Medspiration â System Requirements Document - Data User Element

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Medspiration MED-SOC-RS-001_1 System Requirements Document Issue F APPENDIX A TRACE BETWEEN USER REQUIREMENTS AND SYSTEM REQUIREMENTS This appendix contains two large tables which facilitate cross-referencing between the three reference documents [RD-1, RD-2 and RD-3] and the system requirements presented in the main body of this document. Table A1 segments the text in the reference documents (except for sections that are clearly out of the scope of Medspiration) and assigns unique identifiers to each statement, alongside the document page number and any relevant table, rule or figure numbers. The right hand column of this large table shows the SRs which can be traced back to the statement. Alternatively the statement is judged to be one which is intended to provide background information, or (in the case of [RD-3]) is out of the scope of Medspiration. In this case the entry is not a software requirement (NASR). Table A2 provides the reverse reference, from a systematic list of SRs back to the IDs of the reference document statements (as defined in Table A1) from which they are derived or which have influenced their definition. This arrangement using two tables should facilitate the following: • Checks to ensure that the system functionality required by the reference documents is fully reflected in the System requirements. • A means of rapidly cross-referencing those parts of the reference documents which relate to each of the system requirements. Not all SRs have a trace back to the reference documents. For these, their origin should be apparent from their context in this document. In many cases they relate to internal requirements such as internal interfaces or system controllers which are essential for the specification of a consistent overall system. Where there are discrepancies between the SR and the reference to which it is traced, this should be explained in the comments following the SR in the main body of this document, or will be discussed in the Design Justification File (DJF). © 2004 SOC Page 88 of 193
Medspiration MED-SOC-RS-001_1 System Requirements Document Issue F Table A1. Trace between the documented user requirements and the system requirements specified in this document Key to abbreviations used in the SR entry column: NASR ATPD Not a system requirement (Text in the reference document which may be explanatory or background, and where there is nothing mentioned which contributes to defining the system) Not a system requirement, but concerned with testing the system and thus may be relevant to the Acceptance Test Procedures Document Out of Scope Format Specifies requirements for a part of GHRSST-PP activity that lies outside the scope defined by the Statement of Work Contains information about detailed formatting of data files, reference variables, configuration files etc. Page Table, fig. Reference ID Text from reference documents SR entry Statement of Work 3 1 Introduction 3 sow-001 The international GODAE steering committee initiated the international GODAE High Resolution SST Pilot Project (GHRSST-PP) to develop a system that will deliver a new generation of global coverage high resolution (better than 10 km and ~6 hourly) SST data products in real time that are tuned to the requirements of modern operational oceanography. NASR (not a software requirement) 3 sow-002 GHRSST-PP data products will be derived by combining complementary Level-2 (L2) satellite and in situ observations to NASR improve spatial coverage, temporal resolution, cross-sensor calibration stability and SST product accuracy through synergy. © 2004 SOC Page 89 of 193
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Medspiration â System Requirements Document - Data User Element