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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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Glossary

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.

Transparent LAN Service (TLS)

A service from a carrier linking together remote Ethernet networks. It is called "transparent" because the connected networks are viewed as one contiguous network by the customer, regardless of the deployed technology by the carrier in between.

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