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100 Ethernet and Beyond

Introduction

Ethernet (802.3 standard for IEEE) is one of the early types of local area networks (LAN) as from 1980’s. Local area network covers a limited geographical space such as department within an organization, University or company. Apart from Ethernet, there was also the token ring that was employed by the IBM and the token bus that was used by the plant manufacturers. Token ring and token bus were also known as 802.5 and 802.4 standards respectively. Nevertheless, Ethernet has turned out to be the main well-liked type of local area network standard employed in Continue reading...

Net neutrality is a principle which guides how internet users, service, providers, regulators and governments on the way they treat data. Net neutrality states that data on the internet should be treated equally with no price discrimination in regard to content, platform, site, application, and mode of communication or attached equipment. The term Net neutrality was coined by Tim Wu, a professor at Columbia University of Media Law in 2003 as an extension to the common carrier principle (Marsden 5). In the recent past, internet service providers have been accused of violating net neutrality by discriminatively slowing down connection Continue reading...

Introduction

Software defined networking can be described as drastic fresh thoughts in networking that guarantees or assures dramatic simplification of network administration and permit innovation throughout network programmability. This paper describes the technical details of software defined networking with respect to what it does, what it improves, how it changes our technology and the future that comes with it (Nunes 74). The Open Network Foundation defines software defined networking as a network architecture where network control is decoupled from forwarding and is directly programmable (Alaettinoglu 203).

Technical aspects of Software Defined Networking

The software defined network is a group of northbound application interfaces that permits an Continue reading...

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“It is impossible to have an IT modernization discussion that doesn’t include ‘the cloud.’” –Jason Buffington

IT modernization requires that unstructured data be stored using cloud storage technology. This is because this kind of data is the “fastest growing and most voluminous content” (TechTarget, n.d., p. 5). Therefore, it is a necessity that this data be stored in a manner that will not cost “administrative pains” for an enterprise or any individual choosing to use this technology. The four main types of cloud computing deployment models: public cloud storage, private cloud storage, community cloud storage and hybrid cloud storage. The new trends in cloud computing include: mobile interactive applications, parallel batch Continue reading...

Introduction

The Denial-of-Service (DoS) attacks are referred to as the assaults from a single origin that render an online source unavailable for the intended users by trafficking it from plenty of external malicious applications. Such dangerous attacks can seriously disrupt the performances of huge industrial setups, banks, businesses, news websites, etc so that people cannot access their intended information.

Modes of DoS

DoS are possible in a variety of ways. Some of these modes are highlighted below:
Consumption of Limited Resources: Computer networks require plenty of resources for their efficient operation such as bandwidth, memory, processing speed etc. DoS can produce the shortage Continue reading...

Frequency and Amplitude Modulation has been in used for communication lines for many years (Poole, n.d.). During the early stages of wireless communication, frequency modulation (FM) cannot function under circumstances employing narrower bandwidth thus amplitude modulation (AM) is more predominant. Throughout the years of usage of FM and AM, the advantages and disadvantages between these two modulation types have been observed and have been used as basis for appropriate application.
The use of amplitude modulation over frequency modulation has its advantages and drawbacks. AM can be implemented easier, thus it is simpler compared to FM. It can be demodulated Continue reading...

Introduction

As opposed to continuous time capacitor circuits in analog signal processing, Switched Capacitor (SC) circuits find wide range of applications in discrete time signal processing. These circuits function by charging and discharging capacitors with the help of switches to provide flow of charge in desired direction. SC filters are embedded in integrated circuits due to their inherent temperature and voltage characteristics.

A typical SC circuit is equivalent to a discrete time resistance. Consider a simple example of a SC circuit:

Clock pulses are applied on switches to perform transition between two voltage sources shown in the figure. It is made sure that the clock pulses don’t overlap so that the voltage sources are not short circuited. It Continue reading...

The company will be known as 100GB Cloud

Objectives:
100GB cloud has set its three-year goals as follows:
Establish ten-year contracts with at least five small and medium enterprises
Achieve a customer satisfaction rate of at least 95%
Ensure that our service uptime is 99.9%
Mission Statement
100GB Cloud aims to provide its clients with high-quality cloud computing services. 100GB Cloud mission is to help its clients improve their usage of cloud computing and increase their return on investment (ROI) by letting them concentrate on their core business.

