BlogInfrastructure & networking
SD-WAN for multi-branch organisations
By Vicky Ogola, Senior ICT Consultant 1 min read
SD-WAN manages several internet links centrally and steers traffic by application — useful for organisations with many branches.
Organisations with many branches need reliable, secure connections between sites and to central systems.
What SD-WAN does
Software-defined WAN combines multiple internet links at each branch, encrypts traffic between sites and chooses the best path for each application.
Benefits
- Resilience: traffic shifts automatically when a link fails.
- Performance: priority for voice, video and business systems.
- Central management of all branches.
Consider the basics first
Reliable links, good local networks and clear security policies are prerequisites.
Plan deployment
Standardise branch configurations and roll out in waves.
Security at every branch
SD-WAN appliances often include firewall and filtering features, so each branch enforces the same security policy without separate equipment. Combine this with central logging so incidents at any branch are visible.
Measure before and after
Record application performance and outage minutes before deployment, then compare. Clear results justify further rollout and show where links still need improving.
See our WAN and connectivity services.
About the author
Vicky Ogola
Senior ICT Consultant
Vicky Ogola writes about network design, connectivity, data centres and the infrastructure that business systems depend on.