Network Switch

ciscoCIN asked:

TechWiseTV episode 40 Learn how to use the technologies and tools you already have to support rich communication and full-service video. Watch the full TechWiseTV episode here: Switching Secrets for Multimedia Optimizing network switch performance for video is becoming vital as video conferencing and communication go mainstream. Discover how to make the most of the switching technologies you already have to achieve peak performance. Learn how to build out a real-time network to support video …

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Joel Ng asked:


If you would like to take advantage of the low cost and extra features of VoIP, you may decide to replace your traditional telephone service with a VoIP service, Here are 5 reason why switching to VoIP.

1. Low-cost

The biggest advantages of VoIP is the low-cost. The basic monthly fee is lower than PSTN (Public Switched Telephone Network) and the price also includes services such as call display and call forwarding that traditional telephone companies charges extra for.

Basic VoIP plans start as low as $5.99 a month. If you have a fast Internet connection (DSL or cable) you can make PC-to-PC phone calls anywhere in the world for free.

2. Free calling feature

VoIP users can enjoy many other free calling features, this make VoIP attractive. Call forwarding, call waiting, voicemail, caller ID and three-way calling are some of the many services included with Internet telephone at no extra charge. You can also send data such as pictures and documents at the same time you are talking on the phone.

3. Unlimited long distance call

You can also sign up with a VoIP service provider which charges a monthly fee in return for unlimited calls within a certain geographic area. For example, some VoIP services in the United States allow you to call anywhere in North America at no extra charge. Overseas calls are charged at a relatively small rate.

4. Portability

You can make and receive phone calls wherever there is a broadband connection simply by signing in to your VoIP account. This makes VoIP as convenient as e-mail – if you are traveling, simply pack a headset or Internet phone and you can talk to your family or business associates for almost nothing

5. Easy to Install

A computer is not necessary but makes it more convenient to access your VoIP account.

The basic equipment need for VoIP is a broadband modem (either cable or DSL), a router, and an IP phone. Simply plug the router into the modem and plug the IP phone into the router. There is no need for service calls to get equipment installed.

For more information visit: Today VoIP .



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Catherine asked:


Im not good with computers! Is it possible to add any computer i want to my network?

And is there a way chat without having internet?

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NYTechSummit asked:

Part 3 of a class given by Bret Jacobs of Loyola University of New Orleans at the 2008 NY Tech Summit. When Hurricane Katrina struck the Gulf Coast in 2005, the recovery plans for many institutions were deployed for the first time. Hear the story from Loyola University New Orleans and what lessons they learned from their Katrina experience. Download the PDF of this course at www.nytechsummit.com.

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brian s loving asked:


The business field is much like that of politics, it recieves much criticism and wrongful information.  Ironically enough when a company offers a great deal to thier customers, thier competitors come up with an offer that meets or beats the offer to thier customers.  The television entertainment industry is an example of this occurrence.  After being rated at the top of customer service satisfaction by J. D. Power and Associates, Dish Networks competition has to put inordinate effort in keeping their customer base.  Below is a list of statements that will silence the misstatements and rumors that are being contrived by those who object to Dish Network’s success.

Free Equipment, Free Installation, Free Upgrades, Is It True?

Whenever a business is offering something free for buying or joining their services people are naturally suspicious.  With the excessive amount of advertisements and offers in today’s society, one must be cautious about where their money is invested.  J. D. Power and Associates, which means you can trust they are great in customer satisfaction.  Dish Network did the exact same thing.  again and again the start up offer of free satellite receiver equipment & free professional installation has been proven to work   Also, Dish Network gives new subscribers a free equipment upgrade of a digital video recorder, or DVR, which allows you to record and store up to one hundred hours of your favorite programs.  The free offers don’t end there.  New subscribers also have the option of installing satellite TV in up to four rooms for free.  Now four different people can watch four different channels in different rooms, for free.  Most cable providers charge at least five dollars and sometimes up to ten dollars for this service.

