All, We have recently produced a whitepaper that contrasts the Publish and Subscribe paradigm using a traditional message bus e.g Tibco with JavaSpaces...
Alan Jones has asked me to post this reply on his behalf: My original intention was to wind you up, no more - but more seriously, the paper does seem to suffer...
The moderator has asked me to post to the group some of my comments made during the course of an off-group exchange of mails. MM ... Gentlemen, The point is...
Mark Madsen
mark.madsen@...
Jan 17, 2003 3:16 pm
8
Alan, I have copied my reply to the jini-javaspaces list since Gervas is keen to promote this kind of discussion there. ... Of course, I never thought you were...
Mark Madsen
mark.madsen@...
Jan 17, 2003 3:51 pm
9
Hello, I'm the primary author of the whitepaper under discussion. Gervas has asked me to reply to some of the comments here. I would like to emphasize that my...
I have heard on the grapevine that SETI uses Jini/JavaSpaces technology. Can any of you confirm the veracity or otherwise of this claim? It does sound an...
... this ... JavaSpaces' ... This is a triviale example. There is an aircraft manufacturer (a fortune 10 company)that uses JavaSpaces to trump the efforts of a...
... This is the point I meant to make, I did not intend to sound combative. Most managers that are in the position of approving budget line items are only...
... a ... as ... efforts ... jiniology.html ... combative. ... items ... not ... I think that a powerful case can be made to the bean counters for adopting...
Hi, I am working on a project for which we decided to use a tuple space for some data storage. At the time, as the developed prototype is written in Java, we ...
... The classic example use of Javaspaces is as a distributed work 'queue'. In that case, only the next 'work' item is of interest, and this is primarily, I...
... Are you convinced that it's a problem? I can't honestly say that I am. And what overhead in terms of implementation cost and how much extra API complexity...
Mark Madsen
mark.madsen@...
Feb 7, 2003 11:41 am
19
I would argue that, it makes more sense to keep with the spirit of the Java Collections paradigm, implement the collections interfaces (List, Set, Map, perhaps...
Hi Ernie, Because the javaspace is a distributed object, there are problems re scalability when implementing a robust iterator that the in-VM Collections...
The user could either write "macros" as mentioned before - this solves the synchronization problem since you lock entries as you go - or you could write...
Whatever the respective virtues of TSpaces and JavaSpaces, it is reasonable to assume that if IBM had considered TSpaces relevant to their central software...
Gervas You make an interesting point. I copy below the email from Toby Lehman who ran the TSpaces project. Note that Toby refers to TSpaces being embedded...
There was a recent announcement by Scott Hebner of IBM that sounds suspiciously like TSpaces to be included in WebSphere to implement SOA capabilities not...
Recent conversations on TSpaces/JavaSpaces and Patrick May's erudite paper have demonstrated that there is a wealth of methods for transforming a simple...
James, in response to your comments and supporting evidence, I would pose the question: "What conclusion can we draw from the inability of IBM to make a new ...
Mark Madsen
mark.madsen@...
Feb 11, 2003 12:49 pm
27
More momentum for the rumor mill? There appears to be evidence that Sun's N1 initiative has Jini and JXTA components (JXTA also has a Tuples implementation at...
... This is not specific to JavaSpaces, but is a feature of the original tuplespace design. One interesting enhancement to 'solve' the multiple rd 'problem' in...
Well now that you ask . . . http://ejbspaces.sourceforge.com Basically, our goals are: 1) Provide an Enterprise-oriented JS implementation 2) Open the door to...
I vote +1 to keep stirring ;-) Seriously, javaspaces/jini isn't in a pretty place at the moment, being ushered in quietly through the back door by IBM and Sun...
The late 90s marketing and timing was key. Jini suffered from bad initial marketing, poor reference implementations, no vision, internal Sun politics (J2EE vs...
Arash, The specs are very clear and very readable. Theyre available at: http://developer.java.sun.com/developer/products/jini/ also go to www.jini.org for suns...
