The DSE Graph Engine is a property graph that is built into DSE and leverages DSE’s capabilities for storage, search and analytics.
In the past, we have commented that graph was well-integrated within DSE and that it therefore shared many of the advantages of Cassandra. However, now that the Graph Engine is built in such a comment seems superfluous. Perhaps more to the point, to all intents and purposes DataStax no longer markets its graph capabilities as distinct from Cassandra. Of course, it is still available for use in that way if that is what you want to do, but the emphasis is now much more on how the two are complementary, whether that is in IoT environments or for applications involving Customer 360º or in a variety of other use cases.