DFZ2401 AB1504 Thornlie
DFZ may refer to: * Cosworth DFZ, an engine produced for Formula One racing * Default-free zone, a collection of systems relating to Internet routing * Deflazacort Deflazacort (trade name Calcort among others) is a glucocorticoid used as an anti-inflammatory and Immunomodulation, immunomodulatory agent. It was patented in 1965 and approved for medical use in 1985. The U.S. Food and Drug Administration (FDA) ...

Cosworth DFZ
The DFV is an internal combustion engine that was originally produced by Cosworth for Formula One motor racing. The name is an abbreviation of ''Double Four Valve'', the engine being a V8 development of the earlier four-cylinder FVA, which had four valves per cylinder. Its development in 1967 for Colin Chapman's Team Lotus was sponsored and funded by major American automotive manufacturer Ford. For many years it was the dominant engine in Formula One, with the whole engine program funded by Ford's European division, Ford Europe and engines badged as "Ford" for Formula One championship races. DFVs were widely available from the late 1960s to the mid 1980s and were used by every specialist team in F1 during this period with the exception of Ferrari, Alfa Romeo, Renault, BRM and Matra, who all designed, produced and ran their own engines. Variants of this engine were also used in other categories of racing, including CART, Formula 3000 and sports car racing. The engine is a 90°, ...
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Default-free Zone
In Internet routing, the default-free zone (DFZ) is the collection of all Internet autonomous systems (AS) that do not require a default route to route a packet to any destination. Conceptually, DFZ routers have a "complete" Border Gateway Protocol table, sometimes referred to as the Internet routing table, global routing table or global BGP table. However, internet routing changes rapidly and the widespread use of route filtering ensures that no router has a complete view of all routes. Any routing table created would look different from the perspective of different routers, even if a stable view could be achieved. Highly connected Autonomous Systems and routers The Weekly Routing Reports used by the ISP community come from the Asia-Pacific Network Information Centre (APNIC) router in Tokyo, which is a well-connected router that has as good a view of the Internet as any other single router. For serious routing research, however, routing information will be captured at multiple ...
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