EP1514448A2 - Procede, configuration et dispositif de communication pour transmettre des informations - Google Patents

Procede, configuration et dispositif de communication pour transmettre des informations

Info

Publication number
EP1514448A2
EP1514448A2 EP03759830A EP03759830A EP1514448A2 EP 1514448 A2 EP1514448 A2 EP 1514448A2 EP 03759830 A EP03759830 A EP 03759830A EP 03759830 A EP03759830 A EP 03759830A EP 1514448 A2 EP1514448 A2 EP 1514448A2
Authority
EP
European Patent Office
Prior art keywords
information
cell
communication network
data
time slot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03759830A
Other languages
German (de)
English (en)
Inventor
Norbert Boll
Thomas Gemmer
Georg Hein
Reiner Kolsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Solutions and Networks GmbH and Co KG
Original Assignee
Siemens AG
Nokia Siemens Networks GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Nokia Siemens Networks GmbH and Co KG filed Critical Siemens AG
Publication of EP1514448A2 publication Critical patent/EP1514448A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H04L12/2856—Access arrangements, e.g. Internet access
    • H04L12/2869—Operational details of access network equipments
    • H04L12/2878—Access multiplexer, e.g. DSLAM
    • H04L12/2879—Access multiplexer, e.g. DSLAM characterised by the network type on the uplink side, i.e. towards the service provider network
    • H04L12/2883—ATM DSLAM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H04L12/2856—Access arrangements, e.g. Internet access
    • H04L12/2869—Operational details of access network equipments
    • H04L12/2878—Access multiplexer, e.g. DSLAM
    • H04L12/2892—Access multiplexer, e.g. DSLAM characterised by the access multiplexer architecture
    • H04L12/2896—Distributed processing, e.g. on line cards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5603—Access techniques
    • H04L2012/5609—Topology
    • H04L2012/561—Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5652—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly
    • H04L2012/5653—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly using the ATM adaptation layer [AAL]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5652—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly
    • H04L2012/566—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly using the ATM layer
    • H04L2012/5662—Macrocells or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5665—Interaction of ATM with other protocols

