Network Working Group M. Luby Request for Comments: 3451 Digital Fountain Category: Experimental J. Gemmell Microsoft L. Vicisano Cisco L. Rizzo Univ. Pisa M. Handley ICIR J. Crowcroft Cambridge Univ. December 2002 Layered Coding Transport (LCT) Building Block Status of this Memo This memo defines an Experimental Protocol for the Internet community. It does not specify an Internet standard of any kind. Discussion and suggestions for improvement are requested. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (2002). All Rights Reserved. Abstract Layered Coding Transport (LCT) provides transport level support for reliable content delivery and stream delivery protocols. LCT is specifically designed to support protocols using IP multicast, but also provides support to protocols that use unicast. LCT is compatible with congestion control that provides multiple rate delivery to receivers and is also compatible with coding techniques that provide reliable delivery of content. Luby, et. al. Experimental