Routing Metrics and Costs. Metrics are cost values used by routers to determine the best path to a destination network. Several factors help dynamic routing protocols decide which is the preferred or shortest path to a particular destination.These factors are known as metrics and algorithms.Metrics are the network variables used in deciding what path is preferred in terms of these metrics.outing Metrics and Costs. Metrics are cost values used by routers to determine the best path to a destination network. Several factors help dynamic routing protocols decide which is the preferred or shortest path to a particular destination.
Largest building Dubai International Airport Terminal 3. Terminal 3 is the largest building in the world by floor space, with over 1,185,000 m2 (293 acres) of space, currently capable of handling 27 million passengers in a year. Once fully operational, Terminal 3 will have an annual capacity of 43 million passengers. 1.
Tallest residential building in the world: 23 Marina in Dubai  --- 395m (1,296 ft.), with 90 storeys.  Tallest hotel in the world: Makkah Royal Clock Tower Hotels ---  601m (1,972 ft.) with 95 storeys.  Tallest structure in the world: Burj Khalifa, Dubai ---  828m (2,717 ft.).  Tallest tower in the world: Tokyo Sky Tree, Japan ---  634m (2,080 ft.).  First Building to have more than 100 storeys: Empire State  Building (New York City, USA) --- 381m (1,250 ft.), 102 storeys.