Patent · US Expired

Order preserving transmission of data streams

US5430710A · kind A · utility

20Cited by

5References

8Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Lothar Mueller · Ottendorf, DE
Rainer Oechsle · Trier, DE
Hong Linh Truong · Richterswil, CH

Key dates

Filing date	Aug 14, 1992
Grant date	Jul 4, 1995
Priority date	—
Expiry date	Aug 14, 2012

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02D30/50
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Described are methods which preserve the order of the data frames within a data stream if the data stream is switched from one link to another. The first method achieves the order preservation by numbered switch frames that have to be exchanged between the nodes before the link switching is actually performed. In the second method, the switching is only prepared by exchanging special frames which indicate "clean" links. Actual switching takes place by just using an already prepared, i.e., "clean" link.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.