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1、产品名称Product name密级Confidentiality level产品版本Product versionTotal 15pages 共15页XX High Level Design SpecificationXX 概要设计说明书Prepared by 拟制Name+ID姓名+工号Date日期yyyy-mm-ddReviewed by 评审人Date日期yyyy-mm-ddApproved by批准Date日期yyyy-mm-ddXXXX Co., Ltd. XXXX有限公司 Revision Record 修订记录Date日期Revision Version修订版本CR ID /
2、Defect IDCR号Sec No. 修改章节Change Description修改描述Author作者Catalog 目 录1Introduction 简介61.1Purpose 目的61.2Scope 范围61.2.1Name 软件名称61.2.2Functions 软件功能61.2.3Applications软件应用62High Level Design概要设计62.1Level 0 Design Description第零层设计描述62.1.1Software System Context Definition 软件系统上下文定义62.1.2Design Consideration
3、s (Optional)设计思路(可选)72.2Level 1 Design Description第一层设计描述82.2.1Decomposition Description分解描述82.2.2Dependency Description依赖性描述92.2.3Interface Description接口描述102.3Level 2 Design Description （Optional）第二层设计描述（可选）122.3.1Module name (1) 模块1名称122.3.2Module name (2) 模块2名称132.4Configuration and Control （Opt
4、ional）配置和控制（可选）142.4.1Startup 启动142.4.2Closing 关闭142.4.3Creating MIB Table Item MIB表项的创建142.4.4Deleting MIB Table Item MIB表项的删除142.4.5Modifying MIB Table Item MIB表项的更改142.5Database （Optional）数据库（可选）142.5.1Entity, Attributes and their relationships 实体、属性及它们之间的关系142.5.2E-R diagram 实体关系 图14Table List 表
5、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： 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 pu
6、rpose 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 the 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
7、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 another 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 netw
8、ork organizing mode of the software system in actual environment (usually in drawings).Describes how the software system forms 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
9、 software system to be developed and external entities. Architecture Diagram, Top level DFD (Data-Flow-Diagram) or transaction 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
10、in Procedure of Design Specification) that interact with the software system, or affect the software system in a certain mode, 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,
11、system tools, etc.) of the interaction between external entities and this system. Only the contents that are helpful in the 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 t
12、o the relative documents that describe the software design. For example, an index can be made for the programming guidance 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，OS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
13、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 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,
14、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 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 T
15、echnology 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 Level 1 Design Description第一层设计描述Architecture of the software system shall be described here. 这里
16、要描述软件系统的总体结构。Structure chart, Hierarchical decomposition diagram, natural language can be used to represent the architecture.总体结构描述可以使用结构图，层次分解图，自然语言。2.2.1 Decomposition Description分解描述2.2.1.1 Module/Subsystem Decomposition模块/子系统分解This section describes subsystems ,module in the system.本节描述系统中的子系统和模
17、块。1 Module/Subsystem 1 Description模块/子系统1描述Describe as follows 按照以下格式描述：Identification 标识：Type 类型：Purpose目的：Functions 功能列表：Requirement IDs to implement 要实现的需求ID:Submodules: 子模块：If this module will be further decomposed into submodules, list all submodules here. 如果本模块还要继续划分，列出下属子模块2 Module/Subsystem
18、2 Description模块/子系统2描述2.2.1.2 Concurrent Process Decomposition并发进程处理分解This section describes concurrent processes in the system.本节描述系统中的并发进程。In case of external entities, Subordinates attribute need not be described. 对于外部实体，从属属性不必描述。1 Process 1 Description进程1描述Describe as follows 按照以下格式描述：Identifica
19、tion 标识：Type 类型：Purpose目的：Functions 功能列表：This part describes the functions to be performed in the process. If the function has been described in module decomposition before, description should be made on what functions of the modules are implemented in this process.描述本进程中要完成的功能，如功能已经在前面的模块分解中有描述，则重点
20、描述本进程完成了哪些模块的哪些功能。2 Process 2 Description进程2描述2.2.1.3 Data Decomposition数据分解This section describes data stores in the system.本节描述系统中的数据结构。External data entities shall not be described.外部数据实体不必描述。Describes the global data structure of the system, including: the data directly accessed by decomposed mo
21、dules, and the data structure used in interface of decomposed modules. When describing the data, make sure the data is the global data of the level.本章节描述本系统中用到的全局数据结构，其中至少包括： 各分解模块直接访问的数据，被各分解模块用来在接口中使用的结构。描述数据时要注意该数据是否真正为本级模块分解的公用数据。1 Data Entity 1 Description数据实体1描述Describe as follows 按照以下格式描述：Ide
22、ntification 标识：Type 类型：Purpose目的：2 Data Entity 2 Description数据实体2描述2.2.2 Dependency Description依赖性描述This section describes relationships among the design entities such as subsystems, data stores, modules, and processes etc.本节描述系统中的子系统，数据结构，模块，进程等设计实体间的关系。Structure charts, transaction diagrams, MSC,
