3 ms·
IP is fairly high in the TCP/IP layer stack[1], isn't it? So it shouldn't be too surprising that a transport layer (or link layer? Not quite sure) does not use
by grondilu 9y ago
IP is fairly high in the TCP/IP layer stack[1], isn't it? So it shouldn't be too surprising that a transport layer (or link layer? Not quite sure) does not use it, should it?
1. https://en.wikipedia.org/wiki/Internet_protocol_suite https://en.wikipedia.org/wiki/Internet_protocol_suite
- nsommer 9y agoIP is a network layer protocol, it connects two hosts. TCP is a transport layer protocol, it connects two processes and runs on top of a network layer such as IP. The link layer connects two links (e.g. your computer and your WiFi router), examples are Ethernet or 802.11 (even though they also incorporate management of the physical layer). What the satellites have to deal with is pysical/link level protocol to send packets from one to another (and from and to ground stations) as well as a network level protocol to route traffic inside the SpaceX network.