Lecture#13 Network planning: main problems The Bonch-Bruevich Saint-Petersburg State University of Telecommunications Series of lectures Telecommunication networks Instructor: Prof. Nikolay Sokolov, Typical network planning tasks Network planning processes Iterative planning sub-processes (1) Iterative planning sub-processes (2) Three kinds of planning Long-term planning (1) Long-term planning (2) Long-term planning (3) Medium-term planning (1) Medium-term planning (2) Medium-term planning (3) Medium-term planning (4) Medium-term planning (5) Network layer modeling Phases of the planning process Techno-economical solution Technical, business and operational plans Multiclass traffic evaluation Risks (1) Risks (2) Risks (3) Internetwork security domain Domains (1) Domains (2) Security layers (1) Security layers (2) Interoperation structure Network structure: introduction Telecommunications network structure determines significant part of the most important parameters of infocommunication systems. Due to this reason, problems of telecommunications network structure analysis and synthesis constitute self-dependent direction among researches conducted in the interest of all participants of infocommunication market. Certainly, the network structure analysis and synthesis cant be completely separated from other processes of infocommunication system creation and development. Nevertheless, for the study of complex object or process it is necessary to discriminate a number of independent problems in it. The tasks of telecommunications network structure analysis and synthesis are united by the set of final goals, methodological approach, and mathematical apparatus. Final goal of these tasks solving is to build an efficient infocommunication system that will provide execution of specified functions and is able to develop. The word "efficient" indicates the fact that network structure is close to the optimal one. Methodological approach to analysis and synthesis of telecommunications network structure can be considered as integrated problem. Mathematical methods used for solution of such problem are identical. Optimization principles Optimization for stepwise functions Three functions of the switch cost Structure of graph Change of the network structure during the time period Two variants of operating network structure modification Access network modernization Infrastructure costs Note The main part of this lection is based on the ITU Reference Manual Telecom Network Planning for evolving Network Architectures Instructor: Prof. Nikolay Sokolov, Questions? Network planning: main problems