Re: General understanding questions

Nati Shalom <[email protected]> Wed, 28 May 2008 12:24:32 +0300
Newsgroups	gmane.comp.java.sun.javaspaces
Message-ID	<[email protected]>
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Asaf

=20

You can find most of the material on the questions you asked just by
browsing through the mailing list archive and Blitz project:

Blitz is an opensource project implementing the JavaSpaces spec and can
be found here: http://www.dancres.org/bjspj/docs/docs/blitz.html

=20

We (GigaSpaces) provide tutorials and examples as part of our wiki
documentation. A good place to start is:

http://www.gigaspaces.com/wiki/display/OLH/JavaSpaces+Tutorial+A+-+Plain
+JavaSpaces

=20

Note that even though our product is a commercial product we provide a
free community edition that is totally free of charge for development
and production use.

It is direceltly intended for those who wish to evaluate the technology
and don't have the time to spend on setup and configuration.

=20

You can find specific example on how to setup our implementation in a
web container using a spring based configuration:

http://www.gigaspaces.com/wiki/display/GS6/OpenSpaces+Web+Container

=20

HTH

Nati S.

GigaSpaces

=20

=20

=20

=20

=20

=20

________________________________

From: Asaf Lahav [mailto:[email protected]]=20
Sent: Wednesday, May 28, 2008 12:11 PM
To: [email protected]
Subject: General understanding questions

=20

Hi Everybody,

I have some general understanding questions about Java Spaces.

=20

1.      Once running, where is a java space situated? Is a java space
located on a specific server or is it distributed? Is it implementation
specific? If it is, how does the SUN java spaces technology behave in
regards to that?=20

2.      How can I host java spaces and all its dependencies on top of a
web application? Is it possible to host it and all its dependencies in a
single web application? How can I that?

3.      Where can I find some best practices information about java
spaces for issues like scaling, redundancy, security, etc...?=20

4.      As I understand, the lookup service uses multicast announcements
to discover remote java spaces. What are my possibilities of limiting
the network boundaries of a java spaces network in cases where I want
different java spaces network to coexist in the same physical network?=20

=20

Thanks in advance,

Asaf

=20

=20

=20

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send email to [email protected] and include in the body of the
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To unsubscribe, send email to [email protected] and include in the body
of the message "signoff JAVASPACES-USERS".  For general help, send email to
[email protected] and include in the body of the message "help".

To view past JAVASPACES-USERS postings, please see:
http://archives.java.sun.com/archives/javaspaces-users.html

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<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'>Asaf<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'>You can find most of the material on the
questions you asked just by browsing through the mailing list archive =
and Blitz
project:<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'>Blitz is an opensource project =
implementing the
JavaSpaces spec and can be found here: <a
href=3D"http://www.dancres.org/bjspj/docs/docs/blitz.html">http://www.dan=
cres.org/bjspj/docs/docs/blitz.html</a><o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'>We (GigaSpaces) provide tutorials and =
examples as
part of our wiki documentation. A good place to start =
is:<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'><a
href=3D"http://www.gigaspaces.com/wiki/display/OLH/JavaSpaces+Tutorial+A+=
-+Plain+JavaSpaces">http://www.gigaspaces.com/wiki/display/OLH/JavaSpaces=
+Tutorial+A+-+Plain+JavaSpaces</a><o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'>Note that even though our product is a =
commercial
product we provide a free community edition that is totally free of =
charge for
development and production use.<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'>It is direceltly intended for those who =
wish to evaluate
the technology and don't have the time to spend on setup and =
configuration.<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'>You can find specific example on how to =
setup our
implementation in a web container using a spring based =
configuration:<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'><a
href=3D"http://www.gigaspaces.com/wiki/display/GS6/OpenSpaces+Web+Contain=
er">http://www.gigaspaces.com/wiki/display/GS6/OpenSpaces+Web+Container</=
a><o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
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font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'>HTH<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'>Nati S.<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;color:navy'>GigaSpaces<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
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font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

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style=3D'text-align:left;direction:ltr;unicode-bidi:
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<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 color=3Dnavy face=3DArial><span =
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font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
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<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
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font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<div>

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<hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1>

</span></font></div>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><b><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;font-family:
Tahoma;font-weight:bold'>From:</span></font></b><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'> Asaf Lahav
[mailto:[email protected]] <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Wednesday, May 28, =
2008
12:11 PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> =
[email protected]<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> General =
understanding
questions</span></font><font size=3D3 face=3D"Times New Roman"><span
style=3D'font-size:12.0pt;font-family:"Times New =
Roman"'><o:p></o:p></span></font></p>

