EP1445895A3

Bandwith management of resilient packet ring network

Abstract

Techniques for bandwidth management and flow control on a resilient packet ring (RPR) network is described. The RPR requires allocation and guarantee of a bandwidth for each channel between two nodes on the ring. The bandwidth is managed by shaping traffic on a channel at the source by using a bandwidth allocation factor calculated at each node. The bandwidth allocation factor, which is communicated to other nodes, is calculated by using a recursive nonlinear function of the transit buffer size.

EP1445895A3, drawing sheet 1 — Sheet 1 of 1

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Citations
Document	Relation	Office	Category	Cited during	Relevant claims
US6385168B1	Cites	United States of America	XD	Search report	1,12
JIM KAO, CISCO SYSTEMS INC.: "PROPOSED DRAFT STANDARD FOR INFORMATION TECHNOLOGY-TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS-LOCAL AND METROPOLITAN AREA NETWORKS-SPECIFIC REQUIREMENTS-PART 17: RESILIENT PACKET RING ACCESS METHOD AND PHYSICAL LAYER SPECIFICATIONS", P802.17/D1.0, IEEE, PISCATAWAY, NJ, US, 29 January 2002 (2002-01-29), http://grouper.ieee.org/groups/802/17/documents/drafts/Darwin_v1_0.pdf, pages 1 - 198, XP000863866	Non-patent	–	–	Search report	–
SHU-HUNG LEUNG: "A REALIZATION OF NARROW-BAND RECURSIVE DIGITAL LOW-PASS FILTER USING HIGHLY QUANTIZED COEFFICIENTS", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS, IEEE INC. NEW YORK, US, vol. 36, no. 4, 1 April 1989 (1989-04-01), pages 618 - 622, XP000034090	Non-patent	–	–	Search report	–

7 members in 3 offices

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Priority claims
Document	Office	Kind	Date
316929	United States of America	–	2002-12-12
31692902	United States of America	A	2002-12-12

Members7

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Document	Office	Kind
US2004114520A1	United States of America	A1	2004-06-17
EP1445895A2	European Patent Office (EPO)	A2	2004-08-11
JP2004289799A	Japan	A	2004-10-14
US7369504B2	United States of America	B2	2008-05-06
EP1445895A3This record	European Patent Office (EPO)	A3	2009-01-28
JP4426835B2	Japan	B2	2010-03-03
EP1445895B1	European Patent Office (EPO)	B1	2011-09-14

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2016-11-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2016-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2016-10-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2016-09-30	Notification of lapseLapsedST	ST	FR
2016-08-24	Gb: european patent ceased through non-payment of renewal feeCeasedGBPC	GBPC	EP
2016-07-01	Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119	R119	DE
2015-02-27	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2015-01-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2015-01-30	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2014-11-28	Lien (pledge) cancelledRG	RG	FR
2013-11-22	Lien (pledge) constitutedGC	GC	FR
2013-04-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2012-10-11	No opposition filed against granted patent, or epo opposition proceedings concluded without decisionGrantedR097	R097	DE
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2012-05-31	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2012-02-22	Party data changed (patent owner data changed or rights of a patent transferred)RAP2	RAP2	EP
2011-12-01	Dpma publication of mentioned ep patent grantGrantedR096	R096	DE
2011-09-14	Designated contracting statesAK	AK	EP
2011-09-14	European patent grantedGrantedFG4D	FG4D	GB
2011-08-12	(expected) grantORIGINAL CODE: 0009210GRAA	GRAA	EP
2011-08-01	Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS	GRAS	EP
2011-03-11	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP	GRAP	EP
2009-09-30	Designation fees paidAKX	AKX	EP
2009-09-16	First examination report despatched17Q	17Q	EP
2009-09-02	Request for examination filed17P	17P	EP
2009-01-28	Designated contracting statesAK	AK	EP
2009-01-28	Request for extension of the european patentAX	AX	EP
2008-12-26	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL	EP
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2004-06-25	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI	EP

Bandwith management of resilient packet ring network

Abstract

Term

Priority claims2

Members7

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