subscriber Subscriber satisfaction At risk when the limits of Likely to be higher as a standard CPE performance result of higher level of are reached perceived service through customised installation Chapter Thirteen aperto Figure 13-7: A Typical CPE Installation from Aperto (Courtesy of Aperto Networks Inc.) The cost of installing CPE can be a significant part of the total set-up cost for each new subscriber, and ease of installation is therefore an important consideration in deciding what equipment to use. Backhaul Provision Backhaul facilities (Figure 13-8) will provide the link that connects the network base station through to an Internet gateway - the first onward destination of subscriber traffic. This link will prove easiest to achieve if there are local ISPs or other Internet points-of-presence (POPs) nearby. If a local POP is not available it will be necessary to consider local leased options such as cable or fibre optic providers. In the absence of existing backhaul infrastructure, which may be the situation in remote rural locations, wireless links such as long range point-to-point or satellite options can be investigated. Business Planning While technical planning is the key to the physical performance of a MAN, business planning is the key to turning that technical success into a Implementing Wireless MANs Option a) Point-to-point wireless link to remote POP Option b) Ethernet link to local Internet PoP Figure 13-8: Backhaul Configurations financial success. Although creating a business plan may seem to be a time-consuming effort, that effort will be quickly rewarded by helping to identify any shortcomings that can be more easily, and generally more cheaply, overcome at an early stage in the venture. The four key elements of the business plan are; A description of the business A marketing plan A management and operations plan and A financial plan. Business Description This section of the business plan will provide a simple and clear description of the planned business, setting out its purpose and the