WO2004008689A1 - Verfahren zum betrieb eines kommunikationsnetzes, netzbetriebsführungssystem und steuerungsprogramm für netzbetriebsführungssystem - Google Patents
Verfahren zum betrieb eines kommunikationsnetzes, netzbetriebsführungssystem und steuerungsprogramm für netzbetriebsführungssystem Download PDFInfo
- Publication number
- WO2004008689A1 WO2004008689A1 PCT/DE2003/002276 DE0302276W WO2004008689A1 WO 2004008689 A1 WO2004008689 A1 WO 2004008689A1 DE 0302276 W DE0302276 W DE 0302276W WO 2004008689 A1 WO2004008689 A1 WO 2004008689A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- network
- network management
- management
- monitoring system
- access rights
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/04—Network management architectures or arrangements
- H04L41/044—Network management architectures or arrangements comprising hierarchical management structures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/0816—Configuration setting characterised by the conditions triggering a change of settings the condition being an adaptation, e.g. in response to network events
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/28—Restricting access to network management systems or functions, e.g. using authorisation function to access network configuration
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
- H04L41/0661—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities by reconfiguring faulty entities
-
- 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
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
Definitions
- a hierarchically distributed network management system is known from US Pat. No. 6,105,061, which has a central network management station and a plurality of decentralized network management stations. Attributes of network objects are stored in the central network management station and are monitored by the central network management station.
- a control device of the central network management station is provided for the processing of access requests to network object attributes by the decentralized network management stations. The control device of the central network management station accepts the access requests and transmits the requested network object attributes to the respective decentralized network management station. If the requested network object attributes are not stored in the central network management station, the control device of the central network management station forwards the associated access request to selected decentralized network management stations for processing.
- the hierarchically distributed network management system described in US Pat. No. 6,105,061 essentially only divides network management tasks perceived by configuration management between the central network management station and the decentralized network management stations. Other network management areas, such as error, performance and security management, are not taken into account.
- an efficient division of network management tasks requires the inclusion of essentially all network management areas, not least with a view to being economical for network operators and owners Operation outtasking. Profitability problems can arise in operation outtasking in particular if operation outtasking services for operating communication networks in countries or regions with a lower wage level are obtained from countries or regions with a higher wage level.
- the present invention is therefore based on the object of specifying a method for operating a communication network which enables efficient distribution of network management tasks, a network management system which is suitable for carrying out the method, and a suitable implementation of the method.
- An essential aspect of the present invention is that network operations management tasks that essentially affect all network management areas, such as error, performance, configuration, billing and security management, are structured on the basis of predetermined network operational requirements and can be predetermined according to their structure Network management units are delegated. In this way, it is possible to resolve opposites between a central and a decentralized network management and to combine both approaches on the basis of a cross-network delegation of network management tasks.
- FIG. 1 shows a network management system in a schematic representation
- FIG. 2 shows a representation of network management tasks that are structured according to network operating requirements and that are delegated to predeterminable network management units according to their structure.
- the network management system for a communication network shown schematically in FIG. 1 comprises an access rights management system 101, a configuration system 102, an error monitoring system 104 and a performance monitoring system 105 1 not shown explicitly.
- the charging takes place on the basis of an assignment of network resources used and periods of use to the respective network users.
- the error monitoring system 104 detects, analyzes and eliminates errors in the communication network by observing network resources, while the power monitoring system 105 determines the utilization of network resources and the resulting performance bottlenecks.
- the access rights management system 101 is provided, inter alia, for setting up or changing services.
- the access rights management system 101 accepts messages 121 with service orders and converts them into messages 122 with connection orders, which are transmitted to the configuration system 102. Further tasks of the access rights management system consist in the authentication of network users, in the administration of passwords for network resources or services to be protected, and in the granting of access rights.
- the configuration system 102 is provided for storing information which describes the functional properties and the topological arrangement of network elements relevant for the provision of a service. This information is assigned to the respective service and stored in a network element database 103 assigned to the configuration system 102.
- the network elements relevant for the provision of a service include, for example, network access points, connections and line connections along an end-to-end network path between two service access points.
- Functional properties of network elements include bandwidth, supported communication protocols and switching technologies used.
- the description of the topological arrangement of network elements includes a subdivision of the network elements into node network elements, such as measuring points and switching points, and edge network elements, such as line connections, and preparation as topological information in accordance with a node-edge model.
- the information stored in the network element database 103 is made available to the error monitoring system 104 and the performance monitoring system 105 in a manner that can be called up. Further tasks of the configuration system 102 consist in initializing or terminating network resources and in setting or changing network resource parameters.
- the access rights management system 101 transmits a message to the error monitoring system 104 with an order for monitoring the availability of network elements which are specified as relevant for the provision of the respective service.
- a message 125 with an order for monitoring the quality of service is transmitted to the performance monitoring system 105.
- These monitoring orders cause the error monitoring system 104 and the performance monitoring system 105 to generate error messages 127 and measurement errors recorded in subnetworks 106, 107, 108. values 128, which are forwarded to the fault monitoring system 104 or the power monitoring system 105 via a subnetwork and transmission technology-specific network operating system 109, 110, 111, with the information stored in the network element database 103 to compare for impermissible deviations.
