TCO Calculation
13 Jan 2010
reserve copying, restoration after failure, debugging of programs, installation of drivers of new devices etc.
• Use of office computers and information systems for “works on the party”, for entertainment, games, etc.
• Corruption schemes at purchase of the equipment, completing and account materials, the order of services.
• Idle times in work of information system in whole or its separate parts, connected with:
o insufficient capacity (low availability) or unstable work of components of system;
o reaction expectation from outside IT service;
o planned or off-schedule (emergency) ostanova system or its separate parts.
Usually assume that each user of a corporate network spends not less than 80 working hours in a year (10 working days, 2 calendar weeks) for self-training and on service of the computer.
But practice shows that this figure can be increased safely in one and a half-two time.
Calculation of “indirect” expenses on the IT Infrastructure maintenance – difficult enough thing. That within the limits of technique TCO to consider all points listed above, it is necessary to book universal audit of information system of the enterprise. On what it is necessary to pay attention first of all?
• to book IT Infrastructure audit (the detailed analysis), revealing thus bottlenecks (insufficient reliability, availability or low productivity of those or other components of system, absence of reserve copying, anti-virus protection, corporate systems of protection of the information and so forth)
• to Analyse all failures and the idle times which have happened in a network for the period chosen by you, focusing the attention as on the reasons which have led ostanovu, and on actions on its liquidation. If ostanov was planned (procedural works, upgrade and so forth) -