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Well, actually that's what I'm mainly interested in - what the technical differences between OpenTracing and the tracing part of OpenCensus are. Excuse me for

Well, actually that's what I'm mainly interested in - what the technical differences between OpenTracing and the tracing part of OpenCensus are. Excuse me for my badly worded question. However, why they can't combine their efforts: Probably a lot of infrastructure is built on both of them, having the aforementioned potential technical differences, which could make any unification backwards incompatible, as in: traces produced by the unified standard wouldn't be parsable by todays infrastructure tooling of the companies using them. There may also be different tradeoffs chosen, which again boils down to the question regarding the technical differences.

nevi-me 8y ago
The thing is that they both target similar applications. Zipkin has been around for years, and as both support sending data to it, surely there's enough common ground. I understand what you mean regarding infra, but I think the parties could work towards unity in future. gRPC supports OpenCensus for example, I recall that OpenTracing has been working on an RPC for reporting traces. gRPC by being the RPC framework, it would make sense if it could self-report to OT in addition to OC.