- Corresponding network element database information is queried by the error monitoring system 104 or the power monitoring system 105 and transmitted to the latter as messages 126.
- the error monitoring system 104 or performance monitoring system 105 generates a message 129, 130 about an under-performance of the service, specifying the service concerned.
- the availability and the quality of service are monitored in accordance with a quality of service agreement made between a customer and a network operator. Therefore, only information relating to the network elements specified as relevant by a service level agreement for the provision of a service is stored in the network element database 103. In addition, error messages or measured values are only recorded for the network elements specified as relevant by the service level agreement for the provision of the service.
- a message 123 with an order for monitoring a quality of service agreement is transmitted from the access rights management system 101 to the error monitoring system 104. This means that a recording of error messages or measured values for network elements specified as relevant by the service level agreement for the provision of a service is already initiated by the establishment or change of the corresponding service.
- the power monitoring system 105 transmits an alarm message 129 about a violation of a quality of service criterion to the error monitoring system 104 and converts it there into an alarm message 130 about a violation of a quality of service agreement.
- An error message 127 is converted in the error monitoring system 104 directly into an alarm message about the violation of a quality of service agreement.
- the alarm message 130 contains a statement about the availability of the service or the quality of service and is transmitted to a subnetwork-specific network operating system 109,110,111, which is assigned to the subnetwork 106,107,108 and in which an error or a violation of the quality of service criterion occurs, in order to remedy the underperformance of the service.
- the respective network operating system 109, 110, 111 converts the alarm message 130 into a control command 131, which is transmitted as a message for the elimination of underperformance to a selected control device, not explicitly shown, in the respective subnetwork 106, 107, 108.
- the respective network operating system 109, 110, 111 reconfigures the network element affected by the service underutilization elimination with access to the information stored in the network element database 103. This also applies to the configuration of a network element when a service is set up, changed or deleted.
- the alarm message 130 about a violation of a quality of service agreement is also transmitted to the access rights management system 101. There it is prepared with customer data and converted into a report 132 about compliance with or violation of a service level agreement.
- a distribution of network management tasks performed by the error monitoring system 104, the performance monitoring system 105, the configuration system 102, the accounting system and the access rights management system 101 to central, regional and local network management units is illustrated in the following with reference to FIG. 2.
- the network operations management tasks performed by the above network management areas are structured on the basis of predefined network operating requirements.
- the network operational requirements for operating the error monitoring system 104, the performance monitoring system 105, the configuration system 102, the billing system and the access rights management system 101 comprise the knowledge or suitability of network operations management personnel required. These requirements are discussed in detail below.
- the network operations management tasks are delegated to central 203, regional 202 or local network operations management units 201 according to their structure.
- 'Local' refers to the assignment of a network operations management unit to one or more operation outtasking customers within a country or to a country, while 'regional' refers to a group of countries with comparable framework conditions.
- the technical sales function 211 comprises the following tasks:
- the technical sales function 211 is assigned to local network management units 201. Requirements for network management personnel are
- the network connection function 221 provides the physical connection between network management systems and the communication network to be monitored.
- the physical connection is realized through LAN and WAM connections as well as through network and security functions.
- the network connection function 221 is assigned to regional network management units 202, but can also be assigned to local network management units 201. In the case of one or more alternative network management units, the respective network management tasks can be divided on the basis of cost minimization. Requirements for network management personnel within the network connection 221 function are
- the call answering function 222 is based on receiving end customer calls in the respective national language and, if necessary, on translation tasks into the central network management language unit used.
- the function call acceptance 222 is assigned to regional network management units 202, but can also be assigned to local network management units 201 or the central network management unit 203. Requirements for network management personnel are
- the regional troubleshooting function 224 is responsible for processing events that require detailed knowledge of the communication network to be monitored.
- the regional troubleshooting function also performs 224 help desk tasks.
- the regional troubleshooting function 224 is assigned to regional network management units 202. Requirements for the network operations management staff
- the configuration 223 function comprises complex workflows for initializing or terminating network resources and for setting or changing network resource parameters and is assigned to regional network management units 202. Requirements for network management personnel are
- the regional coordination function 225 comprises the organization of work processes in regional network management unit 202 and at the interface between regional and central network management unit 203.
- the regional coordination function 225 is assigned to regional network operating unit 202 and requires network management personnel
- the alarm monitoring function 231 comprises permanent monitoring of defined network resources. In addition, the alarm monitoring function initiates 231 troubleshooting measures.
- the alarm monitoring function 231 is assigned to the central network management unit 203. Requirements for network management personnel are
- the central troubleshooting function 234 includes processing events that were transmitted by the alarm monitoring function 231 and that do not require communication in the local language.
- the central troubleshooting function 234 is assigned to the central network management unit 203. Requirements for network management personnel are
- the performance monitoring function 233 includes the creation of performance reports for predetermined time intervals and About defined events in the communication network to be monitored.
