CN100456707C - System and method for restoring monitor - Google Patents
System and method for restoring monitor Download PDFInfo
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- CN100456707C CN100456707C CNB2006100577989A CN200610057798A CN100456707C CN 100456707 C CN100456707 C CN 100456707C CN B2006100577989 A CNB2006100577989 A CN B2006100577989A CN 200610057798 A CN200610057798 A CN 200610057798A CN 100456707 C CN100456707 C CN 100456707C
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Abstract
The system comprises: net element used for sending the alarming message to the legal supervision center after restarting or switching the net element; legal supervision center used for rearranging the monitored objects according to the alarm message from net element. The method thereof comprises: the network element sends an alarm message to the supervision center; according to the alarm message, the legal supervision center rearranges the monitored object in order to get the communication information of the monitored object. By the invention, after restarting and switching the net element, the supervision information will not be saved in the net element so as to ensure the invisibility and security of the supervision.
Description
Technical field
The present invention relates to a kind of communication technology, relate in particular to a kind of system and method that recovers to monitor.
Background technology
Legal monitoring business is meant in the law allowed band, a kind of telecommunication service that national special sector (as public security department) monitors monitoring objective.Therefore, the network element of all communication networks (as PSTN (public switched telephone network (PSTN)), GSM (gsm), CDMA (code division multiple access access), WCDMA (Wideband Code Division Multiple Access (WCDMA) access) and NGN (next generation network)) must provide function and the interface that monitoring objective is monitored, so that legal Surveillance center monitors monitoring objective.
As shown in Figure 1, legal Surveillance center (LIC) sets the monitor message table of monitoring objective by legal monitor-interface in the network element of communication network, thereby implements the monitor activities to monitoring objective.Particularly, when monitoring objective has communication activity in communication network, the network element of communication network is reported to legal Surveillance center with the incident and the Content of Communication of monitoring objective communication activity by legal monitor-interface, and legal Surveillance center finishes the storage of information and analysis.
In the prior art, after on the network element of legal Surveillance center in communication network some monitoring objectives being deployed to ensure effective monitoring and control of illegal activities, the information of monitoring objective is kept in the internal memory of this network element, thereby makes network element send the communication information of monitoring objective to legal Surveillance center according to the information of the monitoring objective of being preserved in the internal memory.Yet when network element restarted because of factors such as fault, Operation and Maintenance, system upgrades or switches, there were following several schemes in this part monitoring objective information processing:
1, be retained on the hard disk and (also can adopt encrypting storing on hard disk),
2, be retained in the flash memory of network element,
3, do not keep, directly abandon.
Because monitor activities has security properties, this just requires monitoring business to leave no trace at network element, therefore, when employing scheme 1 and scheme 2, can on network element, leave a trace, reduced confidentiality, so scheme 1 and scheme 2 are not accepted by national correlation department at present substantially.Confidentiality in addition, both just monitor message had been adopted cryptographic means, and these ciphered data can copy away very easily, be decrypted, so still can not guarantee by instrument.Moreover the fail safe of these two kinds of methods relies on safe and secret workflow, and artificial factor is too big, is unacceptable in some countries.
When employing scheme 3, though can stop some safety problems that scheme 1 and scheme 2 exist, but because after network element restarts, loss of data, when at this time target to be monitored is communicated by letter on the net, the legal Surveillance center communication information of target to be monitored of just having no idea in time to obtain, thus monitoring can be lost to monitoring objective.
Summary of the invention
The purpose of this invention is to provide a kind of system and method that recovers to monitor, can after network element restarts or switches, can recover monitoring in time monitoring objective.
The invention discloses a kind of system of recovering to monitor, comprising:
Network element, be used for when it restarts or switches, the content that does not keep the monitoring objective information list, and restart or switch the back at it and send alarm information to legal Surveillance center, and list request message according to monitoring objective and return monitoring objective to legal Surveillance center and list response message;
Legal Surveillance center, be used for listing request message to network element transmission monitoring objective according to the alarm information of network element, and judge whether the content that monitoring objective that network element returns lists in the response message is consistent with the monitoring objective content of legal Surveillance center, if it is consistent, then finish this and recover monitor procedure, otherwise, and obtain the communication information of monitoring objective from network element according to the alarm information that network element the sends monitoring objective of deploying to ensure effective monitoring and control of illegal activities again.
Described network element comprises Alarm Unit, is used for sending alarm information to legal Surveillance center after network element restarts or switches.
