eolas/zk/Application_Layer_of_Internet_Protocol.md

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---
title: Application_Layer_of_Internet_Protocol
2024-09-06 10:00:02 +01:00
tags: [internet, networks]
2024-09-06 08:00:05 +01:00
created: Friday, September 06, 2024
---
# Application Layer of the Internet Protocol
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The final, topmost layer of the Internet Protocol suite.
![Data at the Application Layer](../img/application-layer-data.png)
The Application Layer is where we get to the protocols that describe the
behaviour of applications. All the preceding lower levels are effectively
**plumbing that enables applications to do the things they want accross the
internet**.
Whereas the lower levels facilitate communication accross the internet, the
Application Layer is concerned with achieving a specific task once the ability
to communicate is assured.
Application Layer protocols include HTTP, the Simple Mail Transfer Protocol
(SMTP), and FTP.