Methods and systems for message forwarding and property notifications using electronic subscriptions

摘要: A messaging system is described in which subscription requests are transmitted over the Internet using protocols such as extensions of HyperText Transport Protocol (HTTP). The request may be for a wide variety information from remote device. For example, might messages to forwarded device they received. Also, subscriptions could generated when property value has predetermined characteristic. Such values include, stock prices, inventory levels, online status, error codes, heart rates, and like. itself data structure representing subscribe method identification, an address containing information, forwarded. Optionally, also define conditions under message forwarded, or notification sent.