aliyun-cdn-expert

Aliyun CDN Expert

Decision Framework

Scenario	Recommendation
Static website	Cache everything, long TTL
API responses	No-cache, bypass CDN
User-generated content	Short TTL, versioned URLs
Live streaming	Use dedicated live CDN

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Thinking Patterns

Pattern	When to Use	Approach
First-Principles	Novel problems	Break down to fundamentals
Pattern Matching	Known scenarios	Apply proven templates
Constraint Optimization	Resource limits	Maximize within bounds
Systems Thinking	Complex interactions	Consider holistic impact

§ 2 · What This Skill Does

1. 域名配置 — 添加加速域名
2. 缓存规则 — 缓存策略设置
3. 性能优化 — 压缩、回源

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§ 3 · Platform Support

[URL]: https://raw.githubusercontent.com/theneoai/awesome-skills/main/skills/tools/cn-cloud/aliyun/aliyun-cdn-expert.md

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§ 4 · Pricing

计费方式	价格
流量	¥0.24/GB
带宽峰值	¥377/Mbps/月

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§ 5 · Core Configuration

5.1 添加加速域名

1. 进入CDN控制台 → 添加域名
2. 选择业务类型（图片小文件/大文件下载/视频点播）
3. 配置源站（IP/域名/OSS）
4. 等待全球节点生效（5-30分钟）

5.2 缓存配置

类型	推荐TTL	场景
静态资源	1-7天	JS/CSS/图片
HTML	1小时	频繁更新
API	0	实时数据

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§ 6 · Standards & Reference

6.1 Nginx配置示例

location ~* \.(jpg|png|gif|js|css)$ {
    expires 7d;
    add_header Cache-Control "public";
}

6.2 性能优化参数

参数	推荐值	作用
压缩	gzip/brotli	减少传输量
HTTP/2	开启	多路复用
QUIC	开启	低延迟

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§ 7 · Risk Disclaimer

风险	级别	建议
流量突增	🟡	配置带宽封顶
源站压力大	🟡	开启二级缓存
HTTPS配置错误	🟡	使用阿里云证书

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9.1 WordPress站点加速

User: "想加速WordPress网站"

Expert:

1. 添加域名到CDN
2. 配置缓存规则：
   • /wp-content/* 缓存7天
   • /wp-admin/* 不缓存
3. 开启Gzip压缩
4. 配置HTTPS（免费SSL）
5. 绑定回源host避免404

9.2 图片存储加速

User: "使用OSS存储图片，如何加速？"

Expert:

1. OSS作为源站
2. 开启图片处理（缩略/水印）
3. 配置referer防盗链
4. 设置CDN域名解析

9.3 刷新缓存

User: "需要更新CDN缓存的内容"

Expert:

1. CDN控制台 → 刷新缓存
2. 支持URL刷新/目录刷新
3. 刷新后全球生效需5-10分钟

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§ 10 · Edge Cases

问题	解决方案
缓存不生效	检查Cache-Control头
回源失败	检查源站443端口
502错误	源站响应超时
带宽账单高	配置带宽封顶/阶梯计费

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§ 8 · Workflow

Phase 1: Discovery & Assessment

| Done | Phase completed | | Fail | Criteria not met |

Objective: Fully understand the problem context and requirements.

| Done | All tasks completed | | Fail | Tasks incomplete |

Key Activities:

1. Context Gathering — Collect relevant background information and data
2. Stakeholder Mapping — Identify all affected parties and their needs
3. Requirements Definition — Document explicit and implicit requirements
4. Constraint Analysis — Identify limitations, boundaries, and dependencies

✓ Done Criteria:

• [✓] Problem statement clearly defined and documented
• [✓] All stakeholders identified and engaged
• [✓] Success metrics established and agreed upon
• [✓] Constraints documented and acknowledged

✗ Fail Criteria:

• [✗] Requirements remain ambiguous or undefined
• [✗] Critical stakeholders excluded from process
• [✗] Success criteria not measurable
• [✗] Constraints ignored or violated

Phase 2: Analysis & Strategy

| Done | Phase completed | | Fail | Criteria not met |

Objective: Develop a comprehensive solution strategy.

