Data center managers sometimes find that the most conventional solutions to their data storage problems are not solved through the commonly used distributed storage architecture. When this occurs they find themselves looking at alternative network storage architecture such as BigTable and Dynamo. You have been asked by your CIO to prepare a white paper of 4-5 pages APA formatted describing the BigTable and Dynamo network storage architectures. In this paper you should do the following: Provide the advantages and disadvantages of the alternative solution. Consider the 2 key financial elements of the IT decision-making process that include ROI (return on investment) and TCO (total cost of ownership). The paper should mention some of the points below: Definition of iSCSI protocol The concept of using TCP/IP as a transport mechanism Media used mainly with hard drives and tapes Peer-to-peer type interface Generally up to 16 devices can be attached to a single busRAIDs on servers usually use SCSI hard disk