Globalising Nation-states
The late nineteenth and early twentieth century were the glory days of the nation-state. Countries were far more closed economically, bureaucratically; in migration, capital and labour.
Due to the protectionist nature of the nation-state, they grew larger to reduce the internal costs of trade and bureaucracy. The larger nation-states that bordered on empire, shed their expensive and burdensome external colonies who then formed their own nation-states.
Australia being a good example of that process.
The big ol' centralised nation-state was a product of the technology of the time. Communications were still slow, as was trade, the movement of capital and the flows of labour. But they were fast enough to support larger centralised political and bureaucratic structures than had been previously possible.
As the twentieth century progressed; so did technology. Communications started getting faster, intra-nation-state travel became easier, faster and more democratic (poorer people could afford it).
The closed and inviolate structures of the nation-state collapsed into world-wide warfare. Not once; but twice in the space of thirty years.
Where once nation-states had bi-lateral treaties with each other that conflated quickly to world war, these were sought to be replaced with supra-national structures which over-lapped the sovereignty of the nation-states.
This was a significant loss of sovereignty for the nation-states despite agreeing to many of the supra-national policies willingly.
The recent American neo-conservative and Australian conservative doctrines have tried to re-establish nation-state sovereignty through hostility to the UN, WTO and IMF and seeking to go around those structures with bi-lateral trade treaties and non-UN military deployments. It is a losing battle however.
Post WWII has seen an acceleration in globalisation as the movement of money, goods and people were drastically reduced in cost. This acceleration hit light-speed with the internet as global communication commoditised drastically.
The former responsibilities of the nation-state's big central bureaucracy were border-control, money-control, trade-management and customs.
Globalisation has sucker-punched each of these.
Border control is becoming meaningless. In the US approximately 12 million Mexicans live and work there without state recognition, control or sovereignty over them. The nation-state bureaucracy, legislation and social services are meaningless to those 12 million. They survive, thrive and live without the state.
Australia faces the similar pressures despite having oceans between it and other countries. The nation-state does not know how to handle border-protection. Australia has established camps offshore under executive decree - a state of emergency.
This has been costly. In 2002 it cost $55,400 per refugee to house them offshore. It is cheaper for the nation-state to let them into the country and put them on the dole. The US is finding similar issues, the money being spent on border protection has doubled, but the same number of border-jumpers are being caught as in the past.
Nation-states also act as major inhibitors to labour flows. Despite this people are moving around the world in increasing numbers for work. The Australian diaspora is approximately 5% of the population who are living and working outside of Australia at any one time.
Trade has been opening up, but even here the nation-state is an inhibitor to prosperity. Take Apple's iTunes for instance. It is an internet service which by existing; has global reach. Yet it is not a global service at this point in time as the nation-state's local laws and regulations.
Other than the nation-state, there is no reason why iTunes should not have been globally available to consumers when it was turned on.
Shrinking Nation-states
The increasing flows of money, trade and labour have meant that the costs for local political autonomy are decreasing. No longer does a smaller political system have to maintain currency, an internal economic market, or local subsidies to agriculture/manufacturing to ensure that the population has sufficient economic access to needs and wants.
In the late nineteenth century a large nation-state like Austro-Hungary was necessary to maintain internal prosperity. Today Austria, Hungary, Czech Republic, Serbia, Croatia, Slovenia, Bosnia, Montenegro, Liechtenstein, Romania, Bulgaria and Slovakia exist as nation-states.
Additionally, Austria, Czech Republic, Hungary, Slovakia, Slovenia are now part of the European Union, effectively outsourcing currency and central banking to the supra-national organisation.
Canberra: Justify
Australia has flown in the face of globalisation and radically centralised its structure to something approximating nineteenth century Britain. Federalism, subsidiarity, local autonomy and state sovereignty are no longer political principles or practise in Australia.
Canberra and its political parties are united in seeking glory under unitary government. The nation-state level becomes the sole location of government.
Australia is not so inviolate an entity though. The Commonwealth and NSW nearly went to civil war over payment of debt issues. Western Australia successfully voted to secede from the Commonwealth. There are separatist movements in Northern NSW and Queensland. Australia has
several micro-states
within its borders.
The federal government has managed to quell many of these political disturbances in the last fifty years by dominating taxation and leaving the states vassal to the Commonwealth's hand-outs; but even so, there remain highly provincial cultural and economic identities in Australia.
If Australia does undergo devolution, or untying as Enriquez calls it, then there will most likely be Western Australia and Northern Territory split off as one economic group; NSW and Victoria as another; and Queensland as the third. All three of those economic grouping have strong shared cultural/ethnic identities as well.
Australia is not inviolate and indivisible.
The Australian Nation-state
There is still a role for the nation-state. The inter-tangled international issues, treaties and sovereignties will only increase in complexity as they incrementally over-lap more and more. The nation-state is the best location for collective decision making and expertise on these issues.
While there are still nation-states defence will remain an issue and this is best handled at the national level. The same goes for disturbances in globalised order such as piracy, human trafficking, illegal fishing etc.
The nation-state will remain important, especially its political and international arm, but as a unitary and central authority domestically, it is flying in the face of the efficiencies globalisation brings to local politics, autonomy and sovereignty.
Australia needs a dose of devolution and decentralisation, otherwise the increasing centralisation may lead to political violence, provincial disturbance and maybe even untying.

I am an Australian living in the United States as a permanent resident.
I am a software developer by trade and mostly work in Java and jump between middleware and front end.
I originally worked in the New York area of the United States in telecommunications before moving to Washington DC and
working in a mix of telecommunications, energy and ITS. I started my own software company before heading out to
Arizona and working with Shutterfly. Since then I have joined a startup in the Phoenix area and am thoroughly enjoying myself.
I do a lot of photography which I post on this website, but also on flickr. I have a photo-journalistic website which lists
the modernist and contemporary restaurants in phoenix. I have a site on the
Australian Flying Corps [AFC] which has been around since the 1990s and which I unfortunately
lost the .org URL to during a life event; however, it is under the
www.australianflyingcorps.com URL now.
The AFC website has gone through several iterations since the 90s and the two most recent are
Australian Flying Corps Archives(2004-2002) and
Australian Flying Corps Archives(2002-1999) which are good places to start.