Electrical computers and digital processing systems: multicomput – Computer network managing
Patent
1998-05-22
2000-06-27
Lim, Krisna
Electrical computers and digital processing systems: multicomput
Computer network managing
709243, 709249, G06F 15173, G06F 1516
Patent
active
060818395
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates generally to data systems whose field of application often comprises changing parts. Such systems include for example management systems for telecommunications networks (i.e. network management systems).
More precisely, the invention relates to a method for implementing a data system providing computer-controlled services and comprising a first part comprising elements representing the real world, and a controlling part controlling the first part, the method comprising the steps of dividing the controlling part of the system into an unchanging part and changing parts which model, within the controlling part, the elements representing the real world and communicate with them to provide the user with services, providing the part of the system representing the real world with elements of several different types and several different practical implementations of at least one type, so that a certain changing part corresponds to one or several practical implementations and communicates with the corresponding one or several practical implementations, implementing a separate element in the controlling part of the system, the unchanging part searching from said separate element the concrete implementation of the changing part that corresponds to the desired implementation of the real world.
BACKGROUND OF THE INVENTION
For example mobile telecommunication networks are developed rapidly and new network elements are installed in the networks of network operators and old network elements are updated to provide new services. Unfortunately international standards are not accurate enough, however, wherefore there are differences in management interfaces of network elements between both different manufacturers and different versions. Especially with the new free competition in the field of telecommunications it is more important for the network operators to rapidly introduce the new services enabled by the network. In order to enable the use of the services, the network management system must first be modified to support the new management interface versions and the network elements of new manufacturers. The implementation of these modifications is at present slow, which delays the introduction of both new services and new types of apparatuses.
A model of a network management system is shown in FIG. 1. Network operators who work in operation centres OC (or OMC=operation and maintenance centre) use network management workstations WS that are connected to a separate workstation network WSN, such as Ethernet. The management system is typically decentralized into several computers of the workstation network, some of the computers comprising a database DB containing the data required for managing the network. The management system is connected via an interface defined in the international standards, for example, to a mobile telecommunication network MN having network elements that are denoted by NE. These network elements could include, for example, a mobile services switching centre MSC, a base station controller BSC, a base station BTS and a mobile station MS. The connection to the network to be managed takes place via a datacommunications network DCN. This kind of datacommunications networks are disclosed e.g. in CCITT Recommendation M.3010, Geneva, 1992, Principles for a Telecommunications Management Network, International Telecommunication Union (ITU), especially pages 1-6, the content of which is incorporated hereinto by reference. Logically, then there are two networks: (a) the network used to provide clients with services (e.g. a mobile network MN) and (b) the network used to maintain the network providing services.
When network operators manage large networks, they often divide the networks into parts that are managed by certain individuals in the local management centre. The network operators also need centralized management centres (e.g. at night one centralized management centre may manage several parts of the network). These local and centralized management centres h
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Copy of International Search Report for PCT/FI96/00634.
International Telecommunication Union, CCITT Recommendation M. 3010, "Principles for a Telecommunications Management Network", p. 1-6.
Gamma, et al., Design Patterns, "Elements of Reusable Object--Oriented Software", p. 87-106.
Rumbaugh, et al., Object Modeling, "Object Oriented Modeling and Design", p. 21-56.
Lim Krisna
Nokia Telecommunications Oy
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