https://www.ietf.org/ietf-ftp/ietf-mail-archive/softwires/
Index of /ietf-ftp/ietf-mail-archive/softwires/
mail archiveindexietfftpsoftwires
https://www.juniper.net/documentation/us/en/software/junos/interfaces-adaptive-services/topics/topic-map/ds-lite-softwires.html
DS-Lite Softwires | Junos OS | Juniper Networks
DS-Lite is supported on Multiservices 100, 400, and 500 PICs on M Series routers, and on MX Series routers equipped with Multiservices DPCs. Starting in Junos...
ds litejunos ossoftwiresjunipernetworks
https://www.juniper.net/documentation/us/en/software/junos/interfaces-adaptive-services/topics/topic-map/monitoring-toubleshooting-softwires.html
Monitoring and Troubleshooting Softwires | Junos OS | Juniper Networks
With Junos OS Release 11.4, you can use the ping and traceroute commands to determine the status of the DS-Lite softwire tunnels:
junos osmonitoringtroubleshootingsoftwiresjuniper