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1、产品名称Product name密级 C onfidentiality level产品版本 Product versionTotal 16pages 共 16页XX High Level Design SpecificationXX概要设计说明书Prepared byName+IDDateyyyy-mm-dd拟制姓名+工号日期Reviewed byDateyyyy-mm-dd评审人日期Approved byDateyyyy-mm-dd批准日期XXXX Co., Ltd.XXXX有限公司Revision Record彳修订记录Date 日期RevisioVersion修订版本CR IDDefec
2、 t IDCR号Sec No.修改 章节Change Description修改描述Author作者Catalog 目录1 Introduction 简介61.1 Purpose 目的61.2 Scope 范围61.2.1 Name 软件名称61.2.2 Functions 软件功能61.2.3 Application s 软件应用62 High Level Design 概要设计62.1 Level 0 Design Description 第零层设计描述62.1.1 Software System Context Definition 软件系统上下文定义62.1.2 Design Cons
3、iderations （Optiona l）设计思路（可选）72.2 Level 1 Design Description 第一层设计描述82.2.1 Decomposition Description 分解描述82.2.2 Dependency Description依赖性描述92.2.3 Interface Description接口描述.02.3 Level 2 Design Description （Optional）第二层设计描述（可选）122.3.1 Module name （1）模块 1 名称122.3.2 Module name （2）模块2名称132.4 Configurat
4、ion and Control （Optional）配置和控制（可选）142.4.1 Startup 启动.142.4.2 Closing 关闭1.42.4.3 Creating MIB Table Item MIB 表项的创建142.4.4 Deleting MIB Table Item MIB 表项的删除.142.4.5 Modifying MIB Table Item MIB 表项的更改142.5 Database （Optional）数据库（可选）.42.5.1 Entity, Attributes and their relationships 实体、属性及它们之间的关系142.5.
5、2 E-R diagram 实体关系图.4Table List表目录Table1*表错误!未定义书签。表1 *表错误!未定义书签。Figure List 图目录Figure 1*图错误!未定义书签。图1*图错误!未定义书签。XX High Level Design SpecificationXX概要设计说明书Keywords关键词：Abstract 摘要：List of abbreviations缩略语清单：v对本文所用缩略语进行说明，要求提供每个缩略语的英文全名和中文解释。Describe abbreviations in this document, full spelling of th
6、e abbreviation and Chinese explanation should be provided.Abbreviations缩略语Full spelling英文全名Chinese explanation 中文解释1 Introduction 简介1.1 Purpose 目的This section should state the purpose of the document. It could also specify the intended audience.这部分要描述文档的目的。应该指明读者。1.2 Scope 范围1.2.1 Name软件名称Identify t
7、he software by name对软件命名1.2.2 Functions 软件功能Explain what the software product(s) will and will not do (either directly or by reference to another software document).解释软件产品将完成或不完成的功能(可以直接描述也可以参考相关文档)1.2.3 Applications 软件应用Describe the application of the product (either directly or by reference to ano
8、ther software document)描述软件的应用(可直接描述也可以参考其它软件文档)2 High Level Design 概要设计2.1 Level 0 Design Description 第零层设计描述2.1.1 Software System Context Definition 软件系统上下文定义Describes the network organizing mode of the software system in actual environment (usually in drawings).Describes how the software system f
9、orms a functional entity with other external entities (usually in drawings).首先描述本软件系统在实际环境的组网方式(一般用图描述)描述系统如何与外部实体一道组成功能实体(一般用图描述)This section describes relationships between the software system to be developed and external entities. Architecture Diagram, Top level DFD (Data-Flow-Diagram) or transac
10、tion diagrams can be used to describe architecture and interaction.本节还要描述待开发软件系统与外部实体的关系可以使用系统架构图、顶层数据流图、事 务图等来描述系统结构和交互关系。All external entities of the software system (defined in Procedure of Design Specification) that interact with the software system, or affect the software system in a certain mo
11、de, for example, OS, driver, hardware, interrupt or other software systems.The property (such as message, library invoking) and type (such as OS service, communication service, system tools, etc.) of the interaction between external entities and this system. Only the contents that are helpful in the
12、 software design should be included while describing the features of an external entity. Instead of a complete description in this specification, you can make indexes to refer to the relative documents that describe the software design. For example, an index can be made for the programming guidance
13、of the OS.所有系统外围实体在设计规格流程中有定义这些实体与软件系统发生交互作用或以某种方 式影响软件系统，比如，操作系统，驱动程序，硬件，中断，其它软件系统等外卜围实体和本系统相互作用的性质比如，消息，库调用和类型(比如，。，服务，通信服务， 系统工具等)。描述外部实体的特性时要注意该描述一定要有助本软件的设计和描述为了本文档 内容的完整性，可以采用对于描述相关设计实体文档索引的方式：如对于操作系统编程手册的索 引2.1.2 Design Considerations (Optional)设计思路(可选)2.1.2.1 Design Methodology 设计方法Describe
14、design methodology that shall be used in the software system design.描述本软件 系统所采取的设计方法。2.1.2.2 Design Alternatives 设计可选方案Analysis several alternatives of system design scheme, and specify the scheme that shall be used.对本软件系统的几种设计方案进行分析、比较，并确定所采用的方案2.1.2.3 Design Constraints 设计约束1 Standards compliance
15、遵循标准Describe standards that software system shall comply with.描述本软件所遵循的标准、规范2 Hardware Limitations 硬件限制Describe hardware limitations of the software system.描述本软件系统实现的硬件限制3 Technology Limitations 技术限制Describe technology limitations of the software system.描述本软件的技术限制2.1.2.4 Other Design Considerations 其它Describe other design considerations of the software system.描述其它有关的设计考虑2.2 Leve
