User guide

Contents
1/1551-HSC 901 35/3 Uen C 2005-12-02
v
8.3
Multimedia Services 76
8.3.1
Quality 77
8.3.2
Security 77
8.4
Telephony Deployment in EDA 78
8.5
Broadcast Handling 78
8.6
Multicast Handling 79
9
Security 81
9.1
EDA Security Issues 81
9.2
PPP, VLAN and Forced Forwarding 82
9.2.1
PPP (Point to Point Protocol) 82
9.2.2
VLAN Technique 83
9.2.3
Forced Forwarding 85
9.3
DHCP Relay Agent Information Option 86
9.4
IP DSLAM Security Mechanisms 88
9.4.1
Filtering 88
9.4.2
Layer-2 Separation 89
9.5
Encryption and Tunneling 91
9.6
Other Security Measures 92
9.6.1
Management Security Policies 92
9.6.2
Network Monitoring and Intrusion Detection 92
10
EDA System Design 93
10.1
System Design Approach 93
10.2
Determining the EDA System Functions 94
10.2.1
Designing the Actual EDA System 95
10.3
EDA Scenario Examples 96
10.3.1
No Service Selection 96
10.3.2
Service Selection Using a BRAS 97
10.3.3
Service Selection Using VLAN 99
10.3.4
Service Selection by Using Domain Subnets 101
10.3.5
Service Selection using LAN-to-LAN Transparency 101
10.4
Dimensioning the Network 103