Hewlett-Packard Co has unveiled version 3.3 of its OpenView network management environment. The company claims that it offers 31 specific enhancements over the previous release. Network Node Manager improvements include user-definable event categories and event configuration control on a pernode basis. Hewlett-Packard says SNMP Platform system 3.3 solves performance problems when the SNMP configuration file contains many entries, enables users to configure separate SNMP communities for get and set operations, improves performance when managing proxied devices and contains a bunch of new SNMP application programming interfaces. HP OpenView Network Node Manager 3.3, with SNMP Platform costs $15,750. An SNA Node manager starts at $12,750; Node Manager for NetWare is from $7,250; SNMP Platform 3.3 is $7,000 and the SNMP developer kit is from $13,150.