traffic model

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Multiobjective Network Design for Realistic Traffic Models

Network topology design problems find application in several real life scenarios. However, most designs in the past either optimize for a single criterion like delay or assume simplistic traffic models like Poisson. Such assumptions make the solutions inapplicable in the practical world. This paper formulates and solves a multiobjective network...

Tags: Network Topology, Network, Network Design, Traffic Model, Networking

White papers 2007-07-11

Towards Realistic Models of Wireless Workload

Performance predictions from wireless networking laboratory experiments rarely seem to match what is seen once technologies are deployed. The authors believe that one of the major factors hampering researchers' ability to make more reliable forecasts is the inability to generate realistic workloads. To redress this problem, it takes a fundamentally...

Tags: Performance, Traffic Model, Performance Management, Wi-Fi, Wireless, Human Resources, Workforce Management

White papers 2007-03-02

Additional Resources

The Microsoft way with Apache

In making the Microsoft contribution announcement on his blog Ramji specifically cited "The Apache Way" of collaboration as a model for the future. As opposed to, say, FOSS. by Dana Blankenhorn

Tags: Apache Software Foundation, Microsoft Corp., Open Source, Dana Blankenhorn

Blog posts 2008-07-26

Make your Gmail even more secure

Last week Google launched a new feature that lets you keep track of computers that are logged into your Gmail account -- a tool that will put the minds of people who are suspicious of unauthorized account access at ease. But what about people snooping your internet traffic? ...

Tags: Google Inc., Google Gmail, E-mail Providers, Cloud Computing, Internet, Garett Rogers

Blog posts 2008-07-26

Howard's happy: Sirius-XM merger (finally) approved; Now the work really begins

The government regulatory debacle known as the Sirius-XM merger has officially ended as the Federal Communications Commission approved the deal after 17 months of deliberation and lobbying from the National Association of Broadcasters. According to the Washington Post and Wall Street Journal the FCC approved the deal...

Tags: Merger, XM Satellite Radio Inc., Radio, Sirius, Howard, Satellite Radio, Digital Music, Advertising & Promotion, Federal Government, Mergers & Acquisitions, Consumer Electronics, Personal Technology, Marketing, Government, Investment, Finance, Larry Dignan

Blog posts 2008-07-26

Talent development

Earlier this week I attended Fortune magazine's Brainstorm Tech conference which "aims to sharpen the thinking of the very well heeled attendees about the escalating impact of tech-driven change for all business and global society". There was a terrific menu of topics on offer:...

Tags: Talent, Collaboration, CEO, HCL, Workforce Management, Human Resources, Oliver Marks

Blog posts 2008-07-25

Britain moves against illegal file sharing

Britain moves against illegal file sharingWould like to know how they will determine this.I think they are going to have significant problems with this.Briton can do what they want, the people there seem to be unwilling to stop their government from making so many laws they are in "freedom chains"....I...

Tags: Peer to peer (P2P), Internet service providers (ISPs), INTERNET, file-sharing, File Sharing Program

Discussion threads 2008-07-25

Microsoft joins 'patch DNS now' chant; Apple patch missing

On the heels of the release of weaponized exploit code for the DNS cache poisoning vulnerability, Microsoft has joined the chorus of security pros pleading with DNS server providers to immediately apply patches to protect users from malicious attacks. The Redmond, Wash. security...

Tags: Apple Macintosh, DNS, Vulnerability, Apple Inc., Exploit Code, Microsoft Corp., Attack, Dan Kaminsky, Domain Names, Apple Mac OS X, Networking, Security, Internet, Operating Systems, Software, Apple Mac OS, Ryan Naraine

Blog posts 2008-07-25

Britain moves against illegal file sharing

CBC News out of Canada is reporting that British ISPs are making an aggressive move against illegal file sharing by implementing a program designed to discover copyright violators, who will be sent warning letters and may potentially have their internet connections disconnected. For more on the article,...

Tags: File-sharing, Peer To Peer (P2P), Internet Service Providers (ISPs), Internet, Nathan McFeters

Blog posts 2008-07-25

How OpenDNS, PowerDNS and MaraDNS remained unaffected by the DNS cache poisoning vulnerability

The short answer is being paranoid about tackling a known vulnerability. It's 2001, and Daniel J. Bernstein DJB, author of the then popular djbdns security-aware DNS implementation, is applying basic math principles to raise awareness on what's to turn into the "sky is falling" critical Internet vulnerability in 2008, in...

