ANSI INCITS418-2006 Information technology - Fibre Channel Switch Fabric - 4 (FC-SW-4)《信息技术.光纤信道开关构造.4(FC-SW-4)》.pdf

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1、American National StandardDeveloped byfor Information Technology Fibre Channel Switch Fabric- 4(FC-SW-4)ANSI INCITS 418-2006ANSIINCITS418-2006Copyright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license

2、from IHS-,-,-Copyright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ANSIINCITS 418-2006American National Standardfor Information Technology Fibre Channel Switch Fabric - 4 (FC-SW-4)Sec

3、retariatInformation Technology Industry CouncilApproved December 8, 2006 American National Standards Institute, Inc.AbstractThis standard describes the requirements for an interconnecting Fabric consisting of multiple FabricSwitch elements to support the ANSI/INCITS Fibre Channel - Framing and Signa

4、ling (FC-FS) and ANSI/INCITS Fibre Channel - Physical Interface (FC-PI) standards.Copyright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Approval of an American National Standard requi

5、res review by ANSI that therequirements for due process, consensus, and other criteria for approval havebeen met by the standards developer.Consensus is established when, in the judgement of the ANSI Board ofStandards Review, substantial agreement has been reached by directly andmaterially affected

6、interests. Substantial agreement means much more thana simple majority, but not necessarily unanimity. Consensus requires that allviews and objections be considered, and that a concerted effort be madetowards their resolution.The use of American National Standards is completely voluntary; theirexist

7、ence does not in any respect preclude anyone, whether he has approvedthe standards or not, from manufacturing, marketing, purchasing, or usingproducts, processes, or procedures not conforming to the standards.The American National Standards Institute does not develop standards andwill in no circumst

8、ances give an interpretation of any American NationalStandard. Moreover, no person shall have the right or authority to issue aninterpretation of an American National Standard in the name of the AmericanNational Standards Institute. Requests for interpretations should beaddressed to the secretariat

9、or sponsor whose name appears on the titlepage of this standard.CAUTION NOTICE: This American National Standard may be revised orwithdrawn at any time. The procedures of the American National StandardsInstitute require that action be taken periodically to reaffirm, revise, orwithdraw this standard.

10、Purchasers of American National Standards mayreceive current information on all standards by calling or writing the AmericanNational Standards Institute.American National StandardPublished byAmerican National Standards Institute, Inc.25 West 43rd Street, New York, NY 10036Copyright 2006 by Informati

11、on Technology Industry Council (ITI)All rights reserved.No part of this publication may be reproduced in anyform, 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 AmericaCAUTION: The deve

12、lopers of this standard have requested that holders of patents that may berequired 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 identifywhich, if any, patents may apply to t

13、his standard. As of the date of publication of this standardand following calls for the identification of patents that may be required for the implementation ofthe standard, no such claims have been made. No further patent search is conducted by the de-veloper or publisher in respect to any standard

14、 it processes. No representation is made or impliedthat 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 Not for ResaleNo reproduction or networking permitted without license from IHS-,

15、-,-Copyright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ContentsPageForeword .xixIntroduction . xxvi1 Scope . 12 Normative references . 12.1 Approved references 22.2 References under

16、 development . 23 Definitions and conventions . 33.1 Definitions 33.2 Editorial conventions 83.3 State Machine notation 93.4 Abbreviations, acronyms, and symbols . 103.5 Definition of Compliance Terms . 103.6 Keywords . 113.7 T10 Vendor ID Fields . 124 Structure and Concepts . 134.1 Overview 134.2 E

17、_Port Operation . 134.3 Fabric Operation 134.4 Fabric Definition . 144.5 Switch 144.6 Switching characteristics 174.6.1 Switching overview 174.6.2 Synchronous switching 174.6.3 Asynchronous switching 174.7 Switch Ports and Bridge Ports . 174.7.1 General Characteristics . 174.7.2 F_Port 184.7.3 FL_Po

