The SNMP evolution: lost on simplicity or on functionality
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abstract
The SNMP framework has gained a new stimulus
with the efficient emergence of the third version
(SNMPv3). Beyond its enrichments, namely the
security model, the enormous base of legacy
knowledge and legacy systems leads the SNMP
management framework to a necessary choice in
nowadays management scenarios.
However, its services correspond roughly to low-level
operations for setting or retrieving network equipment
parameters. Traditionally, high-level management
operations were outside the scope of IETF strategy.
The IETF Distributed Management working group
have been producing normalization documents that
intent to apply to the enrichment of SNMP semantics,
especially in what concerns the processing of
management information. One of such deliverables is
the Expression MIB that, up till now, is in the Internet
draft standard track.
This paper will highlight the recent outcome of this
WG, will present an Expression MIB implementation
and will discuss the cost of these more powerful
solutions on the “keep simple” and “low inference”
principles of SNMP engines.
