Network Working Group R. Dixon
Request for Comments: 1434 D. Kushi
IBM
March 1993
Data Link Switching: Switch-to-Switch Protocol
Status of this Memo
This memo provides information for the Internet community. It does
not specify an Internet standard. Distribution of this memo is
unlimited.
Abstract
This RFC describes IBM's support of Data Link Switching over TCP/IP.
The RFC is being distributed to members of the Internet community in
order to solicit their reactions to the proposals contained in it.
While the issues discussed may not be directly relevant to the
research problems of the Internet, they may be interesting to a
number of researchers and implementors.
Any questions or comments relative to the contents of this RFC should
be sent to the following Internet address: .
Table of Contents
1. Introduction 2
2. Overview 2
3. Transport Connection 4
3.1. SSP Frame Formats 5
3.2. Address Parameters 8
3.3. Message Types 10
4. Protocol Specification 11
4.1. Protocol Flow Diagrams 11
4.1.1. Connect Protocols 11
4.1.2. Link Restart Protocols 13
4.1.3. Disconnect Protocols 15
4.2. DLS State Machine 16
4.2.1 Data Link Switch States 16
4.2.2 State Transition Tables 21
4.3. NetBIOS Datagrams 30
Acknowledgments 32
References 32
Security Considerations 32
Authors' Addresses 33
Dixon & Kushi