On the Possibility of Consensus in Asynchronous Systems with Finite Average Response Times
Research output: Contribution to conferences › Paper › Contributed › peer-review
Contributors
Abstract
It has long been known that the consensus problem cannot be solved deterministically in completely asynchronous distributed systems, i.e., systems (1) without assumptions on communication delays and relative speed of processes and (2) without access to real-time clocks. In this paper, we define a new asynchronous system model. Instead of assuming reliable channels with finite transmission delays, stubborn channels with a finite average response time was assumed (if neither the sender nor the receiver crashes), and it is assumed that there exists some unknown physical bound on how fast an integer can be incremented. Note that there is no limit on how slow a program can be executed or how fast other statements can be executed. Also, there exists no upper or lower bound on the transmission delay of messages or the relative speed of processes. The are no additional assumptions about clocks, failure detectors, etc. that would aid in solving consensus either. It is shown that consensus can nevertheless be solved deterministically in this asynchronous system model
Details
Original language | English |
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Pages | 271-280 |
Number of pages | 10 |
Publication status | Published - 2005 |
Peer-reviewed | Yes |
Conference
Title | 2005 25th IEEE International Conference on Distributed Computing Systems |
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Abbreviated title | ICDCS 2005 |
Conference number | 25 |
Duration | 6 - 10 June 2005 |
Degree of recognition | International event |
City | Columbus |
Country | United States of America |
External IDs
Scopus | 27944456141 |
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Keywords
Research priority areas of TU Dresden
DFG Classification of Subject Areas according to Review Boards
Keywords
- impossibility, consensus, asynchronous systems, eventually perfect failure detector, time factors, Clocks, Tetectors, Delay effects, Distributed computing, Real time systems, Computer crashes, IEEE news, Synchronization, channel estimation, distributed algorithms, failure analysis, Mobile computing, reliability, consensus possibility, finite average response timies, deterministic solving, distri, stubborn channels