TCP/IP works basically in four layers but sometimes it works in five layers.. WHY?
sdtechi 0 Newbie Poster
Recommended Answers
Jump to PostTCP/IP consists of four layers: link, IP, transport, and application layers. The OSI model consists of 5 layers. So, where is this question coming from? Observation, or just what...?
Jump to Postsrry bout that sdtechi
All 7 Replies
XP78USER 30 Posting Whiz in Training
It provides applications services to users and programs
sdtechi commented: first read and then reply +0
rubberman 1,355 Nearly a Posting Virtuoso Featured Poster
TCP/IP consists of four layers: link, IP, transport, and application layers. The OSI model consists of 5 layers. So, where is this question coming from? Observation, or just what...?
sdtechi 0 Newbie Poster
OSI model 7 layers
Application, presentation, session, transport, network, datalink, physical
Tcp/ip 4 layers
Application, transport, network, datalink
Some of the sytems(like cisco) use 4 layers for tcp/ip but some of them use 5 layers (Application, transport, network, datalink, physical). It totally depends upon the protocol developed by the system.
rubberman you don't have any idea about networking..so just stop replying.
rubberman 1,355 Nearly a Posting Virtuoso Featured Poster
@sdtechi :-) Thanks for the correction. Senior moments, brain farts! You are 100% correct about the 7 layers of the OSI model. But 5 layers are so much simpler! :lol:
And remember that old saw about "standards" - the nice thing is that there are so many!
XP78USER 30 Posting Whiz in Training
srry bout that sdtechi
rubberman commented: A kind criticism works so much better than nasty ones! :-) Thanks for your support. +13
Andrew_22 0 Newbie Poster
Since when OSI is 5 layer model :) TCP/IP is four layer reference model and OSI is 7 layer model.
Reference : http://www.omnisecu.com/tcpip/tcpip-model.php
Reference: http://www.certiology.com/computing/computer-networking/osi-layer-model.html
JorgeM 958 Problem Solver Team Colleague Featured Poster
@sdtechi - regarding your comment about rubberman. First, you come across as being very rude and arrogant. Second, I guarantee you that rubberman has a lot more knowledge about networking that you do and I don't even know him personally.
If you understood that these models are purely conceptual, you wouldn't be asking these questions. The number of layers isn't really that important. The idea behind the models are to illustrate where and how protocols are related to one another in the TCP/IP communication process. The layers also provide a way to organize similar protocols that perform a similar service.
Be a part of the DaniWeb community
We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.