A) Yes - to my knowledge the new Ihug plans are ADSL2. B) Yes you will get a hit but it's not that deterministic how much. :-)
There are a lot of advantages to ADSL2 via the reduced framing requirements. (up to 50kb/s increase for the same line without any speed increases for instance). Using a plain ADSL modem would reduce you to only a proportion of the gains in speed from increasing the line rate. Also, one of ADSL2's better features is "adaptive rate" which is a way of trying to reduce the crosstalk inherent in Telecom wiring looms. It's normally this that gets your ADSL modem in a knot every so often. (why you have to reset the thing). Reducing that problem would be a big help as well. Different Channels (with different characteristics) can live within the common ADSL stream. Enables you to selectively prioritize traffic at the ADSL level, as well as with QOS within the IP stack. I'm not sure who would use it but ADLS2 supports channel bonding where you could join more than one pair of telephone copper together to increase the data rate. A reasonably straight-forward white paper on ADSL2 and ADSL2+ can be found here. http://www.dslprime.com/a/adsl21.pdf (The IEEE standard papers are definitely sleep-inducement material). Sorry, this is not a definite answer as to how much bandwidth you would lose but it would appear that you would lose at least 50kb/s and probably more if the lines in your area are succeptable to a lot of interference. Whether or not that is important to you needs to be weighed up with the very-likely support requriements of Ihug. They may only support ADSL2 equipment with that connection. Brett. > -----Original Message----- > From: Steve Holdoway [mailto:[EMAIL PROTECTED] > Sent: Tuesday, 31 October 2006 12:43 p.m. > To: [email protected] > Subject: OT: ADSL/ADSL2 > > Now that Ihug have released their new plans, I'm looking at > upgrading. However, there may be some hidden costs ( apart > from having completely forgotten the password ). > > It's my understanding that the new 7600/800kbit plan is ADSL2. > > I've got an old Alcatel speedtouch 510 router, which is ADSL. > Dies anyone know a) whether I'm correct, and more importantly > b) what performance hit will I get from not upgrading to an > ADSL2 beastie? > > Cheers, > > Steve >
