This presentation discusses the network and communications requirements of AgroXYZ, including network security, bandwidth, wireless connectivity, and internet and PSTN/PBX access. It also explores the networking topologies used, such as LAN, WAN, and WLAN, as well as concepts like Internet, IP Multimedia Subsystem (IMS), Virtual Private Routed Network (VPRN), and Public Switched Telephone Network (PSTN) and PBX. The presentation concludes with a subnet calculation and a summary of AgroXYZ's network design.