The following are the major differences between product cost and period cost: 1  Product Cost is the cost which can be directly assigned to the product. 2  Product Cost is based on volume because they remain same in the unit price, but differ in the total value.
Communication protocol. In computing, a protocol or communication protocol is a set of rules in which computers communicate with each other. The protocol says what part of the conversation comes at which time. It also says how to end the communication.
Brocade VCS. PPP (Point-to-Point Protocol) is a protocol for communication between two computers using a serial interface, typically a personal computer connected by phone line to a server.t is sometimes considered a member of the TCP/IP suite of protocols. Relative to the Open Systems Interconnection (OSI) reference model, PPP provides layer 2 (data-link layer) service.