PICMG 3.2 Advanced Telecommunications and Computing ArchitectureThe Advanced Telecommunications Architecture (ATCA) defines an open switch fabric based platform delivering an industry standard high performance, fault tolerant, and scalable solution for next generation telecommunications and data center equipment. The ATCA standard is expected to be finalized in mid 2002 and the development is being carried out within the PCI Industrial Computer Manufacturers Group (PICMG) - the same group that created the highly successful Compact PCI standard. The Advanced TCA 3.0 base specification defines the physical and electrical characteristics of an off the shelf, modular chassis based on switch fabric connections between hot swappable blades. The Advanced TCA base specification supports multiple fabric connections including InfiniBand technology as defined by the PICMG 3.2 sub specification. This white paper provides an overview of the ATCA base specification as well as details of how InfiniBand technology delivers performance, scalability, and fault tolerance for next generation carrier grade telecommunications and computing platforms.
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