Main office (Head Office) and Branch Office Networks

A computer network can be too small, connecting two computers back-to-back, a SOHO network, or it can be too large, connecting all devices in a huge enterprise network. In an enterprise network, data originates and travels in different environments like Main Office (Head Office), Remote Locations (Branch Offices, Users working from their home, travelling employees etc.).

Main Office (Head Office): A Main Office (Head Office) is where all the branch offices are reporting to and where the top departmental heads of the enterprise works. Main Office (Head Office) network is where the branch office networks are normally connected to. Normally, it is inside the main office that the most important Enterprise Servers run.

Remote locations include Branch offices, Work from home users and Travelling employees.

Branch offices: Branch offices are normally located in remote geographical locations, connected to the main office by Wide Area Network (WAN). Branch offices normally contain fewer users (employees) than the Main Office (Head Office) and the network resources in Branch Office are limited to the users in Branch Office. Branch offices normally host less important servers.

Work from home users: Home Users are the employee users who work from home. Home users are normally connected to the Main Office (Head Office) / Branch Office using VPN (Virtual Private Network) protected broadband internet.

Travelling Employees: Travelling Employees are usually managers, sales & marketing employees or technical employees who are at a remote location for a business related activity. Travelling Employees are also normally connected to the Main Office (Head Office) / Branch Office using VPN (Virtual Private Network) protected broadband internet.

Main Office Branch Office

When we network multiple physical sites (Example, Main Office and all the Branch Offices) using Wide Area Network (WAN) links, three different topologies are commonly used.

1) Hub-and-Spoke Site-to-site Wide Area Network (WAN) Topology

2) Partial-Mesh Site-to-site Wide Area Network (WAN) Topology

3) Full Mesh Site-to-site Wide Area Network (WAN) Topology


Related Tutorials
Introduction to Computer Networking
Responsibilities of a network engineer
What is a Computer Network?
Why we need computer networks?
Different types devices used to create a computer network
Client Operating Systems and Network Operating Systems (NOS)
Common Network Application Software
Local Area Networks (LAN) and Wide Area Networks (WAN)
Campus Area Networks (CAN) and Metropolitan Area Network (MAN)
Logical Classification of Computer Networks - Peer to Peer Networks and Client/Server Networks
Logical Classification of Computer Networks - Centralized and Distributed Computer Network Models
Internetworks, Internet, Intranet and Extranet
What is a Network Protocol
Difference between Proprietary and Standard Protocols
What are RFCs (Request for Comments)
Organizations which control Internet, Network Protocols and Standards
What is network topology
Difference between physical topology and logical topology
Network Topologies - Bus Topology
Network Topologies - Star Topology
Network Topologies - Mesh, Ring and Hybrid Topologies
Network Topologies - Partial-Mesh Topology
Network Topologies - Full-Mesh Topology
Advantages and disadvantages of full-mesh topology
Network Topologies - Ring Topology
Network Topologies - Dual Ring Topology
Network Topologies - Hybrid Topology
Network Topologies - Tree Topology
Point-to-point Topology and Point-to-multipoint Topology
What are wireless networks? Advantages and disadvantages of wireless networks.
Ad hoc Wireless Topology
Infrastructure Wireless Topology
Wireless Mesh Topology
Network Infrastructure Devices and Icons
Network Infrastructure Devices - What is a Hub?
Network Infrastructure Devices - What are Bridges and Switches?
Network Infrastructure Devices - What is a Router?
Network Infrastructure devices - What is a Firewall
Site-to-Site Network Topologies - Hub and Spoke Toplogy
Site-to-Site Network Topologies - Partial-Mesh Toplogy
Site-to-Site Network Topologies - Full Mesh Topology
What is NIC (Network Interface Card)
Common Network Cable types
Differences between STP and UTP twisted pair cables
Twisted pair cable bandwidth and frequency range
Different types of shields used in STP (shielded twisted pair cable)
TIA/EIA 568A and TIA/EIA-568B standards
Straight-Through and Cross-Over cables
What is Auto-MDIX feature in ethernet switches
Difference between Baseband and Broadband
Network Access Methods - CSMA/CD, CSMA/CA and Token Passing
IEEE (Institute of Electrical and Electronics Engineers)
IEEE 802 Standards
IEEE 802.11 Standards
LAN Technologies - Ethernet
Ethernet Media Standards
100Base-TX Ethernet Media Standard
100Base-FX Ethernet Media Standard
4D-PAM5 encoding in Gigabit Ethernet
1000Base-T Ethernet Media Standard
1000Base-SX Ethernet Media Standard
1000Base-LX Ethernet Media Standard
10GBase-T 10 Gigabit Ethernet Media Standard
10GBase-SR 10 Gigabit Optical Fiber Ethernet Media Standard
Meaning of 10/100/1000 Ethernet
Twisted pair Cable categories for 1 Gigbit and 10 Gigabit networks
Broadband over Power Line (IEEE 1901-2010 standard)
What is Power over Ethernet (PoE)
What is PoE (Power over Ethernet) Switch
LAN Technologies - Token Ring
Advantages and disadvantages of Fiber optic cable
Structure of fiber optic cable (FOC)
Single Mode Fiber Optic Cable (SMF fiber cable)
Multimode Fiber Optic Cable (MMF fiber cable)
Different types of fiber optic cables
Fiber optic transceivers
Fiber optic connectors
LAN Technologies - Fibre Distributed Data Interface (FDDI)