Short duration transactions feature in many scenarios, from fire/burglar alarms and remote monitoring/metering systems to telemetry and Point of Sale (PoS) systems. Many of these networks are based on legacy protocols such as X.25. However, these legacy protocols have been superseded by IP based protocols. Many services are switching to IP, such as voice to Voice over IP (VoIP). Running multiple services over a shared IP infrastructure reduces costs as providers no longer need to maintain and operate a dedicated network that provides only a single service. Thus, transaction networks based on...