CN105703867B - Suitable for the rapid deployment system and method for time synchronization network - Google Patents
Suitable for the rapid deployment system and method for time synchronization network Download PDFInfo
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- CN105703867B CN105703867B CN201610007814.7A CN201610007814A CN105703867B CN 105703867 B CN105703867 B CN 105703867B CN 201610007814 A CN201610007814 A CN 201610007814A CN 105703867 B CN105703867 B CN 105703867B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
- H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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Abstract
The invention discloses a kind of rapid deployment system and method suitable for time synchronization network, it is related to area of optical telecommunication networks.The system includes servo synchronization initialization unit, servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit, when node powers on, the relevant hardware of time synchronization and chip are initialized and configured, start servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit, three unit periodic duties at the same time；The work of servo synchronization Port detecting unit detection line interface and connection status, more new synchronous interface list；Servo synchronization unit receives, transmission source temporal information, and according to detection and the source time information received, performs servo pattern or synchronous mode.The present invention can realize rapid deployment of the time synchronization network in engineering, substantially reduce configuration work amount, and prevent failure caused by configuration error.
Description
Technical field
The present invention relates to area of optical telecommunication networks, is specifically related to a kind of rapid deployment system suitable for time synchronization network
And method.
Background technology
It is higher and higher to time synchronization requirement with the development of communication service.1588v2 (precise synchronizations
Agreement v2 versions) ground elapsed time tranmission techniques are used as, with GPS (Global Positioning System, global positioning system)
Deng satellite synchronization Technical comparing, have the advantages that safety, failure rate are low, cost is low, deployment is convenient.Time synchronization network just becomes weight
The supporting network wanted.With the expansion of bearer network scale, the interstitial content in Time Synchronization Network is also more and more.Hold at present
What the node in contained network was taken is BC (boundary clock) clock models.In practical engineering application, from active and standby time server to
Bearer network injection length information, bearer network node by BMC, (calculate by Best Master Clock Algorithm, best master clock
Method) selection tracking time source and tracking direction.Interstitial content in local network is even up to thousands of often beyond 1,000
Node.The workload that time synchronization network is manually disposed is increasing, it is easy to malfunctions, the configuration error of time synchronization network can be direct
The operation of terminal device is influenced, bigger pressure is also brought to engineering opening, and directly result in time synchronization network engineering department
The inefficiency of administration.
The content of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technology, there is provided a kind of suitable for the fast of time synchronization network
Fast deployment system and method, can realize rapid deployment of the time synchronization network in engineering, substantially reduce bearer network large scale deployment
Configuration work amount during time synchronization, and prevent failure caused by configuration error.
The present invention provides a kind of rapid deployment system suitable for time synchronization network, which initializes including servo synchronization
Unit, servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit, wherein：
The servo synchronization initialization unit is used for：When node powers on, to the relevant hardware of time synchronization and chip into
Row initialization and configuration, after being allowed to normal work, carry out initial configuration to external interface, it is properly received or is exported synchronously
Signal；1588 application layer software operational modes are configured, the data used to Precision Time Protocol PTP and BMC protocol stack
Collection is initialized；Then servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit are started at the same time,
Servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit periodic duty；
The servo synchronization Port detecting unit is used for：Work and the connection status of line interface are detected, renewal synchronously connects
Mouth list；
The servo synchronization unit includes notification packet processing module, servo timer, synchronization module and servo module, watches
Taking synchronization unit has two kinds of operating modes：Servo pattern and synchronous mode, are operated in which kind of pattern is determined by servo timer；Watch
Synchronization unit reception, transmission source temporal information are taken, and according to detection and the source time information received, performs servo pattern or synchronization
Pattern；
The servo synchronization administrative unit is used for：Configuration information is received, the setting of data is compensated according to configuration data,
The operating mode of designated port, or stop servo synchronization pattern, into conventional synchronous operational mode；When being also responsible for servo synchronization
Configuration response, performance, state, alarm report.
Based on the above technical solutions, the servo pattern is：Synchronous protocol is closed, removes source time information, no
External time source is tracked, is not also sent out temporal information；Internal time state is maintained, network source temporal information is intercepted in holding,
Synchronous mode can be quickly switched into.
