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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.

Section 3: Load Balancing and High Availability Basics

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)
  • A
    6% (2)
  • B
    3% (1)
  • C
    89% (32)
  • D
    3% (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.

ALeast 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.

BFastest

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.

CRatioCorrect

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.

DRound Robin

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

Topics

#load balancing methods#ratio#weighted distribution#pool members

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