101 · Question #492
A server is capable of handling more connections than other servers in the same pool. Which load distribution method should the administrator choose?
The correct answer is C. Ratio. Ratio load balancing assigns a configurable numeric weight to each server so that higher-capacity servers receive a proportionally larger share of connections.
Question
A server is capable of handling more connections than other servers in the same pool. Which load distribution method should the administrator choose?
Options
- ALeast Connections
- BFastest
- CRatio
- DRound Robin
How the community answered
(36 responses)- A6% (2)
- B3% (1)
- C89% (32)
- D3% (1)
Why each option
Ratio load balancing assigns a configurable numeric weight to each server so that higher-capacity servers receive a proportionally larger share of connections.
Least Connections routes each new request to the server currently holding the fewest active connections, ignoring each server's overall processing capacity or configured weight.
Fastest routes traffic to the server with the lowest measured response time, which is a dynamic real-time metric and not a static capacity-based assignment.
The Ratio method lets an administrator assign a static weight to each pool member, causing the load balancer to distribute connections in proportion to those weights. A server with a higher ratio value receives more connections than lower-weighted peers, directly matching the need to favor a more capable server without treating all servers equally.
Round Robin distributes connections sequentially and evenly across all pool members regardless of their individual capacity, giving every server an identical share.
Concept tested: Weighted ratio load balancing for unequal server capacity
Source: https://techdocs.f5.com/en-us/bigip-15-1-0/big-ip-local-traffic-manager-implementations/load-balancing-decisions.html
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