|
Feature listing of
ClusterBalancer and ClusterReplica
|
Features
|
ClusterBalancer |
ClusterReplica
|
Remarks
|
|
Load Balance
|

|
|
The clustered systems must
be
connected with a HUB to apply
Load Balance |
|
Failover/Failback
(3 situations may apply)
- Service/Application failure
- Network Application failure
- Entire server fails
|
(2,3)
|
(1,3)
|
1. The entire system failover will take place when any one of the Data Replication defined service fails.
2. Only Load-Balance-defined
services will carry out network application Failover when the service on either Primary or Secondary
system fails.
3. When the Primary system fails
or is completely
shutdown |
| |
|
One-way
Data Replication
|
|

|
Support open
file backup. Only updated portion of a file is to be replicated on
the Secondary server of both Database and File system files. |
|
Two-way
File Synchronization
|

|
|
The entire file is to be updated when there is a
change in the file of Windows File System on either Primary or
Secondary server. |
|
Firewall
|

|

|
|
| |
|
Network Utilities
|

|

|
|
|
Network Application Scanner
|

|

|
|
|
Port Reference Table
|

|

|
|
|
XLink Easy Backup Utility
|

|

|
|
|
Cluster Messenger
|
|

|
|

Here are some real world examples to show you
how ClusterBalancer and ClusterReplica
can work for you.
Case One:

You are running a web server which services a web site of a hundred html
files in the "inetpub\wwwroot" folder.
When one day your server failed. Both you and people who are trying to
view your site are not happy with the situation.
Click
here for solution
Case Two:

You are running a web server which services a web site of a hundred html
files in the "inetpub\wwwroot" folder to sell auto parts. There is
also a SQL database on the web server for detailed product information.
When one day your server failed. Both you and you internet customers are not
happy with the situation.
Click
here for solution
Case Three:

You are running a web server which services a web site of a hundred html
files in the "inetpub\wwwroot" folder. You also have a separate
system to run the SQL database server.
When one day your web server failed. Now your online customers cannot see
the web site at all.
OR

that your SQL database server is down, that your network Customers cannot
get to see the detailed product information when trying to buy them.
Click
here for solution
|