Re: [ee4j-community] Just for application servers?

[arjan tijms <arjan.tijms@xxxxxxxxx>]

Hi,

On Sun, Oct 15, 2017 at 6:49 PM, Adam Bien <abien@xxxxxxxxxxxxx> wrote:

> How about "Runtime for enterprise JVM workloads"?

+1 but: what is the technical difference between a "Runtime for enterprise JVM workloads" and an "Application Server"?

I think there isn't much difference. Adding to the confusion is that the entire term "Application Server" is not really well defined at all.

For some people "Application Server" seems to mean e.g. a 2Gb WebSphere 6 installation that costed a million dollar, was installed years ago by an operations team, which nobody may ever touch, and for which developers may only provide wars. In such systems e.g. JSF can never be updated, since operations supposedly don't know what JSF is, and engineering who does is not allowed to touch the application server.

While a runtime is, I think, associated by many with e.g. Spring Boot, which is under full control of the engineering team, is free of cost, and may include JSF, which can be upgraded by the engineering team since they deliver/provide the full runtime.

So technically there's little to no difference at all. Both are an executable that contains both library code (JSF, CDI, etc..), server code (Tomcat- Undertow, etc internals) and application code. 

Even if there was any technical difference, i.e. application servers typically being provided as 2 pieces; the AS and the .war/ear, things like docker, Payara Micro, WildFly Swarm, etc further blur the differences.

But correct or not, it seems "application server" just like "EJB" will forever be associated with that mythical 2GB WebSphere 6 installation, so although perhaps undeserved that may be the reason people like to avoid the term.

Just my 2 cents

Kind regards,

Arjan Tijm

 

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