Browse Prior Art Database

Internet Transparency (RFC2775)

IP.com Disclosure Number: IPCOM000003373D
Original Publication Date: 2000-Feb-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 14 page(s) / 40K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

B. Carpenter: AUTHOR

Abstract

This document describes the current state of the Internet from the architectural viewpoint, concentrating on issues of end-to-end connectivity and transparency. It concludes with a summary of some major architectural alternatives facing the Internet network layer.

This text was extracted from a ASCII document.
This is the abbreviated version, containing approximately 7% of the total text.

Network Working Group B. Carpenter

Request for Comments: 2775 IBM

Category: Informational February 2000

Internet Transparency

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 (2000). All Rights Reserved.

Abstract

This document describes the current state of the Internet from the

architectural viewpoint, concentrating on issues of end-to-end

connectivity and transparency. It concludes with a summary of some

major architectural alternatives facing the Internet network layer.

This document was used as input to the IAB workshop on the future of

the network layer held in July 1999. For this reason, it does not

claim to be complete and definitive, and it refrains from making

recommendations.

Table of Contents

1. Introduction.................................................2

2. Aspects of end-to-end connectivity...........................3

2.1 The end-to-end argument.....................................3

2.2 End-to-end performance......................................4

2.3 End-to-end address transparency.............................4

3. Multiple causes of loss of transparency......................5

3.1 The Intranet model..........................................6

3.2 Dynamic address allocation..................................6

3.2.1 SLIP and PPP..............................................6

3.2.2 DHCP......................................................6

3.3 Firewalls...................................................6

3.3.1 Basic firewalls...........................................6

3.3.2 SOCKS.....................................................7

3.4 Private addresses...........................................7

3.5 Network address translators.................................7

3.6 Application level gateways, relays, proxies, and caches.....8

3.7 Voluntary isolation and peer networks.......................8

3.8 Split DNS...................................................9

3.9 Various load-sharing tricks.................................9

4. Summary of current status and impact.........................9

5. Possible future directions..................................11

5.1 Successful migration to IPv6...............................11

5.2 Complete failure of IPv6...................................12

5.2.1 Re-allocating the IPv4 address space........