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3.9 Management of Sensor Networks

Jim Frey

An essential part of operating today’s advanced telecommunications services networks is the need for
tools, technologies, and processes that improve an operator’s ability to assure service integrity. Beyond
careful capacity planning and quality assurance during the fulfillment phase, operators must pay close
attention to their subscribers’ quality of experience (QoE) during the live delivery of services. And with
the growing diversity of methods that communications customers demand over which to receive their
services, aggravated by stiffening price competition between carriers, QoE becomes an essential focal
point for building and protecting customer loyalty. This pressure provides a strong business incentive to
embrace and deploy sensory networks of purpose-built monitoring technologies that can provide real-
time and predictive indications of QoE plus an informational base for rapidly and definitively trouble-
shooting problems when they occur.
This chapter will focus on the objectives, challenges, technology alternatives, and deployment of sen-
sory systems as a basis for service assurance and QoE optimization. And, since the world’s service deliv-
ery networks are moving steadily and unwaveringly toward pure IP-based architectures, the discussion
centers heavily on the sensor networks required to support connectionless, IP-based service delivery
infrastructures.