A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

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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.

Layer 4

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.