HP Traffic Director Server Appliances sa7200/sa7220 and 8200/sa8220 - User Guide

C H A P T E R 6HP Traffic Director Server Appliances User Guide
208
e-Commerce Appliance Scenarios
This chapter contains five scenarios that demonstrate the HP e-
Commerce Traffic Director Server Appliance SA8200/SA8220s, the
HP Traffic Director Server Appliance SA7200/7220s operation using
“real world” contexts.
Scenario 1:
Load
Balancing a
Web Site with
Two Servers
and the
SA8220 in
Inline Mode
An Internet Service Provider (ISP) wants to set up a load-balanced,
two server web site named “Acme Web” with the SA8220 operating
in Dual NIC mode (described below). The service is HTTP and the
website's address is 10.1.1.201. The figure below shows an example.
Network Diagram for Scenario 1
The next figure shows the data flow diagram for scenario 1.
Data Flow Diagram for Scenario 1
Client
Switch
Server
Server
sa8220
Internet
Router
Client Broker Server
SYN SYN
S
Y
N
/
A
C
K
S
Y
N
/
A
C
K
ACKACK
Get UR LGet URL
D
a
t
a
D
a
t
a
Client Broker Server
SYN SYN
S
Y
N
/
A
C
K
S
Y
N
/
A
C
K
ACKACK
Get UR LGet URL
D
a
t
a
D
a
t
a