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Deliverable 1

Guidelines on Requirements Specification for Telecommunication Systems W. Deichmann, Deutsche Telekom. Deliverable 1. Specifications departments. Requirements Specification - Address -. Suggested Readers:. Purchasing departments. Quality departments.

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Deliverable 1

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  1. Guidelines on Requirements Specification for Telecommunication Systems W. Deichmann, Deutsche Telekom Deliverable 1

  2. Specifications departments Requirements Specification- Address- Suggested Readers: • Purchasing departments • Quality departments

  3. To provide guidelines on Requirements Specification for: Requirements Specification- Objective- • Hardware • Software • Services

  4. Requirements Specification- Objective- Classification of Products types into • Market type • Innovative products • Known products • Off-the-shelf products • Functional type • Transmission systems • Switching systems • Operation-, Administrative- and Maintenance systems • Other systems

  5. Process requirements (creating & delivering a product) Requirements Specification- Sources- • Rules for Quality Assurance • Traceability rules • Corrective actions procedures / rules • Test definitions D2, D3, D4 • Verification / validation test definition • Serial product test definition • Acceptance criteria and procedures

  6. Product requirements (characteristics) Requirements Specification- Sources- • Functional and structural • Operation and maintenance • Environmental • Safety, security • Test definitions (product specific & dependent) • Quality parameters • Incoming product quality indexes • Reliability

  7. MIL-STD ITU ETSI CECC ISO EU- IEC DIRECTIVES Guidelines on Requirements Specification Deliverable 1 Requirements Specification- Basis- How Deliverable 1 is based on various internationalStandards and Directives

  8. Bellcore EIRUS RQMS + IPQM P619 P307 P518 P307 P516 P227 P516 D3, D4, D5 9000 9126 8402 12207 12119 9646-7 14001 SPICE Series Guidelines on Requirements Specification Deliverable 1 Requirements Specification- Interlace- How Deliverable 1 is supported by various EURESCOMProjects andStandardsare interlaced

  9. Requirements specification checklist Requirements Specification- Checklist- • All products • EURESCOM projects, standards • Hardware related • Standards, ATM Forum, IETF specifications • Software related • Standards,ATM Forum, IETF specifications • Services related • No sources found

  10. Graphic Tool for Search and Identification (GTSI) Requirements Specification-Tool- • Describing a product 1. Choose Market Type (Innovative, Known, Off-the-shelf) 2. Describe the Aspects (Technical, Function, Quality...) 3. Indicate the Function Type (Switching, Transmission...) 4. Indicate the Component Type (Hardware, Software, Services) 5. Indicate the part of the Life-Cycle (ISO 12207) 6. Find the documents containing requ. for the relevant product

  11. Implementation Conformance Statement Requirements Specification- Writing Format- • Format formalism • proposed by ISO / IEC 9646-7 • Table structured list of questions / requirements • Questions about strict requirements • Questions about numerical values • Questions about scheduling timelines • Questions about implemented optional features • Request for information

  12. Requirements Specification should be written Requirements Specification- Recommendations- • according to the European Council Directive 93/38 • using the Document Selection Process in D1 • Choose Market Type • Describe the Aspects • Indicate the Function Type • Indicate the Component Type • Indicate the part of the Life-Cycle (ISO 12207) • Use a search tool like GTSI to get the appropriate documents

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