CREATE TABLE table_17407 ("Vendor and type" TEXT, "Models" TEXT, "NetFlow Version" TEXT, "Implementation" TEXT, "Comments" TEXT)

What is the implementation when the netflow version is v5, v8, v9, ipfix?
SELECT "Implementation" FROM table_17407 WHERE "NetFlow Version" = 'v5, v8, v9, IPFIX'
SELECT "Implementation" FROM "table_17407" WHERE "NetFlow Version" = 'v5, v8, v9, IPFIX'