Isn’t Satellite’s Reception Poorer than Cable?

The is answer to this question is a solid and resounding, “Wrong!” If you follow the instructions detailed in the Dishnetwork Installation Guidelines which specify that you should mount the dish with an uninterrupted view of the southern sky, you’ll get reception clarity identical to cable.  Similar to cable, if you lose electricity to your house then your signal will also be lost.  One neat feature of Dish is that you can add a generator to maintain power in emergency situations.  Usually cable service will not come back until the power returns, as it relies solely on power cables.

Are My Local Channels Available Through Dish Network?

In the past Dish Network did not offer local channels that were available with cable, but this is no longer a problem the vast programming of Dish Network now includes local channels.  Because of this one reason, more people than ever before are making the switch to satellite television.  As Dish Network continues its growth it is able to progressively acquire more local channel access all over the country. There’s no better time to order Dish Network than now if you have been considering Satellite TV. This is the most offers and promotions we have ever been able to offer. You can’t wait too long if you want to get these great Dish Network deals and specials.



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Julia Hall asked:


High definition television, digital video recording, portable entertainment devices, Dish Network offers it all! The best technology and the most programming choices are all included when you subscribe to a Dish Network programming package. In fact, Dish Network has been awarded various honors for its extreme level of commitment to customer satisfaction, and the company has set a long history of innovation and technological advancement. Customers have their choice of the latest and best television advancements at the best values in the industry. And Dishnetwork has plenty of options designed to appeal to every member of the family.

With every Dishnetwork receiver, parents can control the programming that their children have access to. This makes it easy to step out of the room without having to worry about what the children are viewing. Blocking channels or specific shows is a very simple process and blocked material can still be accessed by using the correct password. The password controls let every member of the family watch the full amount of age-appropriate programming available. And, Dish Network’s programming selection for children is amazing. From the 40 channel, family-friendly DishFamily package to the tons of great options available in every package, children can find plenty of programming that will both educate and entertain.

Dish Network also offers other functions on its receivers that are both convenient and easy to use. All Dishnet receivers offer an electronic program guide, favorites and themes lists, on-screen caller ID, bookmarks, and software upgrades via satellite. And some Dishnet models even include a digital video recorder, or DVR. This device is designed to allow easy recording of programming and plenty of storage capacity for these recordings. DVRs have quickly become an extremely popular device as families have discovered how easy they make recordings and how convenient even live television can become. When watching any program you can pause and rewind it just like a recorded program and you can even use the Dishnetwork DVR to record a show to allow you to watch it without commercials. These features allow you to control the television to an extent that was never before possible.

High definition programming and HDTV equipment are also available through Dish Network Satellite TV. In fact, Dishnetwork offers the best and largest HD (High Definition) choices to give you the best possible HDTV experience. Two separate HD receivers ensure that you can choose the model that best suits your needs, and four HD programming packages bring lots of enjoyable entertainment to your screen. With channels like Animania, Guy TV, ESPN, Film Fest and National Geographic, the HD selection is sure to amaze you. The selection would be exciting even in standard definition, but when you factor in the increased resolution, higher quality sound, and wide screen format of HDTV, the choices are simply incredible.

Though Dish Network has made a great effort to bring the most advanced technology to your home, it has also made sure to increase its selection of programming choices. You will find dozens of base packages to choose from with content that ranges from small family friendly packages to Spanish-language programming. This makes it easy to select the perfect programming package for your family. And, with a wealth of additional programming that can be added to any package, Dish Network subscribers can optimize their selection. Everything from seasonal sports subscriptions to game playing packages can be added to your base package. And the pay per view channels offer plenty of movies, sports, and other events for one-time viewing. All of this great entertainmnet is available in the privacy of your own home.

