WHITE PAPER
Web
Caching:
Optimizing
for Internet
and Web
Traffic
Web Caching:
Optimizing for Internet and Web Traffic
C O N T E N T S
Abstract ..................................................x
The Internet Impact ................................x
Traffic Jams on the Information
Superhighway.........................................x
Web Caching: Building a Smarter
Network .................................................x
How Does a Webcache Work?................x
What Makes a Good Webcache?............x
The Business Case for Web Caching .......x
Direct Benefits to Business and Schools...x
Implementing a Webcache......................x
Proxy Caching.....................................x
Proxy-Relay Caching............................x
Transparent Caching ...........................x
In-Line Webcaches ..............................x
Summary Of Webcache Client-Side
Deployment Modes.............................x
Webcache and Web Server
Acceleration........................................x
Conclusion..............................................x
Glossary ..................................................x
WEB CACHING: OPTIMIZING FOR INTERNET AND WEB TRAFFIC
2
Business use of the Internet and of
web-based applications continues to
grow exponentially, despite the fits and
starts of the “Internet revolution.” The
Internet is increasingly being used to link
suppliers, partners, and customers.
Key enterprise applications have been or
are migrating to web-based implementa-
tions. This dramatic increase in
web-based activity in the enterprise is
also being seen in schools, libraries, and
other educational institutions. Simply
expanding network capacity to deal with
the stress is not the best answer. There
are much more economical ways to make
better use of existing networks than
investing resources on expanding net-
work capacity. Deploying web caching
technologies offers just such a solution.
This paper describes the new challenges
facing enterprise and educational
networks in the current environment, and
details ho