Choking alone (without back blows) to assist a choking victim, is referred to as "The Heimlich Maneuver." The purpose of abdominal thrusts is to create pressure that will expel any object lodged in the airway upwards to relive the obstruction. The Heimlich Maneuver specifically excludes back blows; its inventor, Dr. Henry Heimlich, believed that back blows were likely to cause an airway obstruction to become more deeply lodged in the victim's airway. So, while abdominal thrusts are part of other choking victim protocols, the Heimlich Maneuver uses only abdominal thrusts to attempt to dislodge airway obstructions. The American Red Cross recommends
Remote procedure call invocation. RMIs in turn fell in popularity with the rise of the internet, particularly in the 2000s. Remote procedure calls used in modern operating systems trace their roots back to the RC 4000 multiprogramming system, which used a request-response communication protocol for process synchronization. The idea of treating network operations as remote procedure calls goes back at least to the 1970s in early ARPANET documents. In 1978, Per Brinch Hansen proposed Distributed Processes, a language for distributed computing based on "external requests" consisting of procedure calls between processes. Bruce Jay Nelson is generally credited with coining the term "remote procedure