星期日, 七月 13, 2003
Distributed File Backup
You've got a file to backup. Pull a floppy? Burn a CD? Copy to another disk/machine? Save it in your Yahoo briefcase or somewhere on the Net? Or you already have RAID, mirrors, etc. When you want to restore the file, copy it back, right?
You can even have multiple saved copies on different locations.
How about break your file in some way and each portion of that is saved somewhere and you don't even need to know where the portion is physically located? When you want to recover this file, just grab those portions from those locations concurrently. Basically the Internet looks like a huge disk space with needed file backup/recover interface to you. You just click a menu item in you Microsoft Word "File->Save it to the Internet", and you are done. Of course you will have another menu item "File->Restore a previous copy from the Internet".
Similar to SETI, which makes use of spare cycles of ten of thousands of computers for a special computation, this scheme will make use of some free disk space for all the users.
Will this work? Will this benifit end-user in terms of reliability, accessibility, and performance? How about security concerns in terms of confidentiality and authentication?
Will you agree to share some disk space for others all over the Internet?
You can even have multiple saved copies on different locations.
How about break your file in some way and each portion of that is saved somewhere and you don't even need to know where the portion is physically located? When you want to recover this file, just grab those portions from those locations concurrently. Basically the Internet looks like a huge disk space with needed file backup/recover interface to you. You just click a menu item in you Microsoft Word "File->Save it to the Internet", and you are done. Of course you will have another menu item "File->Restore a previous copy from the Internet".
Similar to SETI, which makes use of spare cycles of ten of thousands of computers for a special computation, this scheme will make use of some free disk space for all the users.
Will this work? Will this benifit end-user in terms of reliability, accessibility, and performance? How about security concerns in terms of confidentiality and authentication?
Will you agree to share some disk space for others all over the Internet?
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