Economic issues in tariffication: an overview

An Overview of Group Key Management Issues in IEEE 802.16e Networks

The computer industry has defined the IEEE 802.16 family of standards that will enable mobile devices to access a broadband network as an alternative to digital subscriber line technology. As the mobile devices join and leave a network, security measures must be taken to ensure the safety of the network against unauthorized usage by encryption and group key management. IEEE 802.16e uses Multica...

Women's Health Issues: an Overview

A woman's life expectancy has increased from 48.3 years in 1900 to 79.4 years in 1997 . Today, our challenge is to make those extra years of life healthy and productive . Women represent 51 percent of the total U.S . population ; 59 percent of the over-65 population ; and 71 percent of Americans older than age 85, the fastest growing segment of the population . Women also constitute 46 percent ...

An Overview of Issues in Testing

While intrusion detection systems are becoming ubiquitous defenses in today's networks, currently we have no comprehensive and scientifically rigorous methodology to test the effectiveness of these systems. This paper explores the types of performance measurements that are desired and that have been used in the past. We review many past evaluations that have been designed to assess these metric...

Key issues in infection prevention: an overview.

An overview of anaesthetic issues in phaeochromocytoma.

Recent developments in the anaesthetic management of phaeochromocytoma are reviewed. A brief summary of its pathophysiology and clinical features is also considered. The main anaesthetic issues involved in the assessment and preparation of these patients in light of the current information are then discussed.