what is ISP

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what is ISP

Postby afidiflower » Fri Jun 03, 2005 8:48 am

what is ISP (internet service provider). i think in isp using Router,Reciver,Proxy,Access server and the networking is in LInux . any one one know about what is the function of these all and how it is reciving data and sending to all users. and how it is providing service to whole city.
if anyone has some experiance plz let us know it is very important for all internet users.

Regards
Afridi Flower
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Postby nasacis » Fri Jun 03, 2005 1:03 pm

Nafees Ahmed
Cell: +92.300.8653568
UAN: 041-111432432
Nexlinx Faisalabad
www.nexlinx.net.pk
nafees29@gmail.com
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Postby afidiflower » Fri Jun 03, 2005 3:09 pm

what is this file i download but not opening .
wha is the extension of this file ..????
how to open..???????????????
Afridi Flower
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Postby nasacis » Fri Jun 03, 2005 3:21 pm

file format is .pdf
you can open it in Adobe Acrobate Reader


Regards
Nafees Ahmed

Cell: +92.300.8653568

UAN: 041-111432432

Nexlinx Faisalabad

www.nexlinx.net.pk

nafees29@gmail.com
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Re: what is ISP

Postby LinuxFreaK » Sat Jun 04, 2005 12:31 am

Dear afidiflower,
Salam,

afidiflower wrote:what is ISP (internet service provider). i think in isp using Router,Reciver,Proxy,Access server and the networking is in LInux . any one one know about what is the function of these all and how it is reciving data and sending to all users. and how it is providing service to whole city. if anyone has some experiance plz let us know it is very important for all internet users.


What you want to know ?

ISP (Internet Service Provider) they have license from PTA (Pakistan Telecommmunication Authority) and then they get Bandwidht from PIE (Pakistan Internet Exchange) and then they will terminate their bandwidht using E1,Fiber to their Router, DXX or DWDM Devices. PTCL (Pakistan Telecom Company Limited) have major role in every ISP because ISP get PRI (Primary Rate Interface) from PTCL and Connect it to their Access Server e.g Lucent, MaxTNT, Ericson... and then they will get UIN from PTCL value added and PTCL value added map these numbers to their Master PRI Number so that user call to UIN get connected to their Access Server. When user try to connect to the Access Server, it send request to RADIUS (Remote Authentication Dial In User Service) Server and it will send information to Database Server and check that either its our user or not, checks expire date, checks hours !! and if all these info are correct then user will get connected :) ISP also have Proxy, Caching Servers and bandwidht controlling !!

Best Regards.
Farrukh Ahmed
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NIce Briefing

Postby justujoo » Sat Jun 04, 2005 2:25 am

Asalam-O-Alekum

very good, compact and informative knowledge, Thanks Mr. Farrukh

Regard
Khurram H.Syed
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Postby afidiflower » Mon Jun 06, 2005 11:22 am

very informative
Thanks Linuxfreak
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