Asymmetric
|
|
Machine resources are not fully utilized.
|
A small service provider with plans to expand in the future
|
Symmetric
|
|
Resource contention on the backup node.
HA requires fully redundant disks.
|
A small corporate deployment that can accept performance penalties in
the event of a single server failure
|
N + 1
|
-
Load distribution
-
Easy expansion
|
Management and configuration complexity.
|
A large service provider who requires distribution with no resource
constraints
|