Internet Storage Name Service (iSNS)
RFC 4171
| Document | Type |
RFC - Proposed Standard
(September 2005; Errata)
Was draft-ietf-ips-isns (ips WG)
|
|
|---|---|---|---|
| Last updated | 2015-10-14 | ||
| Stream | IETF | ||
| Formats | plain text pdf html bibtex | ||
| Stream | WG state | (None) | |
| Document shepherd | No shepherd assigned | ||
| IESG | IESG state | RFC 4171 (Proposed Standard) | |
| Consensus Boilerplate | Unknown | ||
| Telechat date | |||
| Responsible AD | Allison Mankin | ||
| Send notices to | <Elizabeth.rodriguez@dothill.com> | ||
Network Working Group J. Tseng
Request for Comments: 4171 Riverbed Technology
Category: Standards Track K. Gibbons
McDATA Corporation
F. Travostino
Nortel
C. Du Laney
Rincon Research Corporation
J. Souza
Microsoft
September 2005
Internet Storage Name Service (iSNS)
Status of This Memo
This document specifies an Internet standards track protocol for the
Internet community, and requests discussion and suggestions for
improvements. Please refer to the current edition of the "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2005).
Abstract
This document specifies the Internet Storage Name Service (iSNS)
protocol, used for interaction between iSNS servers and iSNS clients,
which facilitates automated discovery, management, and configuration
of iSCSI and Fibre Channel devices (using iFCP gateways) on a TCP/IP
network. iSNS provides intelligent storage discovery and management
services comparable to those found in Fibre Channel networks,
allowing a commodity IP network to function in a capacity similar to
that of a storage area network. iSNS facilitates a seamless
integration of IP and Fibre Channel networks due to its ability to
emulate Fibre Channel fabric services and to manage both iSCSI and
Fibre Channel devices. iSNS thereby provides value in any storage
network comprised of iSCSI devices, Fibre Channel devices (using iFCP
gateways), or any combination thereof.
Tseng, et al. Standards Track [Page 1]
RFC 4171 Internet Storage Name Service (iSNS) September 2005
Table of Contents
1. Introduction................................................... 6
1.1. Conventions Used in This Document........................ 6
1.2. Purpose of This Document................................. 6
2. iSNS Overview.................................................. 6
2.1. iSNS Architectural Components ........................... 7
2.1.1. iSNS Protocol (iSNSP) ........................... 7
2.1.2. iSNS Client...................................... 7
2.1.3. iSNS Server...................................... 7
2.1.4. iSNS Database ................................... 7
2.1.5. iSCSI............................................ 7
2.1.6. iFCP............................................. 7
2.2. iSNS Functional Overview................................. 8
2.2.1. Name Registration Service........................ 8
2.2.2. Discovery Domain and Login Control Service....... 8
2.2.3. State Change Notification Service............... 10
2.2.4. Open Mapping between
Fibre Channel and iSCSI Devices................. 11
2.3. iSNS Usage Model........................................ 11
2.3.1. iSCSI Initiator................................. 12
2.3.2. iSCSI Target.................................... 12
2.3.3. iSCSI-FC Gateway................................ 12
2.3.4. iFCP Gateway.................................... 12
2.3.5. Management Station.............................. 12
2.4. Administratively Controlled iSNS Settings............... 13
2.5. iSNS Server Discovery .................................. 14
2.5.1. Service Location Protocol (SLP)................. 14
2.5.2. Dynamic Host Configuration Protocol (DHCP)...... 14
2.5.3. iSNS Heartbeat Message.......................... 14
2.6. iSNS and Network Address Translation (NAT).............. 14
2.7. Transfer of iSNS Database Records between iSNS Servers.. 15
2.8. Backup iSNS Servers..................................... 17
2.9. Transport Protocols..................................... 19
2.9.1. Use of TCP for iSNS Communication............... 19
2.9.2. Use of UDP for iSNS Communication............... 20
2.9.3. iSNS Multicast and Broadcast Messages........... 20
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