Ipv4 vs Ipv6

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IPv4 vs. IPv6
Dorina Dibra South Eastern European University dorina.dibra@gmail.com

ABSTRACT
Network improvement has become follower in today’s modern life. The more we work the more we are affected to network and thus normally having always new requirements. To implement more efficient methods is needed first to predicate them. This predication needs to be developed before the requirements are very high. Users always expect more from networking while they compare old and current methods they’re working on. If network improvement performs poorly it would damage many businesses, consumer satisfaction etc, thus forthcoming of network should always be improved and not go down. One of the greatest improvements made on network field was inventing a new version of Internet Protocol (version 6), which in comparison with the current Internet Protocol - Version 4, provides more internet growth and in number of users 1 and functionality. the possibility for each device to have a permanent IP. Since there are more than 4 million computer devices involved on network communication, IP addresses must change time after time in order to give an IP address to every new user that enters the network that time. This problem was solved revealing newer version of Internet Protocol providing more IP addresses, called Internet Protocol Version 6 - IPv6. Developed on 1995, it was a new version of the Internet Protocol, designed as a successor to IP 3 version 4 (IPv4). Although this technology was fond it is still not implemented but is obvious that the future of networking and Internet technology will use IPv6 on their IT infrastructure.

2. OVERVIEW PROTOCOLS

OF

INTERNET

General terms:
IT, Internet Protocol, Packed-switching, QoS (quality of service), multicasting, latency, ATM (Asynchronous Transfer Mode).

1. INTRODUCTION
Internet Protocol is the common “language” that computer devices use to communicate 2 between each-other over the internet. It is the most widely-used method for



References: 1 www.cio.gov/documents/IPv6_Transition_Guidance.doc, pp.3 http://www.ietf.org/rfc/rfc1883.txt (Introduction) 3 http://www.ietf.org/rfc/rfc0760.txt 4 http://www.ietf.org/rfc/rfc0760.txt (Introduction, 1.4 Operation, page 1) 5 http://i.ehow.com/images/GlobalPhoto/Articles/4777526/114244-main_Full.jpg 6 http://en.wikipedia.org/wiki/Internet_Protocol (Introduction part) 7 http://en.wikipedia.org/wiki/Internet_Protocol (Introduction part) 8 CISCO Networking Academy, CCNA Exploration 4.o, Routing protocols and concepts, Introduction to Routing and Packed Forwarding, Path determination and switching functions, 1.4.1.1, 2007. 9 http://en.wikipedia.org/wiki/IPv4 10 http://upload.wikimedia.org/wikipedia/commons/thumb/c/c6/Ipv4_address_swe.svg/750 px-Ipv4_address_swe.svg.png 11 http://www.netcordia.com/tnm/tnm24/nat.htm 12 http://www.netcordia.com/tnm/tnm24/nat.htm 13 http://www.ietf.org/rfc/rfc1883.txt 14 http://en.wikipedia.org/wiki/IP_address#IP_version_6_addresses 15 http://commons.wikimedia.org/wiki/File:Ipv6_address.svg 16 http://www.cisco.com/web/about/ac123/ac147/images/ipj/ipj_9-3/93_ipv6_fig1_lg.jpg 17 http://en.wikipedia.org/wiki/IP_address#IP_version_6_addresses 18 www.cio.gov/documents/IPv6_Transition_Guidance.doc pp. 7 19 www.cio.gov/documents/IPv6_Transition_Guidance.doc pp. 6 20 http://e-articles.info/e/a/title/Limitations-of-IPv4/ 21 http://www.netdummy.net/qos.html 22 www.cio.gov/documents/IPv6_Transition_Guidance.doc pp.7 23 Sean Convery, Darrin Miller, IPv6 and IPv4 Threat Comparison and Best-Practice Evaluation (v1.0), pp. 5, 2004. 24 http://en.wikipedia.org/wiki/IPv6#Mobility 25 http://www.tcpipguide.com/free/t_TransitionfromIPv4toIPv6.htm 26 http://www.tcpipguide.com/free/t_TransitionfromIPv4toIPv6-3.htm 27 http://www.tcpipguide.com/free/t_IPv6IPv4AddressEmbedding-2.htm 2 December, 2009 7

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