CHAPTER 11 Road of IPv6 Network Slicing
11.1 Seed Sowing
In 2013, SR and SDN began to gain wide attention in the industry. SR provoked a lot of debate in its early stages. In particular, many MPLS technical experts were very unhappy about SR’s claim that it would completely replace LDP and RSVP-TE. I summarized five issues of SR in comparison with MPLS on the IETF mailing list (these issues were also described in draft-li-spring-compare-sr-ldp-rsvpte[1]). One of the issues was that the TE features supported by SR were incomplete. At that time, for example, SR did not support resource reservation for paths as RSVP-TE did. During my first visit to Huawei’s US Research Center in California in 2013, I communicated ...
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