In today’s increasingly complex networking environments, trust is not a static property; it must be continuously measured, verified, and shared across administrative domains. This is precisely the challenge that the CASTOR project tackles: how do you ensure that the routing decisions shaping your network traffic are made based on trustworthy, tamper-proof evidence? A key pillar…
Building on our previous remarks on subjective logic and the mathematical foundations that make network trust quantifiable, we must confront the reality that implementing such a framework in a real-world, multi-vendor forwarding environment is a journey through uncharted territory. While the CASTOR architecture provides the “dual brain” of Local and Global assessment functions, several complex…
While we have previously explored the fundamental shift from binary to quantifiable trust, the actual realisation of this vision requires a specialised architecture capable of monitoring every corner of the Computing Continuum. In heterogeneous and distributed high-stakes environments like autonomous drone swarms or first responder networks -where end-to-end service assurances demand the tight convergence of volatile…
The vast amount of data in constant transit throughout the Compute Continuum necessitates a continuous evaluation of trust to ensure data security. In addition, the pressing need for low network latency must also be managed. Whilst traditional approaches often treat trust as a one-time binary decision, CASTOR Horizon shifts towards and beyond a “Below-Zero-Trust” modality,…
In today’s hyper-connected world, the Computing Continuum demands a fundamental shift inhow we secure data as it travels across the network. While traditional networking focuses onfinding the fastest path, the CASTOR project introduces a new, non-negotiable metric:quantifiable trust. Moving Beyond Binary TrustTraditional security models often treat trust as a binary “on/off” switch, and a router…
CASTOR’s key objective is to identify thetrustworthy path in the constantly shifting Compute Continuum. In a previous article, we established that a secure route is no longer defined just by network performance, but by a demonstrably trustworthy path from start to finish. However, achieving this is nearly impossible with traditional security models that rely on…
Imagine you need to ship a precious, time-sensitive package across a large, complicated city. You have many routes to choose from, involving multiple delivery vehicles and checkpoints. You don’t just care about the fastest route; you care about the safest, most reliable path where every driver and warehouse is completely trustworthy. This is the central…
In modern networks, data often traverses many intermediate nodes, spanning differentorganizations and administrative domains. Traditional routing algorithms are designed tofind the shortest or fastest path, but they do not consider whether the path istrustworthy. In critical environments, this is no longer enough. We need routes that arenot only fast, but also safe. This is the…
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