Network planning and design is an iterative process, encompassing topological design, network-synthesis, and network-realization, and is aimed at ensuring that a new telecommunications network or service meets the needs of the subscriber and operator. wikipedia.org

A virtual private network (VPN) is a network that uses primarily public telecommunication infrastructure, such as the Internet, to provide remote offices or traveling users access to a central organizational network. wikipedia.org

Ubiquiti manufactures wireless data communication products for enterprise and wireless broadband providers.

Zabbix is a network management system. It is designed to monitor and track the status of various network services, servers, and other network hardware. wikipedia.org

A firewall is a device or set of devices designed to permit or deny network transmissions based upon a set of rules and is frequently used to protect networks from unauthorized access while permitting legitimate communications to pass. wikipedia.org

pfSense is an open source firewall/router distribution based on FreeBSD. pfSense is meant to be installed on a personal computer and is noted for its reliability and offering features often only found in expensive commercial firewalls. wikipedia.org

Optical fibers are widely used in fiber-optic communications, where they permit transmission over longer distances and at higher bandwidths (data rates) than wire cables.

Linux-based operating system known as MikroTik RouterOS. Installed on the company's proprietary hardware (RouterBOARD), or on standard x86-based computers, it turns the computer into a network router and implements various additional features, such as firewalling, virtual private network (VPN) service and client, bandwidth shaping and quality of service, wireless access point functions and other commonly used features when interconnecting networks. wikipedia.org

Open Shortest Path First (OSPF) is an adaptive routing protocol for Internet Protocol (IP) networks. It uses a link state routing algorithm and falls into the group of interior routing protocols, operating within a single autonomous system (AS). wikipedia.org

A series of integrated circuit boards, marketed under the name RouterBOARD, as well as accessory components which implement a complete hardware operating platform for RouterOS. wikipedia.org

Ingress filtering is a technique used to make sure that incoming packets are actually from the networks that they claim to be from. wikipedia.org