RFC 3466 (rfc3466) - Page 1 of 17
A Model for Content Internetworking (CDI)
Alternative Format: Original Text Document
Network Working Group M. Day
Request for Comments: 3466 Cisco
Category: Informational B. Cain
Storigen
G. Tomlinson
Tomlinson Group
P. Rzewski
Media Publisher, Inc.
February 2003
A Model for Content Internetworking (CDI)
Status of this Memo
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2003). All Rights Reserved.
Abstract
Content (distribution) internetworking (CDI) is the technology for
interconnecting content networks, sometimes previously called
"content peering" or "CDN peering". A common vocabulary helps the
process of discussing such interconnection and interoperation. This
document introduces content networks and content internetworking, and
defines elements for such a common vocabulary.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Content Networks . . . . . . . . . . . . . . . . . . . . . . 2
2.1 Problem Description . . . . . . . . . . . . . . . . . 3
2.2 Caching Proxies. . . . . . . . . . . . . . . . . . . . 4
2.3 Server Farms . . . . . . . . . . . . . . . . . . . . . 5
2.4 Content Distribution Networks. . . . . . . . . . . . . 6
2.4.1 Historic Evolution of CDNs . . . . . . . . . . . 8
2.4.2 Describing CDN Value: Scale and Reach. . . . . . 8
3. Content Network Model Terms . . . . . . . . . . . . . . . . 9
4. Content Internetworking . . . . . . . . . . . . . . . . . . 12
5. Content Internetworking Model Terms . . . . . . . . . . . . 12
6. Security Considerations . . . . . . . . . . . . . . . . . . 15
7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 15
8. Normative References . . . . . . . . . . . . . . . . . . . . 16
Day, et al. Informational