57
Lightly
Lightly
Loaded
Loaded
Application
Client
Client
Application
Server
Server
VIA enabled
NIC
Client
Client
WebSwitch &
Distributor
2. Backend
Forwarding
1.Send a
Request
Highly
Highly
Loaded
Loaded
3.Reply
Application
Application
Server
Client
Client
Server
VIA enabled
NIC
Fig. 4.3. An Application Server Tier with the Backend Forwarding Scheme