Wave and Ethernet L2 Options for Private Point-to-Point Connectivity

June 8, 2026 by Cogent Solutions Engineering With Ethernet as the option of choice for WAN connectivity, Cogent offers two slightly different flavours for Ethernet WAN point-to-point connectivity: the Wave service option allocating bandwidth from the Cogent DWDM infrastructure and the Ethernet L2 service option allocating bandwidth from the Cogent routed/switched platform. When confronted to the choice between these two options, many customers often benefit from Cogent experience with such technical design. This article is an attempt to summarize Cogent experience and highlight key customer se