One quick disadvantage to SaaS is that you're not only tied to the uptime and reliability of the SaaS vendor, but also your WAN provider. If a circuit goes down or there is a downtime in your network that connects you to the outside world, all of your SaaS apps are up, but in reachable from within your facilities.
Sent from my iPhone > On Feb 24, 2014, at 6:13 PM, Joe D'Souza <[email protected]> wrote: > > ** > What are the advantages and disadvantages of one over the other? I am asking > about any generic system in general and not particularly the AR System, when > used On Premise vs SaaS.. which is why I prefixed the subject of this email > as “Slightly OT”.. > > I’d like to know about the hidden advantages and disadvantages that are not > so apparent other than the obvious. > > The obvious advantages and disadvantages of SaaS I would percept are: > Advantages: > 1) No onsite administration – lowers cost of ownership > 2) You are almost always up to date on versions etc. > 3) You do not risk downtime when a system is upgraded, or during > system maintenance, or bug fixes. The vendor usually has a faster planned > route to rollback. > Disadvantages: > 1) No onsite administration – reduces flexibility in some areas of > customization. > 2) Your data resides off premise so it poses some kind of security risk > 3) You are vendor/manufacturer dependant – the manufacturer goes out of > business, so would your solution. > > > And the obvious advantages and disadvantages of an on premise solution I > would percept are: > Advantages: > 1) Onsite administration – You could do what you want, when you want, > how you want to the system as you please with no rules whatsoever apart from > system limitations > 2) You can choose when to update if at all or stay on whatever version > works for you as long as you wish to. Lowers user training costs to a certain > extent. > 3) Your data is as secure as you want it to be. > 4) Your solution life lasts beyond the manufacturers – if they go out > of business, you can continue to run their solutions for a while until you > have a better solution. > Disadvantages: > 1) Onsite administration – You usually face higher maintenance and > running costs. > 2) You risk downtime during maintenance or upgrades or bug fixes even > with a good rollback strategy. > > Any other advantages and disadvantages to the two strategies that I may have > not listed here? > > Joe > _ARSlist: "Where the Answers Are" and have been for 20 years_ _______________________________________________________________________________ UNSUBSCRIBE or access ARSlist Archives at www.arslist.org "Where the Answers Are, and have been for 20 years"