23、ER diagram can be used to represent dependences.依赖关系描述可以使用结构图（交互）事务图，消息序列图, ER图。2.2.2.1 Running Design 运行设计This section describes how the modules and the processes of this design level cooperate to perform the functional requirements of the system. MSC, transaction diagrams, Structure charts can be
24、used to represent the running procedure. Note: All the functional requirements in SRS should be covered in the description. For Level 2, Function specification of the module to be decomposed should be covered.本章节描述本层设计的各个模块和进程是如何配合完成系统的功能需求. 可以用消息序列图, (交互)事务图, 结构图等进行描述, 可以按照处理过程进行分节描述, 要注意的是描述的内容应该涵
25、盖所有SRS文档的功能需求, 对于二级设计来讲, 就是要涵盖分解对象模块的功能规格2.2.2.2 Data Dependencies数据依赖关系This section describes relationships among data stores。本节描述数据结构间的关系。ER diagram can be used to represent dependences.依赖关系描述可以使用ER图。2.2.3 Interface Description接口描述This section describes interfaces of the design entities (such as s
26、ubsystem, module, process)that make up the system。本节描述软件系统中设计实体(如子系统，模块，进程）的接口.Interface files, parameter tables can be used to describe Interface.接口描述可以使用接口文件，参数表。In case of external entities, only the interfaces relevant to the software being described need be described.对于外部实体只有同被描述软件相关的接口才需描述。2.2
27、.3.1 Module/Subsystem Interfaces模块/子系统接口This section describes interfaces of Module/Subsystem Interfaces。本节描述模块/子系统的接口。1 Interfaces Provided by Module/Subsystem 1 模块/子系统1提供的接口For interface function, following format should be used:Interface 1:Format:Input:Output:Return: Describes the return value of
28、 the functionDescription: Describes the objective of the interface.对于接口函数，可以采用以下形式描述：接口1：形式：输入：输出：返回：描述返回什么。描述：总体描述该接口实现的目的。2 Interfaces Provided by Module/Subsystem 2 模块/子系统2提供的接口2.2.3.2 Process Interfaces进程接口This section describes interfaces of process。本节描述进程的接口。1 Process 1 Description进程1描述The int
29、erfaces between the processes describe the shared memory, protocol data and messages, etc.进程间的接口主要是描述一些共享内存，协议数据，消息等。Describe as follows 按照以下格式描述：Identification 标识：Type 类型：Purpose目的：Functions 功能列表：2 Process 2 Description进程2描述2.3 Level 2 Design Description （Optional）第二层设计描述（可选）Each entity that is def
30、ined in L1 and identified for further description shall be described by separate sub-sections as mentioned below.L1中定义的每个实体的进一步设计在下面的章节进行描述。This will be repeated for each module as follows (Same as Level 1). The detailed suggestions are also the same as Level 1.对每个模块重复使用下述的格式(和一层设计一样)。具体的编写建议参见第一层设计
31、2.3.1 Module name (1) 模块1名称2.3.1.1 Decomposition Description 分解描述1 Module/Subsystem Decomposition模块/子系统分解1） Module/Subsystem 1 Description模块/子系统1描述2） Module/Subsystem 2 Description模块/子系统2描述*2 Concurrent Process Decomposition并发进程处理分解1） Process 1 Description进程1描述2） Process 2 Description进程2描述*2.3.1.2 D
32、ata Entity Description数据实体描述Describe as follows 按照以下格式描述模块内部使用的多个数据实体：Identification 标识：Type & structure(if applicable) 类型及组成结构（必要的话）：Purpose目的：2.3.1.3 Dependency Description 依赖性描述1 Running Design 运行设计2 Data Dependencies数据依赖关系*2.3.1.4 Interface Description 接口描述1 Module/Subsystem Interfaces模块/子系统接口1）
33、 Interfaces Provided by Module/Subsystem 1 模块/子系统1提供的接口2） Interfaces Provided by Module/Subsystem 2 模块/子系统2提供的接口*2 Process Interfaces进程接口1） Process 1 Description进程1描述2） Process 1 Description进程1描述*2.3.2 Module name (2) 模块2名称*2.4 Configuration and Control （Optional）配置和控制（可选）2.4.1 Startup 启动 Describes
34、the steps to start up a module.描述启动一个模块的步骤2.4.2 Closing 关闭Describes the steps to close a module.描述关闭一个模块的步骤2.4.3 Creating MIB Table Item MIB表项的创建Steps to create a new table item. The title of this section can be modified.创建新表项的动作步骤。该节的标题可以适当更改2.4.4 Deleting MIB Table Item MIB表项的删除Steps to delete a t
35、able item. The title of this section can be modified.删除表项的动作步骤. 该节的标题可以适当更改2.4.5 Modifying MIB Table Item MIB表项的更改Steps to modify a table item. The title of this section can be modified.修改表项的动作步骤. 该节的标题可以适当更改。2.5 Database （Optional）数据库（可选）2.5.1 Entity, Attributes and their relationships 实体、属性及它们之间的关
36、系This section could list all the entities such as data stores, a verbose description of what that entity pertains to and list of all its attributes. For each of the attributes, its database, the data size, specific constraints and a verbose description of that attribute should be specified. All spec
37、ific constraints for that entity and its relationship with other entities should also be noted.本节列出所有的数据存储类的实体，详细描述实体的内容和并列出全部属性。对每个属性，详细描述其数据库、数据大小、特定约束。实体的所有约束及实体间的关系也要注明。2.5.2 E-R diagram 实体关系 图This section should display the E-R diagram for all the entities listed above. 本节描述关于上节提到的所有实体的E-R图List
38、 of reference 参考资料清单：Please list referred literature and related documents, format:请罗列本文档所参考的有关参考文献和相关文档，格式如下：Author + book name (or magazine, literature, document) + publishing company (or issue No., volume No., internal documentation ID) + publishing date + start and end page number,作者书名（或杂志、文献、文档）出版社（或期号、卷号、公司文档编号）出版日期+起止页码