Based on the above technical solutions, the synchronous mode is：According to received source time information, by most preferably main
Clock algorithm BMC, the time source and port synchronous regime that decision node is tracked, and the source time information of tracking and port is same
Step state submits notification packet processing module, information is sent by master clock Master ports, node is by from clock Slave
Port synchronization upstream, when Slave ports do not receive notification packet for a period of time, will be transferred to servo pattern.
Based on the above technical solutions, when the servo synchronization unit receives the information of source time, into synchronization
Pattern, runs BMC algorithms and PTP measurement agreements, synchronous upstream time, and downstream transmission source temporal information；If source time is believed
Breath is lost, and more than thresholding, then into servo pattern, servo pattern belongs to the state of intercepting of source time information, is not sent out this
Ground temporal information, stops the synchronous upstream time, stops downstream transmission source temporal information.
Based on the above technical solutions, reception feelings of the servo timer monitoring for synchronous source time information
Condition, and the operating mode of servo synchronization unit is determined accordingly；The overtime duration of servo timer=synchronisation source temporal information is sent
Cycle * time-out coefficient, is configured the overtime duration of servo timer by synchronization module；Servo timer normally receives synchronization
Source time information when, timeout flag is configured to " 0 ", and notify servo synchronization unit to run on synchronous mode；If servo is determined
When device time-out do not receive source time information, then timeout flag is configured to " 1 ", and notify servo synchronization unit to run on servo mould
Formula.
The present invention also provides a kind of quick deployment method suitable for time synchronization network based on said system, including it is following
Step：
When node powers on, servo synchronization initialization unit to the relevant hardware of time synchronization and chip carry out initialization and
Configuration, is allowed to work normally；Initial configuration is carried out to external interface, it is properly received or export synchronizing signal；To 1588
Application layer software operational mode is configured, and the data set used to Precision Time Protocol PTP and BMC algorithm protocol stack carries out just
Beginningization；Then servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit, servo synchronization are started at the same time
Port detecting unit, servo synchronization unit, servo synchronization administrative unit periodic duty；
The work of the servo synchronization Port detecting unit detection line interface and connection status, more new synchronous interface row
Table：
When line interface is opened, and work and connection status is normal, during no alarm, which is added into synchronous port
List, line interface operation PTP protocol, synchronizes tracking, master clock Master carries out temporal information from clock Slave
Send；
When line interface is not opened, or work, connection status are abnormal, there are during alarm, are then deleted from synchronous port list
Except the line interface；
Servo synchronization Port detecting unit periodic duty, upgrades synchronous port list in time；
When the servo synchronization unit receives source time information, into synchronous mode, BMC algorithms and PTP measurements are run
Agreement, synchronous upstream time, and downstream transmission source temporal information；If source time information is lost, more than thresholding, then into servo
Pattern, servo pattern belong to the state of intercepting of source time information, are not sent out local time information, when stopping synchronous upstream
Between, stop downstream transmission source temporal information；
The servo synchronization administrative unit is responsible for receiving configuration information, and the setting of data is compensated according to configuration data,
The operating mode of designated port, or stop servo synchronization pattern, into conventional synchronous operational mode；When being also responsible for servo synchronization
Configuration response, performance, state, alarm report.
Based on the above technical solutions, the servo synchronization Port detecting unit periodic duty, poll node are each
There is the line port of time synchronization, to judge whether it works normally and opening time synchronizing function, idiographic flow is such as
Under：
According to node port list, each line port with time synchronization is polled, detects one every time
The state of a line port, after update port numbers again, the next port in list is detected, until all of the port in list
All it is detected, detection terminates, and next duty cycle, which repeats, to be detected；
Whether detection line port is opened, and the port being not turned on can not deadline synchronizing function；Detect line port
Whether connection is normal, does not connect, the port of single-pass is without opening time synchronizing function；Whether detect line port working status
Normally, port speed is not equipped with, receives and dispatches situations such as exception, alarm, can not deadline synchronizing function；
Update synchronous port list：In synchronous port list, the line port that detection passes through is labeled as synchronous port,
Unsanctioned line port will be detected and be labeled as asynchronous port；The synchronous port list application is in servo synchronization Port detecting list
In member, servo synchronization unit, servo synchronization administrative unit, being only labeled as the line port of synchronous port can just synchronize.