Tags: DNS, Vulnerability, Anomaly, Attack, OpenDNS, MaraDNS, NSS, Domain Names, Networking, Internet, Dancho Danchev

Blog posts 2008-07-25

Gateway stops selling PCs direct

Gateway, one of the early PC makers that sold their wares direct, said Friday it will sell its systems completely through channel partners and retailers. The company, now a part of Acer, said shifting to a channel-based distribution model will simplify its business and cut costs. ...

Tags: Gateway Inc., PC, Acer Inc., Retail, Larry Dignan

Blog posts 2008-07-25

NASA used cadavers to test Orion moonship

NASA used cadavers to test Orion moonshipArticle ToneI'm not sure why the author has such a negative of using cadavers that were donated to science to improve the safety of the capsule. The author pointed out that not all of the experiments or papers relating to the safety of...

Tags: moonship, ORION, NASA

Discussion threads 2008-07-25

Open Office sweeps Sourceforge awards

Open Office sweeps Sourceforge awardsRE:Open Office sweeps Sourceforge awards"their motivation is to take money out of the system,..."is this a good thing?Hmmm...kinda wrong..."...their motivation is to take money out of the system, to take down the old Microsoft monopoly. They lack compelling business models of their own."If the only biz...

Tags: Leadership, Web browsers, OpenOffice, motivation, old-Microsoft monopoly, old-Microsoft, Microsoft Corp., SourceForge

Discussion threads 2008-07-25

Click fraud in 2nd quarter of 2008 more sophisticated, botnets to blame

Whereas the overall click fraud rate isn't increasing, it's not decreasing either, remaining flat for the first two quarters of 2008, according to data gathered from the Click Fraud Network, consisting of more than 4,000 online advertisers and agencies. Click Forensics report for the second quarter of 2008, indicates that...

Tags: Click Fraud, RK West, Dancho Danchev

Blog posts 2008-07-25

Netflix ups outlook; Customer acquisition costs fall

Netflix said Friday it ended the second quarter with more than 8.4 million subscribers, up 25 percent from a year ago, and spent less money acquiring those customers. Those two factors added up to better than expected quarterly results and an improved outlook. The company has been...

Tags: NetFlix Inc., Acquisition, Earnings, Financial Accounting, Mergers & Acquisitions, Finance, Investment, Larry Dignan

Blog posts 2008-07-25

2008 Audi A8 L W12

Photo gallery:2008 Audi A8 L W12The 2008 Audi A8 L W12 rests in a premier echelon of cars that combine extreme luxury with exceptional driving performance, cars that make it difficult to decide whether you'd rather be reclining in the back seat while a chauffeur drives or up there where...

Tags: Digital music, Digital media, subwoofer, Audi A8, Audi AG, Bang & Olufsen, car, MP3

Product reviews 2008-07-24

Kaminsky suggests long-term fix will still have to be determined, but patch now, or pay soon

Kaminsky suggests long-term fix will still have to be determined, but patch now, or pay soonTTLSomething I wish I'd asked during the webcast and which I can't quite get my head around:It was said that setting a long TTL doesn't help because of the way delegation works - has to...

Tags: Domain names, DNS server, TTL, server, Kaminsky

Discussion threads 2008-07-24

We wanna be more like Apple - Microsoft and Ubuntu get ready to fire up the photocopiers!

We wanna be more like Apple - Microsoft and Ubuntu get ready to fire up the photocopiers!Linux has no marketing.Market share is directly related to marketing. When is the last time anyone saw a Linux commercial?Isn't that the point?You say that Canonical needs to listen more to the "customers" but...

Tags: Copiers, Operating systems, Desktops, Notebooks, Market-Share, Apple Inc., Ubuntu, wanna-be, Microsoft Corp., photocopier, Linux

Discussion threads 2008-07-24

Apple's coming notebook transition

Apple's coming notebook transitionBarking up the wrong tree?I think it might be something else.I think Hell may have frozen over again.What if this 'transition' is actually Apple making MacOS X available for the general PC public as a purchasable product?Think about it. Everyone said Apple would never use Intel....

Tags: Microsoft Windows Vista (Longhorn), Desktops, Notebooks, Operating systems, Apple Inc., Microsoft Corp., Microsoft Windows Vista, PC, notebook, OSX, hardware

Discussion threads 2008-07-24

Childs rigged crazyquilt private network

Childs rigged crazyquilt private networkBut who is monitoring the monitor?Gartner's statement not worth quoting. They are the most worthless thing to hit IT.Was Childs the only IT person on staff that knew anything about computers? That's what it sounds like. But this isn't that hard to believe. Most IT...

Tags: NETWORKING, Most IT department, private network, network, information technology

Discussion threads 2008-07-24