Case Study ACMC Hospital Modularity

This case study is a continuation of the ACMC Hospital case study introduced in Chapter 2.

Case Study General Instructions

Use the scenarios, information, and parameters provided at each task of the ongoing case study. If you encounter ambiguities, make reasonable assumptions and proceed. For all tasks, use the initial customer scenario and build on the solutions provided thus far. You can use any and all documentation, books, white papers, and so on.

In each step, you act as a network design consultant. Make creative proposals to accomplish the customer's business needs. Justify your ideas when they differ from the provided solutions. Use any design strategies you feel are appropriate. The final goal of each case study is a paper solution.

Appendix A, "Answers to Review Questions and Case Studies," provides a solution for each step based on assumptions made. There is no claim that the provided solution is the best or only solution. Your solution might be more appropriate for the assumptions you made. The provided solution helps you understand the author's reasoning and allows you to compare and contrast your solution.

In this case study, you apply the Cisco Enterprise Architecture to the ACMC Hospital network requirements and develop a high-level view of the planned network hierarchy. Complete the following steps:

Step 1 Consider each of the functional areas of the Cisco Enterprise Architecture:

• Enterprise Campus: Including the Campus Infrastructure module (composed of the Campus Core layer, the Building Distribution layer, and the Building Access layer) and the Server farm module

• Enterprise Edge: Including the E-commerce module, the Internet Connectivity module, the WAN and MAN and Site-to-Site VPN module, and the Remote Access and VPN module

• Enterprise Branch

• Enterprise Data Center

• Enterprise Teleworker

Mark up the existing network diagram, provided in Figure 3-37, indicating where each of the modules would be at a high level.

Figure 3-37 Existing ACMC Hospital Network

Figure 3-37 Existing ACMC Hospital Network

Modularity Diagram Hospital

Remote Clinics

Children's Place

Smaller Buildings

Remote Clinics

Children's Place

Smaller Buildings

Step 2 List some key considerations or functions for each of the modules in the Cisco Enterprise Architecture. Indicate whether each module is used in the ACMC Hospital network.

Step 3 Since the time initial discussions with ACMC occurred, the following additional requirements have surfaced:

• The staff needs Internet access for purchasing supplies and reviewing research documents and new medical products.

• There has been some discussion about allowing employees to telecommute.

• ACMC has a web server for a patient communications and community relations service called "Text a Nurse." This for-fee service allows a patient to send a text message to the hospital, requesting medical advice.

How does this new information change the design? Incorporate the changes into your high-level design, and update the list of modules and considerations.

Step 4 Which of the following infrastructure or network services are immediately applicable to your design?

• Security services

• Voice services

• Network management

• High availability

Are there specific locations or modules where some of these services are particularly relevant?

Step 5 Indicate where redundancy should be supported in the design.

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