A three-way-handshake is a method used in a TCP/IP network to create a connection between a local host/client and server. It is a three-step method that requires both the client and server to exchange SYN and ACK (acknowledgment) packets before actual data communication begins. A three-way-handshake is also known as a TCP handshake.
DRM-free refers to media without digital rights management (DRM). DRM-free technology permits software to bypass access control technologies used in media protected by copyright laws. Due to consumer frustration with the inability to play digital music on any device they choose, and for as long as they want, DRM-free products are becoming more popular.
Napster began providing DRM-free MP3 music in 2009. Apple also provides digitally recorded music as DRM-free through iTunes. Apple also provides casual copying (defined as unshared, non commercial digital media usage) by way of their FairPlay DRM software. Furthering the new U.S. law, copyright owners can be fined if they add DRM software to media that is ruled as exempt. Amazon also provides DRM-free music. However, consumers should be forewarned about reading the fine print from the companies such as Apple, since limitations may be included.
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