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An optical mesh network is a type of optical telecommunications network employing wired fiber-optic communication or wireless free-space optical communication in a mesh network architecture. Most optical mesh networks use fiber-optic communication and are operated by internet service providers in metropolitan and regional but also national and international scenarios. They are faster and less error prone than other network architectures and support backup and recovery plans for established networks in case of any disaster, damage or failure.
Flash memory is an electronic non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash memory, NOR flash and NAND flash, are named for the NOR and NAND logic gates. Both use the same cell design, consisting of floating gate MOSFETs. They differ at the circuit level depending on whether the state of the bit line or word lines is pulled high or low: in NAND flash, the relationship between the bit line and the word lines resembles a NAND gate; in NOR flash, it resembles a NOR gate.
The authors discuss the CERN Host Interface Project, which aims to provide modular interfaces between Digital Equipment Corporation's VAX series computers and two popular high-energy physics buses, the VMEbus and FASTBUS. These user-programmable interfaces ...
The authors describe an optical fiber link that is used in conjunction with the CERN host interface family to connect high-performance VAXes to VMEbus or FASTBUS over distances up to 1000 m. The modular construction allows other permutations, including VAX ...
The CERN Host Interface (CHI) is a family of interfaces to interconnect Fastbus, VMEbus, and external host computers. The Fastbus interface consists of a processor board (CHI-P) and host-specific I/O ports allowing connection using fast parallel or serial ...