Eastern Technology Fund

Archive for the ‘Network’ Category

A good network security ensures that your company meets the mandatory regulatory compliance because network security helps protect sensitive data and reduces the risk of legal action from affected parties due to data theft. Small business network security also saves your company a lot of embarrassment by not getting bad media attention that follows any security breach, it also protects from unwanted (and usually expensive) disruptions. Ultimately, network security ensures the protection of your most important asset – your business reputation. This article explains the concept of network security in simple lay terms.

In short, network security services measures are implemented to protect the computers in your office by ensuring their integrity, reliability, usability and safety of your computer network and data. Effective network security targets a variety of threats and stops them from entering or spreading on your network.

Computer Network Security concepts

Network security starts from authenticating the user, commonly with a username and a password. Since this requires just one thing besides the user name, i.e. the password which is something you ‘know’, this is sometimes termed one factor authentication. With two factor authentication something you ‘have’ is also used (e.g. an ATM card, or your mobile phone), or with three factor authentication something you ‘are’ is also used (e.g. a fingerprint).

When computer networks are operating well, that we have a tendency to hope is normally, the inner workings of the system modules are clear to the typical user. The most common parts on a laptop network, not counting cables, are “routers”, “hubs”, and “switches”. Several of these modules can be similar cosmetically. Every assembly typically has Ethernet connectors (RJ45, which looks like an oversized phonephone plug) and LED indicators. However, these modules operate differently, and it’s important to understand the differences.

Modern network hardware operates on the “Open System Interconnection” (OSI) standard. This customary defines how communications on a network should be implemented. By conforming to the present normal, modules from different manufacturers will coexist on the identical network. Wireless networks (WiFi) and therefore the 802.11X customary are a further subset of network systems.

When a message is sent between computers, it’s broken into parts. At the bottom level, the message is reduced to “1″ and “zero” bits. The following level could be a group of bits called a “frame”. A frame contains its management info, as well as target address and error detection. The next level could be a cluster of frames called a “packet”. The terms frame and packet are sometimes used interchangeably. If a message is sent on a complex network just like the Net, a number of the packets might take a different path, and be recombined at the destination.

If you have not decided already, you will soon want to network your two or more computers in your home. You want to be armed to the teach with knowledge of just what it takes to connect your computers to one another. You first should decide which network is best your you. If your computers are in the same room, the Wireless network should not be considered. The wired by cable network should work just fine. Computer that may be close to each other but cannot be seen may and have phone jacks close by can easily be networked with the HomePNA Network. While PCs that are far from each other can be connected with the powerline network, assuming wall outlets are nearby. And when there are computers in different rooms and you want the convenience of moving the systems from room to room, the more expensive Wireless Network is the way to go. After you decide on the type of network that is best for you, knowing what components you’ll need to purchase will be a great help. Let’s take a look at each network and the components needed to get it up and running.

The WIRED ETHERNET NETWORK

Today’s erratic economic conditions and incredible supply chain dynamics are causing manufacturing and distribution companies to increasingly turn to supply chain network design and optimisation as a strategic and tactical solution to help them satisfy customer demand, improve overall corporate performance and remain relevant in the volatile global marketplace. Being faced with continuous challenge to compete and succeed in today’s marketplace, companies just can’t afford not to explore the potential of network design and optimisation.

Designing a supply chain network is an essential process of evaluating alternative supply chain strategies and selecting the one that maximizes profitability and helps improve performance at each link in the supply chain. If delivered successfully, a network re-design and optimisation project promises to drastically improve a company’s supply chain performance in a variety of areas:

* Reduced supply chain costs
* Reduced transportation costs
* Reduced inventory levels
* Improved product margins
* Increased manufacturing throughput
* Improved customer service
* Better return on assets

The optimisation process is done through network design modeling, which provides powerful decision support functionality to understand complex supply chain relationships.

Typical Network Design Problems

The question to ask yourself is does your supply chain network optimally support the business model and objectives? If you hesitate to answer, you might want to consider supply chain network re-design and optimisation as a way to tackle the most challenging supply chain dilemmas your organization may face.

Introduction of 802.11:

“Wireless LANs opens new possibilities for LAN users, which are mainly terminal mobility and easy reconfiguration. In general, wireless LANs has the following advantages”: [J.H.Schiller,2000]

Flexibility: If WLAN nodes are within the network coverage area then they can communicate with each other without major limitations in terminal location. It is not important for the terminals to remain visible to each other. If the frequency of electro magnetic waves is not too high then the walls and other typical obstacles in an indoor environment are mostly penetrated. Simplified planning:  Configuring a ad hoc network is not necessary and the network deigning part is related to radio engineering. Possibility of a temporary network configuration: Networks which are needed temporarily can be set up using wireless communication. (E.g. during large international exhibitions, sport contests, etc).

