Smiley Kitchens is a medium-sized company that makes packaged Japanese foods inc

Question

Smiley Kitchens is a medium-sized company that makes packaged Japanese foods including noodle and sauce combinations. Their foods are distributed to grocery stores and specialty food stores throughout Canada, Europe, and the United States. The company is moving into a new building and has hired Network Design Consultants to help them create a new network. Before the move, their head network administrator accepted a job with another company and his inexperienced assistant has been promoted as the head network administrator. Smiley Kitchens has a business and sales unit of 42 computer users. The plant in which the foods are produced, packaged, and shipped has 45 computer users. The company has both Windows Server 2008 R2 and Red Hat Enterprise Linux servers. The business and sales unit uses Windows 7 workstations. The plant users have a combination of Windows 7 and Red Hat Enterprise Linux computers on user’s desktops. The company plans to have Internet connectivity available to all network users. Smiley Kitchens has an outlet store across town, which provides the public with direct sales of its products. The outlet store also has Internet connectivity on a small network of 12 computers that are running Windows 7.

#1:

What protocol do you recommend for this network, and what are its advantages?

#2:

Smiley Kitchens wants to explore the value of converting to IPv6 over the next two years. Write at least two paragraphs that outline the advantages of IPv6.

#3:

DEscribe the differences between IP Classes. Be sure to cover uses and restrictions of each of the classes.

Explanation / Answer

Answer to Q1:

Smiley Kitchens moves to a single building with a business and sales unit and a plant in which the foods are produced, packaged, and shipped. However, Smiley Kitchens has an outlet store outside of the building.

So I recomment a LAN with subsent for the building, a simple LAN for the outlet and a VPN to connect the building with the outlet. They will use TCP/IP protocol for reliable communication with heterogeneous OSs.

Answer to Q2.

IPv6 provides the following advantages over IPv4:

1. Larger Address Space: 128 bits address field comapaed to 32 bits address field in IPv4. That means everything from appliances to automobiles can be interconnected with IPv6.

2. Better Header Format: IPv6 separate base header from optional part which simplifies and speedup the routing process. It allows a chain of headers to add optional components one by one. Thus most of the header parts need not be processed by all the routers.

3. New Options: IPv6 allows the addition of new options easily.

4. Security: The encryption and authentication options in IPv6 provide confidentiality and integrity of the packets.

Answer to Q3:

Different IP classes:

Class      Range      No. of Networks         No of Hosts Per Network          Uses

A              1-126                             126                         16,777,214                     Large Organizations

B              128-191                       16,384                           65,534                       Mid sized Organizations

C              192-223                      2,097,152                          254                          Small Organizations

D              224-239                        NA                                   NA                           Multicasting

E              240-255                        NA                                   NA Reserved for future use

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