Yes, we have looked at both Apache Avro and Thrift. The ION encoding is similar to these. Avro uses schemas, just like Protobuf, so it is not so easy to route f

Yes, we have looked at both Apache Avro and Thrift. The ION encoding is similar to these. Avro uses schemas, just like Protobuf, so it is not so easy to route for intermediate nodes. Thrift uses its own IDL schema language too.