Project assignment. Analysis of business objectives and constraints. Analysis of the technical objectives and possible compromises. Characterization of the existing network infrastructure. Characterization of network traffic. Network topologies and design (circuit switched, packets and messages). LAN networks and technologies. WAN networks and technologies. MAN networks and technologies. Network topology and design: requirements and constraints, techniques, hierarchical structure. Structure of the MAN networks. Technologies for transfer. Designing MAN switched networks (requirements, structure, design, optimization). Designing routed MAN networks (requirements, structure, design, routing protocols, optimization). The transition from LAN to MAN infrastructure. The role of Ethernet. Metro Ethernet solutions. Services in the MAN network – EoMPLS in implementing solutions. The future of MAN networks – 100Gigabit Metro Ethernet based on optical infrastructure. The concept of wireless transmission. Standards and development. Devices and antennas. Designing wireless infrastructure based on given parameters. Site survey. “Mobile access router” solution. The protection of wireless networks. VoIP in a wireless environment – requirements and concept. WiMax standard. Operating mode. Integration with Wi-Fi standards. Implementation in MAN environment. Requirements and problems of transmission. Designing WiMax infrastructure and integration into existing network infrastructure. Access to Internet resources, infrastructure optimization.