ANSI-INCITS-324-1999.pdf
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1、ANSI INCITS 324-1999 (formerly ANSI NCITS 324-1999) for Information Technology High-Performance Parallel Interface 6400 Mbit/s Physical Switch Control (HIPPI-6400-SC) Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=University of Michigan/5967164002 No
2、t for Resale, 05/08/2007 21:12:34 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=University of Michigan/5967164002 Not for Resale, 05/08/2007 21:12:34 MDTNo reproduction or net
3、working permitted without license from IHS -,-,- ANSI NCITS 324-1999 American National Standard for Information Technology High-Performance Parallel Interface 6400 Mbit/s Physical Switch Control (HIPPI-6400-SC) Secretariat Information Technology Industry Council Approved December 8, 1999 American Na
4、tional Standards Institute, Inc. Abstract This document describes a protocol for controlling physical layer switches that are based on the High-Per- formance Parallel Interface at 6400 Mbit/s (HIPPI-6400-PH), a high-performance, point-to-point interface for transmitting digital data at peak rates of
5、 6400 Mbit/s between data processing equipment. Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=University of Michigan/5967164002 Not for Resale, 05/08/2007 21:12:34 MDTNo reproduction or networking permitted without license from IHS -,-,- Approval of
6、 an American National Standard requires review by ANSI that the requirements for due process, consensus, and other criteria for approval have been met by the standards developer. Consensus is established when, in the judgement of the ANSI Board of Standards Review, substantial agreement has been rea
7、ched by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made towards their resolution. The use of American National
8、Standards is completely voluntary; their existence does not in any respect preclude anyone, whether he has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. The American National Standards Institute
9、does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. Requests for i
10、nterpretations should be addressed to the secretariat or sponsor whose name appears on the title page of this standard. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken pe
11、riodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. American National Standard Published by American National Standards Institute, Inc. 1
12、1 West 42nd Street, New York, NY 10036 Copyright 1999 by Information Technology Industry Council (ITI) All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without prior written permission of ITI, 1250 Eye Street NW, Washingt
13、on, DC 20005. Printed in the United States of America CAUTION: The developers of this standard have requested that holders of patents that may be required for the implementation of the standard disclose such patents to the publisher. However, neither the developers nor the publisher have undertaken
14、a patent search in order to identify which, if any, patents may apply to this standard. As of the date of publication of this standard and following calls for the identification of patents that may be required for the implementation of the standard, no such claims have been made. No further patent s
15、earch is conducted by the de- veloper or publisher in respect to any standard it processes. No representation is made or implied that licenses are not required to avoid infringement in the use of this standard. Copyright American National Standards Institute Provided by IHS under license with ANSI L
16、icensee=University of Michigan/5967164002 Not for Resale, 05/08/2007 21:12:34 MDTNo reproduction or networking permitted without license from IHS -,-,- i Contents Page Forewordii 1Scope 1 2Normative references 1 3Definitions and conventions. 2 3.1Definitions 2 3.2Editorial conventions . 3 3.2.1Binar
17、y notation. 3 3.2.2Hexadecimal notation 3 3.2.3Bit/Byte naming conventions. 3 3.2.4Acronyms and other abbreviations 3 4System overview . 3 4.1Switch function 3 4.2Micropackets . 3 4.3Messages 5 4.4Admin micropackets 5 4.5Bridging versus Switching . 5 5Switch processing 5 5.1Micropacket data passed t
18、hrough fabric 5 5.2Routing of Header micropacket. 6 5.2.1Switch addressing . 6 5.2.2Full Destination ULA processing . 6 5.2.3Partial Destination ULA processing. 6 5.3Forwarding of subsequent micropackets in a Message 6 5.4Error protection 7 5.4.1Mandatory error checking 7 5.4.2Optional error checkin
19、g . 7 5.4.3Congestion management 7 5.5Data interleaving 7 5.5.1Micropacket interleaving 7 5.5.2Message/Admin micropacket interleaving. 7 6Admin micropackets 8 6.1Elements 9 6.2Admin micropacket functions. 9 6.3Admin micropacket format. 9 6.4Admin micropacket commands and responses. 12 6.4.1PING 12 6
20、.4.2PING_RESPONSE 12 6.4.3SET_ELEMENT_ADDRESS. 13 6.4.4SET_ELEMENT_ADDRESS_RESPONSE. 13 6.4.5RESET. 13 6.4.6EXCHANGE_ELEMENT_FUNCTION. 13 6.4.7ELEMENT_FUNCTION_RESPONSE. 14 6.4.8ULA_REQUEST 14 6.4.9ULA_RESPONSE 15 6.4.10 READ_REGISTER 15 Copyright American National Standards Institute Provided by IH
21、S under license with ANSI Licensee=University of Michigan/5967164002 Not for Resale, 05/08/2007 21:12:34 MDTNo reproduction or networking permitted without license from IHS -,-,- ii Page 6.4.11 READ_REGISTER_RESPONSE 15 6.4.12 WRITE_REGISTER 15 6.4.13 WRITE_REGISTER_RESPONSE 16 6.4.14 INVALID_COMMAN
22、D . 16 6.4.15 ULA_LIST_REQUEST 16 6.4.16 ULA_LIST_RESPONSE 16 6.4.17 PORT_REMAP 17 6.4.18 REMAP_RESPONSE 17 6.4.19 PORT_MAP_REQUEST . 17 6.4.20 PORT_MAP_RESPONSE. 18 6.4.21 Reserved Admin micropacket functions 18 6.5Sending Admin micropackets 18 6.6Addressing of Admin micropackets. 18 6.7Processing
23、Admin micropackets . 19 6.8Admin Element address assignment. 20 6.9Admin micropacket flow control. 20 7ULA configuration 21 7.1Determination of connectivity 21 7.2ULA exchange. 22 7.2.1Endpoints on both ends. 22 7.2.2Endpoint to switch . 22 7.2.3Switches on both ends 22 8Message forwarding tables .
24、22 8.1Non-bridging switches. 22 8.2Bridging switches 22 9Broadcast/multicast. 23 10Configuration sequence 23 Tables 1Data carried through fabric 4 2Data to route 1st micropacket in a Message. 4 3Data to Route subsequent micropackets in a Message 5 4Data used for error checking and reporting. 5 5Admi
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