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Timeline for TCP/IP protocol suite

Current License: CC BY-SA 3.0

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Aug 25, 2017 at 11:55 comment added Ron Trunk @Zephyr You're right that in theory, there is no difference between OSI and TCP/IP models -- they're just different models. The principles of layers, abstraction, encapsulation, and decoupling apply equally to both.
Aug 25, 2017 at 7:35 comment added JFL You will find some people that put ARP in layer 2 and other in layer 3, even others calling it a layer 2.5 protocol. It is a protocol that map an IPv4 address to a specific layer 2 protocol - ethernet- and as such it is IMHO better considered as layer 2. If you search for "which layer arp" you will find more hit for layer 2 as opposed to layer 3. This said, this doesn't matter this much.
Aug 25, 2017 at 7:23 comment added Zephyr See this image from the book. ARP is in network layer google.co.in/…:
Aug 25, 2017 at 7:04 comment added JFL Actually on network layer you have 2 protocols: IPv4 and IPv6 ;) Otherwise I agree it is the more likely explanation, but then I cannot understand why the book states it is not possible with the OSI model, since the whole point of separating layers is to allow to replace a protocol by another at any layer, and as such allowing such a mix of protocol.
Aug 25, 2017 at 6:45 comment added wildHoneyPieWalrus I agree with Ron too. OSI is just a model. TCP/IP is found in Android, IOS, Linux, Windows and is widely adopted. ARP is layer 2.
Aug 25, 2017 at 6:33 comment added Zephyr It has other network layer protocols like ARP, RARP etc.
Aug 25, 2017 at 6:31 comment added wildHoneyPieWalrus There's no other network layer protocol except IP on TCP/IP.
Aug 25, 2017 at 4:56 comment added Zephyr Same can be the case with OSI right ? Then what's the difference ?
Aug 25, 2017 at 4:19 history answered wildHoneyPieWalrus CC BY-SA 3.0