OSI Layer 1-3
Dial-In:
V.90 Modem
SLIP
PPP
- LCP: Link establishment and option negotiation
- PAP (Password authentifizierung) / CHAP (Challange Handshake Authentication) / EAP : Authentication
- NCP: Assignment of IP
xDSL (ADSL, IDSL, VDSL…)
Home Router [PPP-Session Endpoint 1] <=> ADSL-MODEM <=> splitter / filter <=> splitter <=> DSLAM (Digital Subscriber Line Access Multiplexer. Modem Konzentrator) <=> LAC <=> STE <=> LNS (L2TP Network Server)
Protokoll Stack (zwischen Home Router und LAC):
RFC1483
AALS
ATM
ADSL