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Stateless Auto Configuration
General

Stateless Auto Configuration

Introduction Stateless Auto Configuration is an important feature offered by the IPv6 protocol. It allows the various devices attached to an IPv6 network to connect to the Internet using the Stateless Auto Configuration without requiring any intermediate IP support in the form of a Dynamic Host Configuration Protocol (DHCP) server. A DHCP server holds a…

IPv6 Addressing
General

IPv6 Addressing

Intro One of the main benefits of Internet Protocol version 6 (IPv6) over previously used Internet Protocol version 4 (IPv4) is the large address-space that contains (addressing) information to route packets for the next generation¬†Internet. IPv6 supports 128-bit address space and can potentially support 2128 or 3.4W1038 unique IP addresses (as opposed to 32-bit address…

IPv6 and the 2008 Beijing Olympics
General

IPv6 and the 2008 Beijing Olympics

Introduction The 2008 Beijing Olympics is going to experience the widest ever use of broadband and mobility services supported on IPv6 capability. This will make this sporting event a fabulously unique media event that is expected to completely¬†surpass any other event in the use of electronic and hi-tech features. As thousands of engineers, technologists have…

VPN – Virtual Private Network
Security

VPN – Virtual Private Network

Overview VPN widely known as Virtual Private Network, is a communications network tunneled through another network, and dedicated for a specific network. In simple terms it can be defined as connecting two private networks through the public or shared network that is internet. VPNs helps to transmit information via publicly shared network infrastructures by establishing…

Business Guide: Migrating to IPv6
Guides

Business Guide: Migrating to IPv6

Introduction The need for migration to the new version of the Internet Protocol IPv6 is now a foregone conclusion, with an expected timeline of 2010 to 2012. Countries like China and Japan are already well ahead of the rest of the world in their implementation efforts. IPv6 is the likely preferred choice of individuals and…

IPv6 Deployment Around The World
Deployment

IPv6 Deployment Around The World

Introduction As a first step towards deploying IPv6 (that will co-exist with IPv4) across the Globe, the IPv6 Forum was formed in July 1999. Its common mission is to educate Internet users on the advantages of the IPv6 protocol, and to promote and implement the worldwide deployment of this protocol. It has an impressive membership…

802.11n Wireless Standard
Wireless

802.11n Wireless Standard

Overview IEEE 802.11n is a proposed amendment to the wireless networking IEEE standard 802.11-2007 for improving system performance. The standard 802.11 also referred as Wi-Fi, offers wireless LAN for devices such as laptop computers and cellular phones at home, office, and commercial establishments. The existing standard, 802.11g ratified in 2003 is inadequate due to the…

Fixed Mobile Convergence
Mobile

Fixed Mobile Convergence

Overview Fixed Mobile Convergence (FMC) is the technological convergence of fixed and mobile services. It offers a way to connect a mobile phone to a fixed line infrastructure so that operators can provide services to their users irrespective of their location, access technology, and terminal. FMC enables converged services across the fixed, mobile and internet…

ARP – Address Resolution Protocol
General

ARP – Address Resolution Protocol

Overview Address Resolution Protocol (ARP) is a predominant protocol for finding a host’s hardware address when only its network layer address is known. This protocol operates below the network layer as a part of the interface between the OSI network and OSI link layer. It is used when IPv4 is used over Ethernet.Before stepping into…

US Government using IPv6
General

US Government using IPv6

Introduction June 30, 2008 is the deadline set by the US Government’s Office of Management and Budget (OMB) for federal agencies to be up and running with IPv6. In order to have a smooth transition to v6, these agencies ought to have in place their inventories of the related hardware and software requirements and also…

Secure Neighbor Discovery (SEND)
Research

Secure Neighbor Discovery (SEND)

Overview Neighbor Discovery Protocol (NDP) is defined in RFCs 2461[7] and 2462[8]. It has specific functions like Neighbor Discovery (ND), Address Auto-configuration, Router Discovery (RD), Neighbor Un-reachability Detection (NUD), Address Resolution, Duplicate Address Detection (DAD), Redirection etc. The NDP message format is given below. Cryptographic Generated Addresses (CGA) In basic CGA, 62 bits are used…