Because it keeps the system running on hardware that we all are familiar with, maintenance contracts all in place etc, etc. As I said, NCIC is essentially a mainframe shop.
Kevin -----Original Message----- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of John Summerfield Sent: Wednesday, November 01, 2006 5:43 PM To: [email protected] Subject: Re: zLinux experience - Solaris? Evans, Kevin R wrote: > The zLinux front end will only be for users coming in with XML over > either MQ Series or TCP/IP. We handle direct communication to our users > using MQ Series and TCP/IP with our native message formats currently. > Our users are various state agencies. > > We don't have regular users with terminals. All of our input comes in > from our users over TCP/IP or MQ Series directly into our custom > communications front-end software. This software used to handle BSC, > SNA, MQ Series and TCP/IP along with a "application-flavored" version of > TCP/IP for some users. It runs in what we call CORs (not TORs). We no > longer have SNA or BSC users. > > The CORs are responsible for changing any input to a common format for > the AORs (i.e. non-protocol specific and a bunch of other things besides > that) and for the opposite on the outbound side. It is also used for > automated retry/disposal of undeliverable messages (either from a > request/response type message or for unsolicited messages to the users). > > We have a bunch of back-end software that performs searches on daily log > files (we have the transaction logs online back to 1990) for our users. > Exact match name/dob type searches on those ~17 years of log files takes > only 30-40 seconds. The log files and the indexes that are used in the > search software are kept current up tio midnight on the prior day. > > We are going to translate the inbound XML back to the existing message > formats so that we don't either break or have to rewrite the back-end > software). Of course, the reverse on the outbound side. > > We don't do web/soap etc (yet) due to the sensitivity of the data that > we hold. > > We did evaluate other methods of handling XML including using Cobol > Parse, middleware packages etc but with our system being very customized > without "regular" terminal users, this approach seemed to suit our needs > best. That leaves me wondering, why do the translation on zSeries hardware at all? Linux runs on almost anything, and I gather there are cheaper processors than IBM's zSeries. -- Cheers John -- spambait [EMAIL PROTECTED] [EMAIL PROTECTED] Tourist pics http://portgeographe.environmentaldisasters.cds.merseine.nu/ Please do not reply off-list ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
