Md. Mahabubur Rahman

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Industry talk, career, and discussion that does not fit a stack.

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All notes4 NetworkingBGP, MPLS, VXLAN, peering, and service-provider routing.1 Systems & serversLinux, NOC tooling, observability, and how the box is run.1 SecurityRPKI, DDoS, routing hygiene, and backbone defense.2 Field notesIndustry talk, career, and discussion that does not fit a stack.0

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01RPKI and BGP security on a national backbone12 Aug 2026
02DDoS mitigation when the customer is an ISP28 Jul 2026
03VXLAN overlay for isolation without losing uptime18 Jun 2026
04What a national backbone NOC actually needs9 May 2026

Md. Mahabubur Rahman

Deputy Manager — Service Provider Backbone Planning & Implementation

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