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network-layer
consists-of
- Application Layer [ part ]
- Data Link Layer [ part ]
- Physical Layer [ part ]
- Presentation Layer [ part ]
- Session Layer [ part ]
- Transport Layer [ part ]
- OSI Model, Open System Interconnection [ whole ]
encapsulates:
- Packet [ container ]
- data [ content ]
is above:
- Data Link Layer [ lower ]
- Transport Layer [ upper ]
function:
- Encapsulation [ function ]
OSI Layer
- Network Layer
- Data Link Layer
- Application Layer
- Presentation Layer
- Session Layer
- Transport Layer
- Physical Layer
Types:
protocols
IP, Apple Talk, IPX, ICMP, IGMP, ARP, RIP, OSPF,......
Comment:
routing packets through networks, routers
Comment:
logical addressing of packets
Comment:
packet-switching, best-effort-delivery
definition
sending data across multiple links within packets