| Subject | English | French |
| commun. | IP packet header | en-tête de paquet IP |
| comp., MS | packet header | en-tête de paquet (In network protocol communications, a specially reserved field of a defined bit length that is attached to the front of a packet for carry and transfer of control information. When the packet arrives at its destination, the field is then detached and discarded as the packet is processed and disassembled in a corresponding reverse order for each protocol layer) |