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Özalp Babaoğlu
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Özalp Babaoğlu
Ozalp Babaoglu

Özalp Babaoğlu (born August 10, 1955, in Ankara, Turkey), is a Turkish computer scientist. He is currently professor of computer science at the University of Bologna, Italy. He is also the president of the ELICSIR Foundation, which was established to contribute to the advancement of Italian Computer Science culture, research, and higher education, with the goal of elevating its profile and prestige both nationally and internationally. Babaoğlu received a Ph.D. in 1981 from the University of California at Berkeley. He is the recipient of 1982 Sakrison Memorial Award, 1989 UNIX International Recognition Award and 1993 USENIX Association Lifetime Achievement Award for his contributions to the UNIX system community and to Open Industry Standards. Before moving to Bologna in 1988, Babaoğlu was an associate professor in the Department of Computer Science at Cornell University. He has participated in several European research projects in distributed computing and complex systems. Babaoğlu is an ACM Fellow and has served as a resident fellow of the Institute of Advanced Studies at the University of Bologna and on the editorial boards for ACM Transactions on Computer Systems, ACM Transactions on Autonomous and Adaptive Systems and Springer-Verlag Distributed Computing.

Key Information

Babaoğlu is an avid cyclist and has a son and daughter.

Research Areas

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Babaoğlu is the author of more than 100 peer-reviewed papers in a wide range of research topics, including:

  • Operating Systems[1]
  • Performance Evaluation and Modeling[2]
  • Distributed Computing[3]
  • Byzantine Agreement[4]
  • Parallel Computing on Networks of Workstations[5]
  • Group Communication Systems[6]
  • Peer-to-Peer Systems.[7] Babaoğlu has contributed to peer-to-peer computing through paradigms, algorithms, frameworks (Anthill[8]) and a widely used open source simulation software package (PeerSim)
  • Autonomic Computing and Self-Management[9]
  • Gossip-Based Aggregation[10]
  • Overlay Networks and Topology Management[11]
  • Decentralized Shape Formation[12]
  • Biology and Nature-Inspired Computing.[13] As part of work on the EU-funded BISON Project, Babaoğlu and colleagues have developed a library of “design patterns” for distributed computing that draw inspiration from biological or natural processes.
  • Game-Theoretic Techniques in Peer-to-Peer Systems[14]
  • Cloud Computing[15]
  • High-Performance Computing[16]

BSD Unix

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When Babaoğlu was still a grad student at UC Berkeley, his virtual memory system became a core part of the kernel of Unix/32V, the first 32-bit version of Unix, written for the DEC VAX minicomputer.[17]

During his PhD work at UC Berkeley, Babaoğlu was one of the architects of “BSD Unix” which was a major factor in the rapid growth of the Internet through its built-in TCP/IP stack and has influenced numerous other modern operating systems including FreeBSD, NetBSD, and OpenBSD, SunOS, Mac OS/X and iOS. With Bill Joy, the co-founder of Sun Microsystems, Babaoğlu implemented virtual memory in BSD Unix on hardware lacking page reference bits.[1][18] The Berkeley version of UNIX became the standard in education and research, garnering development support from DARPA, and was notable for introducing virtual memory and inter-networking using TCP/IP. BSD Unix was widely distributed in source form so that others could learn from it and improve it; this style of software distribution has led to the open source movement, of which BSD Unix is now recognized to be one of the earliest examples.

