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Friday, June 6, 2008

Some DSL Broadband Definitions

Often too many people get confused with all the definitions, here we have explained in easy to understand terms.

ADSL:
Asymmetric Digital Subscriber Line - asymmetric meaning it's faster downstream than upstream.

ASAM:
Advanced Services Access Manager -Whether you have a DSLAM or ASAM in your exchange doesn't really matter. They do the same thing. See DSLAM's as well.

ATM:
Asynchronous Transfer Mode - a method of encapsulation which is capable of many virtual circuits. With these, providers (ISP's) can split an ATM connection (155Mbit or 622Mbit) up into many connections. ATM isn't just used for DSL but in the case of DSL it's used to provision each customer.

Contention Ratios:
A contention ratio is the number of users to xMbit of bandwidth. For example some providers offer 2Mbit DSL, with a ratio of 50:1, meaning 50 users to 1Mbit of bandwidth.

CPE:
Customer Premises Equipment, the term that describes the equipment used on the customer end of a connection, for example your DSL modem/router or cable modem.

DSL:
Digital Subscriber Line.

DSLAM:
Digital Subscriber Line Access Multiplexer ?They are placed in DSL enabled Telecomm exchanges, when your modem syncs up and the DSL light comes on, it means you are connected. When data travels down your connection, it goes from the CPE -> DSLAM -> RAN -> ISP

ERX:
Edge Routing Exchange. See RAN.

IPNet:
Telecommunications backhaul networks for carrying traffic from the customer to the ISP, i.e. carrying traffic from RAN's to ISP's.

Ping or Latency:
A ping measures the time in milliseconds that it takes for a packet to travel from your computer to a remote computer and back to you again. Just because you can't ping a given host, quite a lot of providers are beginning to filter ICMP (pings come under this protocol) traffic because it is commonly used to attack hosts and wastes a lot of bandwidth. Many providers also give low priority to ping (ICMP) traffic which may mean your ping at a command line isn't very good, but in say a game, things may be fine.

RAN:
Regional Access Node These aggregates many DSLAM's connections and then feed the data to an ISP

RTT
Round Trip Time - the time it takes in milliseconds for a packet to go from A to B and back again. See ping.

SDSL
Symmetrical Digital Subscriber Line - symmetrical meaning the same speed up and down.

Units

There is a major difference between UPPER and lowercase

MB = MegaBytes
Mb = Megabits
kB = KiloBytes
kb = Kilobits

MB/s = MegaBytes per second
Mb/s = Megabits per second
kB/s = KiloBytes per second
kb/s = Kilobits per second

There is 8bits to a Byte, 8kb = 1kB

1Meg connections only transfer at 128kB/sec or an 8Mb connection only transfers at 1024kB/sec or 1MB/s

Steve
Private Mail Services
http://www.private-services.com

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How To Find People Free Online

There are many ways to find people free online i.e. you can use various methods like people finders, address finders, white pages, reverse look ups etc. With about 3 billion people using the internet, there is a chance to find someone free online especially if they live in countries where internet usage is high.

If you know at least one thing about the person you want to find, then you stand an even better chance. This is possible if you know some kind of information but don't be dismayed if you don't have any background information about the person.

So before you start looking for someone online, take some time to write as much as you know about the person you are looking for - the name, surname, phone number, email address, street address, residential address, occupation, social security number, birthday etc. This should be more like a profile about hobbies, names, interests, friends, relatives, organization worked for, nicknames, schools attended if you want to do a classmate search and more.

Amongst the many free ways to find someone online, you can use what is called a reverse look up. You can use any of the information you have about the person, for example, if you have an email enter the email exactly as it is on the search bar such as Google, or if you have a phone number, try entering it and see what turns up. Google has great people search operators, the bphonebook and rephonebook, which can search a business and residential listings respectively.

You should also try to search blogs. This is because almost anyone who uses the internet on a continuous bases has a blog or has posted a message on one or more blogs. You can search for blogs using Technorati, a search engine that you can use to search blogs.

Don't forget the obvious ways to find people free - you can ask a mutual friend or colleague about the whereabouts of the person you are looking for. Think about people that might know this person and are more likely to be listed somewhere on the web. If you can at least find these mutual friends online, then you can use them to generate some leads about the person you are looking for. If you know the person's previous address, do visit there to ask the neighbors, they are usually very helpful in providing information about current street or residential addresses.

You should also look at widely available public sources and white pages to find the person's address free. There are some websites that offer free people finder tools and content to help you get reunited with your friend without paying a cent.

You can visit http://www.findfree-people-friends.com to find numerous ways to find people free online. You might be looking for an old friends, previous address, phone number, email address, missing relative, lover, someone you met just once or need to know someone's profile, this website is you start-off point for finding people free online and offline.

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How To Find People Free Online

There are many ways to find people free online i.e. you can use various methods like people finders, address finders, white pages, reverse look ups etc. With about 3 billion people using the internet, there is a chance to find someone free online especially if they live in countries where internet usage is high.

If you know at least one thing about the person you want to find, then you stand an even better chance. This is possible if you know some kind of information but don't be dismayed if you don't have any background information about the person.

So before you start looking for someone online, take some time to write as much as you know about the person you are looking for - the name, surname, phone number, email address, street address, residential address, occupation, social security number, birthday etc. This should be more like a profile about hobbies, names, interests, friends, relatives, organization worked for, nicknames, schools attended if you want to do a classmate search and more.

Amongst the many free ways to find someone online, you can use what is called a reverse look up. You can use any of the information you have about the person, for example, if you have an email enter the email exactly as it is on the search bar such as Google, or if you have a phone number, try entering it and see what turns up. Google has great people search operators, the bphonebook and rephonebook, which can search a business and residential listings respectively.

You should also try to search blogs. This is because almost anyone who uses the internet on a continuous bases has a blog or has posted a message on one or more blogs. You can search for blogs using Technorati, a search engine that you can use to search blogs.

Don't forget the obvious ways to find people free - you can ask a mutual friend or colleague about the whereabouts of the person you are looking for. Think about people that might know this person and are more likely to be listed somewhere on the web. If you can at least find these mutual friends online, then you can use them to generate some leads about the person you are looking for. If you know the person's previous address, do visit there to ask the neighbors, they are usually very helpful in providing information about current street or residential addresses.

You should also look at widely available public sources and white pages to find the person's address free. There are some websites that offer free people finder tools and content to help you get reunited with your friend without paying a cent.

You can visit http://www.findfree-people-friends.com to find numerous ways to find people free online. You might be looking for an old friends, previous address, phone number, email address, missing relative, lover, someone you met just once or need to know someone's profile, this website is you start-off point for finding people free online and offline.

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