An architecture that provides a server that communicates bidirectionally with a client over a first communication link, over which service requests flow to the server for one or more merchants and/or consumers is disclosed. Service requests are associated with a particular merchant based on storefront...http://www.google.de/patents/US5889863?utm_source=gb-gplus-sharePatent US5889863 - System, method and article of manufacture for remote virtual point of sale processing utilizing a multichannel, extensible, flexible architecture