Buffers are typically used when there is a difference between the rate at which data is received and the rate at which it can be processed, or in the case that these rates are variable, for example in a printer spooler or in online video streaming.
Luke Spencer leaving 'General Hospital': Laura returning as Anthony Geary exits. FILE - In this April 26, 2015, file photo, Anthony Geary accepts the award for outstanding lead actor in a drama series for General Hospital, at the 42nd annual Daytime Emmy Awards in Burbank, Calif. After 37 years, Geary finishes his role as Luke Spencer on ABC's General Hospital on Monday, July 27, 2015.
Tears and laughter: Cast and crew gathered to say farewell to Anthony Geary on Wednesday - who filmed his final scenes as Luke Spencer on General Hospital. According to Entertainment Weekly, executive producer Frank Valentini played a video montage which included memorable scenes from over the 37 years he has been on the soap. Anthony was shown a scene from his very first General Hospital episode where he starred opposite Jacklyn Zeman, who played his sister Bobbie.