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  • Alyssa O'Brien

WAN Study Results


The goal of this project was to study the available WAN (wide area network) communication methods, provide a detailed cost benefit analysis of each service including detailed cost benefits of each. This resulted in a through recommendation to the Authority of the best alternatives for secure and reliable communication operational data between each facility and the primary colocation data center in Las Vegas in support of over 800 users, and over 100 business applications. Below is what TMC preformed for the client.

  • Full and complete creation or expansion of documentation of the entire IT network, applications, fail safes, costs and connectivity

  • Analyze WAN communication methods identified and recommend topology for implantation to the Authority

  • Cost estimation and analysis for each identified suitable WAN communication including all elements of CAPEX and 1, 3 and 5-year OPEX modeling

  • Develop a cost analysis to implement including CAPEX and time to implement

  • First Responder category options for use of the FirstNet infrastructure

  • Feasibility and impacts on the different methods or platforms of carrier delivery for expandability and associated costs on all CAPEX and OPEX for expanded topology

  • Final recommendation of implementation plan with full detailed cost estimate

Findings & Savings:

  • PRIs converted to SIP and consolidated: We estimate the reduction to be $82,000/year from converting existing ISDN PRI links to IP/SIP links.

  • Radio reductions: Four AT&T land-trunked radio links four locations, which need to be traced and disconnected. The monthly cost for these is $951/month including taxes and surcharges. This equates to an annual savings of $11,412/year.

  • Term plans: Two CenturyLink/Lumen, diverse paths of 10 Gbps point-to-point Ethernet links are under a one-year term plan. The current SWITCH contract allows for 3-year terms giving a savings of $1,293/month before taxes and surcharges. This equates to an annual savings of $15,516/year plus taxes and surcharges.

  • Term plans: One redundant physical path of 1 Gbps internet link from the Las Vegas colocation data center is currently on a one-year term plan. The current SWITCH contract allows for three-year terms. The savings for this increase to a three-year term should be in the range of $2,190/month giving an estimated savings of $810/month before taxes and surcharges. This equates to an annual savings of $9,720/year plus taxes and surcharges.

  • Analog reduction: Each reduction of an analog circuit saves approximately $120/year.

  • Optimum utilization of the 95% rules: Optimization opportunities and resultant savings, should the move of data to the cloud retention be achieved at the stated 1 hour/night which would allow for potential utilization of the 95% rules of some carriers with that percent further decreasing well below the 95% rule should dual carriers and/or circuits be utilized.

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