Method and system for transport of frame relay traffic over...

Details Method and system for transport of frame relay traffic over... Method and system for transport of frame relay traffic over...

2005-02-22

2005-02-22

Patel, Ajit (Department: 2664)

Multiplex communications

Communication over free space

Repeater

C370S394000, C370S474000, C370S477000

Reexamination Certificate

active

06859442

ABSTRACT:
To efficiently transmit frame relay packets between terrestrial frame relay networks (10, 12) over a satellite/wireless network (14), the packets are processed by frame relay processors (16, 18) at both ends of the satellite/wireless network (14). Variable length frame relay packets are segmented into smaller packets called spackets. The system utilizes priority queueing and a scheduler (24) transmits the spackets over the satellite/wireless link. To enhance the quality of the satellite/wireless link, each frame contains a variable number of Reed-Solomon (RS) check bytes used for error correction. Further, several frames are interleaved before transmission over the satellite/wireless link to spread the effect of burst errors over several frames. Additionally, a header compression technique saves bandwidth by compressing a Virtual Circuit (VC) identifier of the frame relay packet into a smaller value and maps the VCs to a value as specified by the size of the compressed VC field.

REFERENCES:
patent: 5438565 (1995-08-01), Hemmady et al.
patent: 5781561 (1998-07-01), Machida et al.
patent: 6034950 (2000-03-01), Sauer et al.
patent: 6172972 (2001-01-01), Birdwell et al.
patent: 6434137 (2002-08-01), Anderson et al.

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