Basic Network Technology, Structure, and Protocols

In Information Assurance, telecommunications, networks, and Internet
Security are essential. Open Systems Interconnection (OSI) promotes
interoperability across different types of network devices. Transmission
Control Protocol/ Internet Protocol (TCP/IP) allows this
interconnectivity. Security services— authentication, access control,
data confidentiality, data integrity, nonrepudiation, and logging—are
needed to protect networks from attack. Data network types include local
area networks (LAN), wide area networks (WAN), and the Internet,
intranets, and extranets. Devices used for network security include
routers, firewalls, and intrusion detection and prevention systems.
Virtual private networks (VPNs) provide a kind of tunnel through the
Internet that use IP security (IPSec) to perform encryption and
authentication to address the lack of security on IP-based networks.
Case Assignment
This module is about the networks and how they work. The origin of
networks was the DARPA Net funded by the US Defense Department. From
this work the TCP IP framework was developed. Initially this was a
private network for the military and universities and then expanded to
include for profit activities and became called the Internet.
Discuss how the structure of the TCP IP framework has enabled
the expansion of the Internet into a worldwide network. Discuss issues
with this network. Is it big enough? Are enough IP addresses for all?
What is being done under IPV6?
Use information from the modular background readings as well as any
good quality resources that you can find. Please cite all sources and
provide a reference list at the end of your paper.
Length: 5-7 pages typed and double-spaced.

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