"... The world today lives civilizational developments, scientific and technological fundamentals. Each passing day brings its share of novelties. Among the most notable of these changes, the changing systems of production and consumption patterns, the emergence of new information technologies and communication and the rapid development of services will expand globalization, the globalization of markets and the internationalization of players ... "said King Hassan II (former King of Morocco).
Nowadays, the information technology are of paramount importance to society and therefore must be considered a strategic sector contributing largely to the economic and social development.
These technologies can offer services as efficient and diversified, have largely contributed to the economic globalization and internationalization of trade. Thanks to the rapid changes that characterize and constitute a strong and irreversible development, information technologies are the basis for the emergence of a new communication society, whose components are taking place almost daily, causing in their wake of unprecedented change in our perception of time and space, changing our educational systems, our working relationship and to the way we treat and entertain us.
Indeed, the explosion of multimedia, digital sound and image and accelerated deployment of networks by fiber optics and satellites the contours of the society of the third millennium: the information society.
This company will be built around electronic channels commonly called the "information superhighway" that transform the world into a global village. They appear, therefore, as an extension of existing networks, allowing for larger capacities. The prototype and operational example of the "Information Superhighway", according to the Anglo Saxon name, is the global Internet.
Goals and objectives
The purpose of the given work is working out of the project of a multiservice network in the city of Rabat which allows to reach qualities of the Voice traffic with an economic gain.
To achieve our purpose, it is necessary to perform the following steps: analysis of the purpose of research and service definition, the definition of an indicator of traffic and flow calculation, the definition of technology, modeling and optimization
Analysis of object of research and definition of services
As object of designing it is chosen, Rabat-Sale-Tamara citys . City Rabat will be subdivided on four areas: Agdal, Hassan, Yakoube el Manssour (G5) and Youssoufia; city Sale will be subdivided into four area: Bab el marssa, Bettana, Tabriquet, Hssaine and city Tamara will be subdivided into three areas: Tamara, Skhirate, Harhoura.
The area of city area for three cities approximately 257Км2 is divided as follows Rabat: 118 km ², Sale:63 km ² and Tamara:76 km ².
For the traffic analysis in a network we will be defined with type of given services in a network. The network will render following network services:
- VoIP;
- Services of an e-mail (e-mail);
- Services ftp (file transfer);
- Services http (web);
Analysis of object of research and definition of services
Let's define the characteristic of the numerical indicators of the traffic for various categories of subscribers on various services (table.1)
Table 1 - the Indicator of the traffic for various categories of subscribers on various services
тип абонент | IP-phone |
mail |
web |
files |
public |
B Кб/с |
16 |
128 |
512 |
2000 |
С |
10 |
0,25 |
100 |
10 |
Т s |
150 |
20 |
5 |
200 |
state |
B Кб/с |
16 |
128 |
512 |
2000 |
С |
20 |
1 |
50 |
5 |
Т сек |
110 |
30 |
5 |
200 |
Commercial |
B Кб/с |
16 |
128 |
512 |
2000 |
С |
8 |
0,05 |
75 |
5 |
Т сек |
110 |
20 |
5 |
200 |
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