data networks network in cheat sheets
Cheat Sheet: Galileo
Cheat Sheet The network will eventually consist of 30 satellites with 27 operational devices and three spares. I see what you're thinking but this isn't the Galileo from Pisa but Europe's proposed global navigation satellite network. [28 Jan 2008]
Cheat Sheet: Mobile TV
Cheat Sheet UK operators touting mobile telly offerings are relying on streaming data over 3G networks, so users must have a 3G handset. Unlike other 3G-based streamed offerings, TDtv doesn't impact the performance of voice and data services on the network... [22 Nov 2007]
Cheat Sheet: Grey nets
Cheat Sheet It might be iPods or other removable storage media being brought in by staff and plugged into the network, or it could be employees using applications the IT department hasn't approved such as IM, webmail or Skype within the enterprise. [06 Jul 2007]
Cheat Sheet: Wireless mesh networking
Cheat Sheet A mesh network is essentially a series of nodes - wireless access points typically mesh routers but also laptops, PDAs and the like - which route data to each other. There are two types of mesh networks, one where every node is connected to every... [24 Feb 2006]
Cheat Sheet: Push-to-talk
Cheat Sheet But this is a type of voice service that uses data networks. It will be about how they can use CDMA networks or GPRS extensions to GSM networks to carry voice messages. Operators, for their part, will also say end users only pay for the precise... [09 Sep 2004]
Cheat Sheet: 3G - in all its flavours
Cheat Sheet Two types of network, mainly. Simple - doesn't it just mean faster mobile networks? Those that use GSM now - which includes virtually all of Europe - see an upgrade path to 3G from their second-generation GSM networks to a type of 3G called W-CDMA... [04 Aug 2004]
Cheat Sheet: Storage virtualisation
Cheat Sheet The technology can be placed on different levels of a storage network. Users'll be utilising their storage networks better and making the most of the hardware you spent all that hard earned cash for. Simply put, virtualisation is the pooling of... [27 May 2002]
Cheat sheet: Mobile and wireless security
Cheat Sheet As more and more handhelds and PDAs will be connected to the corporate network, storing critical information, every IT professional worth their job should be interested in securing the little devils. And don't forget wireless local area networks... [14 Feb 2002]
Cheat Sheet: i-mode
Cheat Sheet The network operator has signed up 31.1 million i-mode users in Japan (figure: 17 Feb 2002) since the start of 1999, and they can get information pushed to their mobiles (or keitai) or do other things like play games, or surf approved i-mode sites. [08 Nov 2001]
Cheat Sheet: GPRS
Cheat Sheet Mobile networks like their prices complex, and they're having a field day with data. With packet switching, you share the same network as everyone else. So you can download data at any time, rather than waiting for 30 seconds to dial up as you... [25 Apr 2001]
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