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As today's network infrastructure continues to grow and Differentiated Services IP backbones are now available to provide various levels of quality of service (QoS) to VPN traffic, the ability to manage increasing network complexity is considered as a crucial factor for QoS enabled VPN solutions. There is growing trend by corporate customers to outsource(More)
This paper describes an architecture for the management of QoS-enabled virtual private networks (VPNs) over the Internet. The architecture focuses on two important issues of VPNs: security and Quality-of-Service (QoS). The security achieved in VPNs is based on IPSec tunnels, while QoS can be supported by mechanisms as proposed by the Differentiated Services(More)
The peer-to-peer (P2P) architecture provides support for the next generation of information sharing applications. A difficult challenge faced by these systems in the presence of non-uniform data distribution and dynamic network conditions is load sharing. This paper addresses the problem of load sharing in P2P networks across heterogeneous super-peers. We(More)
Adoption of compression technology is often required for wireless cardiovascular monitoring, due to the enormous size of electrocardiogram (ECG) signal and limited bandwidth of Internet. However, compressed ECG must be decompressed before performing human identification using present research on ECG based biometric techniques. This additional step of(More)