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Acronym of the day: ZBB

ZBB = Zero Bug Bounce

As we start moving from the writing code phase into the fixing bugs phase, the development teams start pushing towards zero bug bounce. If you've noticed that the number of blog posts from the C# team has down a bit recently, that's one explanation.

Why is it called zero bug bounce?

Well, in the days and hours coming up to the ZBB date, teams will try really hard to get all their active bugs resolved, so they can declare, at one point in time, that they reached ZBB (they should technically say that they reached ZB, not ZBB, but thats not the way it works).

Reaching ZBB demonstrates two things. First, it shows that you have gotten rid of your bug backlog, and it also shows that your fix rate is greater than your incoming rate

Published Thursday, April 01, 2004 9:27 PM by ericgu
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Comments

Friday, April 02, 2004 7:36 AM by Anonymous Corporate Coder

# re: Acronym of the day: ZBB

Does zero bugs mean "zero bugs that were planned to be fixed in this release" or just plain "zero bugs"? We do something like this too, but there's a suspicious amount of pushing the fixby of bugs to future releases as release date of the current version gets closer and developers try to get to the zero bug point.
Monday, April 12, 2004 6:19 PM by Jason Zions

# re: Acronym of the day: ZBB

The "bounce" part is easy to explain. The devs are trying to get to zero bugs. The testers are trying to find bugs. Once convergence gets going, the daily "open bug" count starts to decrease, as devs fix'em faster than testers find'em. At some point, the number of bugs drops to zero for a (usually) brief shining moment; shortly thereafter, the open bug count bounces back up when the testers find new issues or reopen improperly closed bugs.

Hence "zero bug bounce" - the first time the open bug count hits zero and bounces back up.

No one ever hits and sticks at zero without a lot of bouncing; if they do, the test team is asleep.
Friday, April 16, 2004 3:29 AM by aBlogByGus

# Busy, busy, busy

Thursday, April 22, 2004 8:02 PM by jaybaz_MS's WebLog

# ZBB

Wednesday, October 06, 2004 6:33 PM by Larry Osterman's WebLog

# Larry's rules of software engineering, Part 3:

Monday, November 29, 2004 4:30 AM by Kieran Lynam's Blog

# Zero Bug Bounce for VS2005

Monday, November 29, 2004 4:30 AM by Kieran Lynam's Blog

# Zero Bug Bounce for VS2005

Tuesday, December 28, 2004 4:59 AM by RebelGeekz

# Re:

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Friday, January 11, 2008 12:17 PM by notes and rants

# ZMB (zero mail bounce)

I suppose I can't talk about ZMB without first discussing ZBB. ZBB is Zero Bug Bounce - the moment towards

Friday, January 11, 2008 12:50 PM by Noticias externas

# ZMB (zero mail bounce)

I suppose I can't talk about ZMB without first discussing ZBB. ZBB is Zero Bug Bounce - the moment

Wednesday, April 01, 2009 5:23 AM by Stop Testing « Triaged Tester

# Stop Testing « Triaged Tester

PingBack from http://triagedtester.wordpress.com/2009/03/18/stop-testing/

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