ClassID:

225456

H04L12/4658 - CPC Classification

Classification description:

Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]; Interconnection of networks; Virtual LANs, VLANs, e.g. virtual private networks [VPN]; Details on frame tagging wherein a single frame includes a plurality of VLAN tags wherein a VLAN tag represents a service provider backbone VLAN, e.g. B-Tag, S-Tag

Recent Application in this class:
#1
20260143049
2026-05-21

Variable Frame Headers

#2
20230179688
2023-06-08

Variable Frame Headers

#3
20210058299
2021-02-25

Technologies for network discovery

#4
20200213155
2020-07-02

Aliasing behavior for traffic to multihomed sites in ethernet virtual private network (EVPN) networks

#5
20190305988
2019-10-03

Aliasing behavior for traffic to multihomed sites in ethernet virtual private network (EVPN) networks

#6
20170063800
2017-03-02

Dynamic virtual private network

#7
20160173340
2016-06-16

Methods, systems, and computer readable media for modeling packet technology services using a packet virtual network (PVN)

#8
20160156560
2016-06-02

Relay system and switching device

#9
20160127151
2016-05-05

Mapping PBT and PBB-TE traffic to VPLS and other services

#10
20160006613
2016-01-07

DETECTING AN ACCESS CUSTOMER EDGE DEVICE OF A PROVIDER EDGE DEVICE

#11
20150319007
2015-11-05

802.1aq support over IETF EVPN

#12
20150304127
2015-10-22

Method and apparatus for accessing shortest path bridging network in multi-homing manner

#13
20150156108
2015-06-04

Forwarding packets

#14
20150071117
2015-03-12

Methods systems and apparatuses for dynamically tagging VLANs

#15
20150040208
2015-02-05

Method for operating multi-domain provider ethernet networks

#16
20150010011
2015-01-08

802.1aq support over IETF EVPN

#17
20150003295
2015-01-01

Backbone Provider Bridging Networks

#18
20140369184
2014-12-18

General user network interface (UNI) multi-homing techniques for shortest path bridging (SPB) networks

#19
20140314089
2014-10-23

LAYER 2 ACCESS METHOD, DEVICE AND SYSTEM ON HFC NETWORK

#20
20140269732
2014-09-18

Uniting FDB lookups for encapsulated packets

#21
20140233423
2014-08-21

Provisioning single or multistage networks using ethernet service instances (ESIs)

#22
20140185615
2014-07-03

Switch fabric support for overlay network features

#23
20140161131
2014-06-12

Flexible and scalable virtual network segment pruning

#24
20140112347
2014-04-24

System and method for multiple concurrent virtual networks

#25
20140101325
2014-04-10

Dynamic virtual private network

#26
20140101324
2014-04-10

Dynamic virtual private network

#27
20140086252
2014-03-27

Implementing a shortest path bridging (SPB) network using a virtual routing and forwarding (VRF) identifier

#28
20140071989
2014-03-13

Mapping PBT and PBB-TE traffic to VPLS and other services

#29
20130329741
2013-12-12

Methods systems and apparatuses for dynamically tagging VLANs

#30
20130322453
2013-12-05

Routing VLAN tagged packets to far end addresses of virtual forwarding instances using separate administrations

#31
20130301472
2013-11-14

802.1aq support over IETF EVPN

#32
20130279511
2013-10-24

Method for operating multi-domain provider ethernet networks

#33
20130279510
2013-10-24

Architecture for routing data of a customer network over provider's network in provider backbone bridges

#34
20130272308
2013-10-17

Method and apparatus for transporting Ethernet services

#35
20130128890
2013-05-23

Selecting a link of a link group based on contents of a concealed header

#36
20130094512
2013-04-18

Interworking between ethernet and MPLS

#37
20130028141
2013-01-31

Method and apparatus for allocating backbone VLAN identifiers

#38
20120314708
2012-12-13

Method and system for preventing MAC addresses learning in a provider backbone network (PBBN)