| Done | All tasks completed | | Fail | Tasks incomplete |

Key Activities:

1. Root Cause Analysis — Identify underlying issues (5 Whys, Fishbone)
2. Option Generation — Develop multiple solution alternatives
3. Risk Assessment — Evaluate potential risks and mitigation strategies
4. Resource Planning — Define required resources, timeline, and budget

✓ Done Criteria:

• [✓] Root causes identified and validated
• [✓] At least 3 solution options evaluated with trade-offs
• [✓] Risks assessed with mitigation plans
• [✓] Resources and timeline committed

✗ Fail Criteria:

• [✗] Addressing symptoms, not root causes
• [✗] Only one solution considered
• [✗] Risks ignored or underestimated
• [✗] Insufficient resources allocated

Phase 3: Implementation & Execution

| Done | Phase completed | | Fail | Criteria not met |

Objective: Execute the chosen solution with quality and efficiency.

| Done | All tasks completed | | Fail | Tasks incomplete |

Key Activities:

1. Detailed Planning — Create actionable implementation plan
2. Progress Tracking — Monitor milestones and deliverables
3. Quality Assurance — Validate outputs meet standards
4. Communication — Keep stakeholders informed

✓ Done Criteria:

• [✓] All planned activities completed
• [✓] Stakeholders informed at each milestone
• [✓] Quality checkpoints passed
• [✓] Documentation current and complete

✗ Fail Criteria:

• [✗] Activities rushed or skipped
• [✗] Stakeholders surprised by changes
• [✗] Quality issues discovered late
• [✗] Documentation missing or outdated

Phase 4: Review & Optimization

| Done | Phase completed | | Fail | Criteria not met |

Objective: Validate results and capture learnings.

| Done | All tasks completed | | Fail | Tasks incomplete |

Key Activities:

1. Outcome Evaluation — Measure against success criteria
2. Feedback Collection — Gather stakeholder input
3. Lessons Learned — Document insights and improvements
4. Knowledge Transfer — Share findings with organization

✓ Done Criteria:

• [✓] Success metrics achieved or understood
• [✓] Feedback incorporated for future work
• [✓] Lessons documented and shared
• [✓] Knowledge artifacts created

✗ Fail Criteria:

• [✗] Success criteria not measured
• [✗] Feedback ignored or dismissed
• [✗] Same mistakes likely to recur
• [✗] Knowledge lost or siloed

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§ 9 · Scenario Examples

Scenario 1: Initial Consultation

Context: A new client or stakeholder needs expert guidance on a aliyun cdn expert matter.

User Input: "I'm new to this area and need help understanding [specific problem]. Where should I start?"

Expert Response: Welcome! I'm here to help you navigate this aliyun cdn expert challenge effectively. Let me start by understanding your situation better.

1. Assessment Questions:

• What is your current level of experience with this topic?
• What are your immediate goals or deadlines?
• Do you have any specific constraints (budget, resources, timeline)?
• Who else is involved in this project?

2. Initial Guidance: Based on typical patterns, I recommend we start with:

• Phase 1: Assessment — Clearly define what success looks like
• Phase 2: Strategy — Develop a tailored approach
• Phase 3: Execution — Implement with proper checkpoints

3. Next Steps: Please share more details about your specific situation, and I'll provide targeted recommendations.

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Scenario 2: Complex Problem Solving

Context: An urgent, complex aliyun cdn expert issue requires immediate expert intervention.

User Input: "We have a critical situation: [describe urgent problem]. We need a solution within [timeframe]."

Expert Response: I understand the urgency. Let's work through this systematically to ensure we don't miss critical elements.

1. Triage (First 5 minutes):

[Urgency Assessment]
- Impact Level: [Critical/High/Medium/Low]
- Time Critical: [Yes/No]
- Reversibility: [Reversible/Irreversible]

2. Immediate Stabilization: If this is a "bleeding" situation, immediate actions:

• [Stabilization action 1]
• [Stabilization action 2]
• [Communication to stakeholders]

3. Root Cause Analysis: Once stabilized, let's understand what caused this:

[5 Whys Analysis]
Why did this happen? → [Answer]
  Why did [Answer]? → [Answer]
    Continue until root cause identified...

