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Achieving inter-domain routing security based on distributed translator trust model

To resolve the difficulties in deployment of the classic security solution 
 S-BGP (Secure Border Gateway Protocol), the Translator Trust Model (TTM) for 
 a new solution SE-BGP (Security Enhanced BGP) was proposed to transform the 
 centralized deployment mode of S-BGP to distributed mode. However, the trust 
 (attestations of routing information) translation of TTM only depends on a 
 single hub node and this results in severe threats for the inter-domain 
 routing system. To overcome the deficiencies of TTM, in this paper we improve 
 TTM to Distributed TTM (DTTM) by expanding the single hub node to a set of 
 selected multiple hub nodes; in our DTTM, the task of attestations is 
 distributed over multiple hub nodes instead of on a single hub node. In order 
 to make the hub nodes respond to the case of single node failures, we design 
 a restoration mechanism to recover the network based on the neighbour-ring 
 structure. Besides, we develop Cooperative Secure BGP (CSBGP) to realize DTTM 
 in BGP. In comparison with SE-BGP, our experimental results show that CS-BGP 
 achieves an improved scalability, reduced convergence time and enhanced 
 security.