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ZDNet Dictionary Definition
- X.25
- The first international standard packet switching network developed in the early 1970s and published in 1976 by the CCITT now ITU. X.25 was designed to become a worldwide public...
- Full X.25 Definition >>
ZDNet Resources
- Cisco Network Solutions for the Telco DCN: Transmission Equipment in x.25 Environments
- This paper is directed to Competitive Local Exchange Carriers CLECs, Incumbent Local Exchange Carriers ILECs, and Post, Telephone, and Telegraphs PTTs, telephone companies collectively referred to as telcos. The paper describes Cisco network solutions for transporting data between various transmission network elements and the Operations Support System OSS in a...
- Tags: Network Solutions Inc., Network, Telecommunications Company, Cisco Systems Inc., X.25, Networking, Telecom & Utilities, Telecommunications
- White papers 2005-07-15
- x.25 White Paper
- In the 1970s, a set of protocols was needed to provide users with wide-area network WAN connectivity across public data networks PDNs. PDNs such as TELENET and TYMNET had achieved remarkable success, but it was felt that protocol standardization would increase subscription to PDNs by providing improved equipment compatibility and...
- Tags: International Telecommunications Union, Specification, X.25, WANs, Networking
- White papers 2000-12-05
Additional Resources
- Verdiem spruces up its Survey PC power management software
- Verdiem, one of the better known developers of power management software that counts Hewlett-Packard, Intel and Microsoft among its close partners, has delivered an impressive upgrade to its Surveyor technology. According to the Seattle-based company, the focus was on providing IT managers with even more configuration flexibility than previously available....
- Tags: Software, Power Management, PC, Power Consumption, Survey, Verdiem, Desktops, Hardware, Heather Clancy
- Blog posts 2008-05-15
- Images: Mars is getting a new visitor
- NASA's Phoenix Mars Lander is expected to search for life after it touches down near an icy region of the Red Planet on May 25.On the morning of May 25, Mars will receive a new alien contraption from Earth, the Phoenix Mars Lander. Its three month mission is to sample...
- Tags: Surface, Earth, NASA, Phoenix Technologies, It', CNET News.com
- Image galleries 2008-05-15
- Earthlink finally pulls out of Wireless Philly, but all is not lost
- Earthlink finally pulls out of Wireless Philly, but all is not lostStuff and nonsense>From day one, the purpose of Philly’s network is to increase digital inclusion and economic development. The measure of their success should be how lives and businesses are being helped in disadvantaged communities.The city to stick to...
- Tags: Wireless LANs, Wi-Fi, Wireless Philly, wireless, EarthLink Inc.
- Discussion threads 2008-05-14
- OK, Dell. Maybe your tech's greener, but what about green services?
- Great timing on Dell's part. Wait until arch-rival or at least one of them Hewlett-Packard is busy chatting up the press about a minor (ha!) services acquisition, and then WAY up the ante when it comes to an energy-efficiency proclamation. Here's the thing: While other vendors, including...
- Tags: Dell Computer Corp., Hewlett-Packard Co., Electronic Data Systems Corp., Data Centers, Mergers & Acquisitions, Corporate Law, Storage, Hardware, Data Management, Investment, Finance, Business Operations, Heather Clancy
- Blog posts 2008-05-14
- Dell: We're greener than HP
- Dell said Wednesday that it is designing its laptops and desktops to consume up to 25 percent less energy by 2010 compared to today. Welcome to the latest in the "we're greener than you" game where green technology intersects with marketing-speak. Green IT is fashionable, but increasingly...
- Tags: Dell Computer Corp., Power Management, Hewlett-Packard Co., Green Technology, Desktops, Hardware, Larry Dignan
- Blog posts 2008-05-14
- Can you see yourself running Windows Vista in 2014?
- Can you see yourself running Windows Vista in 2014?I view it as a vote againstLinux. The fact that so many people are saying that they are holding out on Vista to wait until Windows 7 is odd, as you would think the response would have been that they are going...
- Tags: Microsoft Windows Vista (Longhorn), Operating systems, Microsoft Windows, Microsoft Windows Vista, Microsoft Windows 7, Fedora Project, Fedora 9
- Discussion threads 2008-05-14
- Xbench: Psystar v. Mac mini (and all three MacBooks)
- I've completed some initial Benchmarks of the Psystar Open Computer. The results below are from Xbench 1.3 running on the following systems: Psystar Open Computer, 2.2GHz Core 2 Duo, 2GB RAM, 10.5.2 Mac mini, 2GHz Core 2 Duo, 2GB RAM, 10.5.2 ...
- Tags: Apple Macintosh, Apple Intel Mac Mini, Apple MacBook, RAM, Notebooks, Memory, Hardware, Notebooks & Tablets, Semiconductors, Components, Jason D. O\'Grady
- Blog posts 2008-05-14
- Sennheiser HD 600
- When Steve Guttenberg reviewed the Sennheiser HD 650 headphones, he rightfully called them "fit for a king"--while noting that they retail for a correspondingly princely sum of $500. Thankfully, the HD 650s aren't the only model in Sennheiser's high-end audiophile line. The Sennheiser HD 600s can be bought at a...
