AGENT OR AGENTLESS? WHAT ARE THE APPROACHES, ADVANTAGES AND CHALLENGES OF DEPLOYING TECHNOLOGIES THAT USE AGENTS VERSUS AGENTLESS ONES? SU KENT RAJPAL SINGH 1E SEPTEMBER 2011ABSTRACT: We discuss the issues around deploying either agent-based or agentless technologies for successful IToperations. Companies need to understand the values of both and the operational ability of each approach. Thedecision reached is usually dependent on the data that needs to be collected, how often it is collected and what youwant to do with the data. Purchasing decisions need to be determined by your data needs and the way your networkis architected.All rights reserved. No part of this document shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic,mechanical, photocopying, recording, or otherwise, without permission from 1E. No patent liability is assumed with respect to the use of theinformation contained herein. Although every precaution has been taken in the preparation of this document, 1E and the author s assume noresponsibility for errors or omissions. Neither is liability assumed for damages resulting from the information contained herein. The 1E name is aregistered trademark of 1E in the UK, US and EC. The 1E logo is a registered trademark of 1E in the UK, EC and under the Madr id protocol.NightWatchman is a registered trademark in the US and EU.