ANSI-INCITS-355-2001.pdf
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1、ANSI INCITS 355-2001 (formerly ANSI NCITS 355-2001) for Information Technology Fibre Channel Switch Fabric - 2 (FC-SW-2) Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=IHS Employees/1111111001, User=OConnor, Maurice Not for Resale, 04/29/2007 12:31:2
2、0 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=IHS Employees/1111111001, User=OConnor, Maurice Not for Resale, 04/29/2007 12:31:20 MDTNo reproduction or networking permitted
3、without license from IHS -,-,- ANSI NCITS 355-2001 American National Standard for Information Technology Fibre Channel Switch Fabric - 2 (FC-SW-2) Secretariat Information Technology Industry Council Approved November 30, 2001 American National Standards Institute, Inc. Abstract This standard describ
4、es the requirements for an interconnecting Fabric consisting of multiple Fabric Switch elements to support the American National Standard for Information Technology Fibre Channel - Physical and Signaling Interface (FC-PH), ANSI X3.230-1994(R1999). Copyright American National Standards Institute Prov
5、ided by IHS under license with ANSI Licensee=IHS Employees/1111111001, User=OConnor, Maurice Not for Resale, 04/29/2007 12:31:20 MDTNo reproduction or networking permitted without license from IHS -,-,- Approval of an American National Standard requires review by ANSI that the requirements for due p
6、rocess, 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 reached by directly and materially affected interests. Substantial agreement means much m
7、ore 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 Standards is completely voluntary; their existence does not in any respect preclude an
8、yone, 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 does not develop standards and will in no circumstances give an interpretation of any
9、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 interpretations should be addressed to the secretariat or sponsor whose name appears on
10、 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 periodically to reaffirm, revise, or withdraw this standard. Purchasers of American Nati
11、onal 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. 25 West 43rd Street, New York, NY 10036 Copyright 2001 by Information Technology Indust
12、ry 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, Washington, DC 20005. Printed in the United States of America CAUTION: The developers of this
13、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 a patent search in order to identify which, if any, patents may apply to this standard
14、. 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 search is conducted by the de- veloper or publisher in respect to any standard it proce
15、sses. 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 Licensee=IHS Employees/1111111001, User=OConnor, Maurice Not for Resale, 04/29/2007 12:
16、31:20 MDTNo reproduction or networking permitted without license from IHS -,-,- ContentsPage i Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x 1 Introduction and scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 Normative references .
17、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.1 Approved references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.2 References under development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.3 Other references
18、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3 Definitions and conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3.1 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19、3 3.2 Editorial conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2.1 Binary notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.2.2 Hexadecimal notation . . . . . . . . . . . . . . . . . . . . . . .
20、 . . . . . . . . . . . . . . . . 8 3.2.3 State Machine notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.3 Abbreviations, acronyms, and symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.3.1 Acronyms and abbreviations . . . . . . . . . . . .
21、. . . . . . . . . . . . . . . . . . . . . . 9 4 Structure and Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.2 Fabric Operation . . . . . . . . . . . . . .
22、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.3 Fabric Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4.4 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
23、 4.5 Switch Topologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.6 Switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.6.1 Switching overview . . . . . . . . . . . . . . . . . . . . . . . . .
24、. . . . . . . . . . . . . . . 15 4.6.2 Synchronous switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.6.3 Asynchronous switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.7 Switch Ports and Bridge Ports . . . . . . . . . . . .
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