18、rt 184.7.4 E_Port 184.7.4 B_Port 184.7.5 G_Ports and GL_Ports . 184.8 Fabric Addressing 194.9 Class F Service 215 Switch Ports and Bridge Ports . 225.1 Overview 22i5.2 Model elements 225.2.1 FC Transports 22Copyright American National Standards Institute Provided by IHS under license with ANSI Not f

19、or ResaleNo reproduction or networking permitted without license from IHS-,-,-Page5.2.2 Switch Transport 225.2.3 Control Facilities 225.2.4 Link Services . 235.3 F_Port Operation . 235.4 FL_Port Operation . 245.5 E_Port Operation . 255.6 B_Port Operation . 275.7 Inter-Switch Link Behavior . 285.8 Cl

20、ass F Service 295.8.1 Class F Function 295.8.2 Class F Rules 295.8.3 Class F Frame Format . 315.8.4 Class F Flow Control . 326 Internal Link Services . 336.1 Switch Fabric Internal Link Services (SW_ILS) . 336.1.1 SW_ILS Overview 336.1.2 Switch Fabric Internal Link Service Accept (SW_ACC) . 356.1.3

21、Switch Fabric Internal Link Service Reject (SW_RJT) . 356.1.4 Exchange Link Parameters (ELP) . 396.1.4.1 ELP Request . 396.1.4.2 R_RDY Flow Control 456.1.4.3 VC_RDY Flow Control 466.1.4.4 ELP Reply . 476.1.5 Exchange Fabric Parameters (EFP) 486.1.6 Domain Identifier Assigned (DIA) 526.1.7 Request Do

22、main_ID (RDI) . 536.1.8 Hello (HLO) 566.1.8.1 HLO Overview 566.1.8.2 FSPF Header Format . 576.1.9 Link State Update (LSU) 586.1.9.1 LSU Overview . 586.1.9.2 Link State Record (LSR) Format 596.1.9.3 Link State Header Format . 606.1.9.4 Link Descriptor Format . 616.1.10 Link State Acknowledgement (LSA

23、) 626.1.11 Build Fabric (BF) 626.1.12 Reconfigure Fabric (RCF) 636.1.13 Inter-Switch Registered State Change Notification (SW_RSCN) 656.1.14 Distribute Registered Link Incident Records (DRLIR) . 676.1.15 Disconnect Class 1 Connection (DSCN) . 686.1.16 Merge Request (MR) . 696.1.16.1 Merge Request Pa

24、yload . 706.1.16.1.1 Merge Request Payload in Basic Zoning 716.1.16.1.2 Merge Request Payload in Enhanced Zoning 726.1.16.2 Merge Request Reply . 736.1.17 Acquire Change Authorization Request (ACA) 746.1.18 Release Change Authorization (RCA) Request . 76ii6.1.19 Stage Fabric Configuration Update (SF

25、C) Request 77Copyright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHSPage6.1.19.1 SFC in Basic Zoning . 796.1.19.2 SFC in Enhanced Zoning 796.1.19.2.1 Operation Request Activate Zone Set Enh

26、anced 806.1.19.2.2 Operation Request Deactivate Zone Set Enhanced 806.1.19.2.3 Operation Request Distribute Zone Set Database 806.1.19.2.4 Operation Request Activate Zone Set by Name 816.1.19.2.5 Operation Request Set Zoning Policies . 816.1.20 Update Fabric Configuration (UFC) Request . 826.1.21 Ch

27、eck E_Port Connectivity (CEC) . 836.1.22 Exchange Switch Capabilities 856.1.23 Exchange Switch Support (ESS) . 886.1.23.1 ESS Request Payload . 896.1.23.2 Interconnect Element Information Object 896.1.23.3 Capability Object . 906.1.23.4 Service Specific Capability Formats 906.1.23.4.1 Directory Serv

