1需求获取的信息 获取信息就是为了能够得到产生需求文档 和规格说明所必需的信息: 问题域的描述 要求解决的问题列表需求) 用户对解系统的行为或结构施加的任何约 束
1.需求获取的信息 获取信息就是为了能够得到产生需求文档 和规格说明所必需的信息： – 问题域的描述 – 要求解决的问题列表(需求) – 用户对解系统的行为或结构施加的任何约 束
2信息来源 1)高层系统需求 System Requirements 2)客户(实际的和潜在的) Customers 3)客户的“规格说明书”CRS 4)原有解系统即运行在问题坷中,执行与预期的 新的解系统相似功能的系统)及其文档 5)原有系统的用户 6)竞争对手的产品 7)应用领城专家 8)定义了任何接口系统的特征和行为的文档 9)相关的技术标准和法规
2. 信息来源 1) 高层系统需求 System Requirements 2) 客户(实际的和潜在的) Customers 3) 客户的“规格说明书” CRS 4) 原有解系统(即运行在问题域中，执行与预期的 新的解系统相似功能的系统)及其文档 5) 原有系统的用户 6) 竞争对手的产品 7) 应用领域专家 8) 定义了任何接口系统的特征和行为的文档 9) 相关的技术标准和法规
2.1 Identifying Requirements Info Sources As a start points, you first need to identify Key stakeholders as we learned before they are users, customers and developers Potential users and operators who need this product storical data, Including process data Because they are easy to identify No, because they are important
2.1 Identifying Requirements Info Sources As a start points, you first need to identify ➢ Key stakeholders - as we learned before, they are users, customers and developers ➢ Potential users and operators who need this product ➢ Historical data, including process data Because they are easy to identify? No, because they are important!
2. 1 Identifying Requirements Info Sources o Baseline documents基线文档 √ Source requirements documents原始需求 Contracts合同 √ Proposal提案 v Standards v Product visions and scope Requlations Y Customer requirements
2.1 Identifying Requirements Info Sources o Baseline documents 基线文档 ✓ Source requirements documents 原始需求 ✓ Contracts 合同 ✓ Proposal 提案 ✓ Standards ✓ Product visions and scope ✓ Regulations ✓ Customer requirements
2. 1 Identifying Requirements Info Sources o Auxiliary documents补充文档 Y Early system concept studies √ User profiles用户概况 Marketing study v Interviewing notes Current technology White papers v Lessons learned study
2.1 Identifying Requirements Info Sources o Auxiliary documents 补充文档 ✓ Early system concept studies ✓ User profiles 用户概况 ✓ Marketing study ✓ Interviewing notes ✓ Current technology ✓ White papers ✓ Lessons learned study