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Topic: Backward compatibility

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In the News (Wed 17 Apr 19)

  Backward compatibility - Wikipedia, the free encyclopedia
Backward compatibility is a relationship between two components, rather than being an attribute of just one of them.
Backward compatibility is the special case of compatibility in which the new server has a direct historical ancestral relationship with the old server.
Microsoft Word 2000 was backward compatible with Word 97 due to the fact that it could read and write files in Word 97 format, with the understanding that features unique to Word 2000 would not appear in Word 97.
en.wikipedia.org /wiki/Backward_compatibility   (982 words)

 ONLamp.com -- Preserving Backward Compatibility
Backward compatibility is really a series of promises to your users as to what they can expect when they upgrade to a new version of your software.
Once you've thought about the level of compatibility you want to promise to your users, the next step is to think about the actual places your project needs to worry about specific kinds of compatibility problems.
This means that backward compatibility is preserved at the level of the binary object code produced when you compile the library.
www.onlamp.com /pub/a/onlamp/2005/02/17/backwardscompatibility.html   (2647 words)

 Fawcette.com - Write a Backward-Compatibility Checker   (Site not responding. Last check: 2007-11-02)
Here's why backward compatibility is so crucial: If you forget about it, user-written code might no longer compile or run after users update to a new version of your library.
Backward compatibility is generally expected from any library in any programming language.
Simply put, backward compatibility allows you to replace an old version of something—say, a library—with a new version without requiring users to modify or recompile the code that uses it.
www.fawcette.com /javapro/2002_10/online/api_dbosschaert_10_31_02   (403 words)

 Curmudgeon Gamer - Backward Compatibility for NextGen Consoles
Still, with backward compatibility on their side, Sony may be the only company who enters the next generation confident that early adopters will have a huge library of older games to choose from while they endure the slow months after a hardware launch.
It is possible that backward compatibility with the Xbox in the next generation Microsoft console hardware would ease the transition for existing customers, while providing a strong library of older, budget-priced titles for new owners.
Backwards Compatibility gave the PS2 a little boost in the beginning, since there was a solid PS1 library, and the PS2 launch titles were hit-and-miss.
curmudgeongamer.com /article.php?story=20040322202148324   (3846 words)

 Forward compatibility - Wikipedia, the free encyclopedia
Forward compatibility (sometimes confused with extensibility) is the ability of a system to accept input intended for later versions of itself.
Forward compatibility is harder to achieve than backward compatibility because it needs to cope gracefully with an unknown future data format or requests for unknown future features.
An example of forward compatibility is when the specification tells a web browser to ignore those HTML tags which it does not recognize.
en.wikipedia.org /wiki/Forward_compatibility   (544 words)

 Backward compatibility Summary
Compatibility is the ability to connect things together and have them work, such as connecting a refrigerator to electrical power, a video recorder to a television, or a computer to a printer.
Compatibility is an issue that is important in all branches of engineering, especially computer and software engineering.
When these criteria are met, S2 is backwards compatible with S because it still supports interface I and therefore the client C can be switched over to use S2 and still operate correctly.
www.bookrags.com /Backward_compatibility   (1920 words)

 Backward Compatibility: game consoles
It was not 100% compatible with all 5200 consoles.
Microsoft claims that their Xbox 360 will be backward compatible with "most popular Xbox titles." Time will determine what this means, but it appears that Microsoft recognizes the value of keeping a library accessible via a new platform.
By offering backward compatibility with both the PS1 an dthe PS2, Sony is providing PlayStation 3 owners with the largest combined library of playable titles on any single home system.
www.thocp.net /software/games/reference/compatibility_backward.htm   (1019 words)

 What is backward compatible? - A Word Definition From the Webopedia Computer Dictionary
A computer is said to be backward compatible if it can run the same software as the previous model of the computer.
Backward compatibility is important because it eliminates the need to start over when you upgrade to a newer product.
Upward compatible is the same as backward compatible, except that it is from the point of view of the older model.
www.webopedia.com /TERM/B/backward_compatible.html   (198 words)

 Backward compatibility | Dries Buytaert
As I listen to the conversations about backwards compatibility, and listen to what you lay out in your blog, this is the line that resonates the most.
In general, I think users are not as concerned with backward compatibility as they are with how long a particular version of Drupal will be supported and maintained.
In a lot of the cases, backward compatible functions can be left in and marked deprecated, given a specific lifetime, and then removed.
buytaert.net /backward-compatibility   (3488 words)

