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As the Internet evolves into an all-IP communication infrastructure, a key issue to consider is that of creating and managing IP-based services with efficient resource utilization in a scalable, flexible, and automatic way. In this paper, we present the Autonomic Service Architecture (ASA), a uniform framework for automated management of both Internet(More)
This paper presents a technique for the recovery of time delays associated with components of a signal in a multipath communication channel. Matrix Pencil is used to recover these delays from the channel frequency response. This algorithm has some key advantages over traditional super-resolution techniques such as MUSIC. Most importantly, Matrix Pencil only(More)
With the increasing number of wireless devices, the importance of mobility management in future mobile networks is growing. Traditional mobility management approaches are based on client/server paradigms, and suffer from their well-known shortcomings (single point of failure, congestion, bottlenecks). With the success of P2P for file sharing applications,(More)
This paper discusses and compares different approaches to handle mobility in all-IP networks, at both the application and network layers. First, three key parameters of mobility schemes are quantified: handoff delay, registration/binding cost, and packet delivery cost. Next, these schemes are compared based on criteria such as the need for encapsulation,(More)
As the Internet evolves into an all-IP communication infrastructure, a key issue to consider is that of creating and managing IP-based services with efficient resource utilization in a scalable, flexible, and automatic way. In this paper, we present the Autonomic Service Architecture (ASA), a uniform framework for automated management of both Internet(More)
As the Internet evolves into a global all-service communication infrastructure, a key consideration is providing quality of service guarantees over IP with efficient resource utilization in a scalable, flexible, and automatic way. In this article we present a virtual network (VN) based architecture for scalable IP service deployment and efficient network(More)
With the increasing number of wireless devices, the importance of mobility management in future mobile networks is growing. In addition, the number of access technologies available to those wireless devices is more diversified, leading to further heterogeneity and the need for convergence of mobility management solutions. Furthermore, traditional mobility(More)