public com.google.protobuf.ByteString getNetworkBytes() {
      java.lang.Object ref = network_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        network_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
The name of a network they wish to peer the TPU node to. It must be a
preexisting Compute Engine network inside of the project on which this API
has been activated. If none is provided, "default" will be used.
</pre>

<code>string network = 12;</code>

@return The bytes for network.
java-tpu/proto-google-cloud-tpu-v1/src/main/java/com/google/cloud/tpu/v1/Node.java