Layer 4

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In the seven-layer OSI model, it is the transport layer. The transport layer provides end-to-end or host-to-host communication services for applications within a layered architecture.

How to efficiently identify and mitigate external PIM: a webinar featuring ConcealFab, Kaelus and EXFO

Overcoming testing challenges in the Fibre Channel ecosystem

Unleashing the power of 64G Fibre Channel

Fast, effective, ambitious

EXFO equipment helps provide the best network in the Kassel region in Germany

CSP offers premium network services backed by topology-aware transport assurance

Layer 4

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How to efficiently identify and mitigate external PIM: a webinar featuring ConcealFab, Kaelus and EXFO

Overcoming testing challenges in the Fibre Channel ecosystem

Unleashing the power of 64G Fibre Channel

Fast, effective, ambitious

EXFO equipment helps provide the best network in the Kassel region in Germany

CSP offers premium network services backed by topology-aware transport assurance

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Layer 4

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