Whatever your family’s situation and whatever your budget, you will find Dishnetwork choices that are right for you. Begin your subscription now and take advantage of special offers for receiver upgrades, free gifts, and programming rebates. These special Dish Network HDTV and DVR offers and deals are better than Cable TV or Directv. Switch to the best. Begin today.



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Don Willson asked:


When I first started in computers, one of the most confusing things that I ran across was how to set up a home network. The differences between hubs, routers, Internet Connection Sharing (ICS) and cabling were a mystery to me. But after much trial and error and built-up experience I managed to figure things out and some of that information I will share with you now.

There are two basic types of networks that I’m going to talk about in this article first being the infamous ICS or Internet Connection Sharing. ICS is usually implemented by connecting multiple computers through the hub to a single computer. Let’s say we have three computers, Computer A, Computer B and Computer C. Computer A has enjoyed a high speed Internet connection and after a while, Computer B and C want to get in on the action! In order to implement ICS, we would have to connect Computers B and C to a hub.

A hub is basically a switch that allows any computer hooked up to it to communicate with any other computer hooked up to the hub. So with all three computers hooked up to it, we would set the network up on the computers to use ICS. Computers B and C would be told that they’re going to connect to the Internet through another computer that has a high-speed Internet connection. While Computer A would be configured to enjoy its high-speed connection as it did before.

Like this, Computers B and C would enjoy a relatively fast connection to the Internet as would Computer A. The problem here starts when all three computers are accessing the Internet at the same time. Computers B and C would enjoy a relatively fast connection to the Internet while Computer A would suffer some moderate slowdowns because it not only has to handle its own traffic but the traffic of the other two computers as well. The user on Computer A is going to get quite upset if Computers B and C decide to download files at the same time. Because downloading a file is such a data intensive process, demanding large amounts of data be transferred from the Internet as fast as possible, Computers A may suffer some severe speed problems because of the demand being put on it from the other two computers.

Unfortunately because of the fact that the hub does not have built-in firewall or any other such software that can protect the computers behind the hub Computers A must also be running Windows firewall in the background which provides an additional performance hit.

So although the ICS is the cheapest way to go, it is definitely not the speediest way to go. In fact, to be honest, I would only follow this route if the users of Computers B and C had something against the user of Computer A and want to get even!

The second type of setup that I’m going to talk about it is the router based set up. Nice thing about the router is that most routers are very intelligent. They have built-in firewalls, parental controls, can block sites or even allow users to have access to your network from the outside if they know the proper passwords and/or ports to connect through. No additional software is required that might add a performance hit and all three computers get configured the same way.

To hook up or router you simply plug a cable from your Internet connection into the router then plug the three computers into the router as well. When you set up your computers you tell networking software that all three will computers have direct access to the Internet. There is some setup involved with router as is usual with any complicated piece of hardware but usually it is very painless and if you follow the instructions, quite easy!

The nice thing about router set up is that once it is set, up all three computers enjoy the same speed advantages of being on a high-speed Internet. No one computer is impacted by the fact that someone else is downloading a file. In fact, all three can download a file at the same time and still enjoy impressive speed while doing so! Face it guys this is the network that you want to set up if your wife is on Computer A!

Routers tend to be a little more expensive than hubs but the advantages of having them a part your network far outweigh any price difference. So if you must go with ICS, then do so with pride! But personally, I would recommend spending the extra money to go the “router route”!



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Pattrick Savarna asked:


Why go for them?

For any data processing network, opting for 10 gigabit Ethernet switches becomes compulsory when the existing and older Ethernet switches such as gigabit Ethernet or fast gigabit switches start showing uninspiring speed while data work is on. 10 gigabit Ethernets are more productive and as per their nomenclature, they move data with a speed of 10 gigabits/second.

10 gigabit Ethernet switches are always equipped with multicast support and entertain 802.1X authentication. They are much more secure than the other types of Ethernets and are protected against denial-of-service attacks.

