While SRv6 is going through a great momentum, there are networks out there that will never support it. This presentation by Jorge Rabadan is about how to interconnect domains with different encapsulation options (VXLAN, SR-MPLS and SRv6). It discusses what inter-domain connectivity is, when to use service gateways and its procedures.
The inter- domain gateways will have to preserve the end-to-end connectivity requirements, while providing a secure and efficient solution
Related link: https://www.nokia.com/blog/how-to-build-better-ip-services-with-segment-routing/
Source: Nokia YouTube
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