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Pure Dual Stack Implementation

Pure Dual Stack Implementation. IPv4 Applications. IPv6 Applications. socket_apis_v4_AF_INET. socket_apis_v6_AF_INET6. User Space. Kernel Space. IPv4. IPv6. socket_v4_mods. socket_v6_mods. Protocol Control Block Data Structures. Protocol Control Block Data Structures.

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Pure Dual Stack Implementation

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  1. Pure Dual Stack Implementation IPv4 Applications IPv6 Applications socket_apis_v4_AF_INET socket_apis_v6_AF_INET6 User Space Kernel Space IPv4 IPv6 socket_v4_mods socket_v6_mods Protocol Control Block Data Structures Protocol Control Block Data Structures TCP_UDP_v4_mods TCP_UDP_v6_mods IPv4_input/output Module IPv6_input/output Module IP Packet Processing

  2. Hybrid Stack Implementation IPv4 OR IPv6 Applications socket_apis_AF_INET6 OR AF_INET User Space Kernel Space IP socket_mods Protocol Control Block Data Structures TCP_UDP_mods IPv4_input/output Module IPv6_input/output Module IP Packet Processing

  3. Hybrid Stack Core Advantages • Reduces Kernel Bloat and Maintenance • Leaves Socket and Transport Layer in tact with conditionals. • Common Protocol Data Structures for IPv4 and IPv6 using IPv4-Mapped Addresses. • Applications can support both IPv4 and IPv6 using IPv4 Mapped Addresses, so ISVs can ship one binary supporting either IPv4 or IPv6. • Existing IPv4 Binaries keep on running. • Network Layer is a Dual IP Layer leaving below IP specific to data links and data link software.

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