</div>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 face=3DCalibri><span =
style=3D'font-size:11.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 face=3DCalibri><span style=3D'font-size:11.0pt'>Hi =
Everybody,<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 face=3DCalibri><span style=3D'font-size:11.0pt'>I =
have some
general understanding questions about Java =
Spaces.<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 face=3DCalibri><span =
style=3D'font-size:11.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3Dmsolistparagraph dir=3DLTR =
style=3D'mso-margin-top-alt:0in;margin-right:
0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-align:l=
eft;
text-indent:-.25in;mso-list:l0 level1 =
lfo2;direction:ltr;unicode-bidi:embed'><![if !supportLists]><font
size=3D2 face=3DCalibri><span style=3D'font-size:11.0pt'><span =
style=3D'mso-list:Ignore'>1.<font
size=3D1 face=3D"Times New Roman"><span style=3D'font:7.0pt "Times New =
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><![endif]><span dir=3DLTR>Once =
running, where
is a java space situated? Is a java space located on a specific server =
or is it
distributed? Is it implementation specific? If it is, how does the SUN =
java
spaces technology behave in regards to that? <o:p></o:p></span></p>

<p class=3Dmsolistparagraph dir=3DLTR =
style=3D'mso-margin-top-alt:0in;margin-right:
0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-align:l=
eft;
text-indent:-.25in;mso-list:l0 level1 =
lfo2;direction:ltr;unicode-bidi:embed'><![if !supportLists]><font
size=3D2 face=3DCalibri><span style=3D'font-size:11.0pt'><span =
style=3D'mso-list:Ignore'>2.<font
size=3D1 face=3D"Times New Roman"><span style=3D'font:7.0pt "Times New =
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><![endif]><span dir=3DLTR>How can I =
host java
spaces and all its dependencies on top of a web application? Is it =
possible to
host it and all its dependencies in a single web application? How can I =
that?<o:p></o:p></span></p>

<p class=3Dmsolistparagraph dir=3DLTR =
style=3D'mso-margin-top-alt:0in;margin-right:
0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-align:l=
eft;
text-indent:-.25in;mso-list:l0 level1 =
lfo2;direction:ltr;unicode-bidi:embed'><![if !supportLists]><font
size=3D2 face=3DCalibri><span style=3D'font-size:11.0pt'><span =
style=3D'mso-list:Ignore'>3.<font
size=3D1 face=3D"Times New Roman"><span style=3D'font:7.0pt "Times New =
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><![endif]><span dir=3DLTR>Where can I =
find
some best practices information about java spaces for issues like =
scaling,
redundancy, security, etc&#8230;? <o:p></o:p></span></p>

<p class=3Dmsolistparagraph dir=3DLTR =
style=3D'mso-margin-top-alt:0in;margin-right:
0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;text-align:l=
eft;
text-indent:-.25in;mso-list:l0 level1 =
lfo2;direction:ltr;unicode-bidi:embed'><![if !supportLists]><font
size=3D2 face=3DCalibri><span style=3D'font-size:11.0pt'><span =
style=3D'mso-list:Ignore'>4.<font
size=3D1 face=3D"Times New Roman"><span style=3D'font:7.0pt "Times New =
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></font></span></span></font><![endif]><span dir=3DLTR>As I =
understand, the
lookup service uses multicast announcements to discover remote java =
spaces.
What are my possibilities of limiting the network boundaries of a java =
spaces
network in cases where I want different java spaces network to coexist =
in the
same physical network? <o:p></o:p></span></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 face=3DCalibri><span =
style=3D'font-size:11.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 face=3DCalibri><span =
style=3D'font-size:11.0pt'>Thanks in
advance,<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 face=3DCalibri><span =
style=3D'font-size:11.0pt'>Asaf<o:p></o:p></span></font></p>

<p class=3DMsoNormal dir=3DLTR =
style=3D'text-align:left;direction:ltr;unicode-bidi:
embed'><font size=3D2 face=3DCalibri><span =
style=3D'font-size:11.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal dir=3DRTL><font size=3D2 face=3DCalibri><span =
dir=3DLTR
style=3D'font-size:11.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal dir=3DRTL><font size=3D2 face=3DCalibri><span =
dir=3DLTR
style=3D'font-size:11.0pt'><o:p>&nbsp;</o:p></span></font></p>

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