Self-organizing publish/subscribe
Michael A. Jaeger · 2005
The increasing availability of broadband Internet access coming along with cheap flatrate tariffs changed the way the Internet is used over the last years. As a result, we observe more users that become producers and collaborate instead of solely consuming information as they did before. Besides that, the Internet has become a tool for daily use and information dissemination. As push-based information services are heavily needed for collaboration and information dissemination, it seems like the breakthrough of distributed push publish/subscribe on the open Internet is just imminent today, although research has been around already for many years now. One reason why most publish/subscribe applications are still based on a rather basic centralized mechanism and not on a distributed scalable notification service, as it is commonly proposed in state-of-the-art publish/subscribe systems in research, is the unsolved management issue. This extended research abstracts is intended to give an overview of my Ph.D. project on self-organizing publish/subscribe, where I want to tackle management issues for better applicability. After giving an introduction to the pub/sub communication paradigm and motivating the necessity to make such systems self-organizing, I will point out the contributions of my work. They are centered around making publish/subscribe systems self-stabilizing and adaptive by means of self-organizing mechanisms. While my work on self-stabilization is nearly finished, introducing adaptivity by self-organization is still in an early stage.