“WLANs also have some disadvantages. Most of them are the result of using a radio channel as a signal propagation medium. The main disadvantages are the following”: [Hazysztof Wesolowshi, 2002]

Lower transmission quality as compared with wire line LANs: 10^-3 – 10^-4 is the order of error in the radio channel or it can be worse than this. To achieve higher quality FEC or ARQ techniques are necessary. For comparison, the error rate for transmission over an optical fibre channel is at most 10^-10. Lower safety and security: The information transmitted on radio channel can be easily intercepted when compare to wireline LANs. If WLAN is used inappropriately then it can become a source of interference for other sensitive devices such as medical equipment. Wireless LANs rarely work independently of other networks and, wireless transmission is used to access a wire line network.

A neural network also known as an artificial neural network provides a unique computing architecture whose potential has only begun to be tapped.  They are used to address problems that are intractable or cumbersome with traditional methods.  These new computing architectures are radically different from the computers that are widely used today.  ANN’s are massively parallel systems that rely on dense arrangements of interconnections and surprisingly simple processors (Cr95, Ga93).

Artificial neural networks take their name from the networks of nerve cells in the brain.  Although a great deal of biological detail is eliminated in these computing models, the ANN’s retain enough of the structure observed in the brain to provide insight into how biological neural processing may work (He90).

Neural networks provide an effective approach for a broad spectrum of applications.  Neural networks excel at problems involving patterns, which include pattern mapping, pattern completion, and pattern classification (He95).  Neural networks may be applied to translate images into keywords or even translate financial data into financial predictions (Wo96).

Neural networks utilize a parallel processing structure that has large numbers of processors and many interconnections between them.  These processors are much simpler than typical central processing units (He90).  In a neural network, each processor is linked to many of its neighbors so that there are many more interconnections than processors.  The power of the neural network lies in the tremendous number of interconnections (Za93).

ANN’s are generating much interest among engineers and scientists.  Artificial neural network models contribute to our understanding of biological models.  They also provide a novel type of parallel processing that has powerful capabilities and potential for creative hardware implementations, meets the demand for fast computing hardware, and provides the potential for solving application problems (Wo96).

Neural networks excite our imagination and relentless desire to understand the self, and in addition, equip us with an assemblage of unique technological tools.  But what has triggered the most interest in neural networks is that models similar to biological nervous systems can actually be made to do useful computations, and furthermore, the capabilities of the resulting systems provide an effective approach to previously unsolved problems (Da90).

Neural network architectures are strikingly different from traditional single-processor computers. Traditional Von Neumann machines have a single CPU that performs all of its computations in sequence (He90). A typical CPU is capable of a hundred or more basic commands, including additions, subtractions, loads, and shifts. The commands are executed one at a time, at successive steps of a time clock. In contrast, a neural network processing unit may do only one, or, at most, a few calculations. A summation function is performed on its inputs and incremental changes are made to parameters associated with interconnections.  This simple structure nevertheless provides a neural network with the capabilities to classify and recognize patterns, to perform pattern mapping, and to be useful as a computing tool (Vo94).

The processing power of a neural network is measured mainly be the number of interconnection updates per second.  In contrast, Von Neumann machines are benchmarked by the number of instructions that are performed per second, in sequence, by a single processor (He90).  Neural networks, during their learning phase, adjust parameters associated with the interconnections between neurons.  Thus, the rate of learning is dependent on the rate of interconnection updates (Kh90).

Neural network architectures depart from typical parallel processing architectures in some basic respects.  First, the processors in a neural network are massively interconnected.  As a result, there are more interconnections than there are processing units (Vo94).  In fact, the number of interconnections usually far exceeds the number of processing units.  State-of-the-art parallel processing architectures typically have a smaller ratio of interconnections to processing units (Za93).  In addition, parallel processing architectures tend to incorporate processing units that are comparable in complexity to those of Von Neumann machines (He90).  Neural network architectures depart from this organization scheme by containing simpler processing units, which are designed for summation of many inputs and adjustment of interconnection parameters.

The two primary attractions that come from the computational viewpoint of neural networks are learning and knowledge representation.  A lot of researchers feel that machine learning techniques will give the best hope for eventually being able to perform difficult artificial intelligence tasks (Ga93).

Most neural networks learn from examples, just like children learn to recognize dogs from examples of dogs (Wo96).  Typically, a neural network is presented with a training set consisting of a group of examples from which the network can learn.  These examples, known as training patterns, are represented as vectors, and can be taken from such sources as images, speech signals, sensor data, and diagnosis information (Cr95, Ga93).

