CN104283704B - A kind of northbound interface sends the method and device of notification event - Google Patents
A kind of northbound interface sends the method and device of notification event Download PDFInfo
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- CN104283704B CN104283704B CN201310283402.2A CN201310283402A CN104283704B CN 104283704 B CN104283704 B CN 104283704B CN 201310283402 A CN201310283402 A CN 201310283402A CN 104283704 B CN104283704 B CN 104283704B
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Abstract
The invention discloses the method and devices that a kind of northbound interface sends notification event, are related to communication field, and method is the following steps are included: receive the notification event of bottom Element management system EMS;According to the instruction of upper layer network management system NMS, the upper layer Xiang Suoshu NMS sends the notification event;When the notification event sends failure, the notification event received is cached, and cached notification event is sent to the upper layer NMS.The present invention compensates for the defect that the notice that northbound interface occurs under network abnormal situation is lost, and ensure that upper layer network management system normally monitors bottom EMS.
Description
Technical field
The present invention relates to the method and devices that communication field more particularly to a kind of northbound interface send notification event.
Background technique
With the fast development of communications industry, the rapid expansion of network size, the type of communication apparatus, quantity are also fast therewith
Speed increases.Therefore in practical applications, the monitoring of network communication apparatus, maintenance and management are particularly important.
In the telecommunications that International Telecommunication Union (ITU:International Telecommunications Union) defines
It manages in network (TMN:Telecom Management Network), more clearly defines telecommunication management network's framework,
That is network element (NE, Network Element), Element management system (EMS, Element Management System) and network
Management system (NMS, Network Management System).The function that telecommunications management network (tmn) defines has configuration to manage
Reason, fault management, performance management and safety management etc..How Network Management System and Element management system between data are kept
The critical function on basis and northbound interface that real-time and consistency, which are upper layer NMS, effectively manages underlying device it
One.
The realization of northbound interface is based on TCP/IP(Transport Control Protocol/Internet
Protocol, transmission control protocol/Internet protocol) protocol suite, all data communications be all based on object-oriented connection.
But in this complicated network environment, network is easy to appear abnormal or unstable situation, this kind of abnormal and not
Stability is easy to cause northbound interface communication abnormal, during Network Abnormal, it may appear that the case where data notification event is lost,
Prevent upper layer NMS from monitoring bottom EMS effectively in real time.After network recovery is normal, then there is the notice ratio of bottom EMS
The notice of upper layer NMS is more, and here it is data inconsistence problems caused by typical loss of data.
In view of the above problems, the purpose of the present invention is to provide methods and dress that a kind of northbound interface sends notification event
It sets.
Summary of the invention
The purpose of the present invention is to provide the method and devices that a kind of northbound interface sends notification event, can better solve
Communicated in northbound interface software in the prior art it is unstable caused by data are inconsistent, reliability is low, real time monitoring and dynamic tie up
Protect the big problem of difficulty.
According to an aspect of the invention, there is provided a kind of method that northbound interface sends notification event, including following step
It is rapid:
Receive the notification event of bottom Element management system EMS;
According to the instruction of upper layer network management system NMS, the upper layer Xiang Suoshu NMS sends the notification event;
When the notification event sends failure, the notification event received is cached, and send to the upper layer NMS
The notification event cached.
Preferably, the notification event received that caches includes:
Detect the event type of the notification event;
If event type meets caching condition, it is saved into caching library;
If event type is unsatisfactory for caching condition, the notification event is abandoned.
It is preferably, described to cache the notification event received further include:
The timeliness for the notification event being saved in caching library is periodically detected;
If the timeliness of the notification event is effective, continue to cache;
If the timeliness of the notification event is invalid, deleted in warehousing of being postponed.
Preferably, the notification event cached to upper layer NMS transmission includes:
It will generate and correspond to the event loss alarm information for being saved in notification event in caching library;
Alarm information is lost by the event, the upper layer Xiang Suoshu NMS sends cached notification event.
Preferably, the event loses the generation alarm and event loss alarm that alarm information includes event loss alarm
Message alert.
Preferably, described to lose alarm information by the event, the upper layer Xiang Suoshu NMS sends cached notification event
Include:
Periodically send the generation alarm that the event loses alarm;
When the generation alarm that the event loses alarm is sent successfully, the notification event being stored in caching library is sent;
When the notification event in the caching library is sent successfully, the message alert that event loses alarm, Xiang Suoshu are sent
Upper layer NMS sends cached notification event.
