SD-WAN for Branch Offices: When It Makes Sense and How to Roll It Out

SD-WAN for multi-branch offices in India

Many companies with branch offices in India are stuck between two choices: costly leased lines or MPLS, or cheap broadband with VPNs that break too often. SD-WAN sits in the middle. Each branch gets an appliance that uses several internet or private links at the same time, and the whole network is managed from one central controller. It watches latency, jitter and packet loss, and moves traffic to the better link before users notice a problem.

Signs SD-WAN is worth it

  • You have five or more branches and plan to open more.
  • Much of your work now runs on SaaS and cloud apps.
  • A branch outage directly hurts sales or service.
  • Your IT team spends too much time managing routers and VPNs.
  • You want the same security rules at every location.

If you have only two or three offices with stable links and mostly on-premises apps, you may not need it yet.

Tips for a safe rollout

  • Use links from different providers, so one fault does not take down both.
  • In areas with weak fixed lines, a tested 4G or 5G connection can be an active link, not just a backup.
  • Keep guest Wi-Fi, surveillance cameras, point-of-sale and staff traffic in separate segments.
  • Pilot at two or three different branches, measure the results, then roll out in regional waves.
  • Compare costs over three to five years, not just the price of the boxes.

Read the full SD-WAN planning guide here: SD-WAN for Multi-Branch Offices in India

Published by Affix Center, a Mumbai-based IT services company that helps businesses plan, set up and run their branch networks. See our IT operations services.

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