Abstract
Recently, it has been realized that the importance of satisfying service availability is becoming one of the most critical factors for the success of Internet-based services and applications. In this paper, we take an availability-centric view on QoS where the availability is treated as a new controllable QoS parameter and focus on the issues of providing availability guarantees for distributed and replicated multimedia services and contents. We especially tackle the replica placement (RP) problem and study the effects of number and location of replicas on the achieved availability. From a simulation study, we find that (1) the location of replica is a more relevant factor than their number for satisfying the availability QoS requirements for all individual users, and (2) the heuristic methods, in general, cannot give any guarantee for their achieved availability QoS, while they are very efficient for large size graphs.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
