Connecting and managing networks across multiple office locations with cloud-managed SD-WAN, VPN tunnels, and centralised policies.
Managing networks across multiple office locations presents unique challenges for UK businesses, from maintaining consistent security policies to ensuring reliable site-to-site connectivity. This guide covers the design and implementation of multi-site networking using cloud-managed SD-WAN, site-to-site VPN tunnels, and centralised policy management. It helps you create a cohesive, manageable network that spans all of your business locations.
IT directors and network architects at UK businesses with multiple office locations who need to design and implement reliable, secure inter-site connectivity.
Site-to-site VPN tunnels or SD-WAN are the two most common approaches, encrypting traffic between locations over standard internet connections rather than requiring expensive dedicated circuits. Most UK businesses with 2-5 sites start with VPN tunnels between firewalls before considering SD-WAN once site count or traffic complexity grows.
Site-to-site VPN creates encrypted tunnels between fixed locations using static configuration, while SD-WAN adds intelligent traffic routing across multiple connections, automatically failing over and prioritising business-critical applications. SD-WAN typically costs more but suits businesses with more than a handful of sites or unreliable single-ISP connections.
Centralised, cloud-managed platforms such as Meraki let administrators push consistent firewall rules, VPN configurations, and access policies to every site from one dashboard, rather than configuring each location's hardware individually. This typically reduces both configuration errors and the time needed to roll out policy changes.
A solid plan covers network architecture, VPN or SD-WAN configuration with failover, centralised policy management, WAN optimisation, and monitoring visibility across all locations. This guide walks through each of these areas so growing UK businesses can connect new sites consistently rather than ad hoc.
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