Load Balancers Flashcards
1
Q
What are the benefits of having a load balancer?
A
Configurable load, TCP Offload, SSL Offload (encryption/decryption), caching (fast response), Prioritisation (QoS), Content switching (application-centric switching).
2
Q
Round robin
A
Each server is selected in turn
3
Q
Weighted round robin
A
Prioritise the server use
4
Q
Dynamic round robin
A
Monitor the server load and distribute to the server with the lowest use.
5
Q
Active load balancing
A
Use any active server at any time
6
Q
Scheduling:
Affinity
A
Use the same server for a particular user or particular application instance
7
Q
Active/Passive load balancers
A
If an active server fails, a passive server takes its place.