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(Advanced Telecom Computing Architecture) A carrier grade backplane and interconnect specification developed by PICMG and defined under the PICMG 3.x standards. Designed for industrial strength telecom equipment and datacenter servers, AdvancedTCA cards are 14" high (8U) and may reside in single slot cabinets or cabinets up to 23" wide that hold 16 cards.

AdvancedTCA (ATCA) provides point-to-point, dual star and mesh topologies for Ethernet, Fibre Channel, InfiniBand, StarFabric, PCI Express and Serial RapidIO channels up to a total bandwidth of 2.5 Tbps. The first implementations of AdvancedTCA appeared in 2003.

Mezzanine Cards and Small Form Factor
The Advanced Mezzanine Card (AdvancedMC or AMC) is a daughterboard that is only 3" high and either attaches onto an AdvancedTCA card or plugs directly into a MicroTCA cabinet. AdvancedMC cards and MicroTCA backplanes provide a small form factor version of AdvancedTCA. See PICMG.

An AdvancedTCA "Shelf"
Designed to fit into a 19" wide rack, this shelf (cabinet) from Schroff has 12 ATCA node slots and two hub slots (middle). The hub slots provide a dual star configuration to the nodes. (Image courtesy of Schroff Electronic Solutions,

The Smaller Form Factor
This PICO-1US is a MicroTCA development and test system from CorEdge Networks. It includes a controller and slots for two single AMC cards or one double-wide card. (Image courtesy of CorEdge Networks, Inc.,
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Although ATCA applications today require an average power of 300W per board, increasing demand for greater integration and higher levels of computing power means that ATCA and other telecommunications applications will require even more powerful converters in the near future," said Patrick Le Fevre, Marketing and Communication Director, Ericsson Power Modules.
The blade enables a fully homogenous ATCA deployment, with all the benefits therein: low power, ruggedness, reliability, and interoperable modularity.
W]hile they concede that there is no state action, they argue nevertheless that the murder of [Deceased] by the PA and the PLO is sufficiently egregious to constitute an international war crime, thus conferring jurisdiction under ATCA.
At a time when costs are under particular scrutiny across all markets, Emerson is once again pleased to lead the ATCA ecosystem with a 10GbE platform core that actually costs less than first generation 1GbE ATCA platforms,' said Jorge Magalhaes, vice president of marketing for the Embedded Computing business of Emerson Network Power.
The KAT4000's data plane, utilizing an upgradeable Fat Pipe switch, connects each AdvancedMC site to the ATCA High Speed Fabric.
Multinationals have grouped together to file briefs seeking to scuttle ATCA cases, and the National Foreign Trade Council, an organization of corporate giants, has been touting a study warning that ATCA suits could "seriously damage the world economy.
More recently, victims have filed ATCA suits against corporations they allege have been complicit in egregious human rights abuses.
Founded in 1956 by a group of air traffic controllers, ATCA serves nearly 3,000 members from throughout the world--individual air traffic controllers as well as aviation associations, educational institutions, the government and military, and companies managing and providing equipment and services in the aviation community.
This unique combination of processor technologies is designed to maximize the flow processing and management capability of a single ATCA blade.
a leading provider of embedded storage and computing solutions, today announced that its SB-ATCA1000 ATCA Storage blade achieved VMware Ready[TM] status.