Internet & Corporate Intranet Access Vs. Lan To Lan Interconnection - Alcatel Speed Touch Pro User Manual

5 Packet Services
5.3 Internet & Corporate Intranet Access vs.
LAN to LAN Interconnection
Exemplary applications
using ADSL
Internet & corporate
access
LAN to LAN
interconnection
Selecting the packet
service
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This manual highlights the two most prominent applications using
ADSL:
High speed Internet access, or corporate Intranet access
"
Private Wide Area Network (WAN) / Local Area Network (LAN)
"
interconnection
Although the objective (Internet vs. Intranet access) is different, the
networking model/configuration is almost identical.
Traditionally, the user must open a session by dialing into a
remote access server. Prior to accessing the resources, this remote
server will ask for the user's credentials.
The most appropriate
PPPoA to PPTP Relaying (See chapter 7)
"
PPP & IP Routing (See chapter 8).
"
Multiple PCs/workstations on a LAN are interconnected via public,
or private wide area ADSL/ATM networks to devices on remote
LANs.
In the LAN to LAN scenario, users are less concerned about a
session concept. Their networking experience should be as if they
are part of a large and widely dispersed LAN.
The most appropriate
IEEE 802.1D Transparent Bridging (See chapter 6)
"
IP Routing & Classical IP (See chapter 9).
"
In the case of Internet, or corporate access, your ISP , or corporate
network administrator, will usually determine which networking
model to use. In the LAN to LAN scenario you determine the
end to end set up yourself.
Independent of your application, the protocols supported at both
ends of the connection must be mirror images of each other for
successful communication.
configurations are:
configurations are:
3EC 17059 AAAA TCZZA Ed. 02