High-capacity network architecture and critical infrastructure: an analysis on optical transmission (DWDM), IP/MPLS routing, and cybersecurity Governance
High-capacity network architecture and critical infrastructure: an analysis on optical transmission (DWDM), IP/MPLS routing, and cybersecurity Governance
DOI:
https://doi.org/10.51473/rcmos.v1i2.2025.2173Keywords:
Network Engineering. DWDM. IP/MPLS Routing. Cybersecurity. Critical Infrastructure.Abstract
The sustenance of modern digital economies requires a telecommunications infrastructure capable of supporting the exponential growth in data traffic caused by the expansion of 5G, cloud computing, and Artificial Intelligence. This scientific article proposes an exhaustive and multidisciplinary investigation into the engineering behind Internet Service Provider (ISP) networks, focusing on the integration between the physical optical transport layer and the logical routing layer. The methodology is based on a systematic bibliographic review of technical literature in telecommunications engineering and computer science. The study is structured into five high-density thematic axes: the physics of multiplexed optical transmission (DWDM), the resilience of autonomous routing (BGP/MPLS) and IPv6 transition, the modernization of Edge Computing infrastructures, the implementation of Zero-Trust security against distributed attacks (DDoS), and the imperative of technical capability (NetDevOps). Theoretical results demonstrate that the stability of mission-critical networks depends not only on the Shannon limit in optical fiber but on algorithmic traffic orchestration and the surgical mitigation of edge vulnerabilities. It is concluded that the contemporary network engineer must transcend static configuration, assuming the role of architect of programmable, resilient, and fully auditable systems.
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Copyright (c) 2025 Augusto Cesar Queiroz Camara (Autor)
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