Our Network Assessment Services

Network assessments are a very common service in consulting. A traditional network assessment will provide a diagram of the network, information on the ports, addresses, bandwidth, and other criteria as built today, and will identify configuration errors or deficiencies.

NUF’s network assessment service goes beyond these criteria. We believe networks are best designed when they are shaped around the requirements of the user and organization. Our typical assessment can cover many items, listed below.

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  • Situation, Environment and Business
    • Business Purposes
    • Business Requirements
    • Network Growth
    • Forecasted Needs
  • Layer 1
    • Optical Network Characteristics
      • Signal Levels
      • Comparison of as-built docs to existing state to identify failing infrastructure, if available
      • Unrecoverable errors/FEC corrected errors
      • OCM check / optical performance check
    • Copper/Ethernet Network Characteristics Check
      • Buffer overruns
      • CRC errors
      • Collisions
  • Topology Review
    • Protection switching configuration review, i.e. STP, RSTP, PRP, HSR, etc. (if applicable)
    • Logical topology maps and comparison to physical topology, no “scenic” routing
    • Single Point of Failure (SPOF) check - identify key choke points or non-redundant/fate-sharing equipment or facilities
  • Management
    • Review of logs and event data to identify potential hardware or software issues
    • Validate management configurations and external monitoring of all network elements
  • Layer 2
    • Redundant topology - Configuration and review
    • Appropriate use of spanning tree
    • VLANs
    • Ethernet design and feature use
    • Ethernet QoS
    • Security Features
  • Layer 3
    • Routing and switching configuration analysis
    • Errors
    • Protocol best practices
      • IGP (review and recommendations)
        • OSPF
        • External/SPF route configuration appropriateness
      • EGP - BGP (review and recommendations)
        • Peer State (up or down)
        • Policies Applied
        • Consistent/complete iBGP mesh
    • Layer 3 QoS
    • Security Features
  • Network Services
    • DNS configuration/operation check
    • DHCP server configuration/operation check
    • Application use cases by user group such as administration and visitors
    • Identify any special use devices to be connected to the network such as cameras or badge readers
    • IP Addressing review and conflict check
  • Network Performance
    • Packet Loss
    • Jitter
    • Latency
    • Bandwidth Utilization (Industry standard metrics and recommendation for bandwidth along with proper utilization gauge.)
    • Errors
  • Network Operations and Management Review
    • Availability monitoring
    • Device configuration backup and change tracking
    • Physical infrastructure tracking
    • Traffic reporting and analysis
    • Routing topology analysis
    • Miscellaneous tracking not covered by other tools (e.g. VLANs)
  • IP Addressing Review
    • IP address allocation
    • IP address utilization
  • IPv6 Readiness Review, if applicable
    • Equipment capability
    • Address availability
    • Upstream provider availability
    • Operating system support
  • Bandwidth Analysis and Review
    • Measure existing bandwidth use
    • Determine predictions of future bandwidth use, considering the centralization of services
    • Recommend bandwidth additions (or reductions) to meet current and future needs