Data transmission using common sliding window

Details Data transmission using common sliding window Data transmission using common sliding window

2006-07-04

2006-07-04

Harrell, Robert B. (Department: 2142)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

Computer-to-computer data transfer regulating

Reexamination Certificate

active

07072973

ABSTRACT:
A networking protocol that supports the sending of reliable and non-reliable data in a common sliding window. Data to be transmitted according to the protocol is packaged into packets, where each packet has a header. Each packet carries a sequence number in the header, where the sequence numbers are successively assigned to each outgoing packet. As the packets are received, the recipient of the packets keeps track of the sequence numbers of received packets to determine whether any packets are missing and selectively acknowledges those packets that have been received. The selective acknowledgment is performed using a mask, where each bit in the mask indicates the presence or absence of a packet as an offset from a reference value. Based on the mask, the sender re-sends non-received reliable packets, and creates a second mask which indicates non-reliable non-received packets that will not be re-sent.

REFERENCES:
patent: 5307351 (1994-04-01), Webster
Ke, Jun et al., “Towards a Rate-Based TCP Protocol for the Web,”Proceedings 8thInternational Symposium on Modeling, Analysis and Simulation of Computer and Telecommunications Systems(Cat. No. PR00728), 2000, 36-45.
Jouaber, B. et al., “Modeling the Sliding Window Mechanism,”ICC '98. 1998 IEEE International Conference on Communications, 1998, 3(3), 1749-1753.
Kumar, Sanjeev et al., “The Sliding-Window Approach to High Performance ATM Switching for Broadband Networks,”IEEE Gobecom 1996. Communications: The Key to Global Prosperity, 1996, 771-777.
Rizzo, L., “pgmcc: a TCP-friendly single-rate multicast congestion control scheme,”Computer Communication Review, 2000, 30(4), 17-28.

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