The switch over to the latest technology has become essential, as the initial version of address platform, IPv4, is at present overloaded with 18.4 million registered addresses in India and will run out of space by March 2012. With the rollout of 3G and BWA services, for which spectrum auctions were conducted recently, the deficit is bound to become more acute.

IPv6 offers a larger address space than the current IPv4, as it uses 128-bit address as compared to the limited addressing space of only 32 bits in IPv4.

Minister of Communications & Information Technology A Raja said during the road map release that the government has initiated action at the right time and all stakeholders should make a concerted effort to migrate to the higher platform. To this end, all Telecom and Internet Service providers need to become IPv6-compliant by December 2011 and should offer IPv6 services thereafter, the Press Information Bureau statement reveals.

Sachin Pilot, Minister of State for Communications & Information Technology, said during the release that IPv4 has served well for the last 25 years, but with Internet Protocol emerging as the global standard for communication, it is facing practical limitations. The new IPv6 will offer unlimited addresses in addition to a host of new, advanced features, vital for running future communication networks.

The National IPv6 Deployment Roadmap was developed by the Telecommunication Engineering Centre (TEC), the technical arm of the Department of Telecommunications (DoT) after conducting various workshops all over the country for the past one year.

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At the end of the 48-hour countdown, the 44-meter tall four-stage PSLV-C12 blasted off from the second launch pad with the ignition of the core first stage.

The Polar Satellite Launch Vehicle, weighing 230 tonnes at the time of launch, soared into a clear sky at 6.45am(local time) from the spaceport here, about 90 km north of Chennai.

This is the 15th flight of ISRO’s workhorse PSLV, which had launched 30 satellites (14 for India and 16 for foreign countries) into a variety of orbits since 1993.

The launch vehicle carries two payloads – RISAT-2 (with all weather capability to take images of Earth) and ANUSAT (the first satellite built by an Indian University to demonstrate the technologies related to message store and forward operations).

The rocket would place both the satellites in their orbits around the earth shortly.

What’s RISAT?

Designed by the Israeli Aerospace Industries, RISAT can take images through the thickest cloud cover, rain, snow or fog conditions during night and day.

While the RISAT will be used extensively for purposes like mapping, managing natural disasters and surveying the seas, it can also see through camouflage like cloth or foliage used to conceal camps or vehicles.

RISAT will enable India to keep a watch on terror camps, military installations across boundaries, missile sites and suchlike.
However, RISAT is not India’s first spy satellite. The Technology Experiment Satellite has been used for photo-reconnaissance since 2001.

But unlike previous remote sensing satellites, RISAT is the first with a synthetic aperture radar, which gives it a day-night, all-weather snooping capability.

It should also help keep track of ships at sea that could pose a threat.
The RISAT will reduce India’s dependence on foreign suppliers like Ikonos for satellite imagery. But many more gaps need to be plugged. Despite the desperate need, India is still awaiting a dedicated military satellite.

Source: Kerala Online

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http://www.bsnl.co.in/onlinedirectory.htm

They have different directories for each state, you can check you state and start finding

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