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ZDNet Dictionary Definition
- IPv4
- (Internet Protocol Version 4) The current version of the IP protocol. See IPv6.
- Full IPv4 Definition >>
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- ARIN CEO reminds: be prepared for Internet numbering expansion
- Thank youAppreciate it, Joe. Will new routers work?I have a fairly new router, but in all of the screens it only shows IPv4 addresses :(. Any idea what the state of home routers is?I imagine mixed systems will still be possible - as long as your router is capable of...
- Discussion threads 2009-10-29
- Will the Internet 'fill up'? A video investigation
- Will the Internet 'fill up'? A video investigationPerhaps they meant IPv4...Perhaps they meant IPv4. Or, probably more likely, they meant IPv4 and didn't know they meant it :P
- Discussion threads 2009-05-20
- ICANN: Largest change to domain name system in history
- ICANN: Largest change to domain name system in history"By far the largest group..."?[i]ICANN?s vice president of corporate affairs, kicked off the press conference by noting that more than 1,200 people attended the Mexico City meeting, and ?By far the largest group attending this meeting were Mexican nationals. That?s the first...
- Discussion threads 2009-03-06
- Why Install IPv6 Instead Of IPv4?
- The original framers of ARPAnet did not foresee the growth of what is now known as the Internet, or that the IPv4 address structure would fall short of the addresses needed, or all the new devices that would need IP addressing. Consequently, the IPv4 addresses are being exhausted. IPv6 satisfies...
- White papers 2009-01-16
- aSubnet 1.0.1 (Mobile)
- Calculate your IPv4 Subnets just with a wipe of your finger. Just slide thru all 32 possibilities of a IPv4 Network and calculate in realtime your network mask in decimal or hex notation.
- Software downloads 2008-08-15
- IPv6: Why Move to the Next Generation of the Internet Protocol?
- The vast majority of networks today, including the Internet, are based on the Internet Protocol, version 4 (IPv4) protocol. Developed over 25 years ago, IPv4 is showing its age. Its 32-bit addressing cannot accommodate the explosive growth worldwide of network-connected devices, particularly in Asia and China. It is estimated that...
- White papers 2008-05-01
- Migrating to IPv6 on the Solaris OS
- The biggest difference between IPv4 and IPv6 is addressing, because IPv6 uses 128 bits for addressing compared to IPv4, which uses 32 bits. IPv6 can be used to specify 2 128 (about 3.4 x 10 38) addresses or about 5 x 10 28 unique addresses for each of the 6.5...
- White papers 2008-03-01
- CCIE Routing and Switching Mock Labs Boot Camp
- Instantly save $300 off the standard course price when you register on TechRepublic, ZDNet, or BNET! Offer ends June 26, 2009.View Available Dates and LocationsThis intensive, lab-based course is the second in our curriculum designed specifically to prepare you for the CCIE Routing and Switching Lab Exam. The...
- Training 2008-01-01
- Migrating to IPv6
- View Available Dates and LocationsThis powerful, hands-on course covers all you need to know about IPv6 technology as well as its implementation and deployment within your network environments. The IPv6 protocol offers 128-bit IP addresses compared to IPv4's 32-bit addresses and plays a growing role in security,...
- Training 2008-01-01
- IP Subnet Calculator for IPv4 and IPv6 1.1.2007.1126 (Mac)
- Input an IP address and choose one of the following: number of subnet bits, the maximum number of desired subnets, the number of host bits, or the maximum number of desired hosts. The calculator gives you a bit-by-bit address visualization and generates a complete table of subnets. CIDR allows multiple...
- Software downloads 2007-12-19
- IP Subnet Calculator for IPv4 and IPv6 1.02 (Windows)
- Input an IP address and choose one of the following: number of subnet bits, the maximum number of desired subnets, the number of host bits, or the maximum number of desired hosts. The calculator gives you a bit-by-bit address visualization and generates a complete table of subnets. CIDR allows multiple...
- Software downloads 2007-11-06
- Federal Agencies and the Transition to IPv6
- Although migrating from IPv4 to IPv6 may be strategically and technically challenging, many organizations are actually more prepared to begin the transition than they may realize: much of the current IPv4 infrastructure is IPv6 capable, and approximately one third of the deployed desktop systems are IPv6 capable. Additionally, a key...
- White papers 2007-02-01
- The Teredo Protocol: Tunneling Past Network Security and Other Security Implications
- Teredo is a platform-independent protocol developed by Microsoft, which is enabled by default in Windows Vista. Teredo provides a way for nodes located behind an IPv4 NAT to connect to IPv6 nodes on the Internet. However, by tunneling IPv6 traffic over IPv4 UDP through the NAT and directly to the...
- White papers 2006-11-22
- The truth about the IPv6 transition
- The truth about the IPv6 transitionI'm in total agreement....... IPv6 is a solution whose problem has vanished. Efficient IPv4 and NAT will manage very nicely. In the worst scenario I can think of there are 6 billion humans on the planet and IPv4 supports a few billion addresses. That probably...
- Discussion threads 2006-11-13
- Robert Cringely shows blatant ignorance of networking
- Robert Cringely shows blatant ignorance of networkingRight on George!That PBS guy is a typical "journalist". Like most journalists, he pops off with great abandon on topics he has little or no knowledge about. The errors in that column are indicitive of someone who's read the dictionary, but doesn't really understand...
- Discussion threads 2006-11-06
- Robert Cringely shows blatant ignorance of networking
- Normally I don't get too worked up when someone makes a complete fool out of themselves on networking issues but when a well known pundit like Robert Cringely of PBS writes an article that's filled with errors from beginning to finish about IPv6, I have to ...
- Blog posts 2006-11-06
- DNS fear mongering and Windows Vista
- DNS fear mongering and Windows VistaOpenDNSI agree George.This is what I like to call 'borrowing trouble'.As web infrastructure continues to expand, so too will DNS.I personally have found using changing my DNS setting to point to [url=http://www.opendns.com]OpenDNS[/url] has made a big difference in overall web page retrieval times.Faster, safer DNS...
- Discussion threads 2006-09-06
- TCP IP Quick Guide 2005 (Windows)
- A quick reference for IT/networking professionals and students who are learning and using TCP/IP; Comprehensive protocol map focus on TCP/IP protocol suite and key layer 1 and 2 LAN, WAN an MAN protocols; Detailed explanations of IPv4 and IPv6; IPv4 and IPv6 addressing schemes; IPv4 and Ipv6 comparison; TCP and...
- Software downloads 2006-03-24
- IPv6 Migration Planning: Help for Getting There From Here
- The Network Infrastructure Detailed Design Development is a hands-on, collaborative effort between the agency networking staff and Cisco Advanced Services engineers. It includes the IPv6 Posture Assessment as well as staff interviews and a detailed network design review. The deliverable is detailed design documentation that the agency can either execute...
- White papers 2006-01-01
- TCP/IP Quick Guide 2005 (Windows)
- A "Must have" quick reference for IT/Networking professionals and students who are learning and using TCP/IP; Comprehensive Protocol Map focus on TCP/IP protocol suite and key layer 1 and 2 LAN, WAN an MAN protocols; Detailed explanations of IPv4 and IPv6; IPv4 and IPv6 addressing schemes; IPv4 and Ipv6 comparison;...
- Software downloads 2005-06-19
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