Datasheet: https://www.juniper.net/assets/uk/en/local/pdf/datasheets/1000522-en.pdf
SAVO: https://juniper.gosavo.com/CustomPage/View.aspx?id=41627216
vBNG Presentation
license for vMX
jnpr@ip-10-0-1-208> show system license License usage: Licenses Licenses Licenses Expiry Feature name used installed needed scale-subscriber 0 10 0 permanent scale-l2tp 0 1000 0 permanent scale-mobile-ip 0 1000 0 permanent