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In addition to these gTLDs, the DNS also includes another set of top-level domains known as country code 9L0-509 top-level domains, or ccTLDs. These were created to represent individual countries, and include two-letter codes such as .au (Australia), .fr (France), .gh (Ghana), and .in (India).

Actors Involved

ICANN, a non-profit corporation formed to manage the DNS by the US government in 1998, is the main body responsible 9L0-402 audio exam for governance of the DNS. At its founding, ICANN was upheld as a new model for governance on the Internet – one that would be international, democratic, and include a wide variety of stakeholders from all sectors.

Almost from the 9L0-509 start, however, ICANN has proven to be controversial, and its many shortcomings (perceived or real) have led some observers to conclude that a more traditional system of governance, modeled after multilateral organization like ITU or the UN, would be more appropriate for Internet governance. Indeed, although not always explicitly mentioned, one sub-text of the WSIS process is, precisely, such a rethink of governance models. Many developing countries, in particular, would like to see a 9L0-402 dumps greater role for national governments, and a distancing of core DNS functions from the US government, under whose aegis ICANN still functions.

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The coordination and management of the DNS is another key area requiring governance at the logical layer. In SY0-101 recent years, the DNS has been the focus of some of the most heated (and most interesting) debates over governance, largely due to the central role played by ICANN.21

Understanding the DNS

In order to understand some of the governance issues surrounding the DNS, it is first necessary to understand what the DNS is, and how it functions. Operating as a lookup system, the DNS allows users to CISSP use memorable alphanumeric names to identify network services such as the World Wide Web and email servers. It is a system that maps names (e.g., www.undp.org) to a string of four numbers separated by periods called IP addresses (e.g., 165.65.35.38).

Until 2000, the Internet had eight top-level domain names: .arpa, .com, .net, .org, .int, .edu, .gov and .mil. These domains are called generic top-level domains, or gTLDs. As the Internet grew, there were increasing calls for more top-level domain names to be added, and, in 2000, ICANN announced SSCP seven new gTLDs: .aero, .biz, .coop, .info, .museum, .name, and .pro. Another series of new gTLDs have also been announced recently, although not all of them are yet operational.

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In 2003 the New South Wales (NSW) state government unilaterally established the NSW Greenhouse Gas Abatement Scheme to reduce emissions by requiring electricity generators and large consumers to purchase NSW Greenhouse Abatement Certificates (NGACs). This 9L0 509 has prompted the rollout of free energy-efficient compact fluorescent lightbulbs and other energy-efficiency measures, funded by the credits. This scheme has been criticised by the Centre for Energy and Environmental Markets of the UNSW (CEEM) because of its reliance upon offsets.

On 4 June 2007, former Prime Minister John Howard announced an Australian Carbon Trading Scheme to be introduced by 2012, but opposition parties called the plan "too little, too late."On 24 November 2007 Howard's coalition government lost a general election and was 9L0 402 succeeded by the Labor Party, with Kevin Rudd taking over as prime minister. Prime Minister Rudd announced that a cap-and-trade emissions trading scheme would be introduced in 2010.

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The Kyoto Protocol is a 1997 international treaty which came into force in 2005, which binds most developed nations to a cap and trade system for the six major greenhouse gases.642-901 (The United States is the only industrialized nation under Annex I which has not ratified and therefore is not bound by it.) Emission quotas were agreed by each participating country, with the intention of reducing their overall emissions by 5.2% of their 1990 levels by the end of 2012.646-230 Under the treaty, for the 5-year compliance period from 2008 until 2012,nations that emit less than their quota will be able to sell emissions credits to nations that exceed their quota.

It is also possible for developed countries within the trading scheme to sponsor carbon projects 650-621 that provide a reduction in greenhouse gas emissions in other countries, as a way of generating tradeable

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A third option, known as a safety valve, is a hybrid of the price and quantity instruments.9L0-402 The system is essentially an emission cap and tradeable permit system but the maximum (or minimum) permit price is capped. Emitters have the choice of either obtaining permits in the marketplace or purchasing them 9L0-509 Exam from the government at a specified trigger price (which could be adjusted over time). The system is sometimes recommended as a way of overcoming the fundamental disadvantages of both systems by giving governments the flexibility to adjust the system as new information comes to light.9L0-509 It can be shown that by setting the trigger price high enough, or the number of permits low enough, the safety valve can be used to mimic either a pure quantity or pure price mechanism.

All three methods are being used as policy instruments to control greenhouse gas emissions: the EU-ETS is a quantity system using the cap and trading system to meet targets set by National 9L0-402 Braindump Allocation Plans, the UK's Climate Change Levy is a price system using a direct carbon tax, while China uses the CO2 market price for funding