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Lori MacVittie

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Why Think About HTTP 2.0?

The problem is HTTP isn't utilizing TCP efficiently

The problem with web application performance is directly related to the increasing page size and number of objects comprising pages today. Increasing corporate bandwidth (the pipe between the Internet and the organization) doesn't generally help. The law of diminishing returns is at work; at some point more bandwidth (like more hardware) just isn't enough because the problem isn't in how fast bits are traveling, but how many times bits are traversing the network.

And for some clients - like mobile - it doesn't matter. They're getting 1-4Mbps and there's nothing you can do to change that.

The problem is HTTP isn't utilizing TCP efficiently, and thus the round trip - the time it takes for clients to talk to the application - is almost always the real culprit when looking for the source of web application performance issues. Especially for mobile clients, where a round trip carries with it an average latency of 150-300 ms.

More efficient use of TCP, better connection management, compression and other acceleration techniques are a must if we're going to really address web application performance. And that's what HTTP 2.0 is designed to do.

why http 20

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Lori MacVittie is responsible for education and evangelism of application services available across F5’s entire product suite. Her role includes authorship of technical materials and participation in a number of community-based forums and industry standards organizations, among other efforts. MacVittie has extensive programming experience as an application architect, as well as network and systems development and administration expertise. Prior to joining F5, MacVittie was an award-winning Senior Technology Editor at Network Computing Magazine, where she conducted product research and evaluation focused on integration with application and network architectures, and authored articles on a variety of topics aimed at IT professionals. Her most recent area of focus included SOA-related products and architectures. She holds a B.S. in Information and Computing Science from the University of Wisconsin at Green Bay, and an M.S. in Computer Science from Nova Southeastern University.