 Moving forward with Web services backward compatibility
The backward compatibility assessment, stage 1, is examined in the next section.
If a backward incompatible change must be made to a service, but both the old and the new version of the service must be available, then some means of supporting both the old and new interface is needed.
They also want to allow a backward compatibility window for existing Web service clients to migrate their applications to the new Web service definition, so the existing Web service definition must also be supported in parallel.
www.ibm.com /developerworks/java/library/ws-soa-backcomp/?ca=drs-   (4860 words)

 alphaWorks : Backward Compatibility Tester : Overview
The importance of backward compatibility is also apparent in developing a J2EE application.
It is often necessary to test the backward compatibility of Java libraries while developing a J2EE application.
Backward Compatibility Tester can be used to quickly test a library before replacing the old library with the new one.
www.alphaworks.ibm.com /tech/backcompatibility   (263 words)

 Xbox.com | Xbox 360 - Backward Compatibility FAQ
As the backward compatibility games list has grown, we've been fielding a number of questions from the gaming community.
Backward compatibility requires the Xbox 360 Hard Drive.
Like all Xbox 360 system software, backwards compatibility is updated from time to time.
www.xbox.com /en-US/games/backwardcompatibilityfaq.htm   (907 words)

 What is Backward Compatibility?   (Site not responding. Last check: 2007-11-02)
Backward compatibility is a feature that guarantees functionality with previous standards or versions.
When the standard was improved to the faster 2.0, devices built to the new standard had to incorporate backward compatibility to continue to run on existing USB ports at 1.1 speeds.
Backward compatibility keeps you up and running, enabling you to upgrade your system as time and the pocketbook allow.
www.wisegeek.com /what-is-backward-compatibility.htm   (519 words)

 davidbau.com: Theory of Compatibility (Part 1)
Version compatibility is when we can introduce a new version of either a producer or consumer of messages without changing the other.
Backward compatibility: this is what we want when a new version of a message consumer is introduced without changing the message producers.
Yes, but unlike the rule for "backward compatibility" it turns out to not be what we would want at all.
davidbau.com /archives/2003/12/01/theory_of_compatibility_part_1.html   (3809 words)

 Curmudgeon Gamer: Next-Gen on Backward Compatibility
I'm in favor of backward compatibility, primarily because it's a feature that I use regularly.
For retailers, backward compatibility means that they are not immediately stuck with piles of software that no one will want to buy.
And for the consumer, backward compatibility provides a huge catalog of older titles to enjoy in those first few anemic months after a new system launches.
curmudgeongamer.com /2006/06/next-gen-on-backward-compatibility.html   (883 words)

 Xbox 360 Backward Compatibility - Not!
Dig further, and Microsoft tells you they've decided to focus on making some top selling games backwards compatible, that a hard drive is required if you want this and that they'll be getting the entire Xbox portfolio made compatible over time.
Keep reading, and then you get to the part about backwards compatible meaning that this would be for "top selling" games.
The Xbox 360 will be backward compatible with a select number of Xbox games at launch, if you have an Xbox 360 hard drive.
daggle.com /060131-111336.html   (1010 words)

 RealNetworks Frequently Asked Questions: RealProducer G2 Plus
No, backward compatibility is supported for only one target bandwidth.
Backward compatibility is a function of the SureStream technology.
Because of the problem, SureStream files with backward compatibility enabled could not be successfully played after the files had been modified with either of the utilities.
service.real.com /help/faq/rprodpg2a5.html   (506 words)

 Compatibility Considerations and Version Changes
Backward compatibility means an application written for the.NET Framework version 1.0 can execute on version 1.1.
Although forward compatibility is supported by the.NET Framework, an application that uses a type or member specific to version 1.1 will never run properly on version 1.0.
Backward breaking changes are primarily made to implement security enhancements, while forward breaking changes are generally introduced to fix behavioral errors in  version 1.0.
www.gotdotnet.com /team/changeinfo   (1800 words)

 Xbox100.com - No Backward Compatibility In Xbox 2 ?
"In the event that Xbox Next is not backward compatible, we think that the device will be very slow to grow its footprint," the report warns, while elsewhere it suggests that such a move could damage the company's long-term prospects for the console.
and backward compatibility is only good for the 1st year when there arent many titles out for the new console yet.
While the company has not denied or confirmed the backwards compatibility issue for their next console, they did release an official statement that claims, "Recent stories in the press about future Xbox products are nothing more than pulp fiction.
www.xbox100.com /forums/showthread.php?t=8603   (678 words)

 Xbox 360 to be backwards compatible? - Engadget
So far one of the biggest unanswered questions about the Xbox 360 is whether or not it's going to be backwards compatible with games for the original Xbox.
Xbox 360 is going to more than likely have backwards compatibility; but only if you have the hard dive since Xbox games were written wit the hard drive as part of the system.
Backwards compatibility is going to be there, one way or another.
www.engadget.com /2005/04/27/xbox-360-to-be-backwards-compatible   (1858 words)