The invention also discloses a kind of method of recovering to monitor, comprising:
When network element restarts or switches at it, do not keep the content of monitoring objective information list, and after it restarts or switches, send alarm information to legal Surveillance center;
Legal Surveillance center lists request message to network element transmission monitoring objective after receiving described alarm information;
Network element lists request message according to monitoring objective and returns monitoring objective to legal Surveillance center and list response message;
Legal Surveillance center judges whether the content that monitoring objective lists in the response message is consistent with the monitoring objective content of legal Surveillance center, if it is consistent, then finish this and recover monitor procedure, otherwise, and obtain the communication information of monitoring objective from network element according to the alarm information that network element the sends monitoring objective of deploying to ensure effective monitoring and control of illegal activities again.
Described alarm information comprises alarm conditions.
Described alarm conditions be included in network element restart the back or switch finish after.
When alarm conditions for restarting the back or switch finish after, described alarm information according to the network element transmission monitoring objective of deploying to ensure effective monitoring and control of illegal activities again specifically comprises:
Legal Surveillance center sends monitoring objective to network element and sets request message;
Network element is set request message according to monitoring objective and is upgraded the monitoring objective information list;
Network element sends the communication information of monitoring objective according to the monitoring objective information list to closing Surveillance center.
According to the present invention, when network element restart, when switching, the relevant information that in network element, need not keep monitoring objective, thereby the disguise and the fail safe of monitoring have been guaranteed, according to the present invention, after network element restarts or switches, by having reason is that the alarm information that restarts or switch is notified legal Surveillance center, after legal Surveillance center receives alarm information, in time monitoring objective is deployed to ensure effective monitoring and control of illegal activities, thus the very fast monitoring that has recovered monitoring objective.
Description of drawings
Fig. 1 shows the connection diagram of legal Surveillance center and communication network;
It is the schematic diagram of the recovery supervisory control system of example that Fig. 2 shows with the WCDMA communication network;
Fig. 3 shows the flow chart of the recovery monitoring of the embodiment of the invention.
Embodiment
Understand and realization the present invention the existing embodiments of the invention of describing in conjunction with the accompanying drawings for the ease of persons skilled in the art.
Present communication service mainly is divided into two big classes: based on Circuit-switched Circuit Service with based on the packet-type business of packet switching.It is the supervisory control system of example that Fig. 2 shows with the WCDMA network, as shown in Figure 2, described supervisory control system comprises each network element and the legal Surveillance center among the WCDMA, network element among the WCDMA links to each other with legal Surveillance center by legal monitor-interface, so that legal Surveillance center monitors monitoring objective in the WCDMA network.Described network element is used under predetermined condition (as restart, switch back or monitoring objective information dropout at network element) and sends alarm information to legal Surveillance center, so that legal Surveillance center deploys to ensure effective monitoring and control of illegal activities again to the target to be monitored in this network element again.Described legal Surveillance center is used for according to the alarm information of the network element monitoring objective of deploying to ensure effective monitoring and control of illegal activities again, to obtain the communication information of monitoring objective.
Described legal Surveillance center comprises: judging unit is used for determining whether to deploy to ensure effective monitoring and control of illegal activities again monitoring objective according to the alarm information of network element; The unit of deploying to ensure effective monitoring and control of illegal activities is used for result according to the judging unit monitoring objective of deploying to ensure effective monitoring and control of illegal activities.
Described network element comprises Alarm Unit, is used for sending alarm information to legal Surveillance center after network element restarts or switches.
Legal monitor-interface comprises X1 monitor-interface, X2 monitor-interface and X3 monitor-interface.Legal Surveillance center sends the information such as information, Query Information of deploying to ensure effective monitoring and control of illegal activities by the X1 monitor-interface to network element.Network element sends alarm information by the X2 monitor-interface to legal Surveillance center.Legal Surveillance center obtains the communication information of monitoring objective from network element by the X3 monitor-interface.
In the WCDMA system, described network element comprises: MSC (mobile switching centre), HLR (attaching position register), GMSC (gateway MSC), SMSC (exchange of short messages center), GMLC (mobile location centre Chinese gateway), SGSN (Serving GPRS Support Node), GGSN (critical point GPRS Support Node) and AAA (aaa server (AAA server)).
The present invention also provides a kind of method of recovering to monitor.Describe the method for recovery monitoring of the present invention in detail below with reference to Fig. 3.
Step 1, legal Surveillance center utilize monitoring objective to set request message by the X1 monitor-interface and send monitor message to network element, and it is as shown in table 1 that described monitoring objective is set request message.