#39
20120300785
2012-11-29

Method and device for realizing flexible QinQ

#40
20120300784
2012-11-29

Method for sending ethernet frames in ethernet tree service and provider edge device

#41
20120250505
2012-10-04

Method and system for writing to a VLAN tag

#42
20120219016
2012-08-30

Apparatus and method for pseudo wire emulation edge-to-edge access

#43
20120213103
2012-08-23

Method and network device for packet content translation

#44
20120207171
2012-08-16

Method and Apparatus for Interworking VPLS and Ethernet Networks

#45
20120147896
2012-06-14

Method of supporting an open provider backbone network

#46
20120044939
2012-02-23

Method and apparatus for transporting ethernet services

#47
20110292836
2011-12-01

Evolution of ethernet networks

#48
20110235647
2011-09-29

Communication system and control method for communication system

#49
20110188509
2011-08-04

Ethernet frame broadcast emulation

#50
20110069711
2011-03-24

Provisioning single or multistage networks using ethernet service instances (ESIs)

#51
20110038382
2011-02-17

System and method to provide multiple private networks using PBB/TE

#52
20100306415
2010-12-02

Using provider backbone bridged network to reduce the number of media access control addresses visible to core bridges in the data center

#53
20100289710
2010-11-18

VEHICLE ANTENNA SYSTEM

#54
20100226376
2010-09-09

Method and apparatus for transporting ethernet services

#55
20100220739
2010-09-02

Carrier Network Connection Device And Carrier Network

#56
20100208615
2010-08-19

Method and apparatus for provisioning a network element

#57
20100158017
2010-06-24

Method for operating multi-domain Provider Ethernet networks

#58
20100135302
2010-06-03

Apparatus and method for processing L2/L3 packet

#59
20090279552
2009-11-12

METHOD AND APPARATUS FOR DISTRIBUTING END-TO-END QINQ SERVICE TAGS AUTOMATICALLY

#60
20090196298
2009-08-06

Transportation of IEEE 802.1ah frames over multiprotocol label switching pseudowires for virtual private LAN services

#61
20090161669
2009-06-25

Evolution of ethernet networks

#62
20090141729
2009-06-04

MULTIPLEX METHOD OF VLAN SWITCHING TUNNEL AND VLAN SWITCHING SYSTEM

#63
20090097492
2009-04-16

SUPPORT OF TRIPLE PLAY SERVICES IN USER DEVICES

#64
20090041023
2009-02-12

Method and apparatus for interworking VPLS and ethernet networks

#65
20080281987
2008-11-13

FACILITATING AUTOMATIC PROTECTION SWITCHING FOR PROVIDER BACKBONE NETWORK

#66
20080212595
2008-09-04

Mapping PBT and PBB-TE traffic to VPLS and other services

#67
20080172497
2008-07-17

Method and apparatus for interworking ethernet and MPLS networks

#68
20080170583
2008-07-17

Method of supporting an open provider backbone network

#69
20080159309
2008-07-03

System and method of mapping between local and global service instance identifiers in provider networks

#70
20080019385
2008-01-24

SYSTEM AND METHOD OF MAPPING BETWEEN LOCAL AND GLOBAL SERVICE INSTANCE IDENTIFIERS IN PROVIDER NETWORKS

#71
20080013547
2008-01-17

Ethernet layer 2 protocol packet switching

#72
20070280267
2007-12-06

Completely Dry Pseudowires

#73
20070116045
2007-05-24

Method and apparatus for transporting ethernet services

#74
20070098006
2007-05-03

Multilink trunking for encapsulated traffic

#75
20070053353
2007-03-08

Method for processing subscriber packet using subscriber identification tag

#76
20060120364
2006-06-08

Method for transmitting information from a source via a first network unit and a network and a second network unit to a destination

#77
20050286541
2005-12-29

Backbone provider bridging networks

#78
20050141504
2005-06-30

Methods, systems, and computer program products for encapsulating packet traffic associated with multiple layer two technologies

#79
13171142
2015-08-04

Performing customer bandwidth profiling in computer networks