Technically content addressing and chunking (chopping up files) are two orthogonal techniques. You could envision a system where the hash of a single raw file (

Technically content addressing and chunking (chopping up files) are two orthogonal techniques. You could envision a system where the hash of a single raw file (no matter how big it is) is it's identifier, and you can then have a mapping between that identifier and the locations (e.g. IP addresses) of servers who store the whole file.