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stopover and layover

 
Yi Si
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Can somebody explain the deiffience of "stopover" and "layover"?
Which one means without changing airplane?
 
Ajith Kallambella
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Sort of.

If the Chicago-Atlanta-Orlando flight stops at Atlanta, but if your itinerary is from Chicago to Orlando, it is a stop over for you, because you are continuing to Orlando on the same flight. The key here is same flight - the flight number should not change.

For layover, you typically change the flight and hence the flight number changes. Your itinerary may still be Chicago-Atlanta-Orlando, but you change planes in Atlanta and your flight number changes. This is layover.

HTH
 
Ajith Kallambella
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I read my post and it sounds like a clarification is necessary.

When I say the same flight, it is the same flight number. Not necessarily the same physical equipment. If your flight number doesn't change, but if you still change planes - I belive it still qualifies as a stopover and not a layover.

[ Disclaimer : I am not an expert in this domain. So please verify my answers if your assignment depends on these definitions ]
 
Sreenivasa Majji
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The following link may provide some useful information.

http://mayfee1.tripod.com/safejurnee/id28.html
 
Saha Kumar
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Hello,

I found a definition for layover:

A period of time spent between connecting flights, trains, etc. Typically several hours, but can be several days, at a mid-destination point. Also called a stopover.

To me this means that a layover includes a change in flight numbers.

Please respond if this is not correct.

Thanks.

-Saha
 
Yi Si
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English is not my mother language. I can't find correct explaination about stopover and layover in directory. So I posted this post.
Thank everyone.I think you are right.

I assume that a intinerary will break into two segments if light nubmer change.Then segment will have one-to-one relationship with flight---such assumption will make domain simple

I think that in real-world I can clear those domain problems with customer.
But in this assignment, I can't.
Maybe Sun purposely made one-to-one relationship between segment and flight in BusinessDomainMode diagram.----make domain simple,they is not testing domain expert.
I think Sun evaluator will not penalize me, as long as my assumption is reasonable.
 
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