The most common training scenarios utilize supervised learning, during which the network is presented with an input pattern together with the target output for that pattern.  The target output usually constitutes the correct answer, or correct classification for the input pattern.  In response to these paired examples, the neural network adjusts the values of its internal weights (Cr95).  If training is successful, the internal parameters are then adjusted to the point where the network can produce the correct answers in response to each input pattern (Za93).

Because they learn by example, neural networks have the potential for building computing systems that do not need to be programmed (Wo96).  This reflects a radically different approach to computing compared to traditional methods, which involve the development of computer programs.  In a computer program, every step that the computer executes is specified in advance by the network.  In contrast, neural nets begin with sample inputs and outputs, and learns to provide the correct outputs for each input (Za93).

If you really want to Make Money Online the correct and affordable way then The Affiliate Way Network is the place to be. The Affiliate Way Network was created by Tawn Smith an Internet Network Marketer that has clearly paved the way of online training. He provides the opportunity to learn how to make money online for free without spending thousands of dollars on programs that don’t work. Most online gurus charge you a ridiculous fee and only provide theories and more upsells. The Affiliate Way Network provides free info, ideas, tools, services, and much more.

The Affiliate Way Network will show you how to create an online business from scratch. If you have a business, we will show you how to grow and promote your business online and offline. In this new age of marketing, if you can’t adapt, you could lose a lot of business and The Affiliate Way Network will show you how to tap into different methods of advertising. The Affiliate Way Network takes you by the hand and gives a step by step process of how to become successful online. Learn the 5 Steps To Online Success which is a free report that is provided once you visit the site. Here is a list of topics that we preach and train: article marketing, email marketing, social networking, video marketing, seo, web design, copy writing, pay per click, blogging, press releases, and many others. Video tutorials are also provided on every topic we discuss.

There are millions of people earning money in network marketing and the numbers show it. In 2003, U.S. total direct selling sales totaled more than billion, or almost 1% of the over ,397 billion for total U.S. retail sales (U.S. Census Bureau).  With all these opportunities to be your own boss, you might ask,  “Where do I begin?”

First you should check out the business that you are interested in. You should do this by speaking directly with a successful leader in the company.

Besides asking questions about the products and the how much money you can earn, find out who is going to help you with training, marketing, and who will be there for you when you need advice or unexpected help.

Being part of the network marketing society is more about friendship and leadership than many people know. Leaders in the industry did not get that way by accident: some people are born leaders who thrive in the position and apply know-how by experience: They know what to do when a problem arises and exactly how to remedy situations- they are creative thinkers and 95% of the population needs a great leader.

An important point to help you understand, people in network marketing need leadership just like employees have upper management to rely on to make crucial decisions, motivate the team with positive reinforcement, and face each individual at their level to support them raise them up to try to meet their financial goals.

Adoption Network Law Center – ANLC

Despite myths to the contrary, domestic newborn adoption remains alive and well in the United States. Current estimates of the annual number of infants adopted domestically (excluding foster and relative adoption) range from 25,000 to 30,000—more than all international adoptions combined. Moreover, the process can go much more swiftly that you might imagine. In a 2008 Adoptive Families survey, the majority of respondents were matched with a birthmother in less than 12 months, and 19% got “the call” to travel after the baby had already been born, without a prematch.

ANLC is a law center, not an agency, facilitator or law firm.

In most U.S. newborn adoptions, adoptive parents are selected by the birthparents of the child, and, in at least half of the cases, the birthparents and adoptive parents have met. Domestic adopters usually appreciate the opportunity to build a relationship with their child’s birth family. Ongoing contact is increasingly common, but the extent of contact varies significantly. A baby cannot legally be relinquished before birth. Most experts advise prospective adoptive parents to be careful about making an emotional commitment to a potential birthmother too early in her pregnancy.

Depending on the situation, and the laws of the state where the family lives and where the baby is born, prospective adoptive parents may cover some of the living and medical expenses of the birthmother.

My name is Tawn also known as The Affiliate Way Network.  Its funny how many emails I get asking what in the world is The Affiliate Way Network.  To be honest it’s a long story that I really don’t like explaining because I don’t want to bore people.  Now, its important for me to explain because this has been a life changer for my family and I.

About 3 years ago I was working for Countrywide Home Loans making a nice living as a single man.  The Mortgage/Real Estate industry was my life which I held many positions in different departments over a 9 year period.  My positions were IT Support Specialist, Software Trainer, Morgage Closer, Mortgage Processor, Mortgage Underwriter, and a Post Sale Foreclosure Rep.  I would travel the world every week working in different cities and I loved every minute of it.  I had the power and cash to pretty much do what I wanted to do.  That all changed once the refi boom ended.