About Me
Cisco Certified Architect (CCAr)
1 **Foundation**
1-1 **Networking Fundamentals**
1-1 1 OSI and TCPIP Models
1-1 2 Network Devices and Their Functions
1-1 3 IP Addressing and Subnetting
1-1 4 Routing and Switching Basics
1-1 5 Network Security Fundamentals
1-2 **Enterprise Architecture**
1-2 1 Enterprise Network Design Principles
1-2 2 Network Segmentation and Zoning
1-2 3 Network Services and Protocols
1-2 4 Network Management and Monitoring
1-2 5 Network Automation and Programmability
2 **Design**
2-1 **Network Design Methodologies**
2-1 1 Design Life Cycle
2-1 2 Requirements Gathering and Analysis
2-1 3 Design Documentation and Validation
2-1 4 Design Implementation and Testing
2-1 5 Design Maintenance and Optimization
2-2 **Enterprise Network Design**
2-2 1 Campus Network Design
2-2 2 Data Center Network Design
2-2 3 WAN Design
2-2 4 Wireless Network Design
2-2 5 Security Architecture Design
3 **Implementation**
3-1 **Network Implementation Planning**
3-1 1 Implementation Strategies
3-1 2 Resource Allocation and Scheduling
3-1 3 Risk Management and Mitigation
3-1 4 Change Management
3-1 5 Post-Implementation Review
3-2 **Network Services Implementation**
3-2 1 IP Address Management (IPAM)
3-2 2 DNS and DHCP Implementation
3-2 3 Network Access Control (NAC)
3-2 4 VPN and Remote Access Implementation
3-2 5 Network Security Services Implementation
4 **Operation**
4-1 **Network Operations Management**
4-1 1 Network Monitoring and Performance Management
4-1 2 Fault Management and Troubleshooting
4-1 3 Capacity Planning and Management
4-1 4 Network Change and Configuration Management
4-1 5 Network Compliance and Auditing
4-2 **Network Security Operations**
4-2 1 Incident Response and Management
4-2 2 Threat Detection and Mitigation
4-2 3 Security Information and Event Management (SIEM)
4-2 4 Vulnerability Management
4-2 5 Security Policy Enforcement and Monitoring
5 **Optimization**
5-1 **Network Optimization Techniques**
5-1 1 Traffic Engineering and Load Balancing
5-1 2 Quality of Service (QoS) Implementation
5-1 3 Network Performance Tuning
5-1 4 Energy Efficiency and Green Networking
5-1 5 Network Optimization Tools and Technologies
5-2 **Network Automation and Orchestration**
5-2 1 Network Programmability and Automation
5-2 2 Software-Defined Networking (SDN)
5-2 3 Network Function Virtualization (NFV)
5-2 4 Automation Tools and Frameworks
5-2 5 Continuous Integration and Continuous Deployment (CICD) for Networks
6 **Leadership**
6-1 **Leadership and Management Skills**
6-1 1 Strategic Planning and Vision
6-1 2 Team Leadership and Development
6-1 3 Communication and Stakeholder Management
6-1 4 Financial Management and Budgeting
6-1 5 Project Management and Execution
6-2 **Professional Ethics and Standards**
6-2 1 Ethical Decision-Making
6-2 2 Industry Standards and Compliance
6-2 3 Intellectual Property and Licensing
6-2 4 Professional Development and Continuous Learning
6-2 5 Global and Cultural Awareness
3.1.5 Post-Implementation Review Explained

3.1.5 Post-Implementation Review Explained

Key Concepts

Post-Implementation Review (PIR) is a critical phase in the network lifecycle that assesses the success of the implementation and identifies areas for improvement. Key concepts include:

Performance Evaluation

Performance Evaluation involves assessing the network's operational performance against the predefined objectives and metrics. This includes measuring factors such as uptime, latency, throughput, and user satisfaction. Tools like network monitoring software and performance dashboards are used to gather data.

An analogy for performance evaluation is a car's diagnostic test. Just as a diagnostic test checks the car's performance, performance evaluation checks the network's operational efficiency.

Issue Identification

Issue Identification involves detecting and documenting any problems or anomalies that occurred during or after the implementation. This includes hardware failures, software bugs, and configuration errors. Identifying issues helps in troubleshooting and preventing future occurrences.

Think of issue identification as a health check-up. Just as a health check-up identifies potential health issues, issue identification detects network problems.

Lessons Learned

Lessons Learned involves documenting the key insights and experiences gained during the implementation process. This includes best practices, challenges faced, and strategies that worked well. Lessons learned help in improving future projects and implementations.

An analogy for lessons learned is a post-mortem analysis in sports. Just as a post-mortem analysis reviews a game to improve future performance, lessons learned review the implementation to improve future projects.

Documentation Update

Documentation Update involves revising and updating the network documentation based on the findings from the PIR. This includes updating network diagrams, configuration files, and user manuals. Accurate and up-to-date documentation is essential for future maintenance and troubleshooting.

Think of documentation update as a book revision. Just as a book revision incorporates new information, documentation update incorporates new findings from the PIR.

Stakeholder Feedback

Stakeholder Feedback involves gathering input from all parties involved in the network implementation. This includes users, administrators, and management. Feedback helps in understanding the user experience and identifying areas for improvement.

An analogy for stakeholder feedback is a customer survey. Just as a customer survey gathers feedback on a product, stakeholder feedback gathers input on the network implementation.

Understanding and effectively executing Post-Implementation Review is crucial for ensuring continuous improvement and successful future network implementations. By mastering these concepts, network architects can create robust and efficient network solutions that meet business needs.

© 2024 Ahmed Baheeg Khorshid. All rights reserved.