LISA 2002 - Technical Program Abstract
RTG: A Scalable SNMP Statistics Architecture for Service Providers
Robert Beverly - MIT Laboratory for Computer Science[Note 1]
Pp. 167-174 of the Proceedings of LISA '02:
Sixteenth Systems Administration Conference,
USENIX Association, 2002).
SNMP is the standard protocol used to manage IP networks. Service
providers often analyze the utilization statistics available from
SNMP-enabled devices to make informed engineering decisions, diagnose
faults and perform billing. However collecting and efficiently storing
large amounts of time-series data quickly, without impacting network
or device performance, is challenging in very large installations. We
identify three crucial requirements for an SNMP statistical solution:
(i) support for hundreds of devices each with thousands of objects;
(ii) the ability to retain the data indefinitely; and (iii) an
abstract interface to the data. We then compare the applicability of
several tools in a service provider environment. Finally, we detail
Real Traffic Grabber (RTG), an application currently in use on our
national IP backbone which we developed in lieu of existing packages
to meet our requirements.
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