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IEEE/ICACT20260343 Slide.05        [Big Slide]       [YouTube]	Oral Presentation
	This slide highlights the core security problem. In NRS-based ICN, attackers can exploit two major weaknesses. First, cache pollution: the attacker manipulates request patterns so caches store low-reuse objects, pushing out popular content. When cache hits drop, more traffic falls back to resolution and producers, which increases load on NRS and control plane. This creates a reinforcing loop: worse caching leads to more resolution, which increases latency and further stresses the system. Second, forwarding exhaustion: the attacker targets the resolution–control–forwarding chain by triggering frequent resolution and rule installation or removal. Forwarding tables are limited, and control-plane bandwidth is limited, so repeated rule churn can delay or block legitimate forwarding setup. The important point is that many existing ICN defenses assume hop-by-hop router state, but in NRS-based ICN, the attack pressure concentrates on the NRS cluster and the centralized control logic.

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