Cabling your home for computer network - still a requirement?

Cabling your home for computer network - still a requirement?

With proliferation of wireless networking and communication equipment it is oh-so-tempting to cut the cord and save a significant sum of money in the process. But is everything that a regular computer networking user needs can be done using just wireless network? Let’s take a look at some pros and contras:

1. One important advantage of having a cabled network is the available bandwidth or simply speed. At the present point in time the speed of connection via a simple and inexpensive CAT5E cable can be 1000Mbit/sec, whereas the best that IEEE802.11g (one of the many flavors of Wi-Fi) can offer is only 54Mbit/sec. It may not seem so significant if you think you are only browsing Internet, and the DSL speed available to you is 1.5Mbit/sec. However, if you need to print via your network connection on a remote printer, you should realize that the print jobs, depending on the amount of graphic data in them, can easily reach dozens and even hundreds megabytes. Since 1Byte=8bit one 100MByte print job will take 15 seconds (and in reality this time can be much longer) to transmit via a Wi-Fi wireless connection, and this time shrinks to mere 1 sec or less on wired 1000MBit/s Ethernet connection. Same principal applies to transferring files, backing up files on other computers in the network etc.

2. It is not possible today and with all probability will not be possible in the future to transmit power needed for your networking device via the wireless link. Unless, of course, you would be willing to be subjected to very high levels of microwave radiation. Thus a device that was marketed to you as “un-tethered” will in fact be very much tethered via the power cord or will have to be re-charged every so often. The power requirements are increasingly important for devices that are expected to be always online, such as phone sets. Therefore it is best to have it connected via a cable that can deliver both power and the communication signal at the same time.

3. Wireless communications are very much proprietary and require whole gamut of conversion equipment to transmit multi-media signals. The same CAT5E cable can without any modification support phone, computer network, balanced line level audio signal, baseband video signal as well as host of other, more specialized, control applications’ signals. With inexpensive adapters called “baluns” the same cable can carry significant number of channels of broadband television or carry a baseband video, such as security camera output, through great distances. All of those applications, except the computer network of course, will require specialized expensive conversion equipment if they needed to be transmitted via a Wi-Fi link.

4. The cost benefit of not running wires around the house is not as simple as issue as it seems. Having installed a wireless network at home you have only eliminated the need to wire for a single application – computer network. A modern home, however, requires all kinds of wiring to run even without regard to computers. The power and phones are obvious examples, as well as thermostats and security systems. Pre-wired speakers are common and most homes today have intercom systems as a desirable option, and those also require extensive wiring. It is very likely that the same contractor running the intercom or security cables is qualified to run computer cables – CAT5E or better. If you are building a home, you should definitely check if computer cabling option is available in your new home, and our advice is to go ahead and purchase it before the walls close. It is going to be a pretty involved and expensive procedure to install the cables later. As an added cost benefit of a wired computer network you will find that all modern computers ship with wired Ethernet network interface card included, and the latest models ship with 1000MBit/sec cards that are essentially free for the computer’s owner.

There are multiple sources of information available on proper planning and design of a residential cabling for voice, data, audio, video and other applications. One of the best sources is the TIA/EIA-570B standard, most resent release of which has been published in 2004. The standard outlines recommended types of the cables, principals of cable distribution in a single- and multi-dwelling units as well as recommended amount of cables to be installed based on the size of the house.

In conclusion, cutting the wire seems like a step forward, some sort  of liberation of computer from the bonds of the infrastructure. I would caution the reader, however, to take a more balanced and informed approach before joining the wireless revolution. There are still (and will remain in foreseen future) sound reasons to include properly designed cabling system into the list of your dream home options.

Ways To Fail In An Erp Selection

The best way to fail at an Enterprise Resource Planning (ERP) implementation is to choose the wrong software up front. Choosing software without following some basic guidelines is a sure-fire method for disaster. Probably the worst thing that someone has done (that we know of), was to buy their ERP software at a tradeshow, thinking it would be the cheap and easy way to solve their problems. They ended up spending more than they expected in finding ways to force the software into their business.

Below are some ways that will set you on the path to fail at your choice. In other words, they are ways that you can insure that you will choose the wrong system for your company.

1. Choose ERP software without understanding your requirements. – First, you should ensure that you are getting the best fit for your company by documenting your requirements. The requirements should cover the strategic, reporting, functional, and technical aspects of what your company requires to run the business. Choosing software without these documented and without using them as a benchmark to compare the software against is a strategy for problems.

2. Select ERP software without paying attention to business processes. – There are certain ways that you run your business. Not all of them are rocket science, but there are certain things that make your company unique and successful. Choosing software without understanding how things flow in your company will create big problems in the implementation when the software processes information contrary to how you run your business.

3. Choose ERP software because your Friend/Neighbor/Relative is using it successfully at their firm. – Another nightmare scenario that has actually occurred is that decision makers have purchased software because their ____ (fill in the blank) has used it and it worked great at that company. That company is not your company. On the surface they may seem similar, but just because one company is running well on the ERP system does not mean that yours will. You may have a special process for getting your goods out the door. The software may not support that method. Perhaps there is some information that you must have because of financial, regulatory, or supply chain requirements. The other company may not have that issue. Perhaps you need to track lot numbers and the _____’s company does not. There are too many business issues that can create havoc in an information system, if the system is not carefully matched to the requirements (see #1).

