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Ultra Lightweight Encapsulation for Efficient IPv6 Transport

The MPEG-2/DVB standards define several methods to encapsulate and carry IP datagrams in transport stream packets. In order to specify a flexible, yet efficient encapsulation the IETF has started the IP over DVB working group activity that developed the Ultra Light Encapsulation (ULE). ULE is currently in the working group last call procedure and may soon become an Internet standard. One specific goal of ULE is the efficient encapsulation of IPv6 datagrams. This paper describes the ULE encapsulation, its open source implementation, and presents the results of measurements that were carried out to compare the DVB standardized Multi-Protocol Encapsulation with ULE.