Robert C. Friend (April 22, 2004) [April 2, 2004]. "Hifn's Statement about IPR claimed in draft-friend-tls-lzs-compression, RFC1967, RFC1974, RFC2118, RFC2395, and RFC3078". IETF. http://www.ietf.org/ietf/IPR/hifn-ipr-draft-friend-tls-lzs-compression.txt