Those are features that can be entered in the plus column :-) Regards, Richard Schuh
> -----Original Message----- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of David Boyes > Sent: Friday, April 04, 2008 9:48 AM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: VTAM R.I.P. > > > I am not sure that you were defending VTAM. All of the interesting > > things that you did were done to overcome deficiencies. That seems > quite > > the opposite of a defense. > > Richard Schuh > > On the matter of defense of VTAM, one thing that VTAM (and > SNA networking in general) does do well is lend itself to > predictive modeling of network behavior. The lockstep model > used in SNA is very amenable to standard simulation > techniques, which make it very easy to determine the impact > of a change, or determine the capacity of the network in the > abstract. The "completely define the world" approach makes it > much easier to construct full topology graphs and diagnostics > tools. SNA also has much better engineered instrumentation > for measurement. > > TCP networks are self-similar, which complicates prediction > by a lot, and SNMP is a real hack. It's all we have at the > moment, but it lacks a lot for sampling and performance analysis. >