Not All Packets Are Equal

by Jason Greengrass, John Evans, and Ali C. Begen

The Internet Protocol (IP) is becoming the dominant network technology for video transport. In turn, video is becoming an increasingly significant component of IP network traffic. IP-based video service providers have a range of technology options for supporting the necessary service-level requirements—commonly specified in service-level agreements—for delivering quality video service to viewers. They must first understand these requirements in detail in order to be able to determine the relative benefits of different network technology approaches and to choose between them.

Part one of this two-part article considers the network factors that impact viewers' quality of experience (QoE) for IP-based video-streaming services such as IPTV. In part two, the authors highlight the impact that different durations of IP packet loss have on the quality of experience for IP-based video streaming services.

Read Part I ►

Read Part II ►

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This month's theme: IPTV

About this month's theme:
IPTV is about more than the delivery of digital television over Internet technology—it's about creating a videocentric, visually compelling, next-generation Internet that’s accessible on any device, any time, anywhere. Read more ►

IPTV Related links ►

More articles on IPTV:

Designing a Reliable IPTV Network

Standardization Activities for IPTV Set-Top Box Remote Management

Digital Television for Mobile Devices

Not All Packets Are Equal

Reducing Channel-Change Times with the Real-Time Transport Protocol