Abstract

This is the full engineering report, previously released only to participating vendors. Released to the general public by The Tolly Group in January 2026.

Multi-vendor evaluation of local Token RIng bridges. Follow on to 1992 Data Communications magazine article.

Bridges from: Cisco, Olicom, Madge, SynOptics, IBM, and 3Com.

The testing benchmarked throughput and latency at various frame sizes and reviewed pricing for each solution. 

[OCR needed.]