In general, rdiff-backup does not strive to make newer clients compatible with older servers (or vice versa). However, there is no intention to purposefully make different versions incompatible across the network -- changes are introduced primarily to fix bugs or introduce new features that cannot be implemented without breaking the network protocol. Furthermore, rdiff-backup does try to make it possible to read older archives.

The amount of memory rdiff-backup uses should not depend much on the size of directories being processed. Keeping track of hard links may use up memory, so if you have, say, hundreds of thousands of files hard linked together, rdiff-backup may need tens of MB. If rdiff-backup seems to be leaking memory, it is probably because it is using an early version of librsync. librsync 0.9.5 leaks lots of memory. Later versions should not leak and are available from the librsync homepage.

rdiff-backup can be limited by the CPU, disk IO, or available bandwidth, and the length of a session can be affected by the amount of data, how much the data changed, and how many files are present. That said, in the typical case the number/size of changed files is relatively small compared to that of unchanged files, and rdiff-backup is often either CPU or bandwidth bound, and takes time proportional to the total number of files.

There is no internal rdiff-backup option to do this. However, external utilities such as cstream can be used to monitor bandwidth explicitly. trevor@tecnopolis.ca writes: rdiff-backup --remote-schema 'cstream -v 1 -t 10000 | ssh %s '\''rdiff-backup --server'\'' | cstream -t 20000' 'netbak@foo.bar.com::/mnt/backup' localbakdir (must run from a bsh-type shell, not a csh type) That would apply a limit in both directions [10000 bytes/sec outgoing, 20000 bytes/sec incoming].

Yes, several leading consumer electronics companies (including Sony, Panasonic, Philips, Samsung, Pioneer, Sharp and LG) have already demonstrated products that can read/write CDs, DVDs and Blu-ray discs using a BD/DVD/CD compatible optical head, so you don't have to worry about your existing DVD collection becoming obsolete. In fact, most of the Blu-ray players coming out will support upscaling of DVDs to 1080p/1080i, so your existing DVD collection will look even better than before.

Yes, but the list of compatible games will only be known at launch. The AU PS3 has had hardware emulation disabled in favour of software emulation, unlike the US version. Whether or not this will lead to better or worse backwards compatibility is not known.

The Wii can play Gamecube games right out of the box, and sports 4 Gamecube controller ports, as well as 2 Gamecube memory card slots. The Wii can also play Nintendo's catalog of console games all the way back to the NES. Nintendo will be periodically releasing new games for the Virtual Console for a small fee per game.

CAT5 is also upwardly compatible with CAT5e, however your network throughput will only be as fast as the slowest part.

The short answer is no, the long answer is probably not. I believe that Game Park hold the rights to the GP32 and anyway, the OS on the GP2X is just too different. Linux is a computer operating system and its kernel. It is one of the most prominent examples of free software and of open-source development: unlike proprietary operating systems such as Windows and Mac OS, all of its underlying source code is available to the public and anyone can freely use, modify, and redistribute it."

The new program can not access the old microBBM™ database. New survey data files will be released with the program-launch. For more details, please refer to FAQ item "Will old surveys be re-issued in the new format, and how far back?". The new microBBM™ also has a new format for its runs (orders).

The Revolution will be able to play Gamecube games right out of the box, and sports 4 Gamecube controller ports, as well as 2 Gamecube memory card slots. The Revolution will also be able to play Nintendo's catalogue of console games all the way back to the NES. It is unknown exactly which games fall into this category. It has been confirmed by Reginald Fils-Aime that there will be a small fee involved, but the exact amount, and payment method is unknown.

This really depends on what I decide to add to each release, but I'll only make changes that require changes to client-code if there's a good reason for it. In general most new releases haven't affected any client-code, but where it does I'll explain what to do in the release notes. I also try to ensure that any changes break the code at compile-time, rather than causing unexpected problems later on.

For example: Code compiled with WinDriver v4.32 will work, without recompilation, after replacing the windrvr.sys/vxd file for v4.32 with the driver file from version 5.05 (although for PCI/USB hardware on Windows 98/Me/2000/XP/Server 2003, you may also need to replace the INF file for the device to one registered with the DriverWizard from the newer version). However, in version 6.

Why is xml:space set to 'preserve' on all elements of XHTML? I don't want to see extra space in my output.

No. The GameCube runs on a mini-DVD medium while the Nintendo 64 was a cartridge based system. With far more developers signed up for the GameCube than ever were signed up for the N64, is backwards compatibility really wanted? GameCube presents a dramatic leap in capability and such a great difference in hardware, backwards compatibility just isn't worth it.

Answer: WAP V2 has been designed to be backward compatible in different ways depending on the part of WAP you are considering. The protocols and security of WAP V1 are included in WAP V2, with some enhancements, thereby allowing backwards compatibility directly. To this WAP V1 protocols have been added the new Internet protocols, i.e. TCP/IP, HTTP/1.1 and TLS.

The Beatles began to enjoy experimenting with bits of backwards tape, as can be heard as early as their single "Rain". What "backwards masking" refers to, however, is the alleged recording *forwards* of a reverse message, comprehensible only by playing the song *backwards* --- although this is not the audiophilic definition of the term (which is a phenomenon perceived when a soft passage is followed by a loud passage of music, talk, whatever..

SwapDrive Backup has been engineered for Windows-based computers that are running Windows 98, Windows ME, Windows 2000, or Windows XP operating systems.

There are two distinct types of upgrades: Minor Upgrades will be provided free of charge. These address any known issues or bugs, cosmetic changes, navigational improvements, and minor enhancements. Major Upgrades will usually come in the form of module additions. These modules will optional components. We will charge for these based on the functionality they provide. All upgrades will be backward compatible. No major release will require that you scrap what you already have.

SATA can be made backwards compatible with PATA, but it requires a bridge chip to do so. Small converter boards are sold, they cost $15 - $46 each. OWC has a couple that they've apparently tested and found to work well in the G5, newegg has a bunch more.

Absolutely! The new Logitech Mobile Video v7.0 for desktop is backwards compatible with the current v6.0 and the new v7.0 handsets.

Yes. GeoExpress can read all previous versions of MrSID and encode to MG2 and MG3 files. The ExpressView browser plug-in can view all previous versions of the MrSID file format. The ExpressView browser plug-in ships on the GeoExpress CD and is available as a free download at www.lizardtech.com in the downloads section.