4. Not having the ERP vendor prove that it will support your business processes. – ERP vendors have one goal. Sell you software. Do they care if it fits, can successfully operate your business, or even if it will be a huge burden on your staff? Not really. In fact, if you buy software that requires a lot of care and feeding because it is not a good fit, then the vendor is the one who supports it and makes a handsome flow of income off your company. Get the vendor to demonstrate that it meets your requirements and can transact information in a method that is aligned with your business processes.

5. Choosing ERP software because it looks cool. – You may laugh at this one, but the user interface is a sexy selling point of many systems. Is a plain old green-screen as nice to work in as a really colorful Windows ™ screen? Probably not, but does the Windows™-based system really address your issues? Your goal should be aligning a perspective system with your business needs. If it comes with a cool interface great, if not, can you live with it?

6. Let the ERP vendor tell you what you need to be doing. – Related to number 4 above, having the ERP vendor guide you in your selection is a roadmap to hell. You need to guide them. Tell them what you want and expect. Too many times has a single vendor gained the trust and confidence of a decision maker and guided them to a particular system, without any concern for how close a match is it to the business requirements and processes.

7. Take the ERP vendor’s first offer without negotiating. – You can generally negotiate with a vendor several times and get a more than fair price. But the key is to follow good negotiation tactics. Don’t forget that most everything is negotiable. The software, the services, the maintenance, the timing, etc. In the ERP industry, the best time to buy software is at the quarter or year end according to the vendor’s financial calendar.

The key thing to understand is that there is a path that can lead you to success and many routes to failure. Know thyself first. Understand your business and document it. It is not enough to think you know it. Talk to all levels of users and managers. Ensure that everyone’s needs are defined and a priority is placed upon those needs. If you are not sure of selecting a major investment such as an ERP, then get outside help from a consultant who is non-biased towards systems and can guide you. Be careful of assistance from a company that has an SAP practice, or an Oracle practice, etc. They have internal motivation to help you choose their flavor of software.

Most importantly, understand that you need to drive the process. It is your selection and you need to live with the results. As any good project manager will tell you, start with the end in mind. What do you want the system to do for your company now and in seven years from now? Understand this and go forward in selecting your system.

Voip Features That Attract People

VOIP is an advanced technology which has surpassed the telephone companies and the mobile companies. Its popularity is increasing enormously with an increase in its network coverage. It has proved to be an astonishing invention which has created a new mode of telecommunication by using internet. VOIP is an abbreviated form of Voice Over Internet Protocol.

Salient Features Of VOIP

The VOIP technology possesses many salient features which have attracted a large section of people towards itself. 

1 - With the introduction of VOIP technology, the making of calls has become easy and cheap.   You can easily make local, long distance, and international calls by using a broadband net connection which is a high-speed net connection.

2 - Its one of the significant advantages is the capability of directing the incoming calls to the VOIP service and one can easily get the details of incoming calls from any computer possessing internet by using VOIP system. 

3 - It is a network that follows you wherever you go therefore you will never miss any of your important calls even if you are out of town. 

4 - It has helped a lot in cost reduction because of the cheap call rates, the monthly telephone bills have cut down. Therefore, setting up of VOIP is very much beneficial economically.

5 - There are many value added services offered by the various VOIP service providers. For example, there is voice mail facility, 3-way conference, speed dialing, call forwarding, simultaneous ring, call waiting, caller ID, call return, caller ID block, anonymous call rejection, an interesting feature of do not disturb, and last number dial. All these services are mostly free of cost in their basic service plan.

6 - There is a facility of managing your VOIP account online from any corner of the world if there is an availability of a broadband internet connection.  

Drawbacks Of VOIP Technology

The dark side of using VOIP technology has made the customer to reach the state of dilemma whether to go for VOIP technology or not. The major disadvantage of VOIP is that a problem can be cropped up by using VOIP technology and text messaging because it has been found that the use of this technology can lead to many security flaws. 

Experts are working on the problem of security flaws, but have not come to any results yet.  Therefore, one cannot rely completely on the use of VOIP technology. In terms of security, VOIP is not also completely supportive for their encryptions. Because of this weak point, it has become easy for the cyber attackers to impede the communication system. 

How To Call Without VOIP

It is also very easy to make calls without possessing VOIP service by using an adaptor. This adaptor will be hooked up to a regular phone and to your VOIP in order to utilize the residential VOIP phone which can be a VOIP phone, landline, or cell phone. This adapter has proved to be very much useful for those who do not want to make investment in VOIP service. 

Residential VOIP

Residential VOIP is a type of software which permits the downloading of technology on your computer to chat with anyone across the globe. In this system of communication, computer will be solving the purpose of the telephone. There is one specification in using residential VOIP service and that is the person whom you want to contact should also need to possess the software with same technology on his computer. 

Therefore, after considering the both positive and negative aspects of the VOIP technology, you should come to an apt and appropriate decision whether to opt for it or not.