CSCE 110 Lecture Notes - Lecture 7: Ipv6, Aadhaar, Ipv6 Address

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Hex example: rfid tag: batte(cid:396)(cid:455)less tag po(cid:449)e(cid:396)ed (cid:271)(cid:455) (cid:396)adio field. Example: 32 bit id: (cid:1012)-bit province (or state) number, 8-bit city number, 16-bit animal number, tag (cid:272)o(cid:374)te(cid:374)ts a(cid:396)e i(cid:374) (cid:271)i(cid:374)a(cid:396)(cid:455, but p(cid:396)og(cid:396)a(cid:373)(cid:373)e(cid:396)s use he(cid:454) (cid:449)he(cid:374) (cid:449)(cid:396)iti(cid:374)g/(cid:396)eadi(cid:374)g. Internet protocol version 6 (ipv6: ip(cid:448)(cid:1010) add(cid:396)esses (cid:1005)(cid:1006)(cid:1012) (cid:271)its (cid:894)(cid:1007). (cid:1008) * (cid:1005)(cid:1004)^(cid:1007)(cid:1012)(cid:895), this is a (cid:396)eall(cid:455) (cid:271)ig (cid:374)u(cid:373)(cid:271)e(cid:396), (cid:271)ut add(cid:396)ess spa(cid:272)e is (cid:374)ot used effi(cid:272)ie(cid:374)tl(cid:455). Ipv4 address space is assigned to a host: bette(cid:396) hie(cid:396)a(cid:396)(cid:272)hi(cid:272)al add(cid:396)ess allo(cid:272)atio(cid:374) that fa(cid:272)ilitates (cid:396)oute aggregation. The 128 bits of an ipv6 address are represented in 8 groups of 16 bits each. Ea(cid:272)h g(cid:396)oup is (cid:449)(cid:396)itte(cid:374) as (cid:1008) he(cid:454)ade(cid:272)i(cid:373)al digits a(cid:374)d the g(cid:396)oups a(cid:396)e sepa(cid:396)ated (cid:271)(cid:455) (cid:272)olo(cid:374)s (cid:894):(cid:895).

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