Application Layer

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Application Layer / Transport Layer
Application Layer / Transport Layer

The application layer is where network applications and their application-layer protocols reside. The internet's application layer contains many protocols, such as the HTTP protocol (which provides for Web document request and transfer), SMTP (which provides for the transfer

Tags application layer, transport layer, network application
1045
Application Layer
Application Layer

Network applications are the raisons d’ ętre of a computer network - if we couldn't think of any useful applications, there wouldn't be any need to design networking protocols to support them. Over the past 40 years, various ingenious and wonderful network applications have

Tags application layer, networking protocol, killer applications
2706
Processes Communicating
Processes Communicating

Before building your network application, you also need a basic understanding of how the programs, running in various end systems, communicate with each other. In the terminology of operating systems, it is not in fact programs but processes that communicate. A process

Tags network application, end systems, computer network, application layer
1251
Overview of the Transport Layer in the Internet
Overview of the Transport Layer in the Internet

Recollect that the internet, and more commonly a TCP/IP network, makes available two distinct transport-layer protocols to the application layer. One of these protocols is UDP (User Datagram Protocol), which provides an unreliable, connectionless service to the invoking

Tags application layer, udp, tcp, network application, sockets, datagram, packets, segments
1820
Principles of Reliable Data Transfer
Principles of Reliable Data Transfer

In this section, we look at the problem of reliable data transfer in a general context. This is appropriate since the problem of implementing reliable data transfer takes place not only at the transport layer, but also at the link layer and the application layer as well. The common

Tags data transfer, transport layer, link layer, application layer, unidirectional data transfer
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