Trademarks. Third-Party Information. Jabber is a registered trademark of the Jabber Software Foundation. Acknowledgments

Using Flash Media Server Edge Servers

Trademarks

Afterburner, AppletAce, Attain, Attain Enterprise Learning System, Attain Essentials, Attain

Objects for Dreamweaver, Authorware, Authorware Attain, Authorware Interactive Studio,

Authorware Star, Authorware Synergy, Backstage, Backstage Designer, Backstage Desktop Studio, Backstage Enterprise Studio, Backstage Internet Studio, Contribute, Design in Motion, Director,

Director Multimedia Studio, Doc Around the Clock, Dreamweaver, Dreamweaver Attain,

Drumbeat, Drumbeat 2000, Extreme 3D, Fireworks, Flash, Fontographer, FreeHand, FreeHand

Graphics Studio, Generator, Generator Developer's Studio, Generator Dynamic Graphics Server, Knowledge Objects, Knowledge Stream, Knowledge Track, Lingo, Live Effects, Macromedia,

Macromedia M Logo & Design, Macromedia Contribute, Macromedia Flash, Macromedia Xres,

Macromind, Macromind Action, MAGIC, Mediamaker, Object Authoring, Power Applets, Priority

Access, Roundtrip HTML, Scriptlets, SoundEdit, ShockRave, Shockmachine, Shockwave,

Shockwave Remote, Shockwave Internet Studio, Showcase, Tools to Power Your Ideas, Universal Media, Virtuoso, Web Design 101, Whirlwind and Xtra are trademarks of Macromedia, Inc. and may be registered in the United States or in other jurisdictions including internationally. Other product names, logos, designs, titles, words or phrases mentioned within this publication may be trademarks, servicemarks, or tradenames of Macromedia, Inc. or other entities and may be registered in certain jurisdictions including internationally.

Third-Party Information

Jabber is a registered trademark of the Jabber Software Foundation.

Sorenson™ Spark™ video compression and decompression technology licensed from Sorenson Media, Inc.

This guide contains links to third-party websites that are not under the

control of Macromedia, and Macromedia is not responsible for the content on any linked site. If you access a third-party website mentioned in this guide, then you do so at your own risk. Macromedia provides these links only as a convenience, and the inclusion of the link does not imply that Macromedia endorses or accepts any responsibility for the content on those third-party sites.

Copyright © 2002-2005 Macromedia, Inc. All rights reserved. This manual may not be copied, photocopied, reproduced, translated, or converted to any electronic or machinereadable form in whole or in part without prior written approval of Macromedia, Inc.

Acknowledgments

Project Management: Suzanne Smith

Writing: John Norton, Suzanne Smith

Editing: Evelyn Eldridge, Mary Ferguson, Lisa Stanziano, Anne Szabla

Production Management: Adam Barnett

Media Design and Production: Aaron Begley, Paul Benkman, John Francis, Mario Reynoso

First Edition: October 2005

Macromedia, Inc.

601 Townsend St.

San Francisco, CA 94103

2

Contents

Chapter 1: Using Edge and Origin Servers. . . . . . . . . . . . . . . . . . . .5

Introducing edge servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

How edge servers work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Caching data in edge servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Deploying edge servers in the DMZ . . . . . . . . . . . . . . . . . . . . . . . . . .9 Explicit and implicit proxies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Reverse proxies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Routing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Connecting to an edge server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Detecting the presence of proxy servers . . . . . . . . . . . . . . . . . . . . . 13 Chaining edge servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Configuring edge servers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Deploying a cluster of edge servers. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Connecting to a cluster of edge servers. . . . . . . . . . . . . . . . . . . . . . 16 Enrolling proxy servers in the cluster . . . . . . . . . . . . . . . . . . . . . . . . 16 Accessing applications through an edge cluster . . . . . . . . . . . . . . 16

Clustering reverse proxies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Setting up origin and proxy servers  . . . . . . . . . . . . . . . . . . . . . . . . . 18

Maintaining edge server clusters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Clearing the edge server cache . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

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4         Contents

This chapter describes the various strategies for deploying Flash Media Server with edge and origin servers.

Introducing edge servers

CHAPTER 1 Using Edge and Origin Servers

1