July 2010
Intermediate to advanced
448 pages
12h 27m
English
book
VoIP Performance Management and Optimization
by Adeel Ahmed - CCIE No. 4574, Habib Madani, Talal Siddiqui - CCIE No. 4280
Content preview from VoIP Performance Management and Optimization
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Chapter 1. Voice over IP (VoIP) and Network Management
The Internet Protocol (IP) network was primarily designed for carrying best-effort (no assurance for delivery without any impairment) data traffic. Traditionally, voice communication was primarily carried over the public switched telephone network (PSTN), which is a global network. Because of the success of IP in becoming a worldwide standard and the ubiquity of IP networks, interconnectivity of IP networks provides global connectivity to its users. The global nature of IP networks provides alternative solutions to carrying media, including voice, as long as it can be carried as a payload in an IP packet.
The change from circuit-switched technology to packet-switched technology leverages ...
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