Network Protocol Architecture
Visualization of Data Encapsulation & The OSI Network Reference Model
Select a Layer
Protocol Data Unit:
PDU
Data Encapsulation Stack
Core Functions
Header Metadata
Layer Logic / Working
Detailed Protocol Header Structure
Common Protocols at this Level
Transmission Data Packet
💻
Node A
🌐
Node B
Bitstream Data (Physical Layer)
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Protocol Comparison View
TCP
Connection-Oriented Reliable
UDP
Connectionless Fast
HTTP/3
QUIC-based Modern Web
BGP
Path Vector Routing