Victorian Govt raises NBN design concerns

 

Emergency scrutiny.

The Victorian Government has questioned the extent to which NBN Co has thought about emergency communications needs in its network design.

The state said in a senate submission [pdf] that emergency management requirements "should be a mandatory element in the planning and implementation of any new communication technology".

It noted that although emergency needs were best incorporated "in the design phase", there was an "apparent lack of transparency" in NBN Co's network design.

There was an "absence of any strong indication that the requirements of a communications network in a disaster are being considered," the Victorian Government wrote.

The state also raised concerns that satellite and fixed wireless users would not get the same battery back-up protection as fibre users to keep phone services running in the event of a mains power outage.

"It is assumed that these areas will be dependent on mobile coverage and/or legacy copper networks, which is of concern," it noted.

"This has implications on the issue of warnings and information to affected communities."

Victoria urged that legacy systems not be decommissioned until "until the capability of new systems and technologies, especially in an emergency management context, have been proven".

The state's submission consolidated views from 14 departments and agencies including Premier & Cabinet, Treasury & Finance and those that dealt with various elements of emergency services.

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Victorian Govt raises NBN design concerns
"No, David, the 14-POI model had fewer points of failure, because it provided for multiple redundant paths from regional centres back to redundant POIs in each capital city, and all of this under ..."
By umbria
 
 
 
Comments: 4
EMwyres
Jun 3, 2011 9:44 AM
Heh, it seems the bureaucrat that come up with this failed to recognise that NBN Co will not be providing native voice services on the wireless and satellite platforms, and that indeed those areas will keep their copper network - completely removing the need for battery backup in those premises.
David Havyatt
Jun 3, 2011 9:45 AM
I can understand the Victorian Government's concern about the network architecture of the NBN fibre network and emergencies, though at least the 120 POI model has less single points of failure than NBN Co's proposal.

However, I don't get the concern about "battery back-up". What use is battery back-up of the phone if all your other communication devices - the PC, the television, many radios - are mains powered.

Isn't it time State Governments - who are responsible for energy provision - addressed the question of how best to ensure continuity of power in emergencies. There are options but none of them ever get discussed.
walteradamson
Jun 3, 2011 9:51 AM
AH! and comments about the design are probably best made before the design phase has been completed! horse bolted
umbria
Jun 4, 2011 2:45 AM
No, David, the 14-POI model had fewer points of failure, because it provided for multiple redundant paths from regional centres back to redundant POIs in each capital city, and all of this under consolidated management by NBNCo staff. (It also gave smaller RSPs a fighting chance against incumbent fibre owners, i.e. was better for competition, not worse.)

You could gold-plate the power grid and power would still inevitably fail for an extended period in less populated areas sometimes. Fortunately, outside Sydney and Melbourne people are generally well aware of the emergency advice to keep a battery-powered radio and spare batteries on hand. More remote residents know they need a UHF radio and spare batteries.

The reliability of the aerial fibre in Townsville, where even a category 5 cyclone only damaged three out of 79 fibre links which were quickly re-spliced, suggests that a fibre NBN will also be very resilient in the event of town-based disasters, unlike submerged electrified copper.

I am not the only one who is completely gobsmacked at the excellence of design of the NBN, if only the ACCC can now be convinced to revert to the pro-competition and more robust 14-POI arrangement which it is indeed going to reconsider during June.
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