Based on the above technical solutions, the notification packet processing module is passed by receiving and sending notification packet
Source time information is passed, notification packet is received and is used to obtain upstream source temporal information, with the path for deciding whether to track and tracking；Hair
Send notification packet to be used to downstream transmit source time information, temporal information is transmitted node by node.
Based on the above technical solutions, the flow of the notification packet processing module transmitting-receiving notification packet is as follows：It is logical
When announcement message processing module (MPM) receives notification packet, first determine whether notification packet is source time information, if notification packet
For source time information, synchronization module processing is transmitted to, if the source time information is identical with the source time of current sync, and is connect
Receiving end mouth is consistent, or is currently operating in servo pattern, then is zeroed out operation to servo timer；If the source time information
The source time of non-present synchronization, then be not zeroed out operation to servo timer；If notification packet is boundary clock BC nodes
Temporal information, then abandon, and servo timer is not operated；, will when notification packet processing module sends notification packet
The source time information that synchronization module provides, the synchronous port status information made a decision according to synchronization module, sends from master clock port.
Based on the above technical solutions, the servo synchronization Port detecting unit, servo synchronization unit, servo synchronization
Administrative unit is closed or restarted according to the change of configuration.
Compared with prior art, advantages of the present invention is as follows：
(1) the characteristics of present invention is disposed according to time synchronization network in bearer network, analysis refinement is carried out to engineer application model,
A kind of new servo synchronization application model is defined, can accomplish that exempting from configuration or few configuration, device power can run, at that time
Between source access loading network when, node is automatically performed tracking；, can automatic synchronization without configuration when node access networks network.With mesh
Preceding active and standby time server is to bearer network injection length information, the time source that bearer network node is tracked by BMC algorithms selections
Compared with tracking direction, the present invention can not only meet the functional requirement of bearer network rapid deployment time synchronization, and can be real
Existing time synchronization network substantially reduces configuration work amount during bearer network large scale deployment time synchronization in the rapid deployment of engineering,
And prevent failure caused by configuration error.
(2) the servo synchronization Port detecting unit in the present invention is without the time synchronization working status to each port of node
Configured, can just bind line port working properly automatically, realize the synchronization of time, substantially reduce configuration work during deployment
Measure, while can also avoid time synchronization aspect from being alerted due to the mistake of the line port caused by configuration error to not opening.
(3) present invention runs on node, realizes simple, complicated without exploitation planning software and interface.
(4) the servo synchronization unit in the present invention is only handled source time information, is so meeting time synchronization network
Dispose under functional requirement, the configuration work to boundary clock BC node parameters can be reduced, and being capable of compatible conventional synchronization mould
The node of formula, supports the human configuration of network, facilitates engineer application.
Brief description of the drawings
Fig. 1 is the flow chart that servo synchronization initializes in the embodiment of the present invention.
Fig. 2 is the flow chart of servo synchronization Port detecting in the embodiment of the present invention.
Fig. 3 is the flow chart of servo synchronization in the embodiment of the present invention.
