implementing sdwan in 19 branches in my office

1. Planning Phase

  • Meet increasing network demands
  • Improve network performance
  • Reduce network costs
  • Enhance network security
  • Identify branch locations
  • Determine branch size and number of users
  • Identify necessary applications and services
  • Determine desired network performance
  • Evaluate current network equipment
  • Check network connectivity and reliability
  • Identify any outdated or unsupported equipment
  • Determine if additional hardware is required
  • Determine current bandwidth usage
  • Identify peak usage times
  • Analyze traffic patterns and types of traffic
  • Determine bandwidth needs for each branch
  • Identify team members and their roles
  • Clearly define responsibilities for each team member
  • Break down the implementation process into phases
  • Determine the duration of each phase
  • Establish milestones for tracking progress
  • Evaluate the costs associated with SDWAN implementation
  • Consider hardware, software, licensing, and maintenance costs
  • Allocate budget for any unforeseen expenses
  • Define testing criteria and objectives
  • Identify the necessary test environments
  • Create test scenarios to validate different use cases
  • Identify critical components that require backup
  • Establish backup frequency and retention policies
  • Define recovery procedures in case of system failure
  • Identify key stakeholders and their communication preferences
  • Determine the frequency and format of communication
  • Establish channels for sharing updates and progress
  • Identify training needs based on staff roles and responsibilities
  • Design training materials and resources
  • Schedule training sessions and provide ongoing support

2. Design Phase

  • Identify all existing network devices and connections in each branch.
  • Map out the planned SDWAN devices and their connections in the network diagram.
  • Include WAN links, LAN switches, routers, and SDWAN appliances in the diagram.
  • Evaluate the network traffic patterns and determine the optimal location for SDWAN devices.
  • Consider factors such as WAN link capacity, branch size, and network congestion.
  • Ensure each branch has at least one SDWAN device for redundancy and load balancing.
  • Identify critical applications and assign them higher priority in the QoS policies.
  • Consider factors such as voice and video conferencing, ERP systems, and cloud applications.
  • Allocate appropriate bandwidth and prioritize traffic based on application requirements.
  • Assess the current security infrastructure and identify any gaps or vulnerabilities.
  • Determine the required firewall configurations for each branch to protect against threats.
  • Implement encryption protocols such as IPsec or SSL VPN to secure data transmission.
  • Implement dual internet connections in each branch for redundancy.
  • Configure SDWAN devices to monitor link health and automatically failover to the backup connection.
  • Design a failover strategy that minimizes downtime and ensures seamless network connectivity.
  • Choose a routing protocol for each branch
  • Configure the routing protocol on each branch device
  • Ensure proper routing table updates between branches
  • Set up tunnels between branches
  • Implement segmentation to separate traffic
  • Define traffic engineering policies for optimal use of bandwidth
  • Monitor application performance
  • Identify bandwidth requirements for each application
  • Implement traffic-shaping policies to prioritize critical traffic
  • Evaluate the need for redundant connections
  • Consider load balancing options
  • Ensure scalability for future growth
  • Identify backup links or alternative routes
  • Implement failover mechanisms
  • Test the backup plan regularly
  • Set up remote access to SDWAN devices
  • Implement monitoring tools
  • Define procedures for remote troubleshooting

3. Procurement and Testing Phase

  • Research and identify the specific hardware, software, and licenses needed for SDWAN implementation in each branch.
  • Submit purchase orders for the required SDWAN hardware, software, and licenses for each branch.
  • Ensure that the procurement process follows the organization's guidelines and budgetary constraints.
  • Design and configure a dedicated test environment to simulate the actual branch network environment.
  • Install and connect the SDWAN devices in the test environment according to the manufacturer's guidelines.
  • Verify that the SDWAN devices can communicate with each other and other test components.
  • Create test cases to cover different traffic routing scenarios, including different types of applications and bandwidth requirements.
  • Simulate failover scenarios by disconnecting primary links and verifying automatic failover to backup links.
  • Monitor and analyze the performance of the SDWAN solution during the testing phase.
  • Compare the actual performance of the SDWAN solution against the performance requirements defined in the planning phase.
  • Identify any performance gaps or issues and document them for further analysis and resolution.
  • Ensure that the SDWAN solution can handle the expected network traffic load without degradation.
  • Review the existing network management systems and identify the integration points with SDWAN.
  • Configure the SDWAN solution to seamlessly integrate with the existing network management systems.
  • Test the integration to ensure proper monitoring, reporting, and management of the SDWAN solution.
  • Review current network infrastructure
  • Identify necessary upgrades or modifications
  • Consult with network team or vendor for recommendations
  • Create a detailed plan for each branch deployment
  • Consider resource availability and scheduling constraints
  • Define milestones and deadlines
  • Test connectivity from end-user devices
  • Ensure proper configuration and access permissions
  • Resolve any access issues or conflicts
  • Access each branch's network devices
  • Create backups of existing configurations
  • Store backups securely for future reference
  • Create a comprehensive documentation
  • Include step-by-step procedures for common tasks
  • Update documentation as needed

