By default, which of the following fields would be listed in the fields sidebar under interesting Fields?

Answer the following statements true (T) or false (F)

1. A big advantage to using cloud computing to store your data and share it with others is that cloud providers do not have security failures. 2. The Internet is the only piece of networking infrastructure that you need for cloud computing. 3. Cloud storage is a subset of cloud computing that consists of database storage and database applications hosted remotely on cloud servers. 4. In effect, PaaS is an operating system in the cloud. 5. A cloud service category can include capabilities from one or more cloud capability types.

Outline the design of a scheme that uses message retransmissions with IP multicast to overcome the problem of dropped messages. Your scheme should take the following points into account:

i) there may be multiple senders; ii) generally only a small proportion of messages are dropped; iii) unlike the request-reply protocol, recipients may not necessarily send a message within any particular time limit. Assume that messages that are not dropped arrive in sender ordering.