Definitions

  • broadband subscriber access networks also known as access networks - large numbers of subscribers should have inexpensive access to broadband services - e.g. Video-on-demand - to be ensured.
  • One way of optimization is to distribute the facilities and resources (e.g. bandwidth and processing speed) provided by the subscriber access networks to as many subscriber lines as possible.
  • Another option for cost optimization is to arrange the intelligent functions required for current data services largely centrally in the subscriber access network, so that, for example, the subscriber line modules arranged in the communication network or in the respective network devices have to be equipped with as little functionality as possible.
  • the technological and economic outlay for realizing network devices which can be arranged in current communication networks can be reduced by using technologies which have not been developed specifically for broadband subscriber access networks but for mass markets (eg personal computers).
  • An example of such a widespread and correspondingly further developed technology is the “Ethernet *” standardized according to the IEEE 802.3 standard, which provides a frame- or packet-oriented and connectionless transmission method.
  • network devices that can be arranged in current communication networks, such as, for example, multiplexer devices (for example DSLAM, digital subscriber line access multiplexer), it is known, for example, according to the asynchronous transfer mode - ATM - configured data cells - also referred to as ATM cells - via an Ethernet located locally in the network device to convey subscriber line modules arranged in the network device and at least one central unit or module having the central functions.
  • the Ethernet can be used both as "wiring * or" backplane ⁇ in a subrack for bridging short distances as well as a nationwide communication network for bridging larger distances.
  • the invention is therefore based on the object of improving the transmission of ATM cells via a packet- or time slot-oriented communication network and, in particular, of creating a subscriber access network in which ATMs which have different AAL types and in some cases are associated with different ATM connections.
  • Cells can be transmitted using a packet- or time slot-oriented transmission technology, in particular using Ethernet transmission technology.
  • the object is achieved on the basis of a method according to the preamble of claims 1 and 2 by the characterizing features thereof.
  • the problem is solved on the basis of a communication arrangement according to the preamble of patent claims 11 and 12 and on the basis of a communication device according to the preamble of patent claims 18 and 19 by the characterizing features in each case.
  • the information to be transmitted is inserted as useful information in a useful data field of at least one data packet of a packet-oriented communication network. Furthermore, target information is inserted into the at least one data packet.
  • the essential aspect of the method according to the invention is that additional information for routing is assigned to the information to be transmitted before insertion into the useful data field of the at least one data packet.
  • the at least one data packet and the information inserted therein together with the respectively assigned routing information are transmitted to at least one destination represented by the destination information of the data packet in the packet-oriented communication network.
  • the information transmitted to the at least one target is depending on the assigned routing information.
  • the information to be transmitted is inserted as useful information in at least one time slot of a time slot-oriented communication network.
  • the essential aspect of the method according to the invention is that the information to be transmitted before
  • each additional routing information for forwarding are assigned.
  • the at least one time slot and the information inserted therein, together with the respectively assigned routing information, are sent to at least one destination in time.
  • L5 slot-oriented communication network transmitted.
  • the information transmitted to the at least one destination is relayed as a function of the respectively assigned routing information.
  • the main advantage of the method according to the invention is that the disadvantages mentioned at the outset of the method resulting from the FATE standard are avoided.
  • the information to be transmitted is transmitted transparently via the 5 packet- or time slot-oriented communication network, so that the technical and economic outlay for preprocessing the information to be transmitted can be saved.
  • Information transmitted by means of transparent transmission over different connections, but via the same destination in the packet-oriented communication network, can advantageously be inserted into one or more data packets or time slots of the packet- or time slot-oriented communication network.
  • the method according to the invention is not specific
  • Connection type - such as restricted to AAL type 5 ATM connections.
  • the information transmitted to the destination in the packet or time slot-oriented communication network is reproduced as a function of the routing information and the reproduced information is subsequently passed on.
  • This advantageous embodiment enables the almost simultaneous or parallel forwarding which enables information transmitted to the destination to, for example, several subscribers - implementation of multicast or broadcast connections in the direction of the subscriber.
  • the packet-oriented communication network is advantageously designed in accordance with the IEEE 802.3 standard - claim 9.
  • Such communication networks based on Ethernet technology are designed for the mass market in the area of local networks - LAN - and are therefore cost-optimized.
  • communication networks arranged locally in a network or communication device can thus be used as inexpensive wiring of, for example, assemblies - “backplane”.
  • FIG. 1 shows an application scenario arranged in a subscriber access network in which the method according to the invention is used
  • FIG. 3 shows an ATM cell expanded in accordance with the method according to the invention with additionally assigned routing information
