Internet Protocol (IP)

• is the principal network protocol in the network layer,routed protocol suite for relaying datagrams across network boundaries

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Internet Protocol Security (IPSec)

• is a network layer, routed protocol is implemented between IP and TCP
• this suite that authenticates and encrypts the packets of data sent over a network
• includes protocols for establishing mutual authentication between agents at the beginning of the session and negotiation of cryptographic keys to use during the session

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AppleTalk

Apple stuff

Internetwork Packet Exchange (IPX)

deprecated