Adam,
All your thoughts are totally agreed.
The specs should describe unify IaaS model, API like jclouds.
-----邮件原件-----
发件人: Adam Bien [mailto:abien_at_adam-bien.com]
发送时间: 2011年6月15日 3:09
收件人: jsr342-experts_at_javaee-spec.java.net
主题: [jsr342-experts] Re: Support for the Platform as a Service model
First thoughts:
1. With "DevOps" we get less roles in projects, not more.
2. The old J2EE roles were not practiced that way. They led to superfluous
indirections (e.g indirect JNDI lookups, fixed in Java EE 6).
3. For clouds we need a standardized provisioning API. Something like:
http://kenai.com/projects/suncloudapis/pages/HelloCloud but for Java EE 7.
4. Application scoped resources (as implemented in GF 3.1) are the right way
to go - but should be standardized and extended.
5. RESTful management (concurrent transactions, load, # of commits, # of
rollbacks). We should modernize JSR-77. Eg. JPA is no more mentioned JSR
77...
http://www.jcp.org/en/jsr/summary?id=77
6. Now it is not possible to configure the resources of the application
server from a CI environment. Glassfish comes with proprietary REST-API (a
good start), but it isn't possible e.g. to deploy drivers via REST. IMHO a
full configuration and provisioning via JMX exposed via REST is
crucial.Otherwise "Continuous Deployment/Delivery" cannot be achieved in a
standard way.
7. Application versioning / activation / deactivation should be standardized
as well. Again - GF 3.1 functionality is a good start.
Application isolation etc. are important, but from my (limited project view)
the items above are even interesting for sunny (=without clouds :-))
projects,
Just my observation.
Sorry for the many GF examples, but I use GF in most of my projects. It
seems like JBoss 7, however, will get similar features :-)
cheers,
adam
On 13.06.2011, at 20:55, Linda DeMichiel wrote:
> I like to thank everyone who has sent feedback on our proposal for
> Java EE 7 support for the Platform as a Service model.
>
> Now that you all hopefully have had time to study it, we'd like to hear
> from the rest of you, and to solicit any further more-detailed comments.
>
> I've uploaded a copy to the Documents area of the project, so you
> can find it there as well
(
http://java.net/projects/javaee-spec/downloads).
>
> thanks,
>
> -Linda
>
>
> On 5/25/2011 11:24 AM, Linda DeMichiel wrote:
>> Greetings,
>>
>> As described in our JSR proposal,
http://jcp.org/en/jsr/proposalDetails?id=342,
>> the main theme for Java EE 7 is enabling the Java EE Platform for use
>> in the cloud.
>>
>> We'd like to kick off our technical work with a discussion of what is
>> entailed in terms of the Java EE 7 Platform's support for the Platform
>> as a Service model (PaaS) and support for multi-tenancy.
>>
>> As a starting point, we've prepared the attached document to facilitate
>> the discussion. This document addresses several aspects that need your
>> consideration:
>>
>> - It attempts to establish a common terminology for our discussions;
>>
>> - It attempts to characterize how the "roles" distinguished by the
>> Java EE Platform might be expanded to support PaaS;
>>
>> - It describes a variety of PaaS scenarios that we believe we should
support;
>>
>> - It expands upon the issue of multi-tenant use of PaaS applications in
>> terms of support for a limited form of SaaS, and what might be entailed
>> by support for such use.
>>
>> We would appreciate if you would review this document in detail and post
>> your feedback -- both on the general direction indicated, and on the
>> specifics. There are also a number of issues flagged in the text. We
>> realize that some of these will require further exploration in order
>> to be resolved, but of course please feel free to post feedback on any
>> of these as well.
>>
>> thanks,
>>
>> -Linda