Second Workshop on Real, Large Distributed SystemsPreliminary Abstract
Pp. 1318 of the Proceedings
MON: On-Demand Overlays for Distributed System Management
Jin Liang, Steven Ko, Indranil Gupta, and Klara Nahrstedt, University of Illinois at Urbana-Champaign
This paper presents the management overlay network
(MON) system that we are building and running on the
PlanetLab testbed. MON is a distributed system designed
to facilitate the management of large distributed
applications. Toward this goal, MON builds on-demand
overlay structures that allow users to execute instant
management commands, such as query the current status
of the application, or push software updates to all
the nodes. The on-demand approach enables MON to
be light-weight, requiring minimum amount of resources
when no commands are executed. It also frees MON
from complex failure repair mechanisms, since no overlay
structure is maintained for a prolonged time. MON is
currently running on more than 300 nodes on the Planet-
Lab. Our initial experiments on the PlanetLab show that
MON has good performance, both in terms of command
response time and achieved bandwidth for software push.
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