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The Authority currently uses a MPLS WAN made up of fibre circuits (see MPLS LOCATIONS below) with varying bandwidths, ranging from 10Mbps to 1000Mbps on varying bearers. We require a /29 subnet at each site. The devices and systems within the internal LAN are a culmination of switches, computers, AP's, Servers and some small scale CCTV systems. The number of devices connected will vary depending on the size of the site. The Head Office at Myddelton House will have the most with approx. 300 devices connected. Our current handoff is Ethernet. The Authority currently has an on-premise server estate spread across two locations (data centre and at Head Office). As part of this tender we want to move to a fully virtualised environment as this will provide improved resilience and reliability. We are now looking for a turnkey solution for a new secure Wide Area Network with and virtualising our server estate onto a hosted cloud platform. In terms of bandwidth requirements, we require scalable bandwidth ranging from a minimum of 100Mbps and maximum of 1000Mpbs bearer across our estate. See table 1 in Appendix A for full details. We host ad-hoc events at some of the locations of varying durations. It is therefore important that we have the ability to increase and decrease bandwidth as and when required without penalty charges or admin fees via a self-service portal. Table 1 below sets out our required circuits and bandwidth provision. We are looking for the capability for allowing remote users to access the WAN via IPsec VPN. The max concurrent VPN users is 100. We currently have an Active/Passive setup so would not be looking to change this; but are looking for the bidder to provide a solution that meets the needs as set out in the specification and that is the most effective in terms of cost and resilience. In terms of servers, we have hardware at our existing COLO so plan is to move physical server infrastructure to a virtualised PaaS/IaaS platform. The successful tenderer will be required to manage this as part of the turnkey solution.