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LSCS and LSDS

interDev

Is it possible to keep only LSDS in an environment without even installing LSCS.

Will Livesite Display Services work technically if LSCS is not installed?

Env: Teamsite, Live site, SitePublisher 7.1

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Comments

Faizi

Yes. You can use LSDS without installing LSCS. LSDS is like earlier LiveSite Runtime environment.
LSCS is used for rules engine, targeting and content retrieval functionality.
LSCS is an HTTP REST server which is used as a content repository for LiveSite Runtime. Now you can fetch metadata as well on runtime environment.

vpatel

Yes. You can use LSDS without installing LSCS. LSDS is like earlier LiveSite Runtime environment.
LSCS is used for rules engine, targeting and content retrieval functionality.
LSCS is an HTTP REST server which is used as a content repository for LiveSite Runtime. Now you can fetch metadata as well on runtime environment.

Just to add to your comment: bascially you can have either / OR by itself as well as both (LSCS + LSDS) together. Depends on your requirements.

interDev

Another question
Can one instance of LSDS serve multiple instances of webserver. So if the content gets deployed on different webservers (load balancing), can one instance of LSDS render the content from these load balanced web servers?

vpatel

Another question
Can one instance of LSDS serve multiple instances of webserver. So if the content gets deployed on different webservers (load balancing), can one instance of LSDS render the content from these load balanced web servers?

Multiple LSDS servers can be load balanced. Your question is a bit confusing at the end so just to be extra clear: LSDS runs on an application server. Typically, static assets are deployed to web server(s) and all LS related assets are deployed to LSDS server(s). You can definitely have a load balancer between your web server(s) and your LSDS server(s) -- this is not uncommon.

interDev

Multiple LSDS servers can be load balanced. Your question is a bit confusing at the end so just to be extra clear: LSDS runs on an application server. Typically, static assets are deployed to web server(s) and all LS related assets are deployed to LSDS server(s). You can definitely have a load balancer between your web server(s) and your LSDS server(s) -- this is not uncommon.

When you say LS related assets you mean .page files etc. and web server related assets mean images, videos etc. Right?

So now i will rephrase my question:

I have 3 servers. Can .page, images, videos etc be present on 2 of these servers (all the content and asset pieces be present on both the servers). LSDS will run on third server and will serve .page, images, videos etc coming from 2 other servers (load balanced servers). Is it possible?

vpatel

When you say LS related assets you mean .page files etc. and web server related assets mean images, videos etc. Right?

Right.

I have 3 servers. Can .page, images, videos etc be present on 2 of these servers (all the content and asset pieces be present on both the servers). LSDS will run on third server and will serve .page, images, videos etc coming from 2 other servers (load balanced servers). Is it possible?

Your question is a not totally clear to me.

interDev

Right.

Your question is a not totally clear to me.

OK i will try to rephrase it once again Smiley Happy

Say .page files get deployed on Server A and B. Livesite Display servcies are installed on Server C. Is it possible that LSDS installed on server C renders .page files deployed on server A and B?

vpatel

If you are trying to say "externalizing" the "web root" directory - that is not directly supported with the current version (7.2). However, if you are talking about the entire install being on a network drive then sure OR if Unix/Solaris then you can have symlinks.

HTH!

ReggieRWalker

If you are trying to say "externalizing" the "web root" directory - that is not directly supported with the current version (7.2). However, if you are talking about the entire install being on a network drive then sure OR if Unix/Solaris then you can have symlinks.

HTH!

I believe the question is:

Is LSDS required on all WEB servers? In a standard two tier environment, TeamSite deploys content to his 3 web servers. Now, he wants to deploy LiveSite assets (.pages, images, etc.) to these 3 web servers. Does he have to have LSDS installed on all three web servers? Or can one instance of LSDS service all three? Being that you said LSDS acts as your application server, I'm assuming "yes."

vpatel

I believe the question is:

Is LSDS required on all WEB servers? In a standard two tier environment, TeamSite deploys content to his 3 web servers. Now, he wants to deploy LiveSite assets (.pages, images, etc.) to these 3 web servers. Does he have to have LSDS installed on all three web servers? Or can one instance of LSDS service all three? Being that you said LSDS acts as your application server, I'm assuming "yes."

LSDS is a Java web application that requires a Java App Server (i.e. Tomcat, WAS, etc.). In a typical setup, you'll have a N web servers (i.e. Apache 1, Apache 2, ..., Apache N). You'll have N app server instances (i.e. Tomcat 1, Tomcat 2, ... Tomcat N). Typically you'll deploy static assets (i.e. images, flash, javascript files, css files, etc.) to your web servers. You'll deploy all of you LS related assets (i.e. .page file, XML DCRs, etc.) to your app servers. Now you'll probably need to configure your web tier (i.e. Apache rewrites) so that all requests for static assets are served up from the local web tier where as all requests to LS pages are passed onto the app tier.

Now you could have 1 app server tied to 1 web server or you could have 2 instances of app servers load balanced to your web servers -- you can mix and match here according to your requirements.

HTH!