Fig. 4 is the flow chart of servo synchronization management in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
The embodiment of the present invention provides a kind of rapid deployment system suitable for time synchronization network, including servo synchronization initialization
Unit, servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit, wherein：
Servo synchronization initialization unit is used for：When node powers on, the relevant hardware of time synchronization and chip are carried out just
Beginningization and configuration, after being allowed to normal work, initial configuration is carried out to external interface, it is properly received or export synchronous letter
Number；1588 application layer software operational modes are configured, the data set used to Precision Time Protocol PTP and BMC protocol stack
Initialized；Then start servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit at the same time, watch
Take synchronous port detection unit, servo synchronization unit, servo synchronization administrative unit periodic duty；
Servo synchronization Port detecting unit is used for：Detect work and the connection status of line interface, more new synchronous interface row
Table；
It is same that servo synchronization unit includes notification packet processing module, servo timer, synchronization module and servo module, servo
Step unit has two kinds of operating modes：Servo pattern and synchronous mode, are operated in which kind of pattern is determined by servo timer；
Servo synchronization unit is used for：Receive, transmission source temporal information, and according to detection and the source time information received, hold
Row servo pattern or synchronous mode；
Servo pattern：Synchronous protocol is closed, source time information is removed, external time source is not tracked, when not also being sent out
Between information；Internal time state is maintained, holding intercepts network source temporal information, can be quickly switched into synchronous mode；
Synchronous mode：According to received source time information, by BMC algorithms, time source and end that decision node is tracked
Mouth synchronous regime, and the source time information of tracking and port synchronous regime are submitted into notification packet processing module, information is passed through
Master (master clock) port is sent, node by Slave (from clock) port synchronization upstream, when Slave ports do not receive it is logical
Accuse message for a period of time, servo pattern will be transferred to；
Servo synchronization administrative unit is used for：Configuration information is received, the setting of data is compensated according to configuration data, is specified
The operating mode of port, or stop servo synchronization pattern, into conventional synchronous operational mode；When being otherwise responsible for servo synchronization
Configuration response, performance, state, alarm report.
The embodiment of the present invention also provides a kind of quick deployment method suitable for time synchronization network based on said system, bag
Include following steps：
Shown in Figure 1, when node powers on, servo synchronization initialization unit is to the relevant hardware of time synchronization and chip
Initialized and configured, be allowed to work normally；Initial configuration is carried out to external interface, it is properly received or is exported synchronously
Signal；1588 application layer software operational modes are configured, to PTP (Precision Time Protocal, precise time
Agreement) data set used of agreement and BMC algorithm protocol stacks initialized；Then servo synchronization Port detecting list is started at the same time
Member, servo synchronization unit, servo synchronization administrative unit, servo synchronization Port detecting unit, servo synchronization unit, servo synchronization pipe
Unit periodic duty is managed, synchronous port selection, synchronized tracking and temporal information are completed automatically according to the source time information of reception
Send, servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit can also according to the change of configuration and
Close or restart.
For the embodiment of the present invention when node powers on, acquiescence carries out servo synchronization initialization, substitutes traditional synchronous initiation；
It is different corresponding task need to just to be started after configuration synchronizing function enables from traditional initialization, the embodiment of the present invention initialization with
After the completion of configuration, acquiescence starts servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit.
Shown in Figure 2, the work and connection status, renewal of servo synchronization Port detecting unit detection line interface are synchronous
Interface list：
When line interface is opened, and work and connection status is normal, during no alarm, which is added into synchronous port
List, the line interface can run PTP protocol, and Slave synchronizes tracking (from clock), when Master (master clock) is carried out
Between information transmission；
When line interface is not opened, or work, connection status are abnormal, there are during alarm, are then deleted from synchronous port list
Except the line interface；
Servo synchronization Port detecting unit periodic duty, upgrades synchronous port list in time.
Servo synchronization Port detecting unit periodic duty, poll node each have the function of the line port of time synchronization,
To judge whether it works normally and opening time synchronizing function, idiographic flow is as follows：
According to node port list, each line port with time synchronization is polled, detects one every time
The state of a line port, after update port numbers again, the next port in list is detected, until all of the port in list
All it is detected, detection terminates, and next duty cycle, which repeats, to be detected；
Whether detection line port is opened, and the port being not turned on can not deadline synchronizing function；Detect line port
Whether connection is normal, does not connect, the port of single-pass is without opening time synchronizing function；Whether detect line port working status
Normally, port speed is not equipped with, receives and dispatches situations such as exception, alarm, can not deadline synchronizing function；
Update synchronous port list：In synchronous port list, the line port that detection passes through is labeled as synchronous port,
Unsanctioned line port will be detected and be labeled as asynchronous port；The synchronous port list application is in servo synchronization Port detecting list
In member, servo synchronization unit, servo synchronization administrative unit, being only labeled as the line port of synchronous port can just synchronize.