Keys to Success

100GB Cloud keys to continuous survival and profitability are:
Obtaining long-term contracts for the provision of cloud computing services.
Continue reading...

Organizations are faced by a lot security challenges that are making them to worry more of what the future of security holds for them. Some of the emerging security technologies that organizations should worry about are as follows; first, is how to secure their virtualized environments by building their data centers. Secondly, organizations should worry on the alternatives ways to deliver security that is coming up with new ways of packaging and delivering security services by deciding on how much control they want to maintain. Another major security concern for the organizations is the information security in a web Continue reading...

This report presents the evolutionary development of the web over the decades since the advent of the internet, some of the various technologies employed in the development of web applications, the current state of the technologies and the future expectations of the technologies with respect to the past and the current state.

Internet emergence and early web development

Internet emergence and early web development
The history and development of internet cannot be discussed without a mention of the Advanced Research Project Agency of the United Sates Department of Defense. The first communication using the Internet Protocol was done on the Advanced Research Project Agency Network ( Continue reading...

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Abstract

The emergence of the Internet as well as different computer hardware, software and technological gadgets enables individuals, private and public offices, schools, hospitals and government units to simplify its transaction and communication through its usage. Individuals are getting accustomed to storing and managing their photos, files and documents online, use social networking sites or webmail instead of maintaining these information through their computers. Businesses are offering products and services online providing convenience to its clienteles and perform business deals with its supplier via online purchasing systems. Such online services and management of Continue reading...

Telehealth technology continues to advance, particularly giving rise to stunning capabilities in medical records-keeping and patient care. Delivery of services especially for the homebound individual devises an entirely new horizon of which Telehealth applications are a key part. The conversation about Telehealth benefits in the medical sphere, is so ubiquitous these days, and some research reports have also discussed its constraints. However, a plethora of exciting news shapes the horizon of Telehealth applications and nursing perspectives are in an ideal position to take note. For example, in the Online Journal of Nursing Informatics, McKnight (2012) explains about an existing Continue reading...

Netiquette means network etiquette. It means following a certain set of rules while communicating over the internet. It incorporates the best practices to be followed while interacting online so as to maintain basic courtesy and accomplish effective communication.

Dos and Don’ts of Netiquette

tHERE ARE CERTAIN GROUND RULES WHEN IT COMES TO MAINTAINING NETWORK ETIQUETTE. tHEY ARE AS LISTED BELOW.
tREAT THE FELLOW NETIZENS IN MANNER AS YOU WANT THEM TO TREAT YOU. uSE POLITE AND COURTEOUS WORDS AND NEVER BE OFFENSIVE. uSE SIMPLE AND CLEAR LANGUAGE SO THAT THE MESSAGE IS NOT MISINTERPRETED ON THE OTHER SIDE.
rESPECT TIME AND BANDWIDTH OF FELLOW Continue reading...

Current situation

The current situation is such that there is no computer network at all in offices and thus the design needs to be done from the scratch.

Design Recommendations

I would like to recommend the following: First is that the modular design to be made should take the form of the hierarchical network structure. Second is that the total design should use network requirements such as virtual private network (VPN), wireless connection, guided cabling such as optic fibre cable and CAT 6 network cables, routers and switches. Others include database servers, email messaging servers with high specifications and hosted services like web, Continue reading...

London Properties

1 Introduction
London Properties has its Headquarters in London and branches in Manchester and Cardiff. To easy communication between its offices, three LAN based Ethernet technology have to be installed. To avoid the most common mistake made by network designers which is the failure to correctly determine the scope of the network design , the design has to be interactive.

A network infrastructure consists of those basic services like Dynamic Host Configuration

Protocol (DHCP), Domain Name System (DNS), and Internet Protocol (IP) address management. Windows Server 2012 provides all these services. New to Windows Server 2012 is a service called IPAM, short for IP address management. IPAM gives an organization a single Continue reading...