According to another aspect of the present invention, a kind of device of northbound interface transmission notification event is provided, comprising:
Notification event module is obtained, for receiving the notification event of bottom Element management system EMS;
Processing notification event module, for the instruction according to upper layer network management system NMS, the upper layer Xiang Suoshu NMS is sent
The notification event;
Caching and transmission notification event module, for when the notification event sends failure, caching to be received described
Notification event, and cached notification event is sent to the upper layer NMS.
Preferably, the caching and transmission notification event module include:
Notification event unit is cached, for caching received notification event;
Notification event unit is sent, for sending upper layer NMS for the notification event of the caching.
Preferably, the caching notification event unit includes:
The notification event is saved in repository for the event type by detecting the notification event by storage unit
In;
Timeliness unit is detected, is periodically detected for the timeliness to the notification event being saved in caching library.
Preferably, the transmission notification event unit includes:
Generation unit corresponds to the event loss alarm information for being saved in notification event in caching library for generating;
Transmission unit, for losing alarm information by the event, the upper layer Xiang Suoshu NMS sends cached notice thing
Part.
Compared with prior art, the beneficial effects of the present invention are:
The present invention compensates for the defect that the notice that northbound interface occurs under network abnormal situation is lost, and ensure that upper layer
NMS normally monitors bottom EMS.
Detailed description of the invention
Fig. 1 is the method flow diagram that a kind of northbound interface provided by the invention sends notification event;
Fig. 2 is the schematic device that a kind of northbound interface provided by the invention sends notification event;
Fig. 3 is the device frame figure that a kind of northbound interface provided in an embodiment of the present invention sends notification event;
Fig. 4 is the sending module flow chart that a kind of northbound interface provided in an embodiment of the present invention sends notification event device;
Fig. 5 is the cache module flow chart that a kind of northbound interface provided in an embodiment of the present invention sends notification event device;
Fig. 6 is the receiving module flow chart that a kind of northbound interface provided in an embodiment of the present invention sends notification event device.
Specific embodiment
Below in conjunction with attached drawing to a preferred embodiment of the present invention will be described in detail, it should be understood that described below is excellent
Select embodiment only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The present invention, according to the instruction of upper layer NMS, reports notification event in northbound interface, if reception cannot be normally sent to
Module then sends and is given to cache module.Cache module starts dual-thread: the timeliness of periodic notice of surveys event;Periodically
Transmission caching library in notification event, and construct new notification event with matching network abnormal conditions.
Fig. 1 shows that a kind of northbound interface provided by the invention sends the method flow diagram of notification event, as shown in Figure 1,
The following steps are included:
Step S101: the notification event of bottom Element management system EMS is received;
Step S102: according to the instruction of upper layer network management system NMS, the upper layer Xiang Suoshu NMS sends the notification event;
Step S103: when the notification event sends failure, caching the notification event that is received, and on described
Layer NMS sends cached notification event.
The notification event received that caches includes: the event type for detecting the notification event;If event class
Type meets caching condition, then is saved into caching library;If event type is unsatisfactory for caching condition, the notice thing is abandoned
Part.
It is described to cache the notification event that is received further include: to the timeliness of the notification event being saved in caching library into
Row periodically detection;If the timeliness of the notification event is effective, continue to cache;If the timeliness of the notification event without
It imitates, is then deleted in warehousing of being postponed.
The notification event cached to upper layer NMS transmission includes: that will generate to be saved in caching corresponding to described
The event of notification event loses alarm information in library;Alarm information is lost by the event, NMS transmission in the upper layer Xiang Suoshu is delayed
The notification event deposited.
It includes that the message that event loses the generation alarm of alarm and event loses alarm is accused that the event, which loses alarm information,
It is alert.
Described to lose alarm information by the event, it includes: week that the upper layer Xiang Suoshu NMS, which sends cached notification event,
The transmission event of phase property loses the generation alarm of alarm;When the generation alarm that the event loses alarm is sent successfully,
Send the notification event being stored in caching library;When the notification event in the caching library is sent successfully, sends event and lose
The message alert of alarm, the upper layer Xiang Suoshu NMS send cached notification event.