Servo synchronization Port detecting unit is without configuring the time synchronization working status of each port of node, with regard to energy
Automatically line port working properly is bound, realizes the synchronization of time, substantially reduces configuration work amount during deployment, while also can
Time synchronization aspect is enough avoided to be alerted due to the mistake of the line port caused by configuration error to not opening.
It is shown in Figure 3, when servo synchronization unit receives source time information, into synchronous mode, operation BMC algorithms and
PTP measurement agreements, synchronous upstream time, and downstream transmission source temporal information；If source time information is lost, more than thresholding, then
Into servo pattern, servo pattern belongs to the state of intercepting of source time information, is not sent out local time information, stops synchronous
The upstream time, stops downstream transmission source temporal information.
Notification packet processing module transmits source time information by receiving and sending notification packet, receives notification packet energy
Upstream source temporal information is enough obtained, with the path for deciding whether to track and tracking；Source can downstream be transmitted by sending notification packet
Temporal information, enables temporal information to be transmitted node by node.
Shown in Figure 3, the flow of notification packet processing module transmitting-receiving notification packet is as follows：
When notification packet processing module receives notification packet, first determine whether notification packet is source time information, such as
Fruit notification packet is source time information, synchronization module processing is transmitted to, if the source time information and the source time of current sync
It is identical, and receiving port is consistent, or be currently operating in servo pattern, then operation is zeroed out to servo timer；If
The source time of the source time information non-present synchronization, then be not zeroed out operation to servo timer；If notification packet is side
The temporal information of boundary's clock BC nodes, then abandon, and servo timer is not operated.
Servo synchronization unit is only handled source time information, is so meeting time synchronization network deployment functional requirement
Under, the configuration work to boundary clock BC node parameters can be reduced, and be capable of the node of compatible conventional synchronous mode.
When notification packet processing module sends notification packet, source time information that synchronization module is provided, according to synchronous mould
The synchronous port status information of block resolution, sends from Master (master clock) port.
Reception condition of the servo timer monitoring for synchronous source time information, and servo synchronization unit is determined accordingly
Operating mode.The overtime duration of servo timer=synchronisation source temporal information sending cycle * time-out coefficients, overtime coefficient can basis
Need to be configured, general default configuration is 3, is configured the overtime duration of servo timer by synchronization module.Servo is determined
When device when normally receiving synchronous source time information, timeout flag is configured to " 0 ", and notify servo synchronization unit to run on together
Step mode；If servo timer expiry does not receive source time information, timeout flag is configured to " 1 ", and notifies servo synchronization
Unit runs on servo pattern.
Shown in Figure 4, servo synchronization administrative unit is responsible for receiving configuration information, and data are compensated according to configuration data
Setting, the operating mode of designated port, or stop servo synchronization pattern, into conventional synchronous operational mode；In addition it is also negative
Blame servo synchronization when configuration response, performance, state, alarm report, be described in detail separately below.
Servo synchronization configures：Servo synchronization pattern, acquiescence operation is to be configured.But also support to client in servo
The working status of synchronous port is specified under synchronous mode, to meet special networking requirement.When circuit has asymmetric delay or deposits
It is delayed in cable, can be also eliminated by network management configuration offset data, meet the needs of project plan.When client configures
Other operating modes, are configured by servo synchronization, can turn off or on servo synchronization Port detecting unit, servo synchronization list
Member, servo synchronization administrative unit, realize the switching of different working modes.
Servo synchronization performance reports：The transmitting-receiving counting of sync message, time deviation adjustment when gathering and report servo synchronization
In time, the performance data such as average, peak peak, for time synchronization network operation maintenance management.
Servo synchronization state reporting：Gather and report servo synchronization status information, including operating mode, synchronous source time letter
Breath, port synchronous working state, synchronization TOD (Time of Day, Time of Day) value etc., for time synchronization network operation and maintenance pipe
Reason.
Servo synchronization alarm report：Warning information during servo synchronization mode operation is gathered and reports, with normal mode not
Be：The line interface for being included in synchronous port is only detected, message can be just gathered and receive the alarm such as time-out；When circuit occurs
Failure, when causing communication disruption, alerts and is gathered by service layer, avoids time synchronization aspect from occurring accusing by mistake.
