In part 1 of this series we talked about why video traffic is increasing on networks. In part 2 we focused on some key questions to ask in order to get your arms around video apps and their impact on your network. We also left you with a short poll on types of video applications currently being used on your networks. In this last segment, we will look at some specific things you can do in your network to prepare it to be "Video Ready".
Video Apps on Your Network
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In the first segment, we talked about several major trends that are increasing the amount of video traffic on corporate networks. In this second segment, we look at what you can do to start to get a handle on the impacts to your network.
Understanding Video Application Behavior
First, and foremost, the term "video" gets tossed around alot as an application, but in reality its a technology that enables or is included in many applications. Each video application has its own unique model of behavior and requirements on the network. So you need to understand the applications using video and understand their behavior. Some critical questions to ask include:
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Thanks alot to all the Network Wolrd readers who participated yesterday in our online chat. Don't forget to check out the transcript of the online chat.
Its a no-brainer that IP-based video applications are increasing at a dramatic rate, and its having a dramatic affect on network traffic. A recent study/white paper by Cisco attempts to quantify the growth and provide a glimpse into the future. According to this paper, video traffic on the internet in 2007 exceeded the level of traffic on the entire internet in 2000.
"The Exabyte Era"
cisco.com...net_implementation..pdf
Anyone Can be a Film Studio
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An early security hole (and one that you can drive a truck through) in wireless networks was the problem of "rogue" access points: essentially wireless access points deployed without authorization of the IT department and almost always without the best practices security measures implemented.
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Are Wireless Networks Vulnerable?
Welcome to the Jim and Neil Simplified Blog!
A quick note to introduce ourselves. We have been colleagues and friends now for about 13 years, and we have written five books together: four focused on Home Networking and one focused on Enterprise Networks. We specialize in trying to boil down complex technologies for the novice.
Cisco Networking Simplified, 2nd Edition, is our latest book in which we took approximately 65 different technologies that Cisco has products in, and broke them down into 4-5 page snippet discussions. The topics in this book range from IP Addressing and Networking Fundamentals, to Security, Wireless Networks, VoIP and Unified Communications, Video over IP, and Virtualization.
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Jim Doherty is chief marketing officer at CipherOptics. Jim previously held leadership positions with Symbol Technologies and Cisco. He has more than 16 years of technical marketing and engineering experience and has led various marketing campaigns for IP telephony and routing and switching and network security solutions.
Neil Anderson is director of Enterprise Systems Engineering with Cisco. He has more than 20 years of broad experience in communications systems, including public telephone, mobile phone, and IP networks. At Cisco, Neil's focus is on business networks in the areas of network design, wireless networking, VoIP, and video-over-IP systems.
Jim and Neil are co-authors of the Networking Simplified series of books published by Cisco Press. See a sneak peek of a chapter from their book Cisco Networking Simplified, 2nd Edition here.
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