Internet protocol

Internet protocol (IP) is in the layer internetwork or internet. IP is the key TCP / IP network must rely on internet protocol.

IP protocol has five main functions, namely:
1. Defining a package that became the smallest unit of data transmission on the Internet
2. Transferring data between the Transport layer and network interface layer
3. Defining the Internet addressing scheme or IP address
4. Determining routung package
5. Melaakukan packet fragmentation and re-drafting