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Connectionless vs. Connection-oriented
- CONNECTIONLESS (Internet, IP)
- Subnet inherently unreliable
- Provide only send/receive without guarantees
- Let hosts do the work (at Transport layer)
- CONNECTION ORIENTED (X.25)
- Establish connection
- Negotiate Quality of Service (QoS)
- In-sequence guaranteed delivery
- Let network do the work
Sridhar Iyer
2001-01-08