A Survey of Lower-than-Best-Effort Transport Protocols, June 2011
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This document provides a survey of transport protocols that are designed to have a smaller bandwidth and/or delay impact on standard TCP than standard TCP itself when they share a bottleneck with it. Such protocols could be used for delay-insensitive "background" traffic, as they provide what is sometimes called a "less than" (or "lower than") best-effort service. This document is not an Internet Standards Track specification; it is published for informational purposes.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 4844.