Those skilled in the art can carry out various modifications and variations to the embodiment of the present invention, if these modifications and change
Type is within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content not being described in detail in specification is known to the skilled person.
Claims (7)
1. a kind of rapid deployment system suitable for time synchronization network, it is characterised in that the system is initialized including servo synchronization
Unit, servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit, wherein：
The servo synchronization initialization unit is used for：When node powers on, the relevant hardware of time synchronization and chip are carried out just
Beginningization and configuration, after being allowed to normal work, initial configuration is carried out to external interface, it is properly received or export synchronous letter
Number；1588 application layer software operational modes are configured, the data set used to Precision Time Protocol PTP and BMC protocol stack
Initialized；Then start servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit at the same time, watch
Take synchronous port detection unit, servo synchronization unit, servo synchronization administrative unit periodic duty；
The servo synchronization Port detecting unit is used for：Detect work and the connection status of line interface, more new synchronous interface row
Table；
It is same that the servo synchronization unit includes notification packet processing module, servo timer, synchronization module and servo module, servo
Step unit has two kinds of operating modes：Servo pattern and synchronous mode, are operated in which kind of pattern is determined by servo timer；Servo is same
Unit reception, transmission source temporal information are walked, and according to detection and the source time information received, performs servo pattern or synchronous mould
Formula；
The servo synchronization administrative unit is used for：Configuration information is received, the setting of data is compensated according to configuration data, is specified
The operating mode of port, or stop servo synchronization pattern, into conventional synchronous operational mode；Matching somebody with somebody when being also responsible for servo synchronization
Put response, performance, state, alarm report；
The servo pattern is：Synchronous protocol is closed, source time information is removed, does not track external time source, be not also sent out
Temporal information；Internal time state is maintained, holding intercepts network source temporal information, can be quickly switched into synchronous mode；
The synchronous mode is：According to received source time information, by best master clock algorithm BMC, determine that node is tracked
Time source and port synchronous regime, and the source time information of tracking and port synchronous regime are submitted into notification packet processing mould
Block, information is sent by master clock Master ports, node is by from clock Slave ports synchronization upstream, when Slave ports
Notification packet is not received for a period of time, will be transferred to servo pattern；
When the servo synchronization unit receives source time information, into synchronous mode, BMC algorithms and PTP measurement agreements are run,
Synchronous upstream time, and downstream transmission source temporal information；If source time information is lost, more than thresholding, then into servo pattern,
Servo pattern belongs to the state of intercepting of source time information, is not sent out local time information, stops the synchronous upstream time, stops
Downstream transmission source temporal information.
2. it is suitable for the rapid deployment system of time synchronization network as claimed in claim 1, it is characterised in that：The servo timing
Reception condition of the device monitoring for synchronous source time information, and the operating mode of servo synchronization unit is determined accordingly；Servo is determined
When device overtime duration=synchronisation source temporal information sending cycle * time-out coefficients, the time-out by synchronization module to servo timer
Duration is configured；When servo timer normally receives synchronous source time information, timeout flag is configured to " 0 ", and notify
Servo synchronization unit runs on synchronous mode；If servo timer expiry does not receive source time information, timeout flag is configured
For " 1 ", and servo synchronization unit is notified to run on servo pattern.
