make money online-“We Really Need to Understand Skype™ a Bit Better.”

Let’s take a look at make money online-“We Really Need to Understand Skype™ a Bit Better.”You’ve seen the dramatic increase in Skype as the voice over ip (voip) technology has improved.Recall that voip is a voice and video technology by which the internet carries voice and video communication over an ip address.

All devices which are connected to the internet are given an internet address which is called an “ip address.”So basically,your voice or video is carried from ip address to ip address,hence, the technology became known as voice over ip (voip).

Ip is an abbreviation for the fundamental “internet protocol”,aka, ipv4,upon which all internet traffic rides.Just a bit of perspective on ipv4,which uses a 32 bit,or 4 byte address,each byte is separated by a period.

The “v4” means it is the fourth iteration.There are four classes from class A to class D.The class is dependent upon the range of numbers at the start of the ip address.In the same way for this make money online-“We Really Need to Understand Skype™ a Bit Better.”discussion,the number at the beginning determines the amount of networks,and generally the number at the end determines the number of individual addresses.

make money online-“We Really Need to Understand Skype™ a Bit Better.”

The class determines the number of octets that are needed to ascertain the number of networks,subnets,or individual ip addresses.The machinery of the internet runs on ipv4,this is analogous to a running on gas,without which the car doesn’t run, so the the internet doesn’t run without ipv4 .

Furthermore for this earn money online exposition,the exponential growth of the internet has seen ipv4 address space approach it’s limit,with this limit approaching,a new internet protocol was engineered by the internet engineering task force (IETF),called ipv6.

The maximum ip addresses for ipv4 is 4,294,967,269 or (2³²) addresses,this limit has been significantly delayed by the introduction of classless inter-domain routing,through which networks are divided into subnets.

Also, network address translation (NAT),in which one or two (or more) public addresses can carry hundreds,even thousands,of different lan addresses which are assigned to a “public” ip based on need.Suffice it to say for this make money online-“We Really Need to Understand Skype™ a Bit Better.”discussion, that ipv6 is already significantly being deployed,however,ipv4 still carries most of the ip traffic on the internet.

Speaking about ipv6, it’s ipv6 address is 128 bits long,with eight groups of 4 hexadecimal digits,each separated by a colon,here’s an example ipv6 adddress:2001:0db8:85a3:0042:1000:8a2e:0370:5241. So ipv4 allows for 4.3 billion addresses,ipv6 which is 2¹²⁸ addresses, or suffice it to say that the addresses will never run out.

The basic difference between Skype and voip is that you pay the local telcos and other providers for voip,but Skype is basically gratis,but you must talk Skype to Skype,if you call a cell phone or land line (without Skype) you must buy “credits.”Nevertheless for this make money online-“We Really Need to Understand Skype™ a Bit Better.”discussion,Skype has been able to expand due to the quality of it’s voip technology.

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The fundamental concept behind this technology is peer-to-peer networking.Skype is able to allow user Bud to talk directly to client Paul by sending a call request from Bud to a Skype super node,which talks directly to a skype authentication server,and authenticates Bud and verifies Paul ( the destination).

This call is then connected peer-to-peer which allows for the elimination of hops,and a point-to-point voip connection upon which the Skype supernode encrypts the p2p path with the advance encryption standard (AES).Generally for this make money online reviews,if you have a newer PC or PC laptop,you should have built in speakers and mic.

However,it is wise to buy a noise canceling headset with a built in mic,the headset jacks can be plugged directly into the mic and speaker jacks on the PC laptop.Most Macs have audio and video systems included.

Also,a newer PC would be similar to a PC laptop,be sure you have >1GHz processor speed and at least 30 meg of free space on your hard drive.You can download Skype for Windows at www.skype.com/download/ ,you’ll need to read and check the end-user license agreement and choose a user name.

You can then start a contact list of Skype users and numbers,and also a list of land-line and cell phone numbers.For video,you obviously need a webcam with a CCD sensor. Many upscale PCs,laptop PCs,and Macs have a built-in webcam.To minimize pixilation (grainy image) you need to set your computer screen to a lower pixel setting,basically,640×480 would be optimum.

You can make free voice and video calls to anyone on Skype. This includes Skype users on PCs,laptops,Macs,Androids, and iPhones. Furthermore for this make money online-“We Really Need to Understand Skype™ a Bit Better.”discussion,when a Skype client trys to authenticate to the Skype network,it talks to a “supernode”via port 80,which is your computer’s http port.

Or if you’re on a secure site,it’ll talk to the supernode via port 443,which is the common https port.Skype uses TCP/IP as the very methodical internet protocol,which organizes and numbers digitized voice or video packets.TCP/IP’s functionality is at layer 4 of the OSI model.Recall, the OSI model is a protocol framework which organizes applications and protocols into 7 layers.

Data works its way down the stack,with each layer adding it’s network functionality or conversely,up the stack,with each layer working it’s magic in reverse order.Moreover for this earn money online exposition,layer 7 is the highest layer,the layer from which all the applications,data, and end-user processes promulgate.

Digitized voice and video is handed to the Transport layer 4 from above and Transport’s job is to add an error correction algorithm,sequencing and flow control.When you have a glitch in your voice conversation, you can bet on the Transport layer doing what it needs to do,to keep your words frames sequentially correct.Below Transport layer 4 is the Network layer 3.

This layer takes the TCP packet,and adds the ip addressing information of the called client. As was previously stated for our make money online-“We Really Need to Understand Skype™ a Bit Better.”discussion,once the skype client has been verified and the user authenticated,the Transport layer does it’s control job,and on the receive end the client’s layer 4 will do the correct reassembly of numbered packets.

Keep in mind that Skype’s network has established a point-to-point path which is protected by Skype’s data encryption.I hope this adds some perspective to Skype the voip technology,which has become a significant gratis (and paid)offering on the internet.The Skype network appears to be in the future of the world wide web as we’ve seen a preponderance of new voice and video communications which bypass the traditional telephone network and use the internet as the new communications network.

We’ll finish-up this make money online-“We Really Need to Understand Skype™ a Bit Better.” discussion,with words from Steve Jobs:Your time is limited, so don’t waste it living someone else’s life. Don’t be trapped by dogma – which is living with the results of other people’s thinking. Don’t let the noise of others’ opinions drown out your own inner voice. And most important, have the courage to follow your heart and intuition.

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reference
Michael Gough Skype™ Me!Syngress Publishing Inc 2006

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