> 2. For traditional mode (basic mode), could you please elaborate on the MTU > overhead being less than GTPU? GTPU encap MTU overhead = 20 octets outer IPv4 > header + 8 octets UDP header + 12 octets GTPU header + Extension header for > QFI. SRv6 encap MTU overhead = 40 octets IPv6 header + EH for carrying QFI > (this part is not clear - see my next question). In your blog > https://blog.apnic.net/2018/03/07/reducing-complexity-5g-networks-using-segment-routing-ipv6/ > I noticed in Fig.1 the MPLS / TE headers included in calculation. So does > the MTU overhead saving talked about for SRv6 assume that underlay TE > technologies are replaced? It is not clear from the draft. If there are any > other drafts that provide a clear calculation on the MTU savings, could you > please point to them?
And to add LISP for comparison: LISP encap = 20 octets outer IPv4 header + 8 octets UDP header + 8 octets LISP header. Dino _______________________________________________ dmm mailing list firstname.lastname@example.org https://www.ietf.org/mailman/listinfo/dmm