Network infrastructure mean IP, not "everything I use". Network operations are responsible for the network infrastructure. Cassandra is not network infrastructu

Network infrastructure mean IP, not "everything I use". Network operations are responsible for the network infrastructure. Cassandra is not network infrastructure, it's just another application, one of tens of thousands that network support. Network infrastructure is IP, and TCP is the highest layer just for the testing purposes, to ensure there is no ACL or load sharing hash issue that would put the packet on a sub performance link.