The 50 most significant moments of Internet history. The Internet has revolutionised the way we live, over almost 50 years of development. In this feature, we detail the 50 defining moments we feel are most significant to the Web. Up Next No faking it, Facebook rakes it in.
Inositol trisphosphate or inositol 1,4,5-trisphosphate (also commonly known as triphosphoinositol; abbreviated InsP3 or Ins3P or IP3), together with diacylglycerol (DAG), is a secondary messenger molecule used in signal transduction and lipid signaling in biological cells.
IP is the primary Layer 3 protocol in the Internet suite. In addition to internetwork routing, IP provides error reporting and fragmentation and reassembly of information units called datagrams for transmission over networks with different maximum data unit sizes. IP represents the heart of the Internet Protocol suite.