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Application
Transport
Network
Link
Physical
Software  Socket
Socket  Socket
Host  Host
Node  Node
Node  Signals
Application
Transport
Network
Link
Physical
Messages
Segments
Datagrams
Frames
Signals
Application
Transport
Network
Link
Physical
Software  SocketApplication
Applications send messages
to each other
Socket  SocketTransport
Sockets send segments
Host  HostNetwork
Networks
communicate
via datagrams
Node  NodeLink
Switches/routers communicate
with frames
Node  SignalsPhysical
10100101010101010100
10101010110111010110
10100101110101011101
00101110110011101010
10101011000101...
Each layer in the 5-layer TCP/IP Internet Model
offers different services , has different protocols
running on top of it r...
Process-process communication
Logical communication, segment level error
detection/correction, guaranteed delivery
Host-ho...
DHCP, DNS, RIP, HTTP, FTP, SMTP
TCP, UDP, ICMP*, TLS/SSL
IP, ICMP*, ARP*, IPSec
ARP*, MAC (Ethernet, DSL, DOCSIS)
RZ, NRZ-...
Process ID
Port Number
IP Address
MAC Address
-
Application
Transport
Network
Link
Physical
Application
Transport
Network
Data Link
Physical
Application
5-Layer TCP/IP Internet Model for the Layman
5-Layer TCP/IP Internet Model for the Layman
5-Layer TCP/IP Internet Model for the Layman
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5-Layer TCP/IP Internet Model for the Layman

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Summary/high level description of the 5-layer TCP/IP internet model providing an overview of the Application, Transport, Network, Link and Physical layers.

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5-Layer TCP/IP Internet Model for the Layman

  1. 1. Application Transport Network Link Physical
  2. 2. Software  Socket Socket  Socket Host  Host Node  Node Node  Signals Application Transport Network Link Physical
  3. 3. Messages Segments Datagrams Frames Signals Application Transport Network Link Physical
  4. 4. Software  SocketApplication Applications send messages to each other
  5. 5. Socket  SocketTransport Sockets send segments
  6. 6. Host  HostNetwork Networks communicate via datagrams
  7. 7. Node  NodeLink Switches/routers communicate with frames
  8. 8. Node  SignalsPhysical 10100101010101010100 10101010110111010110 10100101110101011101 00101110110011101010 10101011000101101011 01001010100101001011 01010101010111001010 Modulation/Demodulation : MoDem Switches/routers change ‘1’s and ‘0’s into electromagnetic waves
  9. 9. Each layer in the 5-layer TCP/IP Internet Model offers different services , has different protocols running on top of it resulting in different message structures, and has different modes of addressing.
  10. 10. Process-process communication Logical communication, segment level error detection/correction, guaranteed delivery Host-host communication, data fragmentation, forwarding/routing, best effort delivery Node-node communication, bit-level error detection/correction, best effort delivery Bit-level data delivery, best effort delivery Application Transport Network Link Physical
  11. 11. DHCP, DNS, RIP, HTTP, FTP, SMTP TCP, UDP, ICMP*, TLS/SSL IP, ICMP*, ARP*, IPSec ARP*, MAC (Ethernet, DSL, DOCSIS) RZ, NRZ-I/L, Manchester, Differential Manchester, ASK, FSK, PSK, QPSK Application Transport Network Link Physical * - denotes protocols which span two layers
  12. 12. Process ID Port Number IP Address MAC Address - Application Transport Network Link Physical
  13. 13. Application Transport Network Data Link Physical Application
  • zephinzer

    May. 3, 2014

Summary/high level description of the 5-layer TCP/IP internet model providing an overview of the Application, Transport, Network, Link and Physical layers.

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