It stands for Host.
b- handles call setup, call routing, and call termination
Wireless Application Protocol
both are same...
1.application: e-mail application-layer protocol: SMTP [RFC 2821] 2.application: WEB application-layer protocol: HTTP [RFC 2616] 3.application: streaming multimedia application-layer protocol: HTTP (eg Youtobe), RTP [RFC 1889] 4.application:file transfer application-layer protocol: FTP [RFC 959] 5.application: remote terminal access application-layer protocol: Tenet [RFC 854]
WAP (Wireless Application Protocol)
*IPSEC
NTP (Network Time Protocol)
FTP (File Transfer Protocol) is an application layer, or Layer 7, protocol.
tftp
voip
WAP is Wireless Application Protocol