Table 1
| Information field | Type | Describe |
| Target type | M | |
| Target identification | M | |
| The data output type | C | |
| The X3 address | C |
As shown in table 1, in " type " row, M represents essential option, and C represents option, in the present invention, below M and the implication of C in each table identical with the implication of table 1.In " information field ", described target type represents this monitoring by which kind of type is monitored monitoring objective, and target type comprises cell-phone number, device number and international mobile number sign; Described target identification is represented the content of the target type of this monitoring objective, as; Described data output type comprises life event and Content of communciation, life event or Content of communciation; Described X3 address is the address that the monitor activities content is prepared to receive by legal Surveillance center.After network element receives monitoring objective setting request message, at first set request message and in the internal memory of network element, set the monitoring objective information list according to monitoring objective, network element is issued legal Surveillance center according to the content of monitoring objective information list with the information of monitoring objective then, so that legal Surveillance center is to the monitoring of monitoring objective.Described monitoring objective information list comprises: monitoring objective type, monitoring objective sign, data output type, X3 address.
After network element receives monitoring objective setting request message, also will return monitoring objective to legal Surveillance center and set response message, so that announce the setting result of legal Surveillance center monitoring objective to the result who carries out monitoring objective setting request message.It is as shown in table 2 that described monitoring objective is set response message.
Table 2
| Information field | Type | Describe |
| Target type | M | |
| Target identification | M | |
| Execution result | M | |
| Failure cause | C | Effective during failure |
As shown in table 2, the implication of " target type " and " target identification " is identical with table 1, and execution result comprises success or failure.
Step 3, after network element restarts or switches, network element sends alarm information by the X2 monitor-interface to closing Surveillance center, so that legal Surveillance center knows network element and successfully restart or switch processing and finish, make the legal Surveillance center monitoring objective of on this network element, deploying to ensure effective monitoring and control of illegal activities again.Described alarm information is as shown in table 3.
Table 3
| Information field | Type | Describe |
| Network element ID | M | |
| Alarm code | M | The alarm event corresponding codes |
| Alarm level | M | Alarm level " seriously " |
| The alarm sign | M | |
| Alarm time | M | The time that alarm produces, alarms elimination, event alarm takes place |
| Warning information is described | M | Network element is restarted/is switched |
As shown in table 3, the reason of alarm is known in legal Surveillance center for convenience, utilizes the reason of alarm code with the expression alarm in alarm information, and promptly different alarm code is represented different alarm cause, is that 001 expression monitoring resource is unavailable as alarm code; Alarm code is that 002 expression network element is restarted/switched; Alarm code is that 003 expression network element is congested; Alarm code is the alarm that 099 expression other reasons causes.
After the alarm information of network element transmission is received by the X2 monitor-interface by step 4, legal Surveillance center, send monitoring objective by the X1 monitor-interface to network element and list request message, network element lists request message according to monitoring objective and returns monitoring objective to legal Surveillance center and list response message, so that legal Surveillance center obtains the monitoring objective information list on the network element, then, legal Surveillance center does consistency check with content in the monitoring objective information list and the record that is kept at this locality, if it is consistent, then finish this and recover monitor procedure, otherwise, execution in step 5.
In order to guarantee of the timely monitoring of legal Surveillance center to monitoring objective, legal Surveillance center can be every the scheduled time, as every 1 minute, send monitoring objective to each network element and list request message, so that listing response message, the monitoring objective that returns according to network element recovers monitoring.Like this, when the information of the monitoring objective information list in the network element went out active or mistake, legal Surveillance center just can deploy to ensure effective monitoring and control of illegal activities to monitoring objective in time, so that monitoring objective is monitored.
It is as shown in table 4 that described monitoring objective lists request message.
Table 4
| Information field | Type | Describe |
| Target type | M |
It is as shown in table 5 that described monitoring objective information lists response message.
Table 5
| Information field | Type | Describe |
| Execution result | M | |
| Failure cause | C | Effective during failure |
| The monitoring objective tabulation | C | Effective during success |
| End mark | C | Whether the monitoring objective that lists of indication finishes, and continue represents follow-uply also have monitoring objective to list response message to issue LIC, and end shows and lists end. |
Step 5, when the information inconsistency of the information of monitoring objective in the network element and legal Surveillance center monitoring objective, legal Surveillance center utilizes monitoring objective to set request message by the X1 interface and sends monitor message to network element, so that again to this network element monitoring objective of deploying to ensure effective monitoring and control of illegal activities, make this network element send the communication information of monitoring objective to legal Surveillance center according to the monitoring objective information of deploying to ensure effective monitoring and control of illegal activities.Like this, just recovered monitoring in time to monitoring objective.