Fig. 2 shows that a kind of northbound interface provided by the invention sends the schematic device of notification event, as shown in Fig. 2,
It include: to obtain notification event module 201, for receiving the notification event of bottom Element management system EMS;Processing notification event mould
Block 202, for the instruction according to upper layer network management system NMS, the upper layer Xiang Suoshu NMS sends the notification event;Caching and
Notification event module 203 is sent, for caching the notification event received when the notification event sends failure, and
Cached notification event is sent to the upper layer NMS.
Wherein, the caching and transmission notification event module 203 include: caching notification event unit, are received for caching
The notification event arrived;Notification event unit is sent, for sending upper layer NMS for the notification event of the caching.
Specifically, the caching notification event unit includes: storage unit, for by detecting the notification event
The notification event is saved in repository by event type;Timeliness unit is detected, for the notice being saved in caching library
The timeliness of event is periodically detected.
Specifically, the transmission notification event unit includes: generation unit, it is saved in corresponding to described in for generation slow
The event of notification event loses alarm information in warehousing;Transmission unit, for losing alarm information, Xiang Suoshu by the event
Upper layer NMS sends cached notification event.
Fig. 3 shows that a kind of northbound interface provided in an embodiment of the present invention sends the device frame figure of notification event, such as Fig. 3
It is shown, including sending module 301, cache module 302 and receiving module 303.
Wherein, the sending module 301 is the source that northbound interface sends notification event to upper layer NMS, all notices
All thus place issues.First to bottom EMS network management subscribing notification (such as alarm, object change, heartbeat notice), start to supervise later
The notification event of bottom EMS is listened, the notice for then receiving upper layer NMS is subscribed to, and receives the notification event that bottom EMS is reported, and is sentenced
Whether the notification event of the disconnected bottom EMS received meets the subscription condition of upper layer NMS, according to northbound interface if meeting condition
Specified format converted, then again to receiving module send conversion after notification event, while parse sending module transmission
The result of notification event come determine this module notice send direction.When upper layer, NMS normally receives notification event return exception,
Notification event is sent to cache module;If parsing result is without exception, show that notification event is normally sent to receiving module.
Wherein, the cache module 302 is used for the storage of notification event, and has message optimisation and sending function, herein
Increase notice security mechanism on basis.Firstly, this module receives the tool of detection notice event after the notification event of sending module
Hold in vivo, and determine the subsequent action of this module accordingly.When the notification event detected meets caching condition, then this is notified
Notification event is saved in caching library according to specified format by event;When testing result be unsatisfactory for caching condition, then abandon correspondence
Notification event, and continue to test next notification event.Behind notification event deposit caching library, cache module starts two threads simultaneously
Row processing is the notification event periodically optimized in notification event and periodically transmission caching library respectively.
For periodically optimizing notification event thread task, by check caching library in notification event effective time come
This subsequent action is determined, if the time of detection discovery notification event not in effective time range, deletes corresponding notice thing
Part;If the time of detection discovery notification event within the scope of life span, does not do any operation, at the beginning of continuing back at the thread
Beginning state carries out detection notice event.
For periodically sending notification event thread task in caching library, this module constructs a pair of of event and loses alarm,
The generation that respectively event loses alarm alerts and event loses the disappearance alarm of alarm, and attempts to send event loss alarm
Generation alarm.It is subsequent dynamic to determine that situation is sent by the event notice between periodic detection cache module and receiving module
Make, if the generation alarm that event loses alarm can be successfully transmitted, starts remaining notification event sent in caching library, directly
It is sent to all notification events in caching library, then retransmits the disappearance alarm that event loses alarm;If event is lost
It loses alarm and sends failure, then do not do other operations, return to the original state of thread two.
Wherein, the receiving module 303 is the module that northbound interface event notice is received in the NMS of upper layer, though it is not belonging to north
There is close relationship to interface, but with northbound interface, is the important component in entire upper layer NMS.This module be used for
Sending module subscribing notification receives the notification event that sending module and cache module are sent.First to sending module subscribing notification,
Then notification received situation is parsed periodically to determine subsequent action, if certain time does not receive link detecting and leads to
Know, then disconnect reconnect and monitor notice, conversely, then application layer is sent by the notification event received, by application layer
Carry out respective handling.
Fig. 4 shows that a kind of northbound interface provided in an embodiment of the present invention sends the sending module process of notification event device
Figure, as shown in figure 4, sending module includes the following steps:
Step S401: northbound interface starting initializes therewith.
