While data-center managers have long used heat maps to help determine where to best position racks of servers and cooling units, this mode of visualization can also be handy for better understanding system latency, argues an Oracle engineer in the July issue of Communications of the ACM.
If you managed to get your hands on Apple's hotly anticipated iPhone 4, the next step may be to purchase a new set of accessories. The iPhone 4 features a new shape and design, preventing the smartphone from fitting into older iPhone docks and cases. It also has new capabilities like video calling, which could take advantage of new wireless networking equipment.
US agencies targeting the sale of counterfeit networking hardware have gotten 30 felony convictions, including a man attempting to sell fake networking equipment to the US Marine Corps, and seized $US143 million worth of fake Cisco hardware, the US Department of Justice said on Thursday.
Even after it buys Nortel, Avaya won't dominate Cisco in the battle for business-communications customers, according to a new study.