4335accessrouter_may07_final 4, Central site remote site, Internet – Quick Eagle Networks 4335 User Manual
Page 3: Remote branch office, Remote site
Application 1: Application traffic prioritization and WAN bandwidth allocation using DiffServ-compliant QoS
The following diagrams show some of the applications with the 4335 Access Router:
2xT1/E1
Central Site
Remote Site
IP Network
(MPLS Enabled)
Remote Site
T1/E1
T1/E1
VoIP Gateway
IP Phones
Corporate servers
(email, database, We
eb)
b)
b
FTP server
Video Co
VoIP Gateway
IP Phones
Video Conference
FTP server
VoIP Gateway
IP Phones
Video Conference
4335 Access Rou
4335 A
WAN Access Platform
VoIP & Video IP Traffic, Expedited Forwarding (EF) class of service, 20% WAN bandwidth
VoIP & Video IP Traffic, Expedited Forwarding (EF) class of service, 20% WAN bandwidth
FTP & SAP Traffic, Assured Forwarding (AF1) class of service AF1, 40% WAN bandwidth
FTP & SAP Traffic, Assured Forwarding (AF1) class of service AF1, 40% WAN bandwidth
Email & Web Traffic, Best Effort (BE) class of service, 20% WAN bandwidth
Email & Web Traffic, Best Effort (BE) class of service, 20% WAN bandwidth
Corporate L
2xT1/E1
Central Site
Remote Site
DSL/Cable Modem
Internet
VPN Gateway
ISP
ISP
Remote Branch Office
DSL/Cable Modem
ISP
Corporate server
(email, database, W
Corporate servers
(email, database, Web)
Remote Site
T1/E1
T1/E
er
DSL/Cable Modem
lient
Client
Application 2: Network access redundancy: Frame Relay service augmented with IP-VPN tunnels