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Route and Flight

raj b
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Joined: Feb 09, 2005
Posts: 35
what is the difference b/w Route and Flight.
Does it mean Each Route has a Flight or Route has 1..* Flight.
Giri Alwar
Ranch Hand

Joined: May 27, 2005
Posts: 37
raj,
Unfortunately, this is something that we cannot help you with. You will need to define these for your solution. Make sure you document your assumption. The main point is consistency. Once you define these, make sure you stick with that definition throughout the solution. Good luck.


SCEA<br />SCJD<br />SCJP
kamesh aru
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Joined: Mar 16, 2002
Posts: 150
you can have many routes but you can fly in only one route at a time i.e flight !
Anonymous
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Joined: Nov 22, 2008
Posts: 18944
One itinerary consists of 1 to n Segments. And according to the BDOM each route represents a unique segment.

say New York to Amsterdam over Berlin and Paris. That is my understanding.

Edit:actually maybe I am thinking too much in details, there can exist only 1 FromCity and one ToCity (also given the info that the FBN flies only nationally)...
[ June 19, 2005: Message edited by: R�stem-� Zal� ]
Roger Chung-Wee
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Joined: Sep 29, 2002
Posts: 1683
You can think of a route as any two points of an airline's network.

A flight, on the other hand, is a service between those points. This service has a frequency, eg daily. Note that this flight service can span more than two points. Here is an example.

Route: JFK-LHR
Flight: JFK-AMS-LHR

So, the JFK-AMS-LHR flight is via AMS (Amsterdam) and could involve a plane change. But that's OK, as it is a service between JFK and LHR.

THe airline will, in a case like this, refer to JFK-AMS and AMS-LHR as flight legs (or sectors or segments), but it's all part of the flight.


SCJP 1.4, SCWCD 1.3, SCBCD 1.3
raj b
Ranch Hand

Joined: Feb 09, 2005
Posts: 35
Does this mean Route contains 1..* flights or Segments
raj b
Ranch Hand

Joined: Feb 09, 2005
Posts: 35
Is Route associated with 1 or more Flights?
Jose Latrefoliere
Greenhorn

Joined: Jun 22, 2005
Posts: 18
Raj

The airline world jargon is very confusing, there's no real stantard. Route, segment, flight, leg... are used with different meanings. You should use definitions that meet the requirements, that's the most important.
Folks changed the BDM according to their definitions and got high score, others don't change it using definitions that meet the BDM and, also, got hight score.
You have to make decisions and justify them, it's the architect's job.

Regards
Jose
David Follow
Ranch Hand

Joined: Oct 16, 2001
Posts: 223
Jose,

your are correct, but not really....
In a real world project it's the architects job to interview the business analyst and get the correct definition from her/him.

D.


SCJP, SCEA
Jose Latrefoliere
Greenhorn

Joined: Jun 22, 2005
Posts: 18
David

In a real project often:
-Stakeholders aren't always available, "domain experts" are very busy people..
-Stakeholders have differents definitions for the same concept
-Business analysis may fail, he's a human
-Business analyst "is no longer available", he leaves the company.
-deadline, deadline, time to market, budget...go ahead with what you have are the words we always heard.
.......

Regards
Jose
 
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