Disclosed herein is a distributed, modular and highly available routing apparatus that is enabled to perform IP, MPLS VPN v4 and v6 services. The routing apparatus comprises a plurality of functional modules selected from the group consisting of a processor, a data storage module, an input/output module, a shared memory, and a network module. Each functional module is driven by a software architecture comprising a TCP/IP stack, a protocol serializer, a protocol de-serializer, an in-memory data store and one or more utility applications. The software architecture is stored partially or completely in the user space of the operating system of the routing apparatus.
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