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Integrating Solutions with VPO
Deciding Which Integration Capabilities to Use
Chapter 268
Deciding Which Integration Capabilities to
Use
The different integration capabilities provided by VPO are summarized
in the previous chapter. This chapter discusses the advantages and
disadvantages of different integration capabilities to help you to plan
and design an integration package.
It is important to decide whether the integration capabilities to be used
are available on the management server or on the managed nodes. It is
preferable, whenever possible, to choose integration capabilities on the
managed nodes rather than on the management server. Should you
choose to access the management server directly, you may encounter the
following disadvantages:
❏ Since filtering is done on the management server, any event causes
additional network load which in many cases turns out to be
unnecessary, especially if the event is filtered out and no message is
generated.
❏ Additional load on the management server might cause performance
problems for the server; it is better to take advantage of the
distributed CPU power available on the managed nodes.
❏ The threshold monitoring functions of the agent are not available.
❏ If the management server is unreachable at the time information is
sent, for example, if there is a problem with the network, data may be
lost.
❏ The ability of the agent to perform immediate local automatic actions
is not available.
As a general rule, try to exploit the capabilities available on the managed
nodes in preference to those available only on the management server.
There is no restriction on the number of templates for a particular
message source that can be active at a given time. Templates for each
source (logfiles, SNMP traps, VPO Message API, MPE/iX console, etc)
are evaluated in parallel.