What is an IP address?

• Logical Address at Network Layer
• Not a physical address (MAC address)
• Network cards can be changed
• Machine itself can be changed
• Analogy with Organizations
  • HEAD, School of IT, IIT Bombay
  • Dr. D.B. Phatak, School of IT, IIT Bombay
• One address per interface (not machine)
• One machine can have many addresses (Cabinet posts!)