28、er Capability . 906.1.23.4.2 Fabric Controller Capability . 916.1.23.4.3 ESS Fabric Configuration Server Capability Object 916.1.23.4.4 ESS Enhanced Zone Server Capability Object . 926.1.23.4.5 Security Policy Server Capability Object . 936.1.23.4.6 ESS-Vendor Specific Capability Object 946.1.23.4.7

29、 Domain Controller Capability Object . 956.1.23.4.8 Event Server Capability . 966.1.23.5 ESS Accept Payload . 966.1.24 Merge Request Resource Allocation (MRRA) 966.1.25 Switch Trace Route (STR) . 986.1.25.1 Basic Function . 986.1.26 Exchange Virtual Fabrics Parameters (EVFP) . 1046.1.26.1 Basic Func

30、tion . 1046.1.26.2 EVFP_SYNC Message Payload . 1076.1.26.2.1 Overview . 1076.1.26.2.2 Tagging Administrative Status Descriptor . 1086.1.26.2.3 Port VF_ID Descriptor . 1096.1.26.2.4 Locally-Enabled VF_ID List Descriptor . 1096.1.26.2.5 Vendor Specific Descriptor 1106.1.26.3 EVFP_COMMIT Message Payloa

31、d . 1106.1.27 Enhanced Acquire Change Authorization Request (EACA) . 1106.1.27.1 Commit Exchange Preamble 1116.1.27.1.1 Transaction Identifier . 1116.1.27.1.2 Number of Switch Identifiers . 1126.1.27.1.3 Flags . 1136.1.27.1.4 ECS Switch List . 1136.1.28 Enhanced Stage Fabric Configuration (ESFC) Req

32、uest 1146.1.29 Enhanced Update Fabric Configuration (EUFC) Request . 1156.1.30 Enhanced Release Change Authorization (ERCA) Request . 1166.1.31 Transfer Commit Ownership (TCO) Request . 1177 Fabric Configuration . 1197.1 Fabric Configuration Summary 1197.2 Switch Port Initialization . 120iii7.2.1 Ba

33、sic Operation 120-,-,-Copyright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page7.2.2 Switch_Name Usage . 1297.2.3 Exchange Switch Capabilities Processing . 1297.2.4 B_Port Impact on

34、ESC Processing 1307.2.5 Extensions to Support Virtual Fabrics 1307.3 Principal Switch Selection 1307.4 Address Distribution . 1377.4.1 Address Distribution Overview . 1377.4.2 Domain_ID Distribution by the Principal Switch . 1397.4.3 Domain_ID Requests by the Switches 1417.5 E_Port and Fabric Isolat

35、ion . 1447.6 B_Port Operation . 1457.6.1 Differences Between E_Ports and B_Ports . 1457.6.2 B_Port Internal Link Services 1457.6.3 B_Port Initialization 1467.6.4 Example B_Port Configuration 1478 Fabric Shortest Path First (FSPF) 1488.1 Overview 1488.1.1 Basic Components . 1488.1.2 Fabric connectivi

36、ty . 1488.1.3 Addressing . 1488.1.4 Path Selection and Routing . 1498.1.5 FSPF Path Selection Summary . 1498.2 FSPF Message Processing . 1498.2.1 Message transmission . 1498.2.2 Message Reception and Tests 1508.3 Hello Protocol 1508.3.1 Basic Functions . 1508.3.2 Hello Message Transmission . 1508.3.

37、3 Hello Message Parameters . 1508.3.4 Hello Message Reception 1518.4 The Link State Database . 1518.5 Usage of LSR Fields 1528.5.1 LSR Age 1528.5.2 LSR Incarnation Number . 1538.5.3 LSR Instance Rules . 1538.5.4 LSR Checksum 1548.5.5 Link Cost 1568.6 Link State Database Synchronization 1568.6.1 Sync

38、hronization Overview . 1568.6.2 Neighborhood and Adjacency 1578.6.3 Continuous Link State Database Synchronization . 1588.6.4 Reliable Flooding . 1598.6.4.1 Basic Operation 1598.6.4.2 The Flooding Procedure . 1598.6.4.3 Generating a New LSR . 159iv8.6.4.4 Transmitting an LSR . 160Copyright American

