10101000. 01010100 1020 Reliability: Software 01010 Software life cycle Increased failure 01010-- Software systems rate due to side effects 10:101000 00:1010 are change 10101000(updated ) many 0.0.0.times during their 101010 0:101010u cycle Actual curve 101010. Each update adds to 01020100 10102000 he structural Idealized curve 010100s deterioration of the Tir 10101000 software system 01010100 10:101000 03010100 SZ CALGARY SENG521 (Fall 2002) far@enel. calgary. ca 15SENG521 (Fall 2002) far@enel.ucalgary.ca 15 Reliability: Software ◼ Software life cycle. ◼ Software systems are changed (updated) many times during their life cycle. ◼ Each update adds to the structural deterioration of the software system