BS-7090-2-1989 ISO-8571-2-1988.pdf
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1、BRITISH STANDARD BS 7090-2: 1989 ISO 8571-2: 1988 Incorporating Amendment Nos. 1, 2 and Corrigendum No. 1 Open Systems Interconnection: file transfer, access and management Part 2: Virtual filestore definition ISO title: Information processing systems Open Systems Interconnection File Transfer, Acce
2、ss and Management Part 2: Virtual Filestore Definition UDC 681.324.02.071.8 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:42:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7090-2:1989 This British Standard, having been prepared under the direction of the
3、Information Systems Technology Standards Policy Committee, was published under the authority of the Board of BSI and comes into effect on 31 July 1989 BSI 02-2000 The following BSI references relate to the work on this standard: Committee reference IST/21 Draft for comment DD 113-2 ISBN 0 580 17281
4、3 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Information Systems Technology Standards Policy Committee (IST/-) to Technical Committee IST/21, upon which the following bodies were represented: Association for Payment Clearing Service
5、s British Computer Society Ltd. British Gas plc British Telecommunications plc Business Equipment and Information Technology Association Computer Services Association Department of Trade and Industry (Alvey: Advanced Network Systems Architecture) Department of Trade and Industry (Information Technol
6、ogy Division) Department of Trade and Industry (Information Technology Standards Unit) Department of Trade and Industry (National Physical Laboratory) Electronic Engineering Association HM Treasury (Central Computer and Telecommunications Agency) Institute of Chartered Secretaries and Administrators
7、 Institute of Data Processing Management Institution of Electrical Engineers Inter-universities Computing Committee Joint Academic Network Joint Network Team Ministry of Defence National Computing Centre Ltd. Post Office Science and Engineering Research Council Telecommunications Engineering and Man
8、ufacturing Association United Kingdom Atomic Energy Authority Amendments issued since publication Amd. No.Date of issueComments 6827 Corr. September 1991 7937November 1993 8063January 1994Indicated by a sideline in the margin Licensed Copy: London South Bank University, London South Bank University,
9、 Fri Dec 08 12:42:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7090-2:1989 BSI 02-2000i Contents Page Committees responsibleInside front cover National forewordiii Forewordii 0Introduction1 1Scope and field of application1 2References1 3Definitions2 4Abbreviations2 Section 1. The filestore model
10、 5Basic concepts3 6File selection6 7File structures8 8Actions on files13 9Attributes14 Section 2. Actions on the Filestore 10Actions on complete files19 11Actions for file access20 Section 3. Attribute definitions 12File Attributes26 13Activity attributes28 14Attribute groups31 15Minimum attribute r
11、anges32 Annex A File access structure constraint sets36 Annex B Document types45 Annex C Reading of structured files58 Annex D Insertion in a structured file59 Annex E ASN.1 cross reference64 Figure 1 Relationship of files, attributes and associations4 Figure 1a An example tree structure of a VFS5 F
12、igure 1b An example of the apparent structure of a VFS6 Figure 2 The Access Structure as a Tree Structure9 Figure 3 ASN.1 definition of file contents10 Figure 4 ASN.1 definition of file structure11 Figure 5 Unstructured file transfer58 Figure 6 Flat file transfer58 Figure 7 Hierarchical file transfe
13、r59 Figure 8 Source of transferred data60 Figure 9 Initial state of destination file60 Figure 10 Final state of insert as sisters to A60 Figure 11 Final state of insert as children of C (normal)61 Figure 12 Final state of insert as children of C (varient)62 Figure 13 Final state of insert subtree as
14、 sister62 Figure 14 Final state of insert subtree as child63 Figure 15 Initial state of ordered flat file63 Figure 16 Final state of merge of ordered flat files64 Table 1 Result of reading in an access context12 Table 1a Bitstring and bitstring pattern relationships16 Table 1b Attribute relationship
15、 combinations16 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:42:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7090-2:1989 ii BSI 02-2000 Page Table 2 Effect of actions on location21 Table 2a access control and permitted actions by object type25 Table 3
16、Concurrency control options29 Table 3a Object attribute groups32 Table 4 Activity attributes33 Table 5 Object attributes34 Table 6 Basic constraints in the unstructured constraint set37 Table 7 Basic constraints in the sequential flat constraint set38 Table 8 Identity constraints in the sequential f
17、lat constraint set38 Table 9 Basic constraints in the ordered flat constraint set39 Table 10 Identity constraints in the ordered flat constraint set39 Table 11 Basic constraints in the ordered flat constraint set with unique names40 Table 12 Identity constraints in the ordered flat constraint set wi
18、th unique names41 Table 13 Basic constraints in the ordered hierarchical constraint set41 Table 14 Identity constraints in the ordered hierarchical constraint set42 Table 15 Basic constraints in the general hierarchical constraint set43 Table 16 Identity constraints in the general hierarchical const
19、raint set43 Table 17 Basic constraints in the general hierarchical constraint set with unique names44 Table 18 Identity constraints in the general hierarchical constraint set with unique names44 Table 19 Information objects in the unstructured text document type45 Table 20 Information objects in the
20、 sequential text document type48 Table 21 Information objects in the unstructured binary document type52 Table 22 Information objects in the sequential binary document type54 Table 23 Information objects in the hierarchical document type57 Publications referred toInside back cover Licensed Copy: Lon
21、don South Bank University, London South Bank University, Fri Dec 08 12:42:46 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7090-2:1989 BSI 02-2000iii National foreword This Part of BS 7090 has been prepared under the direction of the Information Systems Technology Standards Policy Committee. It is i
22、dentical with ISO 8571-2:1988 “Information processing systems Open Systems Interconnection File Transfer, Access and Management Part 2: Virtual Filestore Definition”, including Technical Corrigendum 1, Amendment 1 and Amendment 2. The International Standard was prepared and published by the Internat
23、ional Organization for Standardization (ISO) with the active participation and approval of the UK. It is a revision of DD 113-2:1987 which is withdrawn. The other Parts of BS 7090 are as follows: Part 1: General introduction; Part 3: File service definition; Part 4: File protocol specification; Part
24、 5: PICS proforma1). Up-to-date information on existing and projected British Standards publications for Open Systems Interconnection is included in the “Basic List”, published as part of the BSI Information Technology Services (BITS) initiative. For details contact: Marketing Department, BSI, Linfo
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