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## Self-healing Protocols (Abschluss)

 Titel Englisch Self-healing Protocols (Completion) Tschudin Christian 130121 Projektförderung (Abt. I-III) Fachbereich Informatik Departement Mathematik und Informatik Universität Basel Universität Basel - BS Informatik 01.04.2010 - 31.12.2010 42'155.00
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### Keywords (7)

computer networks, autonomic computing, artificial chemistries, robustness, self-healing systems, robust software, chemical networking protocols

### Lay Summary (Englisch)

Lay summary
The goal of this research project is to develop protocol implementations with inherent self-healing functionality. We wish to obtain intrinsically robust protocol implementations where errors can occur in the "core" protocol implementation as well as in the detection and correction part. The software must be able to detect and replace misbehaving software parts at run time, while continuing to provide the service, although perhaps less efficiently during the transitory repair phase. In todays protocols, these activities are mostly handled manually, where network managers monitor the network for anomalous performance or react on user complaints about service disruptions. Resilient and self-healing protocols would enable safe automated installation of new protocols, protocol upgrade, and run-time customization of protocols to adapt to different network situations. A key element is that we have to use continuously self-rewriting and redundant software. If some elements of the software becomes non-functional, the other working parts will quickly replace them. Our approach uses artificial chemistries where molecules can easily be mapped to data packets in a computer network.
 Direktlink auf Lay Summary Letzte Aktualisierung: 21.02.2013

### Verantw. Gesuchsteller/in und weitere Gesuchstellende

Name Institut
 Tschudin Christian Fachbereich Informatik Departement Mathematik und Informatik Universität Basel

Name Institut

### Verbundene Projekte

Nummer Titel Start Förderungsinstrument
 109563 Self-Healing Protocols 01.07.2007 Projektförderung (Abt. I-III)
 143590 Exploiting Equilibrium Forces for Computer Networks Operations (Extension) 01.10.2012 Projektförderung (Abt. I-III)
 132525 Exploiting Equilibrium Forces for Computer Networks Operations 01.10.2010 Projektförderung (Abt. I-III)

### Abstract

The Self-Healing Protocols'' project, running since July 2007, had as its original goal the hardening of protocol implementations at the code level such that the implementation can absorb and recover from a code deletion attack. We believe that we have achieved a {\em breakthrough} in two ways. First, we have developed a solution based on artificial chemistries where we could convince ourselves that this problem can be solved for real. And second, we managed to translate and generalize these results for the computer networking community and to get a peer review on our approach right away: Our paper submission~\cite{MeTs09a} was accepted for Hotnets09, the novelty track of the prestigious ACM SIGOMM, which this year had an acceptance rate of~20 out of 130~papers. Due to an oversight, we missed the application deadline for extending the Self-Healing Protocol project beyond the initial two years. This application is for funding the final 9 additional months needed to round up'' the results achieved so far and for the editing of the doctrate thesis of Mr Thomas Meyer.