You do not need to worry DCOM:
http://www.internetwk.com/story/INW19991013S0004
I do not think the new trick form it will get much
support neither. Go with the industry!
If you want to *run* EJB *today*, there are some
issues. But if you want to *develop* and the develop
period will last six months or longer (I image so),
there is not many real issues.
Today, you can use freeware, such as Jonas from
Bull or J2EE from Sun to develop. When you fininsh
your project, you can migrate to what ever the best
EJB on the market. You should have little problem
to migrate to any EJB complaint products, with
reasonable effort.
Today's issues:
1. most product, except J2EE, are EJB 1.0. Your need
to migrate to EJB1.1 soon, you will not have choices:
the one stay with EJB1.0 will be out of business soon.
2. you need do more manual work than EJB hopes. But
the manual work is nothing compare to any other
n-tier products. The GUI tools with these products,
if any, are not mature yet.
--- Ian McCallion <[EMAIL PROTECTED]> wrote:
> Youval Bronicki wrote:
>
> > We are considering to use EJB for an n-tier
> product. Almost everything
> > we've read seems to support EJB.
>
> > Can somebody list any issues that may discourage
> us (or point to a relevant
> > resource)?
>
> EJB's main weakness today is that is is a
> synchronous model. You'll need to wait
> for EJB2 (or go with proprietary extensions, which a
> couple of vendors have) if
> you want integration with asynchronous messaging.
>
> > Is CORBA + CORBA Services a serious competitor?
>
> No. The only serious competitor is the highly
> proprietary COM/DCOM from
> you-know-who.
>
> Ian McCallion
> CICS Business Unit
> IBM Hursley
> [EMAIL PROTECTED]
> Tel: ++44-1962-818065
> Fax: ++44-1962-818069
>
>
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