If I make a call, I must wait for a response. Many TP systems use an asynchronous paradigm for increased scalability. I would suggest reading Principles of Transaction Processing by Philip Bernstein and Brian Newcomber for thorough introductory coverage of the area.
Erik
--
Erik Huddleston, [EMAIL PROTECTED]
Chief Architect, eCustomers.com
Microsoft Java MVP
> -----Original Message-----
> From: Pankaj Tandon [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, October 20, 1999 7:45 AM
> To: [EMAIL PROTECTED]
> Subject: Re: EJB cons?
>
>
> Can you please elaborate on what you mean by eJB being a
> synchronous model.
> (An example would really help).
> Thanks
>
>
>
>
>
> Ian McCallion <[EMAIL PROTECTED]> on 10/20/99 08:04:45 AM
>
> Please respond to A mailing list for Enterprise JavaBeans development
> <[EMAIL PROTECTED]>
>
> To: [EMAIL PROTECTED]
> cc: (bcc: pankaj tandon/MIS/genco/US)
> Subject: Re: EJB cons?
>
>
>
>
> 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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