(19)

(11)

EP 0 724 795 A1

(12)

(43) Date of publication: 07.08.1996 Bulletin 1996/32 (21) Application number: 94929738.0 (22) Date of filing: 29.08.1994

(51) International Patent Classification (IPC):  G06F 13/ 00( . ) H04L 12/ 56( . ) H04L 12/ 24( . ) (86) International application number: PCT/US1994/009690 (87) International publication number: WO 1995/006989 (09.03.1995 Gazette 1995/11)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 01.09.1993 US 19930115232 (71) Applicant: CABLETRON SYSTEMS, INC. Rochester, NH 03867 (US)	(72) Inventors: ORR, Timothy, L. Gonic, NH 03839 (US) GRAY, Eric, W. Manchester, NH 03103 (US) (74) Representative: Morgan, James G., et al  Robert-Koch-Strasse 1 D-80538 München D-80538 München (DE)