determine that time deviation n second is in the correction that allows if call switch time deviation determination module 75, (comprise in the lower range, lower limit) 78, can carry out single step check and correction 83 in the case, be that primary calibration puts in place, enter to proofread and correct n second and return report and provide information 82 according to switch, also but high-ranking officers' time order is handed down to switch, proofreaied and correct 1 second, and return report according to switch and provide information 84, then through multistep synchronization policy according to setting, 1 second disposable task 85 when in task list, adding n-1 bar school, continue to call switch time deviation determination module 86, withdraw from switch and connect 87, termination routine 88.
In sum, by three station symbols punctual between the time synchronized base modules 6 formed of server S ATS, be loaded in the Synchronization Control machine the host synchronously and the switch time synchronized subsystem ETS of the present invention (Exchange Time System) that constitutes of switch time synchronized software module 4,5 install, software module embeds in BOCO's switch network management platform, and the function and the effect of realization are summarized as follows:
Under the coordination of control module, through hardware port I28, follow the tracks of the time of three time servers 7 by NTP (Network Time Protocol) NTP, and pass through algorithm, whether judgement time server 7 is reliable, and standard time of reliable time server 7 is passed to this machine time adjustment part.The function of this machine time adjustment part is to receive the temporal information that the NTP (Network Time Protocol) NTP Client transmits, and with this time be benchmark, the fair copy machine time.
Port II29 mainly is the interface of switch management software section.By interface system event is recorded in the database of BOCO's network management system 1, comprising: writing time server monitoring time information, the calibration event of this machine time, whether this machine time available event; ETS configuration management part 38 in the switch time synchronized module 5 can be finished and patrol and examine strategy, synchronization policy, avoidance time district, avoidance incident, each producer's order, command execution agency, network element port, background map, configuration information and the task configuration such as check; The major function of task scheduling main control module 39 comprises: task is carried out control, task management and system monitoring; The function of time order analysis engine 40, be the time inquiry assigned according to task control module and the command configuration information of time adjustment order and relevant producer, command format and parameter that the synthetic switch of analysis bank can be discerned, send to command execution proxy module 42, simultaneously, the time command execution results report that switch returns is resolved, return to task scheduling main control module 39; The function of command execution proxy module 42 is, be responsible for focusing on the connection network element request that each upper layer application is sent, by transmission control protocol/procotol TCP/IP, RS232, X.25 wait agreement to connect each network element, and directly utilize BOCO's network management system, provide relevant net element connection state to monitor a series of functions.
In the area of not using BOCO's integrated network management system 1, with relevant webmaster host synchronization module 4 and the switch time synchronized module 5 among the embodiment 1, and the BOCO's switch network management platform software except that the ETS subsystem is loaded in separately on the server among Fig. 2, also can finish embedded switch time synchronized repertoire equally.Promptly same software loading in a computer PC different with BOCO network management system webmaster terminal 2, switch time synchronized subsystem ETS (Exchange Time System) device still can obtain the standard time from global position system GPS by time server 7, carry out the synchronous automatically of switch time, form separate type switch time synchronized subsystem ETS (Exchange Time System) device, this device will not have other functions beyond (promptly not open-minded) switch integrated network management system time synchronized management function.
Claims (10)
1. ETS switch time synchronism apparatus, this device is connected with the switch network management platform, obtain Coordinated Universal Time(UTC) UTC time reference from global position system GPS, and configuration computer, it is characterized in that this device is made of synchronous base module, webmaster host synchronization module and switch time synchronized module three parts.
2. ETS switch time synchronism apparatus according to claim 1, it is characterized in that, this device embeds the comprehensive network management platform by interface, finish the embedded equipment of various switch time synchronized, or be independent of outside the comprehensive network management platform, finish the separate type device of various switch time synchronized separately.
3. ETS switch time synchronism apparatus according to claim 1, it is characterized in that, the time synchronized base modules is redundant each other by three, forms by the standard time server S ATS that transmission control protocol/procotol TCP/IP connects with the time synchronized controller of operation webmaster host synchronization module.
4. ETS switch time synchronism apparatus according to claim 3, it is characterized in that standard time server S ATS produces circuit, holding circuit and liquid crystal display circuit module by GPS receiving circuit, central processing circuit, network interface circuit, pps pulse per second signal 1PPS and constitutes.
5. switch time synchronism apparatus according to claim 1 and 2, it is characterized in that webmaster host synchronization module is made up of graphic interface part, configuration management part, control part, NTP (Network Time Protocol) NTP Client part, this machine time adjustment part and switch network management system interface part module.
6. ETS switch time synchronism apparatus according to claim 1 and 2, it is characterized in that switch time synchronized module is handled part, log management part, statistical analysis part and rights management part module by graphical control interface part, switch time synchronism apparatus configuration management part, task scheduling master control part, time order analysis engine part, command execution and formed.
7. ETS switch time synchronism apparatus according to claim 1 is characterized in that, has in the device by webmaster host synchronization module and switch time synchronized module, is loaded on the webmaster terminal time synchronized controller of formation.
8. ETS switch time synchronism apparatus according to claim 7, it is characterized in that, webmaster host synchronization module in the time synchronized controller disposes system's following parameters: comprise three time server IP addresses and title relevant information, the time server polling period, time control machine scope time calibration.
9. ETS switch time synchronism apparatus according to claim 7 is characterized in that having in the Synchronization Control machine, can monitor all switch times in the Control Network, the switch time synchronized module that itself and network management platform system time are consistent.
10. ETS switch time synchronism apparatus according to claim 1, it is characterized in that, device has the time synchronized base modules, webmaster host synchronization module, switch time synchronized module embeds switch Integrated Network Management platform, system event can be noted down in the network management system database, directly utilize network management platform, the port I and the port II of relevant net element connection state monitoring is provided.
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| CN 200410089430 CN1787450A (en) | 2004-12-10 | 2004-12-10 | Time synchronous apparatus for ETS exchanger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013010405A1 (en) * | 2011-07-20 | 2013-01-24 | 中兴通讯股份有限公司 | System synchronization control method and apparatus |
| CN109257133A (en) * | 2018-09-14 | 2019-01-22 | 武汉虹信通信技术有限责任公司 | A kind of the whole network clock synchronizing method and device applied to LTE rail transit network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013010405A1 (en) * | 2011-07-20 | 2013-01-24 | 中兴通讯股份有限公司 | System synchronization control method and apparatus |
| CN109257133A (en) * | 2018-09-14 | 2019-01-22 | 武汉虹信通信技术有限责任公司 | A kind of the whole network clock synchronizing method and device applied to LTE rail transit network |
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