This article presents a multilayer mobility management scheme for All-IP networks where local mobility movements (micro-mobility) are handled separately from global movements (macro-mobility). Furthermore, a hybrid scheme is proposed to handle macro-mobility (Mobile IP for non-real-time services and SIP for real-time services). The interworking between micromobility and macro-mobility is implem...

Context is any information that can enhance a computing system’s relevance, timeliness, and usefulness to the user. Recent research has been devoted to the use of context in a mobile environment, particularly in handling the mobility itself. This chapter will start with defining what context is, how it is represented, and present a generalized system architecture. The authors then look at the p...

This paper investigates mobility management strategies from the point of view of their need of signalling and processing resources on the backbone network and load on the air interface. A method is proposed to model the serving network and mobile node mobility in order to be able to compare the different types of mobility management algorithms. To obtain a good description of the network we cal...

Is economics a science or a theology? Nelson sensibly argues that economists are a priestly class; they issue authoritative (scientific) blessings upon the marketplace. The bishops of this class are the mathematicians, who convert ideology into “science”. This essay, in contrast, argues that mathematics has more to do with internal competition between economists than with politics or religion. ...

In draft-kempf-netlmm-nohost-ps, the problems with using global IP mobility management protocols for local mobility and some problems with existing localized mobility management protocols are described. In this document, we explore requirements for localized mobility management in more detail. An extensive gap analysis against the protocols illustrates where existing protocols are able to fulfi...

The purpose of this paper is to focus first on the literature that links leadership to employee wellbeing within the field of organizational behavior, and then turn the attention to a survey on healthcare professionals’ perceptions of the leadership style in three Italian hospitals. The classification of leader behavior is based on the sharing of decision making between leader and follower in t...