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How to move from single server to distributed environment


Natanel Maman (622) | asked Jan 26 '15, 12:01 p.m.
 Hello All,

today i have CLM 406 - RTC,RQM,RDNG,JTS on a signle Server.
im using WAS and MSSQL 2008.
the app server on RHEL Linux 5.5

i want to upgrade to CLM 502 and move to a distributed environment, like this:
(future deployment):

server 1 : JTS , RDNG
server 2 : RTC
server 3 : RQM


i need some recomendations/proccess for that activity....
i read about "rename server name" - i think i have to do it as part of this upgrade proccess, but i didnt understand how to do it....

any advise will help
thanks in advance



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Ralph Schoon (63.2k33646) | answered Jan 26 '15, 12:15 p.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER
edited Jan 26 '15, 12:16 p.m.
You put a proxy in front of your system that replaces the current single host. The proxy (sometimes called reverse proxy) delegates the request to the machines where you install the applications. All applications keep their public URI. They are actually unaware they run on a different machine. IHS and WAS are a possible choice, that also addresses SSO.

Please see:
https://jazz.net/help-dev/clm/index.jsp?re=1&topic=/com.ibm.jazz.install.doc/topics/c_reverse_proxy.html&scope=null (this is for the version under development, however the same should be in your help)
https://jazz.net/wiki/bin/view/Deployment/InstallProxyServers is helpful.

I believe we described this also here: https://jazz.net/library/article/831

Use https://www.google.de/search?q=reverse+proxy+site:jazz.net to find more hints.

Comments
Natanel Maman commented Jan 26 '15, 12:32 p.m.

Hi Ralph,

thanks for your answer.

if i implement this "proxy solution" what is the impact on performance ?
isnt it better to use "rename server" option ?


Natanel Maman commented Jan 26 '15, 12:33 p.m.

 Hi Ralph,

thanks for your answer.

if i implement this "proxy solution" what is the impact on performance ?
isnt it better to use "rename server" option ?


Ralph Schoon commented Jan 27 '15, 2:27 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER

Server rename, or rather public URI change, is NOT the suggested solution here.
It is a last resort option if you absolutely have to change the URI.

All our enterprise customers use the reverse proxy solution. As the proxy basically only forwards messages, there is, as far as I know, no noticeable performance impact - you just have one hop more. Since the individual applications now have the resources of a node, their performance improves.

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