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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: Re: xAP - The Proposed Architecture Explained - the first extensio
Tony, > Would it really add a lot to go? Over TCP ethernet - not much difference. Over UDP ethernet - erm yes - doing it this way means it could fit into a single UDP packet (cool, huh?) Over Serial - yes M. -----Original Message----- From: BUTLER, Tony, FM [mailto:roaming@xxxxxxx] Sent: 14 August 2002 14:38 To: 'ukha_d@xxxxxxx' Subject: RE: [ukha_d] Re: xAP - The Proposed Architecture Explained - the first extensio > I'm going to propose the following: > > - ASCII > - First two items are Datasource, and Instance > - After the first two, Items MUST go key/value pairs > - ASCII 10 is reserved for separator > > > The rest are, for the moment, open > > Hence a message might be: > > Outlook > Mark > Unread count > 19 > Most recent subject > xAP changes > > > .... nice and tight? minimalist certainly. but would it really add a lot to go: <MESSAGE> <HEADER> <DEVICE TYPE="OUTLOOK" ID="MARK" /> <DISPLAY>Mark's Email"</DISPLAY> </HEADER> <BODY> <ITEM> <DISPLAY>Unread Count</DISPLAY> <VALUE>19</VALUE> </ITEM> <ITEM> <DISPLAY>Most Recent Subject</DISPLAY> <VALUE>xAP Changes</VALUE> </ITEM> </BODY> </MESSAGE> Or something like that? Okay more text, but a string search will pull out the values if using a dump display device and a more intelligent one could use an XML processor - eg a web app extracts all the headers, click on header and get message. Another app extracts all the readings from temperature messages and generates a graph etc.... With plain ASCII as above, you have to know what each line means and that it has to appear in a certain order etc because there is nothing in the message to tell you what it is about. With XML, it is largely self describing..... Tony ******************************************************************** Visit our Internet site at http://www.rbsmarkets.com This e-mail is intended only for the addressee named above. As this e-mail may contain confidential or privileged information, if you are not the named addressee, you are not authorised to retain, read, copy or disseminate this message or any part of it. The Royal Bank of Scotland is registered in Scotland No 90312 Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB Regulated by the Financial Services Authority ******************************************************************** For more information: http://www.automatedhome.co.uk Post message: ukha_d@xxxxxxx Subscribe: ukha_d-subscribe@xxxxxxx Unsubscribe: ukha_d-unsubscribe@xxxxxxx List owner: ukha_d-owner@xxxxxxx Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ ________________________________________________________________________ This email has been scanned for all viruses by the MessageLabs SkyScan service. For more information on a proactive anti-virus service working around the clock, around the globe, visit http://www.messagelabs.com ________________________________________________________________________
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