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Advancements and Limitations of Frame Relay in Voice Communication

This paper discusses the evolution and challenges of Frame Relay technology, focusing on its standardization through organizations like the Frame Relay Forum (FRF) and the International Telecommunication Union (ITU). Key issues addressed include compression, packetization, and prioritization of data for voice communication. It highlights the ITU's H.323 standard, which significantly compresses voice traffic and integrates with newer standards such as G.729 and G.723. The paper also explains the critical processes of dividing data into packets and managing resource allocation based on priority.

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Advancements and Limitations of Frame Relay in Voice Communication

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  1. Frame Relay-What Next for it? Some limitations of Frame Relay by AmeenSikander Roll No: 06-32 Programme: BS(IT) 2007-11

  2. Moving towards standardization • Frame-Relay Forum (FRF) • International Telegraphic Union (ITU).

  3. ISSUES • Compression • Packetization • Prioritization

  4. Compression • What is Compression? • Reduction in Size • Reduction in Computer Data

  5. Compression • In February 1998, the ITU ratified an umbrella standard called H.323. • It supports VOFR (Voice Over Frame Relay).

  6. Compression • It compresses voice traffic from 64 kbps to 8kbps. • It incorporates with other new standards such as G.729 & G.723.

  7. Packetization • What is Packetization? • Division into smaller Units. • Division of data into small units called Packets.

  8. Packetization • FRF. 12 will support division of data into packets. • Smaller packets help in predicting significant delay.

  9. Prioritization • What is Prioritization? • rank things according to importance. • Reserve a resource for communication on priority basis.

  10. Prioritization • Only RSVP (Resource Reservation Protocol) supports traffic prioritization. • It is limited when compared to ATM’s Qos. • But it is dynamic i.e. it activated automatically whenever voice data are on the line.

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