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Video streaming is basically a sequence of images that are in motion which are sent over the internet in compressed form and are viewed by the user as they arrive. Media streaming is just video streaming with audio functionality. With media streaming or video streaming, web users no longer have to wait for the entire file to be downloaded before being able to see the video or hear the sound. The media is rather sent through a continuous stream and can be played as it arrives. Users just need a player or some kind of special program which would be uncompressing and sending the video data into the display, as well as the audio data into the speakers. The player could either be an integral part of the user's browser or could also be a software that has to be downloaded from a website.

Some of the major media streaming and video streaming technologies would include Microsoft Windows Media Technologies, RealSystem G2 of RealNetwork and VDO. The approach used by Microsoft makes use of the standard video MPEG compression algorithm, while the others use proprietary algorithms.

Video streaming is typically sent through from some pre-recorded video files, but could be distributed as a part of live broadcast feeds. During a live broadcast, video signals are converted into compressed digital signals, which are then transmitted from special web servers, which are able to do multicasting, as they send the same files to many users simultaneously.

Media streaming would be video and audio which are transmitted over the Internet though a continuous fashion with the use of data packets. For the most effective and successful reception of media streaming, a form of broadband technology like DSL or a cable modem would be required.

Streaming media is audio and video that are transmitted on the Internet in a streaming or continuous fashion, using data packets. The most effective reception of streaming media requires some form of broadband technology such as cable modem or DSL.

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# posted by streamyx-faq63739 : 11:06 PM  0 comments

The question of exactly how to explain or define a VPN is one that is often up for discussion amongst today's network consumers and communications providers. If we look at the literal definition of the words virtual private network, it can help to understand what is, and what is not, a VPN.

Using Webster's dictionary definitions of the component words, a VPN should have the following attributes:

Virtual - defined as "being such practically or in effect, although not in actual fact or name." Therefore, the first part of the answer to our question "what is a VPN" is that it is something that acts like a hard-wired network, but is actually not.

Private - defined as "of, belonging to, or concerning a particular person or group; not common or general." So, a VPN should be one where the consumer has exclusive use of the network links. (Note, this is different from a Secure Network, which may be a private or public network.)

Network - defined as "a system of computers interconnected by telephone wires or other means in order to share information." This is the goal of a VPN or any other type of network.

VPN explained in this manner is a network technology which gives the owner the ability to share information with others on the network by means of a private, exclusive link that is created by a method other than hard-wires or leased lines; usually via the internet. Before the internet, computers in different offices, cities or even countries could only talk to each other like people could - through telephone wires. As the needs for this type of communication grew, telephone lines became replaced by higher volume wires, like T3 circuits, but the concept was the same.

For computer A to talk to computer B, there had to be a physical wire connection. For security reasons, you would want to make sure that only your 2 computers used that line, so you would contract with a vendor to "lease" that circuit. However, this type of network was expensive and difficult to expand, not to mention difficult for the client to have control over.

With the advent of the internet, connections no longer needed to be physical. As long as each computer has access to the internet, information can be shared using local ISP circuits, across the internet, and to the recipient in much the same way that it was when the computers were physically connected. This is why the way VPN works is considered a "virtual" network; the entire connection is not hard-wired.

The aspects of VPN explained in this article so far have not yet discussed an ever present concern in today's world - security. In an old WAN arrangement, the security of data transmission could rely entirely on the provider's guarantees. Today, however, a VPN keeps information private by means of encryption on both the sending and receiving end. There are a variety of encryption protocols, depending on what a company's needs are, who they need to communicate with (and therefore be compatible with), etc. The data is not only encrypted, but it is encapsulated, meaning it is sent in its own private "tunnel" or connection across the internet. No one can see the data, and even if they could, they can't decipher or change it. In this way, information can be sent across the internet without being susceptible to interception or corruption by those who are outside of the VPN.

In order to create a virtual private network, you would need to decide who needs to share information, in what directions, and how often. Next you would need to prepare a listing of the hardware and software systems you are currently using at each location. You might very well need to make changes so that the computers can talk to each other easily. You'll also want to consider just how important it is that your data remains secure, as this will have an impact on what type of protocol you select. Preparing this information will have you educated for the discussions you will need to have with potential vendors.

Van Theodorou will help you slash your telecom expenses over 43% and assist or even become your telecom department at no cost to you. For a free analysis or phone consultation go his site at business long distance

# posted by streamyx-faq63739 : 9:24 PM  0 comments

The question of exactly how to explain or define a VPN is one that is often up for discussion amongst today's network consumers and communications providers. If we look at the literal definition of the words virtual private network, it can help to understand what is, and what is not, a VPN.

Using Webster's dictionary definitions of the component words, a VPN should have the following attributes:

Virtual - defined as "being such practically or in effect, although not in actual fact or name." Therefore, the first part of the answer to our question "what is a VPN" is that it is something that acts like a hard-wired network, but is actually not.

Private - defined as "of, belonging to, or concerning a particular person or group; not common or general." So, a VPN should be one where the consumer has exclusive use of the network links. (Note, this is different from a Secure Network, which may be a private or public network.)

Network - defined as "a system of computers interconnected by telephone wires or other means in order to share information." This is the goal of a VPN or any other type of network.

VPN explained in this manner is a network technology which gives the owner the ability to share information with others on the network by means of a private, exclusive link that is created by a method other than hard-wires or leased lines; usually via the internet. Before the internet, computers in different offices, cities or even countries could only talk to each other like people could - through telephone wires. As the needs for this type of communication grew, telephone lines became replaced by higher volume wires, like T3 circuits, but the concept was the same.

For computer A to talk to computer B, there had to be a physical wire connection. For security reasons, you would want to make sure that only your 2 computers used that line, so you would contract with a vendor to "lease" that circuit. However, this type of network was expensive and difficult to expand, not to mention difficult for the client to have control over.

With the advent of the internet, connections no longer needed to be physical. As long as each computer has access to the internet, information can be shared using local ISP circuits, across the internet, and to the recipient in much the same way that it was when the computers were physically connected. This is why the way VPN works is considered a "virtual" network; the entire connection is not hard-wired.

The aspects of VPN explained in this article so far have not yet discussed an ever present concern in today's world - security. In an old WAN arrangement, the security of data transmission could rely entirely on the provider's guarantees. Today, however, a VPN keeps information private by means of encryption on both the sending and receiving end. There are a variety of encryption protocols, depending on what a company's needs are, who they need to communicate with (and therefore be compatible with), etc. The data is not only encrypted, but it is encapsulated, meaning it is sent in its own private "tunnel" or connection across the internet. No one can see the data, and even if they could, they can't decipher or change it. In this way, information can be sent across the internet without being susceptible to interception or corruption by those who are outside of the VPN.

In order to create a virtual private network, you would need to decide who needs to share information, in what directions, and how often. Next you would need to prepare a listing of the hardware and software systems you are currently using at each location. You might very well need to make changes so that the computers can talk to each other easily. You'll also want to consider just how important it is that your data remains secure, as this will have an impact on what type of protocol you select. Preparing this information will have you educated for the discussions you will need to have with potential vendors.

Van Theodorou will help you slash your telecom expenses over 43% and assist or even become your telecom department at no cost to you. For a free analysis or phone consultation go his site at business long distance

# posted by streamyx-faq63739 : 2:07 AM  0 comments