 SoundStage! Surrounded! - Backward Compatibility and High-Resolution Audio (3/2003)
While we’re all armchair quarterbacks to an extent, myself among the well enlightened, there are larger forces at work that have only come to the surface recently and serve to broaden the discussion.
Most of this revolves around backward compatibility, which as you’ll see is wholly connected to multichannel audio and even bigger issues.
Backward compatibility can mean different things depending on which format you’re discussing.
www.soundstage.com /surrounded/surrounded200303.htm   (1160 words)

 » Buy now … We’ll add full backward compatibility later! | Hardware 2.0 | ZDNet.com
Assuming that this is an indication that backward compatibility is now being pushed to the back-burner (so that they can work on making the 360 more unhackable, perhaps?) then it’s disappointing … but not all that surprising.
Backward compatibility was a big worry among existing Xbox owners and while Microsoft were honest about the fact that the 360 wasn’t going to support every game, promises were made that every attempt would be made to rectify this over time.
So, while abandoning the effort for total (or near total) backward compatibility between the Xbox 360 and old Xbox games might make sense as far as the bottom line goes, it could well damage sales, and possibly result in some existing Xbox users migrating to another console.
blogs.zdnet.com /hardware/index.php?p=6   (775 words)

 Backward Compatibility
Interestingly, backwards compatibility may be more important as a
backwards compatibility was second only to appealing game content in
Backwards compatibility may also be important in the PS3's early days
www.exploitstation.com /smf/index.php?topic=5855.msg33983   (400 words)

 Backward/Forward Compatibility Issues with HDF5
The first class of compatibility issues consists of situations where an HDF5 Library from one release cannot read files or datasets created by an HDF5 Library of a different release.
The second class of compatibility issues consists of situations where an application written to work with one version of the HDF5 Library fails to compile, link, or behave as would be expected with a different version of the library.
Note that compatibility flags are maintained only for the releases associated with the immediately following minor version number (see library version numbers above).
hdf.ncsa.uiuc.edu /HDF5/faq/bkfwd-compat.html   (2897 words)

 bagudkompatibilitet - backward compatibility (Danish to English translation glossary) Open XML,Computers: Systems, ...
I also checked up with someone who works in IT who said that both reverse compatibility and backward compatibility are correct but reverse compatibility is the more usual phrase
Backward compatibility is more common, though reverse compatibility can ber use.
Bjørnar Magnussen: It's fairly easy to verify which phrase is the more usual: 22,000 Google-hits on "reverse compatibility", 1.2 mill on "backward compatibility".
www.proz.com /kudoz/1652332   (281 words)

 The Little Wheel Goes in Back : Backward compatibility
I just finished reading a couple pretty extensive threads on AvSim on how important customers think backward compatibility (specifically to accomodate third-party add-ons) should be when designing the next version of Flight Sim.
But getting back to backward compatibility...we have and will continue to strike a balance between enabling users to continue to get value from their add-on investments and give them a new, unique and compelling experience.
With that said, it is obvious that MS tries to keep compatibility as much as possible as you go across versions and that is great especially with a winner engine that is in FS:COF.
blogs.msdn.com /tdragger/archive/2005/08/31/458560.aspx   (1539 words)

 PS3 backward compatibility: Less than 100 percent | Crave : The gadget blog
One of the advantages of the PlayStation 3 that Sony's been touting is that it's fully backward compatible with games for the PlayStation 2 and even the original late 1990s-era PlayStation 1.
Compared to its main rival, the Xbox 360, the PS3's less-than-total backward compatibility still comes out ahead: the 360 currently supports more than 200 older Xbox1 games (full list) out of a total of around 700, with Microsoft periodically expanding the list via downloadable emulation profiles.
Meanwhile, the Nintendo Wii plays all of the company's GameCube titles, but we wouldn't be shocked to see a handful of incompatibilities crop up on that console, either.
crave.cnet.com /8301-1_105-9662591-1.html   (440 words)

 Xbox.com | Xbox 360 - Original Xbox Games on Xbox 360
This list of titles that have passed hand certification for compatibility with Xbox 360 is provided for informational purposes only and is subject to change without notice.
Currently the North American versions of these games are the only ones supported as backward compatible titles on Xbox 360.
Currently the Japanese version of this game is not supported as a backwards compatible title on the Xbox 360.
www.xbox.com /en-US/games/backwardcompatibilitygameslist.htm   (294 words)

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