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Advanced Data Communication Control Procedures - Wikipedia, the free encyclopedia (110 words) |
 | In telecommunication, Advanced Data Communication Control Procedures (or Protocol) (ADCCP) is a bit-oriented data link layer protocol used to provide point-to-point and point-to-multipoint transmission of data frames that contain error control information. |
| Note: ADCCP closely resembles High level data link control (HDLC) and synchronous data link control (SDLC). |
| ADCCP has 3 main modes - NRM (Normal Response mode akin to SDLC), ABM (Asyncronous Balanced mode - akin to HDLC) and ARM (Asynchronous Response mode) |
| X.25 - LAPB | MLP | HDLC | Terminology (3377 words) |
| In particular, the logical functions and protocols of secondary stations and combined stations are specified identically with respect to the action taken and the response frames. |
| ADCCP is used on multipoint lines and it can support as many as 256 terminal control units or secondary stations per line. |
| ADCCP supports an extended window size (modulo 128) where the number of possible outstanding frames for acknowledgement is raised from 8 to 128. |
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