[JXTA discuss] Re: Project Proposal:MDA on Java Forge

What I m interested to know does it allow you to capture multiple
desktop images at the same time?Multiple machines are controlled even
by VNC,but they allow to capture only one desktop image at a time.Does
JRD work in a same manner?
Also plz let me know the scope of JRD(LAN/WAN)


On Wed, 30 Mar 2005 23:55:48 -0600, Daniel Brookshier
<[email protected]> wrote:
> It already lets you control multiple machines. The sharing of  
> many-to-one is a feature to add.
> 
> On Mar 30, 2005, at 11:50 PM, Dibya Prakash wrote:
> 
> > Ok.But the MDA project that I suggested,allows the administrator to
> > access multiple desktops on his machine.Single machine,multiple
> > desktops.Just like presentation slides.The administrator will have
> > full control over all the desktops in the network.Sharing by the other
> > clients may be or may not be allowed depending upon the administrator.
> >
> >
> > On Wed, 30 Mar 2005 23:26:31 -0600, Daniel Brookshier
> > <[email protected]> wrote:
> >> If you can supply a public domain compression library or write code  
> >> not
> >> tied up in patents, I am willing to use it.
> >>
> >> On Mar 30, 2005, at 7:46 PM, Dibya Prakash wrote:
> >>
> >>> Well the creative commons are not less restrictive,but one of the
> >>> problems of speed of VNC is because of its compression algorithm.May
> >>> be opt for wavelet compression which gives a much bigger compression
> >>> ratio.
> >>>
> >>>
> >>> On Wed, 30 Mar 2005 15:45:49 -0600, Daniel Brookshier
> >>> <[email protected]> wrote:
> >>>> I should note that the key innovation in JRD is that I create a
> >>>> viewport that reduces the size of the image sent on a regular  
> >>>> basis. A
> >>>> larger screen shot is done rarely and at a higher compression. Not  
> >>>> the
> >>>> greatest idea, but the best I could do for a first version to prove
> >>>> the
> >>>> concept.
> >>>>
> >>>>
> >>>> On Mar 30, 2005, at 3:28 PM, Daniel Brookshier wrote:
> >>>>
> >>>>> The only compression now is single image JPEG. It needs a
> >>>>> differencing
> >>>>> algorithm so that between screenshots less data needs to be sent.
> >>>>>
> >>>>> On Mar 30, 2005, at 10:59 AM, Dibya Prakash wrote:
> >>>>>
> >>>>>> Hi,
> >>>>>> Also plz let me know the compression algorithm that is being
> >>>>>> implemented for desktop image compression in JRD.Because a better
> >>>>>> algorithm will result in faster speed and for multi-viewer system
> >>>>>> the
> >>>>>> algorithm has to be highly efficient and optimized else it would
> >>>>>> crash
> >>>>>> in WAN.
> >>>>>>
> >>>>>>
> >>>>>> On Wed, 30 Mar 2005 10:30:22 -0600, Daniel Brookshier
> >>>>>> <[email protected]> wrote:
> >>>>>>> I'll take a look. For some reason the free installer seems to age
> >>>>>>> badly. Another wish for the project is to convert to a JNLP
> >>>>>>> installation via Java Web Start.
> >>>>>>>
> >>>>>>> On Mar 30, 2005, at 12:48 AM, Dibya Prakash wrote:
> >>>>>>>
> >>>>>>>> Hi checked the link/JRD project.While trying to install,it gave
> >>>>>>>> the
> >>>>>>>> following error:
> >>>>>>>> java.lang.NoClassDefFoundError: javax/imageio/ImageWriteParam
> >>>>>>>>
> >>>>>>>>       at java.lang.Class.forName0(Native Method)
> >>>>>>>>
> >>>>>>>>       at java.lang.Class.forName(Class.java:120)
> >>>>>>>>
> >>>>>>>>       at com.zerog.lax.LAX.launch(DashoA8113)
> >>>>>>>>
> >>>>>>>>       at com.zerog.lax.LAX.main(DashoA8113)
> >>>>>>>>
> >>>>>>>> thts why couldnot check the working of the project.
> >>>>>>>>
> >>>>>>>> Regards
> >>>>>>>> Dibya Prakash
> >>>>>>>> On Tue, 29 Mar 2005 23:11:36 -0600, Daniel Brookshier
> >>>>>>>> <[email protected]> wrote:
> >>>>>>>>> You should really look at
> >>>>>>>>> https://jxta-remote-desktop.dev.java.net/
> >>>>>>>>>
> >>>>>>>>> The code is working after a fashion. It needs some of the
> >>>>>>>>> VNC-like
> >>>>>>>>> additions to increase the data rate. I am actively looking for
> >>>>>>>>> someone
> >>>>>>>>> to get in there and do this next stage.
> >>>>>>>>>
> >>>>>>>>> So I'm a definite -1 for this proposal. But I'd love a +1 worth
> >>>>>>>>> of
> >>>>>>>>> help
> >>>>>>>>> to bring the existing jxta-remote-desktop project to the next
> >>>>>>>>> level.
> >>>>>>>>> It
> >>>>>>>>> would also mean that you would be starting with some working  
> >>>>>>>>> code
> >>>>>>>>> :o)
> >>>>>>>>>
> >>>>>>>>> I am about to update jxta-remote-desktop with my peer presence
> >>>>>>>>> and
> >>>>>>>>> get
> >>>>>>>>> it to the latest release of JXTA so this is a good time to add  
> >>>>>>>>> an
> >>>>>>>>> active developer (or anyone else on this list that wants to
> >>>>>>>>> help).
> >>>>>>>>>
> >>>>>>>>> Daniel Brookshier
> >>>>>>>>> Author - JXTA: Java P2P Programming
> >>>>>>>>> Editor: P2PJournal.com
> >>>>>>>>> President JavaMUG, Director on the Board of JXTA.ORG
> >>>>>>>>> (214) 207-6614 (CELL)
> >>>>>>>>> (972) 422-5261
> >>>>>>>>>
> >>>>>>>>> On Mar 29, 2005, at 10:01 PM, Dibya Prakash wrote:
> >>>>>>>>>
> >>>>>>>>>> Hi
> >>>>>>>>>> I am a network  programmer with an experience of 1 year.I am
> >>>>>>>>>> planning
> >>>>>>>>>> to work on a project by which an administrator can have  
> >>>>>>>>>> control
> >>>>>>>>>> over
> >>>>>>>>>> multiple client desktops from a remote machine/server(across
> >>>>>>>>>> LAN/MAN/WAN). A similar software exsists called as VNC (coded
> >>>>>>>>>> in C
> >>>>>>>>>> and
> >>>>>>>>>> WIN 32) but it mainly supports single desktop connectivity at  
> >>>>>>>>>> a
> >>>>>>>>>> time.Another version of the project "Tight VNC" exsists in
> >>>>>>>>>> java,but
> >>>>>>>>>> it
> >>>>>>>>>> allows only a very small version and hardly contains any
> >>>>>>>>>> feature.
> >>>>>>>>>> Through this project,the administrators can have a complete
> >>>>>>>>>> authority
> >>>>>>>>>> over the multiple client machines (by accessing the desktop)  
> >>>>>>>>>> and
> >>>>>>>>>> monitor its progress.
> >>>>>>>>>> The title MDA stands for Multi Desktop Administration
> >>>>>>>>>>
> >>>>>>>>>> Waiting for your response
> >>>>>>>>>>
> >>>>>>>>>> Regards
> >>>>>>>>>> Dibya Prakash
> >>>>>>>>>>
> >>>>>>>>>> -------------------------------------------------------------- 
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