DVD+RDL (DL stands for Double Layer) also called DVD+R9, is a derivative of the DVD+R format created by the DVD+RW Alliance. Its use was first demonstrated
DVD-RDL (DL stands for Dual Layer), also called DVD-R9, is a derivative of the DVD-R format standard. DVD-RDL discs hold 8.5 GB by utilizing two recordable
higher-capacity formats like Blu-ray and HD DVD. DVDDVD recorder (DVDR) DVD-RDL CD-RDVD+RDLDVD+RW DLDVD-RAM MiniDVD MultiLevel Recording, an obsolete technology
for DVD-ROMs. Also, the DVD+RW Alliance publishes competing recordable DVD specifications such as DVD+R, DVD+RDL, DVD+RW or DVD+RW DL. These DVD formats