PALE: Partially Asynchronous Agile Leader Election Academic Article uri icon


  • Many tasks executed in dynamic distributed systems, such as sensor networks or enterprise environments with bring-your-own-device policy, require central coordination by a leader node. In the past it has been proven that distributed leader election in dynamic environments with constant changes and asynchronous communication is not possible. Thus, state-of-the- art leader election algorithms are not applicable in asynchronous environments with constant network changes. Some algorithms converge only after the network stabilizes (an unrealistic requirement in many dynamic environments). Other algorithms reach consensus in the presence of network changes but require a global clock or some level of communication synchronization. Determining the weakest assumptions, under which leader election is possible, remains an unresolved problem. In this study we present a leader …

publication date

  • January 11, 2018