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AIDA-based real-time fault-tolerant broadcast disks

A. Bestavros
Proceedings Real-Time Technology and Applications  
The proliferation of mobile computers and wireless networks requires the design of future distributed real-time applications to recognize and deal with the signi cant asymmetry between downstream and upstream communication capacities, and the signi cant disparity b e t ween server and client storage capacities. Recent research w ork proposed the use of Broadcast Disks as a scalable mechanism to deal with this problem. In this paper, we propose a new broadcast disks protocol, based on our
more » ... based on our Adaptive Information Dispersal Algorithm (AIDA). Our protocol is di erent from previous broadcast disks protocols in that it improves communication timeliness, fault-tolerance, and security, while allowing for a ner control of multiplexing of prioritized data (broadcast frequencies). We start with a general introduction of broadcast disks. Next, we propose broadcast disk organizations that are suitable for real-time applications. Next, we present AIDA and show its fault-tolerance and security properties. We conclude the paper with the description and analysis of AIDA-based broadcast disks organizations that achieve both timeliness and fault-tolerance, while preserving downstream communication capacity.
doi:10.1109/rttas.1996.509522 dblp:conf/rtas/Bestavros96 fatcat:4k2dme5ri5futnn73nt73v6qly