Su Khac Nhau Giua IPv4 Va IPv6

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Hc sinh: Nguyn Th Ngc Gio vin hng dn: Nguyn Trng Anh

Mc lc: II.Gii thiu v a ch IPv4 v IPv6. III.c im ca a ch IPv4 v a ch IPv6. IV.Cu trc ca a ch IPv4 v a ch IPv6. 5.Khi qut v a ch IPv4 Cc lp ca a ch IPv4 7.Khi qut a ch IPv6 Cch vit a ch IPv6 Cc loi a ch IPv6 IV. Cc a ch IPv4 tng thch vi a ch IPv6. V. Cch thc biu din s khc nhau ca hai a ch IP: 12.Khng gian a ch IPv6: 13.S dng cc a ch IPv6 trong URL:

I. Gii thiu v a ch IPv4 v IPv6: 2. a ch IPV4:

L i ch c cu trc, c chia lm hai loai network_id v host_id. a ch IPv4 c chiu di 32 bt c chia thnh 4 phn, mi phn 8 bt hay 1 byte, cn c gi l octet. Mi byte c th hin h thp phn c gi tr t 0 n 255. C cc cch trnh by sau: - Cch vit thp phn c du chm. - Cch vit theo h nh phn. - Cch vit theo h thp lc phn. Khng gian a ch IP (232 a ch) c chia thnh

Gii thiu v a ch IPv4 v IPv6: 2. a ch IPv6: IPv6 c chiu di l 128 bt hay 16 byte trong khi IPv4 ch s dng 32 bit hay 4 byte. iu cho php c th biu din khong 2128 a ch. C mt vi im khc nhau trong cch biu din a ch ca IPv6 so vi IPv4. Mt a ch IPv6 thng c vit thnh 8 nhm, mi nhm gm c 4 s h thp phn t 0x0000 n 0xFFFF v mi nhm c tch bit vi nhau bng du :. Cc k s h thp lc phn A, B, C, D, E, F trong a ch IPv6 khng phn bit ch hoa v ch thng..I.

II. c im ca IPv4 v IPv6: 2. c im ca IPv4: c im ca mng IPv4 m hin chng ta ang s dng l ch c 32 bit nn s a ch c th nh ra ch c khong 4 t. Trong khi , IPv6 c 128 bit, ln hn rt nhiu nn s a ch s khng b gii hn.

II. c im ca IPv4 v IPv6: 2. c im ca IPv6: - Khng gian a ch IP ln: - Cu trc header dn gin hn - Bo mt: - Nhiu c ch chuyn i:

III. Cu trc ca a ch IPv4 v IPv6: 2. a ch IPv4: a ch IP ang c s dng hin ti (IPv4) c 32 bit chia thnh 4 Octet ( mi Octet c 8 bit, tng ng 1 byte ) cch m u t tri qua phi bt 1 cho n bt 32, cc Octet tch bit nhau bng du chm (.). VD 1 a ch IP nh sau: 196.84.156.67. a ch IP c chia thnh 4 s gii hn t 0 - 255 (v 255 tng ng 11111111 ( h nh phn) l s ln nht c 8 bit).

a ch IP chia ra 5 lp A,B,C, D, E. Hin ti dng ht lp A,B v gn ht lp C, cn lp D v E T chc internet ang dnh cho mc ch khc khng phn, nn chng ta ch nghin cu 3 lp u.

III. Cu trc ca a ch IPv4 v IPv6: Cc lp a ch IPv4: - Lp A: Dnh mt byte u tin m t phn network-id v ba byte cn li m t phn host_id. nhn din ra lp A, bit u tin ca byte u tin phi l bit 0. Di dng nh phn, byte ny c dng 0xxxxxxx

III. Cu trc ca a ch IPv4 v IPv6: Cc lp a ch IPv4: - Lp B: Dnh hai byte u cho mi phn network_id v 2 byte cn li cho phn host_id. Du hiu nhn dng a ch lp B l byte u tin lun bt u bng hai bit 10. Di dng nh phn, octet c dng 10xxxxxxx

III. Cu trc ca a ch IPv4 v IPv6: Cc lp a ch IPv4: - Lp C: Dnh ba byte u cho phn netword_id v mt byte cn li cho phn host_id. Byte u tin lun bt u bng ba bit 110 v dng nh phn c octet ny l 110xxxxx

III. Cu trc ca a ch IPv4 v IPv6: Cc lp a ch IPv4: - Lp D v E: Lp D l lp a ch Multicast, gi tr ca byte u tin ca lp D nm trong khong 224 239. Cc a ch trong lp D khng dng gn cho Internet ca host. Lp E c gi tr byte u tin t 240 n 255. Lp E c dnh ring, cng khng c s dng gn cho Internet ca

III. Cu trc ca a ch IPv4 v IPv6: 2. a ch IPv4:

III. Cu trc ca a ch IPv4 v IPv6: 2. a ch IPv6: a ch IPv6 li chia thnh 3 loi chnh nh sau: - Unicast Address: - - Anycast Address:

- - Multicast Address:

III. Cu trc ca a ch IPv4 v IPv6: 2. a ch IPv6: Cc loi a ch IPv6: - a ch Unicast: