Jim DeMarco
Jdemarco at hshhp.org
Mon Mar 31 11:38:18 CST 2003
I believe we couldn't get A97 to replicate over the Internet at all so we tried converting the app to A2K2 and that would only work over VPN. We had a developer talk to M$ on the phone or via e-mail for a week or two and the VPN was the only way it would work (M$ could not get replication to work over the Internet either, FYI). If you had a non-VPN replication working do you have any "secrets" to share? Thanks, Jim DeMarco -----Original Message----- From: Jim Lawrence (AccessD) [mailto:accessd at shaw.ca] Sent: Monday, March 31, 2003 11:36 AM To: accessd at databaseadvisors.com Subject: RE: [AccessD] Replication - A2K Hi Jim: No, the Access97 replication is done straight through the phone lines. The government has been using it's own internal network, first through fast dedicated phone lines and finally an 'Ubiquity' fiber-optic connection that now covers most of the province. I have ran Access97 through the net and noticed no major problems but it was only a test and not under full load. It should be stable in the current versions of Access, even running across the net. VPN would be good to secure the connections but I am not sure that it would be any more or less stable than a standard internet connection. Jim ---Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com]On Behalf Of Jim DeMarco Sent: Monday, March 31, 2003 5:38 AM To: accessd at databaseadvisors.com Subject: RE: [AccessD] Replication - A2K Jim are you doing Internet replication then? If so are you using a VPN? We've encountered some difficulties in running replication over the Net on A97. Which version are you using? Thanks, Jim DeMarco Director of Product Development HealthSource/Hudson Health Plan -----Original Message----- From: Jim Lawrence (AccessD) [mailto:accessd at shaw.ca] Sent: Saturday, March 29, 2003 7:03 AM To: accessd at databaseadvisors.com Subject: RE: [AccessD] Replication - A2K Hi John: I have been running a Access replication application for five years. There are basically three government offices with about forty total individuals. The program has both an automatic and manual replication process programmed in. I have one BE db with one table that is centeral to the process. This is the file that supplies all the invoice numbers. It is linked to each site by its URL address. As soon as a ne record is created, the program goes looking for the next number. If the lines are glogged, that can take about 30 seconds. I come in every so often and clean up any duplications because sometimes the timing is off. The issue only comes up once every couple months or so. The cost to permentantly resolve the problem, with a nice SQL BE, is prohibitive so the clients have settled on this type of solution. There simply is no other inexpensive solution. The cost is either on a expensive product or an expensive programming process. HTH Jim -----Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com]On Behalf Of John W. Colby Sent: Friday, March 28, 2003 8:29 AM To: accessd at databaseadvisors.com Subject: RE: [AccessD] Replication - A2K And perhaps the situation is simply different. People don't call to file claims, they fill out paperwork and submit it. Not that your situation won't occur, of course it will. I can certainly ask how often it occurs but having spent 8 months on site I didn't get that it happened "several times a day". People call to "check" on their claim that is already in the system - having been entered from a claim form. The folks handling the phones do take info over the phone, but mostly it is "fill out this form and mail it in", or "get your doctor to fill out this form and mail it in" or "get your employer to fill out this form and send it in". No paperwork, no claim! So people "calling back with info" simply isn't a common occurrence since they don't ask for verbal information other than current address and the likes. I will certainly advise them of the facts behind the synchronization of course. I get the feeling they will live with the occasional "out of sync" info in order to get a doubling of effective speed. John W. Colby Colby Consulting www.ColbyConsulting.com -----Original Message----- From: accessd-bounces at databaseadvisors.com [mailto:accessd-bounces at databaseadvisors.com]On Behalf Of Wortz, Charles Sent: Friday, March 28, 2003 11:10 AM To: accessd at databaseadvisors.com Subject: RE: [AccessD] Replication - A2K John, I'm not saying your solution doesn't work. I pointed out a situation that will arise and that they need to have some procedure in place to handle it. Whether that procedure is within your solution or something they will have to handle manually is for them to decide. As to how often such calls occur, all I can say is when I worked for my Dad in his insurance agency it happened several times a day that somebody would call to file a claim but didn't have all the information the agent needed so they would have to call back later with the additional information. I doubt that human nature has changed much in the intervening years. Charles Wortz Software Development Division Texas Education Agency 1701 N. Congress Ave Austin, TX 78701-1494 512-463-9493 CWortz at tea.state.tx.us -----Original Message----- From: accessd-bounces at databaseadvisors.com [ <mailto:accessd-bounces at databaseadvisors.com> mailto:accessd-bounces at databaseadvisors.com] On Behalf Of John W. Colby Sent: Friday 2003 Mar 28 09:21 To: accessd at databaseadvisors.com Subject: RE: [AccessD] Replication - A2K They need an answer, and can't afford SQL Server. This is an answer. To not look at the realistic options because of the 1 in 1000 (or whatever) occurrence is not realistic. I am certainly open to other options. However they just spent 8 months moving an old creaky flat file to a relational MDB FE/BE. They don't have a budget for a $10,000 solution at the moment. What solution can they get for $500? Moving to SQl Server will be $5k or more. They don't have that, they have said so. I have done all of the typical "make sure the fields are indexed" things. So rather than saying "this solution doesn't work", why don't you suggest a solution that does? John W. Colby Colby Consulting <file://www.ColbyConsulting.com> www.ColbyConsulting.com -----Original Message----- From: accessd-bounces at databaseadvisors.com [ <mailto:accessd-bounces at databaseadvisors.com]On> mailto:accessd-bounces at databaseadvisors.com]On Behalf Of Wortz, Charles Sent: Friday, March 28, 2003 8:33 AM To: accessd at databaseadvisors.com Subject: RE: [AccessD] Replication - A2K John, But what about the situation where a customer calls back five minutes later with additional information and gets a different examiner? How is the second examiner going to be able to get to the customer's data if you replicate on a 15 minute schedule? This may not be a common occurrence, but it does happen and you need to be able to handle it. And don't expect the customer to remember the name of the first examiner, that solution is a non-starter. Charles Wortz _____ Is email taking over your day? Manage your time with eMailBoss. 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