  • FIG. 4 shows an Ethernet frame formed according to the method according to the invention with expanded ATM cells inserted therein.
  • FIG. 1 shows a communication device or multiplexer device DSLAM arranged in a subscriber access network or access network ACCESS configured according to the asynchronous transfer mode ATM, to which via several connection units AE1 ... Z and via several subscriber connection lines TLN1 ... N or TLN1 ... K the respective participants - not shown - are connected.
  • a packet-oriented communication network EN Arranged in the DSLAM communication device is a packet-oriented communication network EN, which is designed in accordance with the IEEE standard 802.3 and is also referred to below as “Ethernet *”, via which the respective connection units AE1... Z are internally connected to one another.
  • the Ethernet EN another is central to the Communication device DSLAM arranged unit PACK connected. Both the connection units AE1 ... Z and the central unit PACK are each assigned an Ethernet MAC address macl ... x ... z (MAC, Medium Access Control) that uniquely identifies them within the Ethernet EN.
  • the central unit PACK is connected to a first input EDI of the communication device DSLAM via a first input EP1 and via a unit SAR for performing segmentation and reassembly functions.
  • a first higher-level communication network KN1 for example also configured in accordance with the IEEE standard 802.3, is connected to this first input EDI.
  • the central unit PACK arranged in the DSLAM communication device has a second input EP2, which is connected to a second input ED2 provided in the DSLAM communication device.
  • a further higher-level communication network KN2 configured according to the asynchronous transfer mode ATM is connected to this second input ED2.
  • the subscribers connected to the DSLAM communication device are connected to the two higher-level communication networks KN1.2 via the respective connection units AE1 ... Z, via the Ethernet EN and via the central unit PACK.
  • Control means CONT for carrying out the method according to the invention are provided in the respective connection unit AE1 ... Z and the central unit PACK.
  • the ATM cells cell (vcl) formed are forwarded to the first input EP1 of the central unit PACK.
  • the information or ATM cells cell (vc2) transmitted from the second communication network KN2 are transmitted directly to the second input EP2 of the central unit PACK via the second input ED2 of the communication device DSLAM
  • any data or information streams from differently configured communication networks are brought to the DSLAM communication device and - after a possible preprocessing by the SAR unit - can be relayed as part of the method according to the invention.
  • the method according to the invention is described in more detail below.
  • the method according to the invention is based on the frame-based ATM over Ethernet standard (FATE) of the ATM forum cited at the beginning. In contrast to the method described in this standard, however, complete, i.e. transmit an ATM cell with a target and user data field with 53 bytes of data, which can be assigned to different virtual connections - here vcl, 2. Furthermore, the method according to the invention is not limited to AAL type 5. According to the invention, the ATM cells arriving at the DSLAM communication device or at the inputs EP1.2 of the central unit PACK and to be relayed to the subscribers connected to the DSLAM communication device are inserted into the user data field or payload field by the control or insertion means CONT Ethernet frame of the Ethernet EN arranged in the communication device DSLAM inserted.
  • FATE frame-based ATM over Ethernet standard
  • An Ethernet frame can contain 1 to n data or ATM cells, the number of inserted ATM cells being limited only by the maximum possible length of an Ethernet frame according to the standard.
  • the normal length of an Ethernet frame is set to 1536 bytes. However, this length can be extended in certain applications.
  • each of the ATM cells cell brought up to the two inputs EP1, 2 of the central device PACK is an additional information field zf for inserting additional ones for the relaying of the ATM cells outside as part of the method according to the invention of the Ethernet required Routing information ri added.
  • 2 shows the format of an ATM cell ecell which has been expanded in this way.
  • the routing information ri that can be inserted in the additional information field zf means that a specific subscriber line TLNl ... n, TLNl ... k connected to one of the connection units AE1 ...
  • the routing information ri in this exemplary embodiment having a data length of 8 bits.
  • information n representing the number of ATM cells or expanded ATM cells ecell inserted in the respective frame dp is additionally entered in the useful data field nf of each Ethernet frame dp.
  • ether type * a new type identification - hereinafter also referred to as “ether type *” - is introduced.
  • the introduction of this new "ether type” ensures that the Ethernet frames transmitted via the Ethernet EN are processed correctly.
  • Ethernet standard IEEE 802.3 defines two different frame formats, the respective frame format being determined by the value of the first two octets following the address fields or address information DA, SA (see FIG. 3).
  • ⁇ DA the destination MAC address (6 octets of data)
  • ⁇ data the payload of the Ethernet frame consisting of:
  • FCS the "frame-sequence-check * (4 octet data volume).
  • ⁇ DA The destination MAC address (6 octet data volume)
  • ⁇ length the length of the subsequent data field (2 octets
  • this header identifies the following user data field nf (5 octet data volume, including the "Ethertype * field”)
  • ⁇ data the payload of the Ethernet frame dp consisting of:
  • FCS the "frame-sequence-check * (4 octet data volume)
  • the data frames dp shown in FIG. 3 and used in the context of the method according to the invention are identified accordingly by the “ether type * field.
  • This marking indicates to the processing routines or control units CONT arranged in the Ethernet EN that at least one ATM cell cell is contained in the user data field nf of the Ethernet frame dp transmitted to the destination, which transmits correspondingly according to the routing information ri arranged in the additional information field zf must become.
  • the two virtual connections vcl, 2 are made via subscriber lines TLNl ... n, which are connected to the same connection unit - here AE1.
