Class Lab 1 2 - mathewyanez/tech-journal GitHub Wiki

*Token Passing/Token Ring Topology: Obsolete, would only really be used in places reluctant towards change. Computer with token can send messages to all other computers in the ring. Computer typically in middle detects all others, actually sort of star shaped. Does its communication and passes the token to the next computer in the ring, to which that one if it received a packet can respond.

*CSMA/CD, or Carrier Sense Multiple Access with Collision Detection: primarily used in early Ethernet networks, devices would wait until they see an empty channel to start sending messages.

Shape of a packet:

DST ADDR: 6 BYTES | SRC 6 BYTES | Type 2 BYTES | 1500 BYTES Data | Trailer 4 BYTES (FCS)