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Basic Bridging BroadBand element Installé sur le CPE de l’utilisateur final

Légende Réseau local en IPv4 Réseau de l’opérateur en IPv6. IPv6. Routeur. AFTR Address Family Transition Router element En sortie du réseau opérateur Rôle de NAT IPv4-IPv4 Remote endpoint du tunnel v4-in-v6. IPv4. Tunnel IPv4-in-IPv6. Basic Bridging BroadBand element

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Basic Bridging BroadBand element Installé sur le CPE de l’utilisateur final

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  1. Légende Réseau local en IPv4 Réseau de l’opérateur en IPv6 IPv6 Routeur AFTR Address Family Transition Router element En sortie du réseauopérateur Rôle de NAT IPv4-IPv4 Remoteendpoint du tunnel v4-in-v6 IPv4 Tunnel IPv4-in-IPv6 Basic BridgingBroadBandelement Installé sur le CPE de l’utilisateur final Local endpoint du tunnel v4-in-v6

  2. Legend Local IPv4 network ISP IPv6 network IPv6 Router AFTR Address Family Transition Router element ISP network’s gateway NAT IPv4-IPv4 Remoteendpoint of the v4-in-v6 tunnel IPv4 Tunnel IPv4-in-IPv6 Basic BridgingBroadBandelement On the final user CPE Local endpoint of the v4-in-v6 tunnel

  3. Legend IPv4 addresses IPv6 addresses Router Initial packet sent by end user @S PS Data AFTR @D PD 1

  4. Legend IPv4 addresses IPv6 addresses Router Initial packet sent by end user @S @S PS PS Data Data AFTR @D @D PD PD Encapsulation by the B4 1 2 @B4 @AFTR

  5. Legend IPv4 addresses IPv6 addresses Router Initial packet sent by end user @S @S @S PS PS PS Data Data Data 3 AFTR @D @D @D PD PD PD Encapsulation by the B4 Decapsulation by the AFTR… 1 2 @B4 @AFTR

  6. Legend IPv4 addresses IPv6 addresses …andNAT translation by the AFTR 4 PAFTR @AFTR Data PD @D (@s, Ps,@B4) <-> (@AFTR, PAFTR) Router Initial packet sent by end user @S @S @S PS PS PS Data Data Data 3 AFTR @D @D @D PD PD PD Encapsulation by the B4 Decapsulation by the AFTR… 1 2 @B4 @AFTR

  7. (@s, yy, @B4) <-> (@AFTR, xx) Routeur AFTR Demandeexplicite de redirection : port AFTR xx = port client yy

  8. IPv6 Routeur IPv4 AFTR Tunnel IPv4-in-IPv6

  9. Machine1 @X Client final B4 AFTR Demande de port (@s, Ps, @B4) Demande de port (@s, Ps, @B4) @s, Ps, @B4 <-> @AFTR, PAFTR Demande de connexion (@x, Px, @AFTR, PAFTR) @s, Ps, @B4 <-> @AFTR, PAFTR Connexion (@x, Px, @D, PD, @B4) Connexion (@x, Px, @D, PD, @B4)

  10. AFTR Pessac764 RSM DISI Internet VLAN 168 VLAN utilisateurs Pessac168 B4

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