Một ứng dụng khác có thể cho các địa chỉ tư nhân là một tình huống mà trong đó chỉ có một số hạn chế của người dân Có bất kỳ chi phí hàng tháng hiện tại có thể được thay thế bằng liên kết không dây? Các nhân viên hành chính bệnh viện muốn xem lại các chi phí của mạng không dây so với hiện tại dòng cho thuê Ban system | Designing a Wireless Network Chapter 5 173 applying their technical expertise during the various stages of the network lifecycle. Referred to as the Network Engagement Methodology NEM it is a tool developed by the consultants of Lucent ESS and provides best practices procedures and tools from their most successful you will see in this chapter is the basis for what makes up the final network design the other phases of NEM include business development initiation and definition planning execution and control and finally closeout. This section provides information on the execution and control phase specifically tuned for a service provider network. The execution and control phase has been broken down into five stages plan architect design implement and operate. The next several sections provide a high-level description of what makes up the plan architect and design stages of NEM. Creating the Network Plan Every good network design begins with a well thought out plan. The network plan is the first step in creating a network design. It is where information regarding desired services number of users types of applications and so forth is gathered. This phase is the brainstorming phase during which the initial ideas are put together. The planning stage can be one of the longest segments of a network design because it is dependent on several factors that can be very time consuming. However if each planning step is thoroughly completed the architecture and design stages move along much more quickly. Gathering the Requirements The first and most important step in creating a network plan is to gather the requirements will be the basis for formulating the architecture and design. If a requirement is not identified at the beginning of the project the entire design can miss the intended goal of the network. The requirements include Business Requirements A few examples of possible business requirements are budget time frame for completion the impact