Thus they have become a number one choice not only in local area networks, but they are greatly compatible with wide area networks and metropolitan area networks too. 10 gigabit Ethernets are very much similar in many cases to the other types of Ethernets such as gigabit Ethernets or fast Ethernets.

So what are 10 gigabit Ethernet switches?

Being described as \”disruptive\” communication equipment by many, 10 gigabit Ethernet switches are a type of telecommunication technology which are capable of speeding up the data transfer rate to an incredible rate of up to more than 10 billion bits/second in LANs( local area networks).

10 gigabit Ethernets are the most improved version of Ethernet technology so far as they are comprehensively efficient and user-friendly as compared to other types of Ethernet switches available so far. The replacement of other networks used in various data centers by 10 gigabit Ethernet brings a sea like change in the data transfer rate from almost 2-3 gigabits/second to 10 gigabits/second.

So what about their cost-effectiveness?

Being highly inexpensive, these switches are a first choice for all the local area networks worldwide. Since they first came to the fore in 2001, when the installation of these switches was worth Us $35-40,000, they evolved successfully into one of the cheapest networking products. These days, they can be found at as below as US $3-4,000.

Then tell me something about their future too!

Though, 10 gigabit Ethernet switches are more than sufficient to transfer data at a high pace, the users and manufactures have set a goal to come up with something more powerful and accelerated. They hope to launch Ethernet switches 8-10 times more efficient than these modern 10 gigabit switches.



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luzerne98 asked:


Do I perform a task on the central computer or on the ones that are networked?

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brian s loving asked:


The best of the best is desired by all.  The customer will always seek to spend their money on the highest quality product, when the price is within their budget.  There is no difference when buying television programming for their home.  Like anything else in this day and age, an abundance of businesses and promotions are available to select from.  Deciding  between cable TV and satellite TV is the biggest decision when selecting programming options  Each day, more people are turning to satellite providers, for example, Dish Network.

Dish Network Satellite TV is Meeting People’s Digital Needs

Over 27 million people have made the switch from antenna or cable television to a satellite service in the last decade alone.  Why would they want to do this?  The reasons are the same as with anything else in life - if a certain product is better at meeting your needs you will choose that over another one.  Getting a cable line run from the outlet box closest to them all the way to their home is not possible or extremely costly for a great number of people living in rural areas.   The only thing required for a Dish Network satellite dish is a place to put it with a clear view of the Southern sky. This is necessary for a clear signal.  If you live in a region where weather conditions could easily result in a power outage, the better option is satellite television.  The regional power grid is what Cable systems rely on to function. 

Dish Network systems can operate on a generator thus allowing people access to valuable weather and safety information.  Internet access also comes into play when comparing.  If your area doesn’t provide cable access and its high speeds, then you must be familiar with how frustrating it is to connect to the internet with a dial-up connection.  Rural and worldwide web users were thankful to hear about the partnership between Dish Network and WildBlue Communications that will make high-speed Internet access a possibility for them.

Dish Network Offers the Most Enticing New Customer Deals

New customers can’t pass up exciting offers by satellite providers like the Dish Network.  For example, start up packages for satellite are around $20 while start up packages for cable are around $70.  Furthermore, in the recent past, cable rates have increased an average of 8.2%. 

When you select Dish network and sign up with them, you will get a free dish and receiver that they even install professionally for free.  You can also get a free upgrade of your equipment; choose a DVR or HD receiver.  DVR technology gives the user the ability to not just record 100 hours of programming, but also the ability to pause and rewind live programs.  Up to four Dish Network receive will be installed in four rooms of your house free of charge.  There is no additional fee when it comes to gettingg a receiver.  The installation is free.  Cable service providers, however, can charge up to $10 for service in each additional room.

What is the One Thing you Need to Know When Buying Satellite TV?

The opinion of current users is usually the most valuable information in choosing a product.  Dish Network shines in this area.  When compared to all other satellite and cable providers they have been chosen by J. D. Power and Associates. Other users are pleased, why would you think you will not be?



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