At the Edge Layer – HA VPN, LAN-to-LAN to Business Partners
Infinite Horizons: Exploring HA VPN and LAN-to-LAN Interactions from a Creative Lens | Case Study
In the ever-evolving landscape of digital connectivity, where data reigns supreme and security is paramount, Virtual Private Networks (VPNs) stand as formidable guardians, ensuring the sanctity of our digital interactions. Among these, the LAN-to-LAN VPN emerges as a beacon of innovation, knitting together the scattered threads of offices and third-party business partners across vast geographical expanses. Imagine a web of secure tunnels crisscrossing the digital realm, connecting entities in a symphony of encrypted data and unparalleled integrity.
At the heart of this marvel lies a simple yet profound concept: the ability of offices and diverse business entities, sprinkled across the globe like stars in the night sky, to forge secure connections over the boundless expanse of the Internet. Why do businesses turn to this solution in their quest for secure and seamless communication? The answer is as compelling as the technology itself—flexibility and cost-effectiveness. It’s a digital alchemy where security meets practicality, giving rise to a transformative solution that empowers businesses to spread their wings without compromising the safety of their data.
In the following chapters, we delve into the depths of LAN-to-LAN VPNs, unravelling their mysteries, exploring their capabilities, and understanding how they have become the backbone of modern enterprises. Buckle up as we embark on a journey through the realms of secure networking, where innovation meets practicality and where the digital horizons are limitless. Welcome to the fascinating world of LAN-to-LAN VPNs—an odyssey where security knows no bounds and connectivity knows no borders.
Client
Environment
Objective
We were selected to design and deploy a High-Availability (HA) VPN solution for 180 satellite offices and 3rd Party Clients. The main goal was to deliver a cost-effective, reliable, secure and scalable VPN solution to fulfil business requirements.
What was done
After closely reviewing all the requirements, we have provided an initial design, which the client has accepted for implementation. In detail, we based the whole project on VPN (IPSec Tunnel) with Reverse Route Injection into a routing protocol. Therefore, we could advertise all the routes dynamically to new vendors.
NAT’ing had to be deployed to avoid conflicting network ranges with 3rd Party Suppliers and also a necessity to advertise different environments. Unencrypted traffic has been subjected to strict filtering via Edge Firewalls before it was allowed to the Network. High Availability connections could be terminated at either of the two sites, with HSRP providing resilient failover. Before handing over the environment to operations, we have satisfied functional and non-functional criteria. We achieved this by rigorous certification and testing. We have worked closely with local technical team members with the end client to assist with project reporting, issues tracking and resolution. The whole design is very scalable, which allows the in-house IT department to add new sites or 3rd Party Suppliers without compromising any of its security.
Achievement
The company has saved substantial money by not implementing private circuits or 180x MPLS points. The client is delighted that the solution is highly scalable, and it has already extended this service to new business partners. Overall, the whole project has been very successful for our client, and they are using this solution to this day.
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