39、National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHSPage8.6.4.5 Receiving an LSR . 1608.7 Neighbor Finite State Machine (FSM) 1619 Distributed Services 1669.1 Basic Model 1669.2 Distributed Services Framew

40、ork 1669.2.1 Goals and Characteristics of the Distributed Services Framework . 1669.2.2 Distributed Service Transport . 1669.2.2.1 Required FC-2 Parameters . 1669.2.2.2 FC-CT Header Usage . 1679.2.2.3 Frame Distribution . 1679.2.2.4 Domain Controller Service Parameters . 1679.2.3 Common Characterist

41、ics 1689.2.4 Zoning Considerations . 1689.2.5 Work Categories 1689.2.6 Frame Formats . 1699.2.7 FC-CT Command Restrictions . 1699.3 Distributed Name Server 1709.3.1 General Behavior . 1709.3.2 FC-CT for Distributed Name Servers . 1719.3.2.1 dNS Command Codes 1719.3.2.2 FC-CT Header usage for dNS . 1

42、749.3.3 Name Server Objects . 1759.3.4 FC-CT requests for dNS 1779.3.4.1 Get Entry based on Port Identifier . 1779.3.4.2 Get Entry based on Port_Name 1779.3.4.3 Get Entries based on Node_Name . 1789.3.4.4 Get Entries based on IP address (Node) 1799.3.4.5 Get Entries based on FC-4 TYPEs . 1799.3.4.6

43、Get Entries based on Port Type 1809.3.4.7 Get Entries based on Zone Member . 1819.3.4.8 Get Entries based on Zone Name . 1829.3.4.9 Get Entries based on Port IP Address 1839.3.4.10 Get Entries based on FC-4 Features 1839.3.4.11 Get Entries based on Fabric Port_Name 1849.4 Distributed Management Serv

44、er 1859.4.1 General Behavior . 1859.4.2 FC-CT Header 1859.4.2.1 FC-CT Header Parameters . 1859.4.2.2 FC-CT Header Rule for Fabric Internal Requests . 1869.4.3 Fabric Configuration Service 1869.4.4 Unzoned Name Service . 1899.4.5 Fabric Zone Service . 1899.4.6 Fabric-Device Management Service 1899.4.

45、6.1 Operational Characteristics of the FDMI Server . 1899.4.6.2 Registration Scenarios 1909.4.6.2.1 HBA Attached to a Single Switch 1909.4.6.2.2 HBA Attached to Multiple Switches . 190v9.4.6.2.3 Resolution of the Principal HBA Manager . 190-,-,-Copyright American National Standards Institute Provide

46、d by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page9.4.6.3 FDMI Inter-Switch Messages 1919.4.6.3.1 General Format . 1919.4.6.3.2 FC-CT Header 1919.4.6.3.3 FDMI Header 1919.4.6.3.4 Payload . 1929.4.6.4 FDMI Inter-Switch Requests . 1

47、929.4.6.5 FDMI Inter-Switch Responses 1939.4.6.5.1 Reject Response 1939.4.6.5.2 Accept Response 1939.4.6.6 FDMI Inter-Switch Operations 1939.4.6.6.1 Registration Notification (FRN) Operation 1939.4.6.6.2 De-Register Notification (FDRN) Operation 1949.4.6.6.3 Update Notification (FUN) Operation 1949.

48、4.6.6.4 Update Forward (FUF) Operation . 1949.4.6.6.5 De-Register Forward (FDRF) Operation . 1949.4.6.6.6 Fetch . 1949.4.6.7 GS Client Initiated FDMI Requests . 1959.4.7 Other Fabric Internal Services . 1969.4.7.1 Fabric Internal Requests . 1969.4.7.2 Get Management Server Capabilities (GCAP) Operation 1979.4.7.2.1 Capability Entry . 19