FRF.12
 | It has been suggested that this article be merged into Frame Relay. (Discuss) Proposed since June 2016. |
The FRF.12 specification describes the method of fragmenting Frame Relay frames into smaller frames.[1][2][3][4][5]
Background
When multiplexing packet data from different virtual circuits or flows, Quality of Service concerns often arise. This is because a frame from one virtual circuit may occupy the line for a long enough period of time to disrupt a service guarantee given to another virtual circuit.
Fragmentation
IP fragmentation is a well-known method for addressing this. An incoming long packet is broken up into a sequence of shorter packets and enough information is added to reassemble that long frame at the far end.
FRF.12
FRF.12 is a specification from the Frame Relay Forum that specifies how to perform fragmentation on Frame Relay traffic in several different scenarios.
References
- ↑ "Frame Relay Fragmentation for Voice". Cisco. Retrieved 17 June 2016.
- ↑ "How to use FRF.12 to improve voice quality on Frame Relay networks | Other Collaboration, Voice, and Video Subjects | Cisco Support Community | 5791 | 11956". supportforums.cisco.com.
- ↑ "VoIP over Frame Relay with Quality of Service (Fragmentation, Traffic Shaping, LLQ / IP RTP Priority)". Cisco. Retrieved 17 June 2016.
- ↑ Malis, Andrew G. "Frame Relay Fragmentation Implementation Agreement FRF.12" (PDF). www.broadband-forum.org. Archived from the original (PDF) on 9 October 2022. Retrieved 17 June 2016.
- ↑ "FRF.12 Frame Relay Fragmentation section in Frame Relay". www.rhyshaden.com. Retrieved 17 June 2016.
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