Cisco Certified Design Expert (CCDE)
1 Network Design Fundamentals
1-1 Network Design Principles
1-2 Network Design Lifecycle
1-3 Network Design Methodologies
1-4 Network Design Best Practices
2 Enterprise Architecture and Design
2-1 Enterprise Network Architecture
2-2 Network Segmentation and Micro-Segmentation
2-3 Network Virtualization
2-4 Software-Defined Networking (SDN)
2-5 Network Function Virtualization (NFV)
3 Network Infrastructure Design
3-1 Physical Network Design
3-2 Logical Network Design
3-3 Network Addressing and Naming
3-4 Network Topology Design
3-5 Network Redundancy and Resilience
4 Network Services Design
4-1 Routing and Switching Design
4-2 Wireless Network Design
4-3 Network Security Design
4-4 Network Management and Monitoring
4-5 Quality of Service (QoS) Design
4-6 Network Automation and Orchestration
5 Data Center Design
5-1 Data Center Architecture
5-2 Data Center Network Design
5-3 Storage Area Network (SAN) Design
5-4 Data Center Security
5-5 Data Center Virtualization
5-6 Data Center Automation
6 Cloud and Hybrid Network Design
6-1 Cloud Network Architecture
6-2 Hybrid Network Design
6-3 Cloud Security Design
6-4 Cloud Automation and Orchestration
6-5 Multi-Cloud and Hybrid Cloud Strategies
7 Network Design Implementation and Optimization
7-1 Network Design Implementation
7-2 Network Optimization Techniques
7-3 Network Performance Tuning
7-4 Network Troubleshooting and Diagnostics
7-5 Network Design Documentation
8 Network Design Governance and Compliance
8-1 Network Design Governance
8-2 Regulatory and Compliance Requirements
8-3 Network Design Auditing
8-4 Network Design Change Management
8-5 Network Design Risk Management
9 Emerging Technologies and Trends
9-1 Internet of Things (IoT) Network Design
9-2 5G Network Design
9-3 Artificial Intelligence (AI) in Network Design
9-4 Blockchain in Network Design
9-5 Edge Computing Network Design
8.1 Network Design Governance

8.1 Network Design Governance

Network Design Governance is a critical aspect of managing and overseeing network design processes to ensure they align with organizational goals, policies, and standards. Below, we explore key concepts related to Network Design Governance, providing detailed explanations and examples to enhance understanding.

1. Policy Development

Policy Development involves creating and maintaining a set of guidelines and rules that govern network design activities. These policies ensure that network designs are consistent, secure, and compliant with industry standards and regulations.

Example: A company might develop a network design policy that mandates the use of specific security protocols, such as encryption and access controls, for all network designs. This ensures that all network designs adhere to the same security standards, reducing the risk of vulnerabilities.

2. Standards and Compliance

Standards and Compliance involve adhering to industry standards and regulatory requirements in network design. This includes ensuring that network designs meet specific performance, security, and interoperability standards.

Example: A financial institution's network design must comply with PCI DSS (Payment Card Industry Data Security Standard) regulations. This involves implementing specific security measures, such as encryption and secure access controls, to protect sensitive customer data.

3. Risk Management

Risk Management involves identifying, assessing, and mitigating risks associated with network design. This includes evaluating potential threats, vulnerabilities, and impacts on the organization.

Example: During the design phase, a network team might identify a potential risk of a single point of failure in the network architecture. To mitigate this risk, the team might implement redundancy measures, such as backup links and failover mechanisms, to ensure continuous operation.

4. Change Management

Change Management involves controlling and documenting changes to the network design. This includes evaluating the impact of changes, obtaining approval, and ensuring that changes are implemented correctly and efficiently.

Example: A network administrator might propose a change to upgrade network hardware. The change management process involves assessing the impact of the upgrade, obtaining approval from stakeholders, and documenting the change for future reference.

5. Performance Monitoring and Reporting

Performance Monitoring and Reporting involve continuously monitoring network performance and generating reports to assess the effectiveness of network designs. This includes tracking key performance indicators (KPIs) and providing insights for improvement.

Example: A network monitoring tool might track metrics such as bandwidth utilization, latency, and packet loss. Regular reports can highlight areas where performance can be improved, such as optimizing traffic flow or upgrading network components.

6. Governance Framework

Governance Framework involves establishing a structured approach to managing network design governance. This includes defining roles and responsibilities, processes, and tools to ensure effective governance.

Example: A governance framework might define roles such as Network Design Lead, Compliance Officer, and Risk Manager. It might also outline processes for policy development, risk assessment, and change management. Tools like project management software and compliance tracking systems can support these processes.

7. Continuous Improvement

Continuous Improvement involves regularly reviewing and updating network design governance practices to incorporate new technologies, best practices, and lessons learned. This ensures that governance remains effective and adaptable to changing requirements.

Example: A network team might conduct regular reviews of network design governance practices, identifying areas for improvement. Based on these reviews, the team can implement new technologies, such as SDN (Software-Defined Networking), to enhance network flexibility and security.

Understanding these key concepts of Network Design Governance is essential for ensuring that network designs are aligned with organizational goals, policies, and standards. By focusing on policy development, standards and compliance, risk management, change management, performance monitoring and reporting, governance framework, and continuous improvement, organizations can effectively manage and oversee network design processes.