References

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  1. ^ a b Babaoglu, O.; Joy, W. (December 1981). "Converting a Swap-Based System to do Paging in an Architecture Lacking Page-Reference Bits" (PDF). ACM SIGOPS Operating Systems Review. 15 (5): 78–86. doi:10.1145/1067627.806595. hdl:1813/6314. Retrieved February 10, 2022.
  2. ^ Babaoglu, O.; Ferrari, D. (1983). "Two-Level Replacement Decisions in Paging Stores" (PDF). IEEE Transactions on Computers. C-32 (12). IEEE: 1151–1159. doi:10.1109/tc.1983.1676176. S2CID 9451830.
  3. ^ Babaoglu, O.; Bartoli, A.; Dini, G. (1997). "Enriched view synchrony: a programming paradigm for partitionable asynchronous distributed systems" (PDF). IEEE Transactions on Computers. 46 (6): 642–658. doi:10.1109/12.600823. ISSN 0018-9340.
  4. ^ Babaoglu, O.; Drummond, R. (1985). "Streets of Byzantium: Network Architectures for Fast Reliable Broadcasts" (PDF). IEEE Transactions on Software Engineering. SE-11 (6): 546–554. doi:10.1109/tse.1985.232247. ISSN 0098-5589. S2CID 1426166.
  5. ^ Davoli, R.; Giachini, L.-A.; Babaoglu, O.; Amoroso, A.; Alvisi, L. (1996). "Parallel computing in networks of workstations with Paralex" (PDF). IEEE Transactions on Parallel and Distributed Systems. 7 (4): 371–384. doi:10.1109/71.494632. ISSN 1045-9219.
  6. ^ Babaoglu, O.; Davoli, R.; Montresor, A. (2001). "Group communication in partitionable systems: specification and algorithms" (PDF). IEEE Transactions on Software Engineering. 27 (4): 308–336. doi:10.1109/32.917522. ISSN 0098-5589.
  7. ^ Jelasity, Márk; Montresor, Alberto; Babaoglu, Ozalp (2004), "A Modular Paradigm for Building Self-Organizing Peer-to-Peer Applications", Engineering Self-Organising Systems, Lecture Notes in Computer Science, vol. 2977, Berlin, Heidelberg: Springer Berlin Heidelberg, pp. 265–282, doi:10.1007/978-3-540-24701-2_18, ISBN 978-3-540-21201-0, retrieved 2023-08-21
  8. ^ Babaoglu, O.; Meling, H.; Montresor, A. (2002). "Anthill: A framework for the development of agent-based peer-to-peer systems" (PDF). Proceedings 22nd International Conference on Distributed Computing Systems. IEEE Comput. Soc. pp. 15–22. doi:10.1109/icdcs.2002.1022238. ISBN 0-7695-1585-1. S2CID 6042644.
  9. ^ Sîrbu, A.; Babaoglu, O. (2016). "Towards operator-less data centers through data-driven, predictive, proactive autonomics" (PDF). Cluster Computing. 19 (2): 865–878. arXiv:1606.04456. doi:10.1007/s10586-016-0564-y. ISSN 1386-7857. S2CID 254377566.
  10. ^ Jelasity, Márk; Montresor, Alberto; Babaoglu, Ozalp (August 2005). "Gossip-based aggregation in large dynamic networks" (PDF). ACM Transactions on Computer Systems. 23 (3): 219–252. doi:10.1145/1082469.1082470. ISSN 0734-2071. S2CID 2608879.
  11. ^ Jelasity, Márk; Montresor, Alberto; Babaoglu, Ozalp (August 2009). "T-Man: Gossip-based fast overlay topology construction" (PDF). Computer Networks. 53 (13): 2321–2339. doi:10.1016/j.comnet.2009.03.013. ISSN 1389-1286.
  12. ^ Babaoglu, O.; Jelasity, M. (2008). "Self-* properties through gossiping" (PDF). Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 366 (1881): 3747–3757. Bibcode:2008RSPTA.366.3747B. doi:10.1098/rsta.2008.0122. ISSN 1364-503X. PMID 18672459. S2CID 7710850.
  13. ^ Babaoglu; Canright; Deutsch; Caro; Ducatelle; Gambardella; Ganguly; Jelasity; Montemanni; Montresor; Urnes (2006). "Design Patterns from Biology for Distributed Computing" (PDF). ACM Transactions on Autonomous and Adaptive Systems. 1 (1): 26–66. doi:10.1145/1152934.1152937. S2CID 1024220.
  14. ^ Arteconi, Stefano; Hales, David; Babaoglu, Ozalp (2007), "Greedy Cheating Liars and the Fools Who Believe Them", Engineering Self-Organising Systems, Lecture Notes in Computer Science, vol. 4335, Berlin, Heidelberg: Springer Berlin Heidelberg, pp. 161–175, doi:10.1007/978-3-540-69868-5_11, ISBN 978-3-540-69867-8, retrieved 2023-08-21
  15. ^ Babaoglu, O.; Marzolla, M. (2014). "The people's cloud" (PDF). IEEE Spectrum. 51 (10): 50–55. doi:10.1109/MSPEC.2014.6905491. ISSN 0018-9235. S2CID 10784456.
  16. ^ Sîrbu, Alina; Babaoglu, Ozalp (2015), "A Holistic Approach to Log Data Analysis in High-Performance Computing Systems: The Case of IBM Blue Gene/Q", Euro-Par 2015: Parallel Processing Workshops, Lecture Notes in Computer Science, vol. 9523, Cham: Springer International Publishing, pp. 631–643, arXiv:1410.4449, doi:10.1007/978-3-319-27308-2_51, ISBN 978-3-319-27307-5
  17. ^ Proven, Liam (8 Oct 2024). "Switching customers from Linux to BSD because boring is good". theregister.com. Retrieved 25 April 2025.
  18. ^ Marshall Kirk McKusick (1999–2001). Twenty Years of Berkeley Unix : From AT&T-Owned to Freely Redistributable. From the book Open Sources: Voices from the Open Source Revolution. O'Reilly. ISBN 1-56592-582-3. Retrieved February 10, 2022.
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