WAN Protocols

1. SLIP
2. PPP(Point to Point Protocol)

SLIP: SERIAL LINE INTERNET PROTOCOL
It is used on UNIX networks
Outdated protocol (not available now)
Doesn’t support
Data compression
Data encryption
Error checking
Doesn’t support
NETBEUI
IPX/SPX

PPP: POINT TO POINT PROTOCOL
Most popularly used in WAN protocol replaced by SLIP
Supports various protocols
Supports data compression
Data encryption Error checking