Step S402: to bottom EMS subscribing notification event, guarantee that northbound interface can normally monitor bottom EMS's with this
Notification event determines subsequent action by parsing the result of subscription movement, if subscribed to successfully, thens follow the steps S403;
If subscribing to failure, S401. is thened follow the steps
Step S403: the notification event that bottom EMS is reported is monitored.
Step S404: the notice for receiving and processing upper layer NMS is subscribed to.
Step S405: the notification event that bottom EMS is reported is received.
Step S406: subsequent movement is determined by parsing the notification event of the S405 received, if notification event report
The condition of text is unsatisfactory for the notice subscription condition of step S402, thens follow the steps S407;If the condition of notification event message is full
The notice subscription condition of sufficient step S402, thens follow the steps S408.
Step S407: the event notice message is abandoned.
Step S408: the notification event for meeting notice subscription condition is formatted, the notification event lattice after conversion
Formula will meet the definition requirement of northbound interface.
Step S409: the notification event after format is converted is sent to receiving module, and parses it and send result to judge
The flow direction of notification event thens follow the steps S411 if notification event is sent successfully;If notification event sends failure, hold
Row step S410.
Step S410: the notification event for sending failure is sent to cache module, after having sent, continues to execute step
S409 attempts to send notice.
Step S411: receiving module is sent to for sending successful notification event.
Fig. 5 shows that a kind of northbound interface provided in an embodiment of the present invention sends the cache module process of notification event device
Figure, as shown in figure 5, cache module includes the following steps:
Step S501: the notification event of failure is sent for receiving sending module.
Step S502: subsequent action is determined by the message of the notification event of parsing failure, if the thing of notification event
Part type is unsatisfactory for caching condition, then will execute step S503;If the event type of notification event meets caching condition, hold
Row step S504.
Step S503: abandoning the notification event for being unsatisfactory for caching condition, meanwhile, continue back at step S501.
Step S504: the notification event for meeting caching condition is stored in caching library according to specified format, meanwhile,
This module opens timeliness detection thread and periodically sends thread.
Step S505: timeliness detects thread.
This step starts to periodically detect the notification event in caching library, by detection caching library notification event when
Effect property determines subsequent action, if the timeliness of notification event is effective, continues to be stored in caching library, and come back to step
S504;If the timeliness of notification event is no longer valid, S506 is thened follow the steps.
Step S506: the no longer valid notification event of the timeliness of notification event is deleted, comes back to step after deletion
The original state of S504 waits the processing in next period.
Step S507: thread is periodically sent.
This step constructs a pair of of event loss alarm first, and (notification event loses the generation alarm of alarm and notification event is lost
Lose the disappearance alarm of alarm), the generation for then periodically sending event loss alarm is alerted to receiving module, and passes through detection
It sends result to determine subsequent action, if sent successfully, thens follow the steps S508, if sending failure, returns to step
S507 waits the processing in next period.
Step S508: the notification event in caching library is sent according to instruction.
Step S509: subsequent movement is determined by alerting whether to be sent in parsing caching library;If caching library
There is also notification events, then follow the steps S508;If caching does not have notification event in library, S510 is thened follow the steps.
Step S510: detecting after not having notification event in caching library, starts the disappearance alarm that transmission event loses alarm
Upper layer NMS is given, has been sent with all events lost during indicating network interruption.
Step S511: receiving module is sent by the notification event cached in library.
Fig. 6 shows that a kind of northbound interface provided in an embodiment of the present invention sends the receiving module process of notification event device
Figure, as shown in fig. 6, receiving module includes the following steps:
Step S601: receiving module is started to initialize.
Step S602: to sending module subscribing notification, and determine that sending module receives and processes receiving module notice and subscribes to
Decision logic, then start execute step S603.
Step S603: it is determined by the communication link state between parsing receiving module and sending module subsequent dynamic
Make, if testing result be link be it is abnormal, then follow the steps S604;If testing result is that link is normal, step is executed
Rapid S605.
Step S604: the link connection between bottom EMS and upper layer NMS is disconnected according to instruction, is re-execute the steps later
The initial work of S601.
Step S605: notification event is begun listening for.
Step S606: being distributed to application layer for the notification event received, does corresponding processing by application layer.
