201 · Question #19
Which statement accurately describes the difference between two load balancing modes specified as "member" and "node".
The correct answer is D. When the loadb alancing choice references "node", the addresses' parameters are used to make the. Load balancing modes referencing 'node' utilize parameters related to the underlying IP address across all pools it belongs to, whereas 'member' modes consider parameters specific to the individual pool member instance.
Question
Which statement accurately describes the difference between two load balancing modes specified as "member" and "node".
Options
- AThere is no difference; the two terms are referenced for backward compatibility purposes.
- BWhen the loadbalancing choice references "node", priority group activation is unavailable.
- CLoadbalancing options referencing "nodes" are available only when the pool members are defined for
- DWhen the loadb alancing choice references "node", the addresses' parameters are used to make the
How the community answered
(60 responses)- A5% (3)
- B2% (1)
- C2% (1)
- D92% (55)
Why each option
Load balancing modes referencing 'node' utilize parameters related to the underlying IP address across all pools it belongs to, whereas 'member' modes consider parameters specific to the individual pool member instance.
There is a distinct technical difference between 'member' and 'node' load balancing references; they are not merely interchangeable or for backward compatibility.
Priority group activation is a pool-level feature that controls how traffic is distributed among groups of pool members, and its availability is not tied to whether the load balancing choice references 'node' or 'member'.
Load balancing options referencing 'nodes' are not restricted by how pool members are defined; they pertain to the scope of the metrics used for the load balancing decision.
When a load balancing choice references 'node' (e.g., Least Connections (Node)), the system makes the load balancing decision based on metrics associated with the physical server's IP address across all pools it participates in, rather than just the specific pool member's statistics within a single pool.
Concept tested: Node vs. member load balancing methods
Source: https://techdocs.f5.com/en-us/bigip-15-0-0/big-ip-local-traffic-management-basics/least-connections-node.html
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