4. Deployment Phase

  • Determine the order in which branches will be deployed.
  • Allocate specific timeframes for each branch deployment.
  • Consider any dependencies or constraints that may impact the schedule.
  • Physically install SDWAN devices in the designated locations.
  • Connect the devices to the appropriate network ports.
  • Configure the devices with the necessary settings specified in the network diagram.
  • Ensure the SDWAN devices are powered on and connected to the network.
  • Configure the devices to establish a connection with the central SDWAN controller.
  • Verify connectivity by checking the status of the connection.
  • Access the SDWAN devices' management interface.
  • Navigate to the QoS section and configure the desired policies.
  • Navigate to the security settings section and configure the necessary parameters.
  • Initiate a test traffic flow from each branch to the central SDWAN controller.
  • Verify that the traffic is being correctly routed and prioritized.
  • Check for any errors or issues in the SDWAN connection logs.
  • Connect branch 1 local network to SDWAN controller
  • Connect branch 2 local network to SDWAN controller
  • Connect branch 3 local network to SDWAN controller
  • ...
  • Identify and troubleshoot any deployment issues
  • Resolve any issues that arise during deployment
  • Identify all network devices and connections in each branch
  • Document the new SDWAN architecture in the network diagrams
  • Ensure the diagrams accurately represent the physical and logical connections
  • Schedule training sessions for all staff members involved in network management
  • Cover topics such as SDWAN configuration, troubleshooting, and monitoring
  • Provide hands-on practice and create user guides for reference
  • Install network monitoring tools in each branch
  • Configure the tools to collect performance and traffic data from the SDWAN network
  • Regularly review the collected data to identify any issues or anomalies
  • Create a test plan that includes various scenarios and use cases
  • Simulate real-world traffic and monitor how the SDWAN network handles it
  • Document and address any issues or failures encountered during the tests

5. Monitoring and Optimization Phase

  • Install and configure network monitoring software on all SDWAN devices.
  • Set up alerts and notifications to receive real-time updates on network performance.
  • Ensure that the monitoring tools are integrated with the SDWAN solution for seamless monitoring.
  • Collect and analyze network traffic data from each branch for a specific time period.
  • Identify the average bandwidth usage, latency, and packet loss for the baseline.
  • Document the baseline performance metrics for future comparison and optimization.
  • Review the network performance reports generated by the monitoring tools.
  • Analyze metrics such as bandwidth utilization, latency, jitter, and packet loss.
  • Identify any anomalies or patterns that indicate potential bottlenecks or issues.
  • Identify the areas of improvement based on the network performance analysis.
  • Make necessary adjustments to the SDWAN configurations to optimize performance.
  • Test and validate the impact of configuration changes on network performance.
  • Organize training sessions to educate IT staff and end-users about SDWAN features and best practices.
  • Offer ongoing support and assistance to address any queries or issues related to SDWAN usage.
  • Keep the IT staff and end-users updated with the latest SDWAN enhancements and improvements.
  • Set up a schedule for regular software updates for the SDWAN solution
  • Ensure that updates are tested in a lab environment before deploying to production
  • Document the update process and any associated risks
  • Review and update network device configurations to align with SDWAN solution requirements
  • Implement a change management process to track and document any changes made to network devices
  • Regularly review and update the device inventory and configuration documentation
  • Design and implement a test plan for the SDWAN solution
  • Regularly execute the test plan to identify any potential issues or vulnerabilities
  • Document and address any issues identified during testing
  • Set up monitoring tools to track the performance and availability of the SDWAN solution
  • Create alerts and notifications to quickly identify and respond to any issues
  • Implement a process for troubleshooting and resolving issues
  • Define a maintenance schedule for regular activities like backup, log review, and system health checks
  • Document the maintenance tasks and procedures
  • Regularly review and optimize the SDWAN solution based on performance data and user feedback

6. Documentation and Maintenance Phase

  • - Create a detailed document outlining the step-by-step process of implementing SDWAN in each branch.
  • - Include all configurations and settings used during the implementation process.
  • - Compile a list of all SDWAN devices installed in each branch.
  • - Document the licenses and warranties associated with each device.
  • - Schedule regular firmware updates for all SDWAN devices.
  • - Plan and implement a patch management strategy to ensure devices are up to date.
  • - Conduct regular security audits to identify potential vulnerabilities.
  • - Take necessary actions to address any identified security issues.
  • - Regularly review and update the SDWAN implementation documentation.
  • - Document any changes or expansions made to the SDWAN network.
  • Schedule training sessions for all personnel involved in SDWAN system operations and maintenance
  • Provide training materials and resources for personnel to refer to
  • Conduct hands-on training sessions to ensure personnel understand the SDWAN system
  • Offer ongoing support and additional training as needed
  • Identify a secure location or backup server to store configurations and settings
  • Implement an automated backup system to regularly backup configurations and settings
  • Test the backup system to ensure it is functioning correctly
  • Document the backup process and schedule regular reviews to ensure backups are up to date
  • Identify potential risks and vulnerabilities that could lead to system failure
  • Determine recovery objectives and prioritize critical components to focus on during recovery
  • Create a step-by-step plan outlining the actions to be taken in the event of system failure
  • Regularly test and update the disaster recovery plan to ensure its effectiveness