There is a nice feature story in Linux Magazine called "Coping with Traffic" by
Steve Suering.
It describes how to build LVS clusters.
The story starts with a short overview of the LVS architecture.
It covers Features and Benifits.
-high availability
-scalability
-servicablitity
-load balancing
It also covers the routing implementations and different types of load
balancing alogrithms used.
LVS routing
Nat
IP tunnel
Direct Routing
LVS load balancing alogrithms
Round-robin
Weighted Round-Robin
Least-Connections
Weighted Least Connections
Destination Hashing ("director desides which server to use by
looking up the destination IP adderess in a static hash table.")
Soure Hashing ("director decides which server to use by looking
up the source IP address in a static hash table.")
In the end of the artical is a Installation, Configuration and testing section.
The author states that for the installation of the LVS there are only 4 steps:
patch the kernel
install perl module
installing admin. software for the LVS
making the configuration file
-Ted Knab
Breezy Network Solutions
