User guide

EDA System Services
42 1/1551-HSC 901 35/3 Uen C 2005-12-02
These EDA Service rules or definitions are implemented in the Access
Node as a virtual switch that does the following on each frame:
• Inspection and identification of the service to which the frame belong
• Classification
• Filtering
• Modification
• Forwarding
In the Access Domain aggregation network, the rules are implemented as
VLANs with a specified classification, configured throughout the network.
Figure 32 on page 42 depicts an EDA Service Access example. The lines
between the virtual switches and the Service VLANs illustrate allowed
connections.
Internet
Ethernet
Access Domain
Service
VLAN 1
Service
VLAN 2
Service
VLAN 3
Application
Server
BRAS
Application
Server
Router
Access Node
Virtual
switch
Logical
Access
Channel
(PVC)
ADSL
layer
End-user
End-user
Figure 32 EDA Service Access