A kind of 3. quick deployment method suitable for time synchronization network based on system described in claim 1, it is characterised in that bag
Include following steps：
When node powers on, servo synchronization initialization unit is initialized and matched somebody with somebody to the relevant hardware of time synchronization and chip
Put, be allowed to work normally；Initial configuration is carried out to external interface, it is properly received or export synchronizing signal；Should to 1588
Configured with layer running software pattern, the data set used to Precision Time Protocol PTP and BMC algorithm protocol stack carries out initial
Change；Then servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit, servo synchronization end are started at the same time
Mouth detection unit, servo synchronization unit, servo synchronization administrative unit periodic duty；
The work of the servo synchronization Port detecting unit detection line interface and connection status, more new synchronous interface list：
When line interface is opened, and work and connection status is normal, during no alarm, which is added into synchronous port row
Table, line interface operation PTP protocol, synchronizes tracking, master clock Master carries out the hair of temporal information from clock Slave
Send；
When line interface is not opened, or work, connection status are abnormal, and there are during alarm, then being deleted from synchronous port list should
Line interface；
Servo synchronization Port detecting unit periodic duty, upgrades synchronous port list in time；
When the servo synchronization unit receives source time information, into synchronous mode, BMC algorithms and PTP measurement agreements are run,
Synchronous upstream time, and downstream transmission source temporal information；If source time information is lost, more than thresholding, then into servo pattern,
Servo pattern belongs to the state of intercepting of source time information, is not sent out local time information, stops the synchronous upstream time, stops
Downstream transmission source temporal information；
The servo synchronization administrative unit is responsible for receiving configuration information, and the setting of data is compensated according to configuration data, specifies
The operating mode of port, or stop servo synchronization pattern, into conventional synchronous operational mode；Matching somebody with somebody when being also responsible for servo synchronization
Put response, performance, state, alarm report.
4. it is suitable for the quick deployment method of time synchronization network as claimed in claim 3, it is characterised in that：The servo synchronization
Port detecting unit periodic duty, poll node each have the function of the line port of time synchronization, to judge whether it is normal
Work and opening time synchronizing function, idiographic flow are as follows：
According to node port list, each line port with time synchronization is polled, detects a line every time
The state of road port, after update port numbers again, detect the next port in list, until in list all of the port all by
Detection, detection terminate, and next duty cycle, which repeats, to be detected；
Whether detection line port is opened, and the port being not turned on can not deadline synchronizing function；Detect line port connection
It is whether normal, do not connect, the port of single-pass is without opening time synchronizing function；Whether just to detect line port working status
Often, port speed is not equipped with, receives and dispatches situations such as exception, alarm, can not deadline synchronizing function；
Update synchronous port list：In synchronous port list, the line port that detection passes through is labeled as synchronous port, will be examined
Survey unsanctioned line port and be labeled as asynchronous port；The synchronous port list application servo synchronization Port detecting unit,
In servo synchronization unit, servo synchronization administrative unit, being only labeled as the line port of synchronous port can just synchronize.
5. it is suitable for the quick deployment method of time synchronization network as claimed in claim 3, it is characterised in that：The notification packet
Processing module transmits source time information by receiving and sending notification packet, receives notification packet and is used to obtain upstream source time
Information, with the path for deciding whether to track and tracking；Send notification packet to be used to downstream transmit source time information, believe the time
Breath is transmitted node by node.
6. it is suitable for the quick deployment method of time synchronization network as claimed in claim 5, it is characterised in that：The notification packet
The flow of processing module transmitting-receiving notification packet is as follows：When notification packet processing module receives notification packet, first determine whether to notice
Whether message is source time information, if notification packet is source time information, is transmitted to synchronization module processing, the source time information
If it is identical with the source time of current sync, and receiving port is consistent, or be currently operating in servo pattern, then servo is determined
When device be zeroed out operation；If the source time of the source time information non-present synchronization, is not zeroed out servo timer
Operation；If notification packet is the temporal information of boundary clock BC nodes, abandon, and servo timer is not operated；
When notification packet processing module sends notification packet, source time information that synchronization module is provided, makes a decision according to synchronization module
Synchronous port status information, sends from master clock port.
7. the quick deployment method suitable for time synchronization network as any one of claim 3 to 6, it is characterised in that：
The servo synchronization Port detecting unit, servo synchronization unit, servo synchronization administrative unit closed according to the change of configuration or
Restart.
