Field network testing
Lab and manufacturing testing
Adaptive service assurance platform
Academic and research institutions
Adaptive service assurance solutions
Cable MSOs (multiple system operators)
Communications service providers
Network equipment manufacturers
Webscale companies and data centers
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.
Return to glossary
A network device that allows wavelengths to be added or dropped from a signal as other wavelengths are passed through the network.
Get the latest network test, monitoring and analytics news!