In conclusion the innovation of the invention consists in that: one, increase caching mechanism in the case where communication network exception, makes
All notification events will not be lost because of Network Abnormal, ensure that the consistent of upper and lower data;Two, caching of the present invention
Mechanism is deployed in northbound interface side, can more efficiently be upper layer independent of other networks, computer or middleware
NMS service;Three, cache module of the invention increases a verification scheme (" generation and disappearance that event loses alarm "), side
Just upper layer NMS carries out verification data consistency and carries out combined operation according to Network Abnormal, further improves northbound interface transmission
Reliability and maintainability of notification event function in the case where Network Abnormal;Four, the present invention is the active of northbound interface side
Scheme is reported, relatively abnormal more common passive poll has biggish advantage to monitor the scheme of bottom EMS, can reduce upper layer
The maintenance costs of NMS and daily monitoring investment.
In conclusion the present invention has following technical effect that
The present invention improves northbound interface to the data consistency of upper layer NMS, reduces upper layer NMS active poll bring
Overhead reduces upper layer NMS complexity and maintenance difficulties, at the same also improve northbound interface notice reporting completeness and
The reliability of entire NMS enhances upper layer NMS and monitors in real time to the network equipment.
Although describing the invention in detail above, but the invention is not restricted to this, those skilled in the art of the present technique
It can be carry out various modifications with principle according to the present invention.Therefore, all to be modified according to made by the principle of the invention, all it should be understood as
Fall into protection scope of the present invention.
Claims (10)
1. a kind of method that northbound interface sends notification event, which comprises the following steps:
The notification event of northbound interface reception bottom Element management system EMS;
After northbound interface receives the notification event of EMS, according to the instruction of upper layer network management system NMS, the upper layer Xiang Suoshu NMS hair
Send the notification event;
When the notification event sends failure, northbound interface caches the notification event that is received, and to the upper layer NMS
Send cached notification event.
2. the method according to claim 1, wherein the notification event received that caches includes:
Detect the event type of the notification event;
If event type meets caching condition, it is saved into caching library;
If event type is unsatisfactory for caching condition, the notification event is abandoned.
3. according to the method described in claim 2, it is characterized in that, described cache the notification event received further include:
The timeliness for the notification event being saved in caching library is periodically detected;
If the timeliness of the notification event is effective, continue to cache;
If the timeliness of the notification event is invalid, deleted in warehousing of being postponed.
4. according to the method described in claim 3, it is characterized in that, described send cached notice thing to the upper layer NMS
Part includes:
It will generate and correspond to the event loss alarm information for being saved in notification event in caching library;
Alarm information is lost by the event, the upper layer Xiang Suoshu NMS sends cached notification event.
5. according to the method described in claim 4, it is characterized in that, it includes that event loses alarm that the event, which loses alarm information,
Generation alarm and event lose alarm message alert.
6. according to the method described in claim 5, it is characterized in that, described lose alarm information, Xiang Suoshu by the event
Upper layer NMS sends cached notification event
Periodically send the generation alarm that the event loses alarm;
When the generation alarm that the event loses alarm is sent successfully, the notification event being stored in caching library is sent;
When the notification event in the caching library is sent successfully, the message alert that event loses alarm, the upper layer Xiang Suoshu are sent
NMS sends cached notification event.
7. the device that a kind of northbound interface sends notification event characterized by comprising
Notification event module is obtained, the notification event of bottom Element management system EMS is received for northbound interface;
Processing notification event module, after the notification event that EMS is received for northbound interface, according to upper layer network management system NMS
Instruction, the upper layer Xiang Suoshu NMS sends the notification event;
Caching and transmission notification event module, for when the notification event sends failure, northbound interface caching to be received
The notification event, and cached notification event is sent to the upper layer NMS.
8. device according to claim 7, which is characterized in that the caching and transmission notification event module include:
Notification event unit is cached, for caching received notification event;
Notification event unit is sent, for sending upper layer NMS for the notification event of the caching.
9. device according to claim 8, which is characterized in that the caching notification event unit includes:
The notification event is saved in caching library by storage unit for the event type by detecting the notification event;
Timeliness unit is detected, is periodically detected for the timeliness to the notification event being saved in caching library.
10. device according to claim 9, which is characterized in that the transmission notification event unit includes:
Generation unit corresponds to the event loss alarm information for being saved in notification event in caching library for generating;
Transmission unit, for losing alarm information by the event, the upper layer Xiang Suoshu NMS sends cached notification event.
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