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

JRD is both WAN/LAN because  it is JXTA. You can open up multiple  
desktops at the same time, but it is not a good idea until differencing  
and compression are improved.

On Mar 31, 2005, at 12:49 AM, Dibya Prakash wrote:

> 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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