WAP (Wi-fi access protocol) is a specification that allows folks with wireless devices comparable to mobile phones and pagers to access the net instantly, for example; sending and receiving emails and entry to social networking sites equivalent to facebook. The stream of information is split into packets by the module and every packet is passed together with a destination address to the following layer for transmission. eleven.2 – The Need For A number of Protocols, p. 177, states roughly the identical, utilizing other analogies.
The purpose of the proposed COM-002-four Reliability Standard is to enhance communications for the issuance of Operating Directions with predefined communications protocols to scale back the possibility of miscommunication that might lead to motion or inaction harmful to the reliability of the Bulk Electrical System (BES).
Many utilities additionally must migrate over time from legacy protocols. 60 Secondly, it is common that a protocol implementation at one layer could require data, state or addressing information that is solely present at one other layer, thus defeating the purpose of separating the layers within the first place.
Often the members are in control of massive market-shares related to the protocol and in lots of instances, requirements are enforced by law or the government, as a result of they are thought to serve an necessary public curiosity, so getting approval can be very important for the protocol.
Communications protocols must be agreed upon by the parties involved. Whereas utilizing this intra system protocols, with out going to intra system protocols we will broaden the peripherals of the microcontroller. Now that we have lined the fundamentals of serial communication in embedded techniques, let’s move ahead and talk about the varied varieties of serial communication protocols.