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[AU 200th Issue CD-ROM] Jaffa Software

Gateway

 

Gateway is an exciting development which allows ActiveApps messages to be distributed across between machines transparently to the application sending the application. The machines can be connected by null modem, TCP/IP, Econet etc.

ActiveApps messages are broadcast using Wimp_SendMessage. As all tasks receive the messages each task can pick and choose whether or not it is relevant to it. Gateway picks up on the "To" field and checks to see if it is of the form Task@machine.domain. If it is then it strips off the tail, modifies the "From" field to point back to the local machine, opens a connection to the copy of Gateway running on the remote machine and sends the message. The remote Gateway then rebroadcasts the new WIMP message which the remote task will pick up on.

As the "From" address has been modified to point back to the original machine, the remote client can simply respond to it without knowing where the machine is or the protocols necessary to communicate with it. This makes writing distributed applications very easy!

Gateway may also include a secure encryption option which will encrypt all the transfers between the two machines.

It will be fully configurable to only allow messages from certain domains/tasks or to automatically refuse a message based on the originating domain or task.

Gateway will hopefully be free, yet is still in development. Watch this space for further details as and when they become available. If you have any further questions please email us.

Help! Gateway needs a new name, if you've got any suggestions please let us know, currently leading the pack is CrossTalk - the name that gets chosen may well get a prize...


© Jaffa Software 1998.
Last modified: Wed Aug 5 10:26:06 BST 1998 (Now uses MML)