As consumers demand ever-greater amounts of high-quality content over the Internet,
service providers (SPs) are finding it difficult to increase revenues while containing costs.
This is due mainly to two trends: (1) over-the-top (OTT) content providers have outsourced
the delivery of content to pure-play content delivery network (CDN) companies, and (2) traffic
growth (with no resulting revenue benefit) is increasing network build-out and maintenance
costs for SPs.