If you're concerned about the longevity of optical media, you'll probably want to read this. The Optical Storage Technology Association (OSTA) has announced that they've partnered with Ecma International to finalize an industry-wide archival-grade optical disc specification.
The Optical Storage Technology Association (OSTA) announced today that it has signed an agreement with Ecma International to work together to finalize an industry-wide archival-grade optical disc specification. The purpose of this initiative is to address end user needs calling for established practices in media archive life testing and classification. The final goal is the issuance of an ISO standard available to industry for broad implementation.
According to OSTA's press release, the two groups plan to develop an optical media archival test methodology and promote its implementation. More information can be found here.