implementation and network

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Evaluating DHT Implementations in Complex Environments by Network Emulator

This paper proposes an evaluation method of large-scale distributed hash tables by network emulator that allows evaluating not only Distributed Hash Table DHT algorithms but also DHT implementations. Evaluating DHT implementations is important for DHT application developers since it influences how an application utilizes a DHT. The authors built a...

Tags: Network, Implementation, Environment, Emulator

White papers 2007-01-23

Design and Implementation of a Wireless Sensor Network for Intelligent Light Control

This paper presents the design and implementation of the Illuminator, a preliminary sensor network-based intelligent light control system for entertainment and media production. Unlike most sensor network applications, which focus on sensing alone, a distinctive aspect of Illuminator is that it closes the loop from light sensing to lighting control....

Tags: Network, Implementation, Sensor, Association For Computing Machinery, Entertainment, Advertising & Promotion, Wi-Fi, Wireless, Marketing

White papers 2006-12-07

A Software Architecture for Cross-Layer Wireless Network Adaptations

Conventional data networks are based on a layered architecture. The introduction of wireless networks has created a need to violate this layered discipline to create cross-layer designs or adaptations. Ad-hoc implementations of such cross-layer adaptations reduce the level of modularity and abstraction in the network's implementation, giving rise to a...

Tags: Software, Network, Implementation, Adaptation, Wireless Network, Wi-Fi, Wireless, Networking

White papers 2006-09-08

A Multimedia Guidebook Implementation Using a Bluetooth Wireless Information Point Network

This paper describes the implementation of a Bluetooth Village Guide Book VGB scenario for use in the Kelvin Grove Urban Village located in Brisbane, Australia. An Information Point Station Network IPSN was developed, along with software for two types of mobile computing devices. The implementation consists of several Information Point...

Tags: Multimedia, Network, Implementation, Mobile Computing, Association For Computing Machinery, Bluetooth, Handhelds, Wireless, Wi-Fi, Hardware

White papers 2005-09-02

Additional Resources

Total spending in network services will grow to $9.1 bln in 2012

According to IDC, total spending in Network services (which includes Network Consulting & Integration Services NCIS and Network Management) will grow from $4.7 bln in 2007 to $9.1 bln in 2012 at a compound annual growth rate of 13.7% from 2007-2012. by NB

Tags: Network, Network Service, Networking, NB

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

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

How OpenDNS, PowerDNS and MaraDNS remained unaffected by the DNS cache poisoning vulnerabilityOpenDNS is greatI have been using OpenDNS for over 5 months now on the company network and it does a great job for us. I would recommend everyone use this tool as it has increased our DNS...

Tags: Domain names, NETWORKING, OpenDNS, MaraDNS, Powerdns, DNS Cache Poisoning Vulnerability, DNS

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

GMail adds "https:"-only connections but still not by default

Google has added a new "Browser Connection" feature to GMail to allow users to force e-mail sessions to always use the more secure "https:" protocol but, strangely, this is not turned on by default. In the Settings tab, at the very bottom, GMail users can now select...

Tags: Google Inc., Google Gmail, HTTP, E-mail Providers, Cloud Computing, Internet, Ryan Naraine

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

Did Levi's use failed IT as a 'convenient scapegoat'?

Did Levi's use failed IT as a 'convenient scapegoat'?While it looks obvious that the ERP...failure wasn't the only issue, that is no reason to make it sound less critical than it was. An IT failure of this magnitude will cause big problems for even the most well oiled of machines.This...

Tags: Enterprise resource planning (ERP), information technology, ERP, Levi, IT Failure

Discussion threads 2008-07-25

Microsoft finalizes Windows XP for OLPC laptops

Microsoft finalizes Windows XP for OLPC laptopsjust thinknow instead of being stuck in a little puddle they can go out there and swim in the ocean of windows applications like the rest of us - a zillion kids just smiledlinuxhelp.net:~# apt-get install mozilla-firefoxReading Package Lists... DoneBuilding Dependency Tree... DoneThe following...

Tags: Operating systems, Vista-64, Microsoft Windows XP, One Laptop Per Child project, Microsoft Corp., OLPC Laptop, Microsoft Windows

Discussion threads 2008-07-25

AOL gussies up for potential sale, but who's buying?

AOL is shutting down XDrive, AOL Pictures and other properties in a belt tightening move that may indicate the company is setting itself up to be sold. The larger question: Who will buy AOL from Time Warner? According to a memo posted by TechCrunch, AOL executive vice...

Tags: America Online Inc., Portals, Business Structures, Litigation, Internet, Finance, Business Operations, Larry Dignan

Blog posts 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

10 essential gadgets for students

I chose these from personal experience, but also from asking many friends from around the world who are involved in technology and study at the same time. Some gadgets come with a recommendation, whereas others don't; things like laptops and cell phones can't be selected for everybody, it'd be ridiculous...

Tags: Headphone, Phone, Cell Phone, Laptop Computer, Lecture, Notebooks, Telecom & Utilities, Hardware, Notebooks & Tablets, Zack Whittaker

Blog posts 2008-07-25

If Xen and KVM are free, why do VMware and Microsoft get all of the press?

Xen and KVM, like other virtualization tools, can be used as part of a comprehensive datacenter architecture. One of the most important value propositions offered by both of these tools is low initial cost (read "free"). Depending upon the implementation (Citrix, Red Hat, SUSE, Virtual Iron, Oracle, Sun, Qumranet, etc.)...

Tags: Red Hat Inc., Xen, VMware Inc., Microsoft Corp., Tool, Comprehension, Productivity, Data Centers, Open Source, Storage, Hardware, Data Management, Dan Kusnetzky

Blog posts 2008-07-25

News to know: 'Spam king' dead; Microsoft's cloud; Dell;

Notable headlines: Ryan Naraine: Escapee 'Spam King' dead in apparent murder-suicide CBS Denver Video: 'Spam King' Inmate Dies Along With Wife, Daughter Mary Jo Foley: Ozzie foreshadows 'Zurich,' Microsoft's elastic cloud Microsoft to get more 'Apple-like' in PC,...

Tags: Larry Dignan

Blog posts 2008-07-25

TP-LINK TL-WR941ND Wireless N Router

The TP-Link TL-WR941ND Wireless N Router is a wireless router that supports the Draft N 2.0 specification and not much else. This means no network storage or dual-band support (the router works only in the 2.4GHz frequency), no print-serving capability, and no Gigabit Ethernet. The router doesn't even offer N-mode-only...

Tags: Routers & switches, Network technology, NETWORKING, Home networking, router, TP-Link, Wireless-N, TP-Link TL-WR941ND, TL-WR941ND

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

Google's $10M, no, $100M Android Challenge

So does Google have anything up its sleeve, when it comes to the Android mobile communications platform? It better have. Because expectations keep getting lowered. And Apple keeps raising the ante, at least in getting attention for new mobile applications. According to a Forbes.com...

Tags: Apple iPhone, Developer, Google Inc., Phone, Mobile, Android, Advertising & Promotion, Telecom & Utilities, Marketing, Tom Steinert-Threlkeld

Blog posts 2008-07-24