August 2007
Intermediate to advanced
384 pages
9h 12m
English
book
Securing VoIP Networks: Threats, Vulnerabilities, and Countermeasures
by Peter Thermos, Ari Takanen
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Chapter 10. Provider Architectures and Security
This chapter describes the logical components and network topology of various architectures currently used in service provider VoIP deployments. Carrier-grade VoIP architectures aim to provide a scalable, secure, robust, and interoperable network for residential and enterprise customers using standard mechanisms and protocols. Although this philosophy is claimed by many companies that provide VoIP services, some take a more mature approach to meet these objectives. The two issues that surface frequently are QoS and security, which also tend to be somewhat interrelated. If a network element (for example, SIP proxy) suffers from a vulnerability which can be used to cause a DoS (or a related Byzantine ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.