- the performance monitoring function 233 is assigned to the central network management unit 203. Requirements for network management personnel are
- the call processing function 232 relates to a
- the call processing function 232 is assigned to the central network management unit 203. Requirements for network management personnel are
- the central coordination function 235 comprises an organization of work processes within the central network management unit 203 and at the interface between the central and respective regional network management unit 202.
- the central coordination function 235 is assigned to the central network operating unit 203 and requires the network operating personnel to Knowledge of operation outtasking service portfolio and processes, detailed knowledge of network management systems used in the central network management unit 203, general knowledge of network management systems used in the regional network management units 202, experience in project management.
- the method according to the invention for operating a communication network is preferably implemented by a control program for a network management system which can be loaded into a working memory of a data processing system assigned to the network management system.
- the control program When the control program is executed, the network monitoring tasks performed by the error monitoring system 104, the performance monitoring system 105, the configuration system 102, the billing system and the access rights management system 101 are structured on the basis of predetermined network operating requirements.
- the network operations management tasks are delegated to predeterminable network operations management units according to their structure.
- the network operational requirements include the knowledge or suitability of the network operations management personnel required to operate the error monitoring system 104, the performance monitoring system 105, the configuration system 103, the billing system and the access rights management system 101.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Computer And Data Communications (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03763590A EP1520371A1 (de) | 2002-07-10 | 2003-07-07 | Verfahren zum betrieb eines kommunikationsnetzes, netzbetriebsfürhrungssystem und steuerungsprogramm für netzbetribsführungssystem |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10231147 | 2002-07-10 | ||
DE10231147.1 | 2002-07-10 |
Publications (1)
Publication Number | Publication Date |
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WO2004008689A1 true WO2004008689A1 (de) | 2004-01-22 |
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PCT/DE2003/002276 WO2004008689A1 (de) | 2002-07-10 | 2003-07-07 | Verfahren zum betrieb eines kommunikationsnetzes, netzbetriebsführungssystem und steuerungsprogramm für netzbetriebsführungssystem |
Country Status (2)
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EP (1) | EP1520371A1 (de) |
WO (1) | WO2004008689A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7729286B2 (en) | 2005-10-07 | 2010-06-01 | Amdocs Systems Limited | Method, system and apparatus for telecommunications service management |
US7797425B2 (en) | 2005-12-22 | 2010-09-14 | Amdocs Systems Limited | Method, system and apparatus for communications circuit design |
US8082335B2 (en) | 2005-11-18 | 2011-12-20 | Amdocs Systems Limited | Method and system for telecommunications network planning and management |
US8380833B2 (en) | 2006-02-20 | 2013-02-19 | Amdocs Systems Limited | Method of configuring devices in a telecommunications network |
-
2003
- 2003-07-07 WO PCT/DE2003/002276 patent/WO2004008689A1/de not_active Application Discontinuation
- 2003-07-07 EP EP03763590A patent/EP1520371A1/de not_active Withdrawn
Non-Patent Citations (4)
Title |
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BRENNER M R ET AL: "CYBERCARRIER SERVICE AND NETWORK MANAGEMENT", BELL LABS TECHNOLOGY, BELL LABORATORIES, MURREY HILL, NJ, US, vol. 5, no. 4, 1 October 2000 (2000-10-01), pages 44 - 62, XP001020208, ISSN: 1089-7089 * |
CORNILLE J-M ET AL: "ALCATEL TMN: NEW NETWORK MANAGEMENT SYSTEMS", COMMUTATION ET TRANSMISSION, SOTELEC. PARIS, FR, vol. 13, no. SPECIAL, 1991, pages 63 - 78, XP000241936, ISSN: 0242-1283 * |
GARG V ET AL: "DIRECTION FOR ELEMENT MANAGERS AND NETWORK MANAGERS", IEEE COMMUNICATIONS MAGAZINE, IEEE SERVICE CENTER. PISCATAWAY, N.J, US, vol. 36, no. 10, 1 October 1998 (1998-10-01), pages 132 - 138, XP000785921, ISSN: 0163-6804 * |
HERMANN A ET AL: "PHAMOS - PHILIPS ADVANCED MANAGEMENT AND OPERATIONS SYSTEM - FUNCTIONALITY AND ARCHITECTURE", PHILIPS TELECOMMUNICATION REVIEW, PHILIPS TELECOMMUNICATIE INDUSTRIE N.V. HILVERSUM, NL, vol. 51, no. 1, 1 March 1993 (1993-03-01), pages 30 - 42, XP000426372 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7729286B2 (en) | 2005-10-07 | 2010-06-01 | Amdocs Systems Limited | Method, system and apparatus for telecommunications service management |
US8082335B2 (en) | 2005-11-18 | 2011-12-20 | Amdocs Systems Limited | Method and system for telecommunications network planning and management |
US7797425B2 (en) | 2005-12-22 | 2010-09-14 | Amdocs Systems Limited | Method, system and apparatus for communications circuit design |
US8380833B2 (en) | 2006-02-20 | 2013-02-19 | Amdocs Systems Limited | Method of configuring devices in a telecommunications network |
Also Published As
Publication number | Publication date |
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EP1520371A1 (de) | 2005-04-06 |
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