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This application note explains the need for a test technology that would accurately measure CD and PMD in one instrument and from a single end, such as EXFO’s FTB-5700.

This application note discusses various aspects of jitter and wander—the theory, the causes, the effects they have on networks, and related field testing.

This application note introduces various concepts related to QoS and the testing needs for such mechanisms.

This application note explains how important it is to perform wideband testing to ensure quality of service (QoS) when delivering broadband services.

This paper explores the current state of synchronization standards for the synchronization over packet implementations, as well as the tools and techniques required to assure the successful implementa...

This application note presents EtherSAM or ITU-T Y.1564, the new ITU-T standard for turning up, installing and troubleshooting Ethernet-based services.

This article provides an overview of ROADM-based networks, used to efficiently and cost-effectively transmitting various data types over a common network infrastructure.

This application note provides an overview of the main tests that should be conducted to ensure the optimum performance of P-OTNs.

This paper reviews the challenges brought forth by the advent of 40G transmission and describes the importance of each test, as well as where and how they should be performed.

This application note provides an overview of the various testing challenges that come with 100G networks; it also presents EXFO's solution to meet those challenges.