Monday 31 March 2014

Current Affairs-2

Amnesty International released Global death penalty report 2013



Amnesty International released the Global Death Penalty Report 2013 in London, with a call on governments who still killed in the name of justice to impose a moratorium on the death penalty with a view to abolishing it.
 Highlights of annual Amnesty International report 2013
•             At least 22 countries which are still applying death penalty, consider the abolition of capital punishment as a top priority. Also, the number of countries which use the death penalty has reduced in the last 20 years.
•             World’s Top executioner: China.
•             Overall 32 countries signed pardons on death sentences viz.Afghanistan, India, Indonesia, Iran, Japan, Saudi Arabia, SouthKorea, the United Arab Emirates (UAE), USA, etc.
•             Countries vindicated convicts: Afghanistan, Bangladesh, Egypt, India, the UAE and USA.
•             Nine persistent executioners or ‘The 9 Worst Offenders’ (as they were known to execute every year since 2007 to 2013): China, Iran, Iraq, Saudi Arabia, USA, Yemen, Sudan, Bangladesh and North Korea.
•             Public executions were known to occur:Iran, North Korea, Saudi Arabia and Somalia.
•             No executions were reported in Singapore, while several death-row prisoners had their sentences commuted in that country in 2013.
•             Pacific sub-region continued to be a virtually death penalty-free zone, despite threats from Papua New Guinea to resume executions.
•             For the first time since 2009, Europe and Central Asia was anexecution-free zone, with the only country still clinging to the death penalty being Belarus, although that country did not put anyone to death in 2013.
Indian figures of annual Amnesty International report 2013:
•             President Pranab Mukherjee rejected the mercy petitions of 18 prisoners on death row in 2013, the highest number of rejections by any President in the last 25 years.
•             The international standards were violated on the execution of Mohammad Afzal Guru in February 2013.
•             Raised concerns about the fairness of Afzal Guru’s trial viz. he did not receive legal representation of his choice or a lawyer with adequate experience at the trial stage, Afzal Guru’s family were not informed in time of his imminent execution and his body was not returned to the family for last rites and burial.
•             72 new death sentences were known to have been imposed throughout the year and at least 400 people were believed to be on death row at the end of the year.
•             Type: Non-profit NGO.
•             Founded: July 1961 by Peter Benenson in the United Kingdom.
•             Headquarters: Global International Secretariat in London, United Kingdom.
•             Objective: To conduct research and generate action to prevent and end grave abuses of human rights, and to demand justice for those whose rights have been violated.

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Saturday 29 March 2014

Current Affairs-1

Internet transition to speedier Internet Protocol version 6 (IPv6)


The Internet transition from the current Internet Protocol IPv4 to the next-generation Internet protocol IPv6 is set to speed up in 2014 as web addresses under the system IPv4 come to an end. IPv6 addresses are longer and more complex than the familiar 192.168.0.1-style IPv4 addresses.
 Why the internet transition from IPv4 to IPv6 is taking place?
With the growth of the Internet, the number of unused IPv4 addresses will eventually run out soon because every device viz. computers, smartphones, game consoles, etc, that connects to the Internet requires an address. IPv4 provides only 4.3 billion addresses i.e. not enough as the Internet continues to grow exponentially. The new Internet addressing system Internet Protocol version 6 (IPv6) is being deployed to fulfill the need for more Internet addresses.
·         Switchover from IPv4 to IPv6 will bring about many changes viz. No more NAT (Network Address Translation), Auto-configuration, No more private address collisions, Better multicast routing, Simpler header format,  Simplified, more efficient routing, True quality of service (QoS), also called “flow labeling”, Built-in authentication and privacy support, Flexible options and extensions, Easier administration, etc.
About Internet protocol (IP)
  • A protocol by which data is sent from one computer to another on the Internet.
  • Each computer (known as a host) on the Internet has at least one IP address that uniquely identifies it from all other computers on the Internet.
  • Current versions of Internet Protocol (IP): IPv4 and IPv6.
IPv6 (Internet Protocol Version 6)- Latest version of the Internet Protocol (IP)
  • Provides an identification and location system for computers on networks and routes traffic across the Internet.
  • Address: 128-bit long written in hexadecimal and separated by colons.
  • More efficient and more secure than IPv4.
  • Provides for trillions of “IP” numbers or addresses.
  • Permit automatic setup and quality control.
IPv4 (Internet Protocol Version 4)
  • nFourth revision of the Internet Protocol (IP) used to identify devices on a network through an addressing system.
  • Operates on a best effort delivery model, in that it does not guarantee delivery, nor does it assure proper sequencing or avoidance of duplicate delivery.
  • Uses a 32-bit address scheme.  

Provides only 4.3 billion addresses (i.e. not enough as the Internet continues to grow exponentially.