Choosing an ISP and Configuring Dial-up. What’s an ISP? 4 Internet Service Provider –The guy who provides you access to the internet –Usually maintains.

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Presentation transcript:

Choosing an ISP and Configuring Dial-up

What’s an ISP? 4 Internet Service Provider –The guy who provides you access to the internet –Usually maintains an expensive, high bandwidth connection to the rest of the internet, which is shared by many cheap, slow modems that give access to users.

ISP Home PC ISP The Internet Slow, frequently down connection to ISP via phone Fast, always up, reliable connection, dedicated line ISP Server Program

ISP Internals ISP contains Servers The Internet Clients: *Client for Microsoft Networks,Notepad * File and Printer sharing *Browser, ,Ftp, etc DNS FTP DHCP TCP IP Drivers Apache,IIS Web pages RAS ppp

ISP 4 The ISP is a sort of retailer of bandwidth that also handles all the nasty details of running a real internet connection 4 ISPs in the area: –NPS –mbay.net –redshift.com –aol.com 4 See Power point notes of a former student See Power point notes of a former student

Things to look for 4 Large modem pool so you can get a connection 4 Local phone call to modem pool 4 Modems as fast as yours (56K these days) 4 Fast, reliable connection to the outside world 4 Cheap 4 Good support service 4 Good availability/up time 4 Free services, web page hosting, 4 Web upload mechanism, server scripts 4 Hidden costs i.e. charges on service calls, adds

Using NPS to access the Internet 4 It’s free 4 Some people complain about modem pool availability, modem speed –# of Modems and Trunk Line (T1 1.5Mbps) connection issue 4 Appropriate use restrictions 4 May be temporary 4 Home Setup not so easy

Configuring Dial-up to NPS 4 Assuming TCP and dial-up connection is installed: –My Computer->dialup networking->make new connection –Follow wizard directions –See DialUpClassPageConnect.ppt 4 See uide/RAS.htm uide/RAS.htm

Other ISPs 4 Mbay.net is popular and has a discount for NPS students 4 redshift.com is the other major ISP in the area 4 AOL is an ISP--they provide access to the internet, and add a lot of other stuff too, for a higher price –If you travel a lot they will usually have a local dialup

Faster non-modem options 4 Modems are cheap but limited in speed 4 Other options: –ADSL (Asynchronous Digital Subscriber Line) New from PacBell, just being deployed Aprox $40/mo for both voice and data Always up 1.5 mbps download, 128 mbps upload Limited range--you need to be close to a central office Uses new Descrete Multitone DTM modulation on existing phone lines. Voice on low frequencies<64kbs data on higher frequencies

Other Options 4 Cable Modem –Allegedly available Real Soon Now from Cox, others –Pilot program at La Mesa? –Approx 10 mbps speed bidirectional –Shared with other users in area; if the guy next door is downloading the Star Wars trailers, you’ll get less bandwidth

Faster Connections 4 ISDN –Rapidly being obsoleted by faster, cheaper options like ADSL –PacBell is $24/mo plus daytime hourly charges –Aprox 120 kbs speed, on standard phone cables –May be your only option for a higher speed connection. Must be within 5.5km of central office or BRI service or repeaters required.

Wireless 4 Ricochet is popular ( –Wireless access from a laptop –Limited coverage (SF Bay Area, Washington DC, Seattle) 4 $300 modem, $30/mo for service 4 At least 28.8 kbps service, some places apparently up to 128 kbps.

Free Internet Services 4 Search Yahoo for Free ISP –Free is temporary, and disappearing 4 Free Web hosting –Try Angelfire.com –Usually require adds Sponsor Web site visits 4 See Power point notes of a former student See Power point notes of a former student 4 See INetServices_pswrd_CHARLIE