- Tags: Sennheiser, headphone
- Product reviews 2008-05-13
- 25-year-old BSD bug found--and fixed
- 25-year-old BSD bug found--and fixedSteve is the evil twin...The good Balmer twin, Marc, is out there doing productive things for society! ;)
- Tags: UNIX, BSD
- Discussion threads 2008-05-13
- HP seals EDS deal; Services No. 2 behind IBM; Can Hurd run EDS better?
- Updated: Hewlett-Packard CEO Mark Hurd said Tuesday he plans to use a familiar playbook to integrate Electronic Data Systems: Leverage scale, squeeze costs -- and underpromise and overdeliver. "We're running the playbook we know how to run very well," said Hurd, on a conference call with analysts....
- Tags: Hewlett-Packard Co., Mark Hurd, Electronic Data Systems Corp., Earnings, IBM Corp., Non-GAAP Earning, GAAP, Financial Accounting, Construction, Finance, Larry Dignan
- Blog posts 2008-05-13
- HP's bid for EDS: Opportunity costs loom
- The debate around Hewlett-Packard's purchase of Electronic Data Systems follows three primary questions. Is the EDS acquisition another Compaq--a deal that will take years to pay off? Is EDS the right acquisition for HP? Are there other places where HP should spend its money? HP on Tuesday...
- Tags: Hewlett-Packard Co., Electronic Data Systems Corp., Dennis, Tools & Techniques, Business Process Outsourcing (BPO), Outsourcing, Mergers & Acquisitions, Management, It Operations, Business Operations, Outsourcing & Subcontracting, Investment, Finance, Larry Dignan
- Blog posts 2008-05-13
- CODA2Go and the economics of PaaS
- I had the opportunity to talk money last week with Jeremy Roche, CEO of CODA, the venerable UK-based business software vendor that has become the poster child for Salesforce.com's platform ambitions after the release at DreamForce Europe of its new on-demand financials application, built and delivered entirely on Force.com. Why...
- Tags: Salesforce.com Inc., Roche Holding AG, PaaS, On-demand, CODA2Go, Force.com, Coda, Sales Force Management, Sales, Phil Wainewright
- Blog posts 2008-05-13
- Samsung ML-2851ND
- Samsung's ML-2851ND is a barebones monolaser printer with a few extra features attached that will appeal to the small-to-medium business crowd that simply needs to print out text documents or light graphics. The $330 price tag is higher than average for a monochrome printer (especially one that that isn't wireless),...
- Tags: Printers, input tray, CNET Labs, Samsung Electronics Co. Ltd., Samsung ML-2851ND, printer
- Product reviews 2008-05-12
- 49% of consumers listen to radio for new music
- In 2008, radio is mentioned as the medium “you turn to first to learn about new music” by about half of consumers (49%), with internet at 25%, according to Edison Media Research. In 2002, radio was mentioned by nearly two-thirds of consumers (63%) and only 9% mentioned internet. by NB
- Tags: Consumer, Radio, Music, Internet, Advertising & Promotion, Marketing, NB
- Blog posts 2008-05-12
- New version of Windows Presentation Foundation released
- Microsoft released a new version of Windows Presentation Foundation, their next generation windows application UI framework. The new version will ship as part of the .NET Framework 3.5 Service Pack 1. Tim Sneath has a very long and detailed post of the features but I'll try and break down the...
- Tags: Microsoft Windows Presentation Foundation, Microsoft Windows, .Net, Benefits, Operating Systems, Software, Software Development, Software/Web Development, Human Resources, Ryan Stewart
- Blog posts 2008-05-12
- Pine trees to frogs, global warming is killing 'em off
- Pine trees to frogs, global warming is killing 'em offuh huhDon't know about Canada. Here in Montana, two years ago it was -50 so they are dead...all of them. What wasn't mentioned here is that they are a constant thing, but if it gets below -40 they die. The more...
- Tags: global warming, winter
- Discussion threads 2008-05-10
- Samsung Access
- Though Verizon Wireless ruled the mobile TV roost for more than a year, AT&T finally offered Big Red some competition last month with the launch of AT&T Mobile TV. Like V Cast Mobile TV, AT&T's service offers stunning video quality, but its real appeal depends entirely on the handsets that...
- Tags: Telecom & Utilities, keypad button, Microsoft Access, phone, LG Vu, mobile TV, AT&T Corp., Samsung Electronics Co. Ltd., toggle, AT&T Mobile TV, TV
- Product reviews 2008-05-10
- Shuttle KPC K-4500
- Much like the Asus Eee PC before it, the Linux-based Shuttle KPC K-4500 will impress the tech savvy--especially the Linux comfortable. You can strip it down, expand it, or simply use it as basic day-to-day desktop. You can even put a photo in the removable front panel. Because of its...
- Tags: Linux, Desktops, Shuttle, KPC K-4500, Shuttle KPC K-4500
- Product reviews 2008-05-09
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