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This book is one in a series of books called, "Emerging Communications Technologies." As the name of the book implies, the focus is on the Point-to-Point Protocol, and the Layer 2 Tunneling Protocol (L2TP).
The subject matter of this book is vast and my approach is to provide a system view of the topic. In consonance with the intent of this series, this general survey also has considerable detail, but not to the level of detail needed to design a system. For that, I leave you to your project team and the various specifications that establish the standards.
This book is considered to be at an intermediate-to-advanced level. As such, it assumes the reader has a background in data communications and the internet protocol suite. Notwithstanding, for the new reader, I have provided several tutorials and guide you to them in the appropriate parts of the book.
I hope you find this book a valuable addition to your library.
I have relied on several Internet Request for Comments (RFCs) and Internet Drafts in certain chapters in this book. In some cases, I have summarized the RFCs with a short tutorial, and in other cases, I have extracted key points from the documents. I have so noted these instances in the appropriate part of the book.
Keep in mind that the Internet Drafts are works in progress, and should be viewed as such. You should not use the drafts with the expectation that they will not change. Notwithstanding, if used as general tutorials, the Drafts discussed in this book are "final enough" to warrant their explanations.
For all the internet standards and draft standards thefollowing applies:
Copyright The Internet Society (1998). All Rights Reserved.
This document and translations of it may be copied and furnished to others, and derivative works that comment on or otherwise explain it or assist in its implementation may be prepared, copied, published, and distributed, in whole or in part, without restriction of any kind, provided that the above copyright notice and this paragraph are included in all such copies and derivative works. However, this document itself may not be modified in any way, such as by removing the copyright notice or references to the Internet Society or other Internet organizations, except as needed for the purpose of developing Internet standards in which case the procedures for copyrights defined in the Internet Standards process must be followed, or as required to translate it into languages other than English.
The limited permissions granted above are perpetual and will not be revoked by the Internet Society or its successors or assigns.