According to the present invention, when network element restart, when switching, in network element, need not keep monitor message, thereby the disguise and the fail safe of monitoring have been guaranteed, according to the present invention, after network element restarts, switches, by having reason is that the alarm information that restarts or switch is notified legal Surveillance center, after legal Surveillance center receives alarm information, in time monitoring objective is deployed to ensure effective monitoring and control of illegal activities, thus the very fast monitoring that has recovered monitoring objective.
Though described the present invention by embodiment, those of ordinary skills know, without departing from the spirit and substance in the present invention, just can make the present invention that many distortion and variation are arranged, and scope of the present invention is limited to the appended claims.
Claims (6)
1, a kind of system of recovering to monitor is characterized in that, comprising:
Network element, be used for when it restarts or switches, the content that does not keep the monitoring objective information list, and restart or switch the back at it and send alarm information to legal Surveillance center, and list request message according to monitoring objective and return monitoring objective to legal Surveillance center and list response message;
Legal Surveillance center, be used for listing request message to network element transmission monitoring objective according to the alarm information of network element, and judge whether the content that monitoring objective that network element returns lists in the response message is consistent with the monitoring objective content of legal Surveillance center, if it is consistent, then finish this and recover monitor procedure, otherwise, and obtain the communication information of monitoring objective from network element according to the alarm information that network element the sends monitoring objective of deploying to ensure effective monitoring and control of illegal activities again.
2, the system of recovery monitoring according to claim 1 is characterized in that described network element comprises Alarm Unit, is used for sending alarm information to legal Surveillance center after network element restarts or switches.
3, a kind of method of recovering to monitor is characterized in that, comprising:
When network element restarts or switches at it, do not keep the content of monitoring objective information list, and after it restarts or switches, send alarm information to legal Surveillance center;
Legal Surveillance center lists request message to network element transmission monitoring objective after receiving described alarm information;
Network element lists request message according to monitoring objective and returns monitoring objective to legal Surveillance center and list response message;
Legal Surveillance center judges whether the content that monitoring objective lists in the response message is consistent with the monitoring objective content of legal Surveillance center, if it is consistent, then finish this and recover monitor procedure, otherwise, and obtain the communication information of monitoring objective from network element according to the alarm information that network element the sends monitoring objective of deploying to ensure effective monitoring and control of illegal activities again.
4, the method for recovery monitoring according to claim 3 is characterized in that described alarm information comprises alarm conditions.
5, the method for recovery according to claim 4 monitoring is characterized in that, described alarm conditions be included in network element restart the back or switch finish after.
6, according to the method for claim 4 or 5 described recoveries monitoring, it is characterized in that, when alarm conditions for restarting the back or switch finish after, described alarm information according to the network element transmission monitoring objective of deploying to ensure effective monitoring and control of illegal activities again specifically comprises:
Legal Surveillance center sends monitoring objective to network element and sets request message;
Network element is set request message according to monitoring objective and is upgraded the monitoring objective information list;
Network element sends the communication information of monitoring objective to legal Surveillance center according to the monitoring objective information list.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100577989A CN100456707C (en) | 2006-03-01 | 2006-03-01 | System and method for restoring monitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100577989A CN100456707C (en) | 2006-03-01 | 2006-03-01 | System and method for restoring monitor |
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| CN101030892A CN101030892A (en) | 2007-09-05 |
| CN100456707C true CN100456707C (en) | 2009-01-28 |
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| CN103188714A (en) * | 2011-12-29 | 2013-07-03 | 中兴通讯股份有限公司 | Real-time data acquisition method, acquisition system and acquisition network element |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6697970B1 (en) * | 2000-07-14 | 2004-02-24 | Nortel Networks Limited | Generic fault management method and system |
| CN1612563A (en) * | 2003-10-28 | 2005-05-04 | 华为技术有限公司 | System and method for monitoring and intercepting activity |
| CN1645814A (en) * | 2005-01-19 | 2005-07-27 | 华为技术有限公司 | Monitoring realizing method |
| CN1658584A (en) * | 2005-02-25 | 2005-08-24 | 华为技术有限公司 | Method for implementing listening |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6697970B1 (en) * | 2000-07-14 | 2004-02-24 | Nortel Networks Limited | Generic fault management method and system |
| CN1612563A (en) * | 2003-10-28 | 2005-05-04 | 华为技术有限公司 | System and method for monitoring and intercepting activity |
| CN1645814A (en) * | 2005-01-19 | 2005-07-27 | 华为技术有限公司 | Monitoring realizing method |
| CN1658584A (en) * | 2005-02-25 | 2005-08-24 | 华为技术有限公司 | Method for implementing listening |
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| CN101030892A (en) | 2007-09-05 |
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