https://mailarchive.ietf.org/arch/msg/rtg-dir/VFF1OoOst3uQx3AkI39dSd4RoFA/
https://mailarchive.ietf.org/arch/msg/rtg-dir/xpcYAoyJlxPcnx5rmvaBjDT7b2w/
https://mailarchive.ietf.org/arch/msg/rtg-dir/UoiTSIfz6VbQ2goOXMQm-sku-bU/
https://mailarchive.ietf.org/arch/msg/rtg-dir/V9yGhQobqFrRlw2shY6YpCGXbK8/
https://mailarchive.ietf.org/arch/msg/rtg-dir/U9G4pE1TPz_Dsmnpvzgf73B87HI/
https://mailarchive.ietf.org/arch/msg/rtg-dir/tJlfNqc0j1MA4PZjAgvcQm_HxR8/
https://mailarchive.ietf.org/arch/msg/rtg-dir/XUzqgx7BnMJnL6RkU_SUe2UzrVA/
https://mailarchive.ietf.org/arch/msg/rtg-dir/-jUgzgJ1XyrHAUy7PLkHVNvxzZQ/
https://mailarchive.ietf.org/arch/msg/rtg-dir/PgPdT2H_i_UKe5E8NC9zwB9WloY/
https://mailarchive.ietf.org/arch/msg/rtg-dir/lWdDpVGkBvNT0eF3gt9IE1vRD9U/