Network infrastructure can be a mix of hardware devices, software applications, and network services, including: Hardware infrastructure typically includes routers, switches, hubs, repeaters, gateways, bridges, and modems. Software infrastructure includes monitoring and management tools and operating systems.
Infrastructure and its System: Infrastructure systems clearly include the “backbone” services, including DHCP servers, DNS servers, Directory Services servers, e-mail servers, database servers, firewalls, DMZs, routers/switches, operating systems, Web servers, and security applications (antivirus, antispyware, IDS/IPS, etc.).
