COVID-19: As a designated essential telecom solutions provider, EXFO remains fully operational with our employees' health and safety as our top priority.

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Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Virtual Private Network (VPN)

One or more wide-area network links over a shared public network, typically over the Internet or an IP backbone from a network service provider (NSP), which simulates the behavior of dedicated WAN links over leased lines. The data traveling between two hosts is encrypted for privacy using both hardware and software solutions.

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