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wiki/concepts/Solution-Design.md
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---
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title: "Solution Design"
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type: concept
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tags: [CTP, Cloud, AWS, Architecture]
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sources: [ctp-topic-20-program-demand-process-flow-and-poc-onboarding]
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last_updated: 2026-04-14
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---
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## Definition
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解决方案设计(Solution Design)是在 POC 阶段需要完成并经过 Design Authority 审批的架构文档,确保云迁移方案符合云原生原则、安全合规要求和企业的技术标准。
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## Purpose
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- 为云迁移提供经过验证的技术蓝图
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- 确保架构设计满足业务需求和非功能性需求(NFR)
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- 为 Design Authority(Gate 1)审批提供依据
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- 为后续 IaC 实施提供规范文档
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## Key Components
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### 1. Architecture Overview
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- 目标云架构图(VPC 设计、网络拓扑、AZ 分布)
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- 与现有本地环境的集成方案
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- 多账号结构设计
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### 2. Landing Zone Design
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- 基于 Gruntwork 参考架构的 Landing Zone 配置
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- 安全边界和网络分段
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- IAM 角色和访问控制策略
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### 3. Application Migration Design
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- 应用的云迁移策略(Rehost/Replatform/Refactor)
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- 数据迁移方案
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- 依赖关系映射
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### 4. IaC Design
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- Terraform/Terragrunt 模块设计
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- CI/CD 流水线配置
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- 环境一致性策略
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### 5. Security & Compliance
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- 安全基线配置
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- 合规审计规划
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- 数据保护措施
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### 6. Operations Design
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- 监控和可观测性方案
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- 灾难恢复策略
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- 运维流程和 Runbook
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## Design Principles
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- **云原生优先**:充分利用云原生服务,减少 lift-and-shift
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- **安全性内嵌**:安全要求从设计阶段纳入,而非后期添加
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- **IaC 为核心**:所有基础设施变更通过代码管理
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- **可观测性设计**:监控和日志从一开始就规划好
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- **可扩展性**:架构设计应适应未来业务增长
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## Review & Approval Process
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1. **自评审**:解决方案团队内部评审
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2. **安全评审**:安全团队审查合规性
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3. **Design Authority 评审**:核心评审环节,Gate 1 审批
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4. **最终批准**:纳入正式迁移计划
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## Related Concepts
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- [[Proof-of-Concept]]:Solution Design 是 POC 阶段的核心产出
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- [[Gate-Process]]:Solution Design 是 Gate 1 审批的核心交付物
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- [[Landing-Zone-Architecture]]:Solution Design 的基础设施蓝图
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- [[Infrastructure-as-Code]]:Solution Design 的实施手段
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- [[Design-Authority]]:Solution Design 的审批主体
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## References
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- [[ctp-topic-20-program-demand-process-flow-and-poc-onboarding]]
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