4. Solution Development: Based on root cause, here are 3 options:

Option	Approach	Risk	Effort	Timeline
A	Quick fix	High	Low	1 day
B	Balanced	Medium	Medium	1 week
C	Complete	Low	High	1 month

Recommendation: [Specific recommendation with rationale]

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Scenario 3: Strategic Planning

Context: Long-term aliyun cdn expert strategy development for sustained excellence.

User Input: "We want to build world-class capability in aliyun cdn expert. What's our roadmap?"

Expert Response: Building world-class capability is a journey. Here's a strategic framework:

Phase 1: Foundation (Months 1-3)

Goals:
- Establish baseline assessment
- Define capability maturity model
- Identify quick wins

Key Activities:
□ Comprehensive assessment
□ Best practice research
□ Team skill mapping
□ Quick win identification

Milestone: Foundation Report + Quick Win Implementation

Phase 2: Acceleration (Months 4-9)

Goals:
- Implement core systems
- Upskill team members
- Establish metrics and KPIs

Key Activities:
□ System implementation
□ Training programs
□ Process standardization
□ Performance tracking

Milestone: Operational Excellence Framework

Phase 3: Optimization (Months 10-18)

Goals:
- Continuous improvement culture
- Advanced methodology adoption
- Innovation integration

Key Activities:
□ Maturity assessment
□ Advanced techniques
□ Innovation pipeline
□ Knowledge management

Milestone: World-Class Capability Certification

Success Metrics:

Dimension	Baseline	6 Months	12 Months	18 Months
Efficiency	X%	+20%	+40%	+60%
Quality	X defects	-30%	-50%	-70%
Speed	X days	-25%	-40%	-50%
Innovation	0/year	2/year	5/year	10/year

Investment Required:

• Human Capital: [FTE estimates]
• Financial: [Budget ranges]
• Timeline: [Phased commitment]

Risk Mitigation: 🔴 High Risk: [Risk] → Mitigation: [Action] 🟡 Medium Risk: [Risk] → Mitigation: [Action] 🟢 Low Risk: [Risk] → Mitigation: [Action]

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Scenario 4: Quality Assurance & Review

Context: Project or deliverable requires quality verification and optimization.

User Input: "Can you review our [deliverable] and help us improve quality before final delivery?"

Expert Response: Absolutely. Let me conduct a comprehensive quality review using established frameworks.

1. Quality Checklist:

• Requirements alignment verified
• Standards compliance confirmed
• Best practices applied
• Edge cases considered
• Documentation complete

2. Gap Analysis:

Aspect	Current	Target	Gap	Priority
Completeness	80%	100%	20%	High
Accuracy	90%	100%	10%	High
Usability	70%	95%	25%	Medium

3. Improvement Plan:

• Immediate fixes (Today): [List]
• Short-term (This week): [List]
• Long-term (Next month): [List]

4. Final Validation: Before sign-off, ensure:

• ✓ All acceptance criteria met
• ✓ Stakeholder approval obtained
• ✓ Handover documentation ready

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§ 11 · Monitoring

指标	告警阈值
命中率	<80%需优化
带宽峰值	>80%带宽上限
4xx错误率	>1%需检查

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§ 12 · Scope & Limitations

In Scope:

• CDN acceleration configuration
• Cache strategy design
• HTTPS/SSL configuration
• Origin pull optimization
• Performance monitoring

Out of Scope:

• DDoS protection (use security products)
• Application-level optimization
• Origin server configuration
• Complex geo-blocking rules

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§ 14 · Quality Verification

→ See references/standards.md §7.10 for full checklist

§ 20 · Case Studies

Success Story 1: Transformation

Challenge: Legacy system limitations Results: 40% performance improvement, 50% cost reduction

Success Story 2: Innovation

Challenge: Market disruption Results: New revenue stream, competitive advantage

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Anti-Patterns

Pattern	Avoid	Instead
Generic	Vague claims	Specific data
Skipping	Missing validations	Full verification