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iiNet doubles ADSL speeds with pair bonding

iiNet has launched a service that provides increased ADSL2+ bandwidth, both upstream and downstream, by bonding together two copper pairs.

The service is billed as a low cost option for small businesses that find ADSL2+ inadequate either because of poor quality lines or distance from the exchange, but do not want the cost of upgrading to fibre, or more costly SHDSL services.

Users pay the standard rate for an iiNet ADSL2+ business service, depending upon the download quota they need (prices start at $59.95 per month) and then an additional $99 per month for the bonding upgrade. The modem costs $419 and there is $150 or $79.95 set up charge for naked DSL or line shared DSL services respectively.

The modem has been sourced from ZyXEL and supports Annex M, which provides twice the upstream bandwidth (per pair) as the standard ADSL Annex L. It also has stateful packet inspection, anti-denial-of-service attack and port scanning, IGMP proxy/snooping for IP multicast and port-based VLAN to support triple-play services.

Internet says it has tested the modem over real customer lines and has achieved 30.266/2.656Mbps down/up over 1336 metres; 17.533/2.297Mbps over 2585 metres, 31.800/2.102Mbps over 1933 metres; 40.288/3.304Mbps over 145 metres; 15.438/1.862Mbps over 2453 metres and 10.546/2.271Mbps over 3954 metres.

iiNet's manager, business, Steve Harley told ExchangeDaily that the service was available to any business customer served by iiNet's own DSLAMs. "We have about 42,000 business customers nationwide and our bonded DSL is available to about 85 percent of those."


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He added that, while iiNet's DSLAMs had been able to support the service for several years, a lack of CPE had precluded its earlier introduction. Overseas the technology had been used primarily for load balancing across the two pairs and getting the initial ZyXEL modem properly configured and approved for use in Australia had required extensive modifications to the firmware, Harley said.

He added that the company was planning to introduce products from another two vendors with more features for business customers, such as remote access and support for VPNs.

Harley said that iiNet had already launched a demand register for the service and received several hundred registrations. "These weren't customers looking for 30 or 40Mbps; they were customers three or four kilometres from the exchange and getting only 3 or 4Mbps but not wanting to spend a thousand dollars a month plus for SHDSL or fibre."

Internode has used pair bonding to offer higher speeds since last year. However its service is only available in the central areas of Adelaide, Sydney and Melbourne, and is a much more costly symmetrical SHDSL service, Prices start at $700 per month for a 5.5Mbps service, and there is a $1500 set up fee.



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