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| CN201610007814.7A CN105703867B (en) | 2016-01-07 | 2016-01-07 | Suitable for the rapid deployment system and method for time synchronization network |
| PCT/CN2016/102811 WO2017118148A1 (en) | 2016-01-07 | 2016-10-21 | Rapid deployment system and method suitable for time synchronization network |
| MYPI2018700512A MY187645A (en) | 2016-01-07 | 2016-10-21 | Rapid deployment system and method suitable for time synchronization network |
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| CN105703867B (en) * | 2016-01-07 | 2018-05-08 | 烽火通信科技股份有限公司 | Suitable for the rapid deployment system and method for time synchronization network |
| CN108021430B (en) * | 2016-10-31 | 2021-11-05 | 杭州海康威视数字技术股份有限公司 | Distributed task processing method and device |
| CN106647573B (en) * | 2016-11-01 | 2020-06-19 | 清能德创电气技术（北京）有限公司 | Servo driver synchronous control system |
| FR3062204B1 (en) * | 2017-01-26 | 2019-04-05 | Thales | ELECTRONIC COMMUNICATION GATEWAY, AVIONIC COMMUNICATION INSTALLATION COMPRISING SUCH GATEWAY, INFORMATION PROCESSING METHOD AND COMPUTER PROGRAM |
| CN110928892B (en) * | 2019-10-15 | 2023-06-27 | 中国直升机设计研究所 | Data information scanning synchronization system and method |
| CN113162813B (en) * | 2020-01-22 | 2022-06-03 | 烽火通信科技股份有限公司 | PTP message loss detection analysis method and device |
| CN111308937B (en) * | 2020-02-28 | 2020-11-24 | 浙江禾川科技股份有限公司 | Bus type servo motor network starting method, device, equipment and storage medium |
| CN112002069A (en) * | 2020-08-19 | 2020-11-27 | 成都川衡科技有限公司 | Shared mobile phone charging equipment based on Internet of things and charging method thereof |
| CN114205066B (en) * | 2021-11-23 | 2023-10-24 | 青岛鼎信通讯股份有限公司 | Time synchronization detection method based on acquisition terminal B code time synchronization |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1825836A (en) * | 2006-04-04 | 2006-08-30 | 中兴通讯股份有限公司 | System and method for avoiding network apparatus jamming |
| CN101170373A (en) * | 2007-11-27 | 2008-04-30 | 上海自动化仪表股份有限公司 | Clock synchronization realization method for loop network |
| CN102056285A (en) * | 2011-01-18 | 2011-05-11 | 大唐移动通信设备有限公司 | Clock synchronization method, system and equipment |
| CN105024841A (en) * | 2014-04-23 | 2015-11-04 | 中兴通讯股份有限公司 | Clock and time synchronization network synchronization fault processing method and system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399655B (en) * | 2007-09-27 | 2011-04-20 | 华为技术有限公司 | Determining method and apparatus for synchronization port of transparent clock device |
| US8165168B2 (en) * | 2007-10-01 | 2012-04-24 | Altair Semiconductor Ltd. | Zone synchronization in wireless communication networks |
| CN101447861B (en) * | 2008-12-29 | 2011-10-26 | 中兴通讯股份有限公司 | IEEE 1588 time synchronization system and implementation method thereof |
| CN102843205B (en) * | 2012-09-03 | 2015-08-12 | 杭州华三通信技术有限公司 | The method and apparatus that a kind of time synchronized based on Precision Time Protocol restrains |
| CN102904706B (en) * | 2012-09-26 | 2015-02-25 | 烽火通信科技股份有限公司 | Device and method for synchronizing system frequency in packet transport network |
| CN105024798A (en) * | 2014-04-28 | 2015-11-04 | 中兴通讯股份有限公司 | Method and device for time synchronization |
| CN105703867B (en) * | 2016-01-07 | 2018-05-08 | 烽火通信科技股份有限公司 | Suitable for the rapid deployment system and method for time synchronization network |
-
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1825836A (en) * | 2006-04-04 | 2006-08-30 | 中兴通讯股份有限公司 | System and method for avoiding network apparatus jamming |
| CN101170373A (en) * | 2007-11-27 | 2008-04-30 | 上海自动化仪表股份有限公司 | Clock synchronization realization method for loop network |
| CN102056285A (en) * | 2011-01-18 | 2011-05-11 | 大唐移动通信设备有限公司 | Clock synchronization method, system and equipment |
| CN105024841A (en) * | 2014-04-23 | 2015-11-04 | 中兴通讯股份有限公司 | Clock and time synchronization network synchronization fault processing method and system |
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| MY187645A (en) | 2021-10-07 |
| WO2017118148A1 (en) | 2017-07-13 |
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