  • An additional information field zf is added to each of the inserted ATM cells cell (vcl), cell (vc2).
  • This additional information field zf addresses the respective subscriber line via which the respective ATM cell cell (vcl), cell (vc2) is to be transmitted.
  • FIG. 4 shows, by way of example, the Ethernet frame dp formed in accordance with the previous explanations, with ATM cells cell (vcl), cell (vc2) inserted into the useful data field nf and associated with the two virtual connections vcl, 2.
  • an expanded ATM cell ecell (vcl) assigned to the first virtual connection and an expanded ATM cell ecell (vc2) assigned to the second virtual connection are inserted into the useful data field nf of the Ethernet frame dp.
  • any number of far Erten ATM cells which can be assigned by virtu ⁇ economic compounds of any number, are in the user data ⁇ frame nf inserted - illustrated in FIG 4 by a dotted line - one being the number of inserted ATM cells or pasted expanded ATM Information n representing cells is inserted into the user data field nf of the Ethernet frame.
  • the number n of the frames in the Ethernet payload fields nf each of dp inserted ATM cells or pasted expanded ATM cells different.
  • the ATM cells cell (vcl) assigned to the first virtual connection vcl are forwarded to or via an output A of the DSLAM communication device and to or via the correspondingly addressed first subscriber line TLN1.
  • the respective additional information field zf is not removed before the ATM cells transmitted to the respective destination AE1 ... Z are forwarded becomes. This is for example in a cascade to ⁇ arrangement or configuration of destination port units of the case - not shown.
  • the expanded ATM cells are forwarded together with the respective additional information field in a first step, for example to a further module assigned to the connection unit.
  • the additional routing information of the transmitted, expanded ATM cells is evaluated again and then - after removing the additional information fields zf - the ATM cells are relayed in the manner described.
  • the ATM cells cell (vc2) assigned to the second virtual connection vc2 are forwarded to or via an output A of the communication device DSLAM and to or via the correspondingly addressed nth subscriber line TLNn.
  • the subsequent forwarding of the ATM cells cell (vcl), cell (vc2) to or via the subscriber access network ACCESS in the direction of the subscriber takes place in accordance with the ATM transmission method, i.e. depending on the VPI and VCI values (Virtual Path Identifier and Virtual Circuit Identifier) contained in the target information of the individual ATM cells.
  • additional information for further transmission as routing information ri are insertable.
  • an additional ATM service class assigned to the respective virtual connection or ATM connection - for example VBR, ABR, UBR - Identifying information and / or QoS information
  • the respective ATM cell is then NEN according to these additional Informatio ⁇ example, a particular class of service to a particular type arranged in the target connection unit queue and then relayed in the manner described above a certain subscriber line.
  • connection units AE1 ... Z can be connected to the internal Ethernet EN, via which only conventional data frames dp formed in accordance with the IEEE 802.3 standard - i.e. normal ethernet
  • Data traffic - to be forwarded to the Ethernet EN are conveyed together with the data frames or data packets dp formed in the context of the method according to the invention in accordance with standardized Ethernet transmission technology via the Ethernet EN.
  • cell (vc2) transmitted via the established connections vcl, vc2 further information can advantageously be provided in a cost-effective manner between the components arranged in the DSLAM communication device and connected to the Ethernet EN - e.g. Connection units AE1 ... Z, central units PACK - can be exchanged using the method according to the invention - e.g. Control and configuration information.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Des informations (cellule) à transmettre au moins partiellement par un réseau de communication à commutation par paquets, par ex. Ethernet (IEEE 802.3)- (EN), ou par un réseau de communication orienté cellules, sont insérées en tant que données utiles (données) dans un champ (nf) de données utiles d'au moins un paquet de données (dp) du réseau de communication (EN), ce paquet contenant des informations cibles et des données utiles (DA, données), ou bien dans un créneau temporel du réseau de communication orienté créneaux temporels. Selon l'invention, des informations de routage (ri) supplémentaires concernant leur transmission sont adjointes à ces informations avant leur introduction dans un paquet de données (dp) ou dans un créneau temporel, les informations (cellule) envoyées avec le paquet de données (dp) ou le créneau temporel à une cible du réseau de communication orienté paquets ou cellules étant transmises en fonction des informations de routage attribuées. Les informations à transmettre cellule(vc1), cellule(vc2) transparente peuvent être transmises à moindres frais via différentes liaisons dans un réseau de communication (EN) à commutation par paquets.
EP03759830A 2002-06-14 2003-06-04 Procede, configuration et dispositif de communication pour transmettre des informations Withdrawn EP1514448A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10226637A DE10226637A1 (de) 2002-06-14 2002-06-14 Verfahren, Kommunikationsanordnung und Kommunikationseinrichtung zum Übermitteln von Informationen
DE10226637 2002-06-14
PCT/DE2003/001869 WO2003107598A2 (fr) 2002-06-14 2003-06-04 Procede, configuration et dispositif de communication pour transmettre des informations

Publications (1)

Publication Number Publication Date
EP1514448A2 true EP1514448A2 (fr) 2005-03-16

Family

ID=29723172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03759830A Withdrawn EP1514448A2 (fr) 2002-06-14 2003-06-04 Procede, configuration et dispositif de communication pour transmettre des informations

Country Status (5)

Country Link
US (2) US20050254487A1 (fr)
EP (1) EP1514448A2 (fr)
CN (1) CN1663318A (fr)
DE (1) DE10226637A1 (fr)
WO (1) WO2003107598A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10226637A1 (de) * 2002-06-14 2004-01-15 Siemens Ag Verfahren, Kommunikationsanordnung und Kommunikationseinrichtung zum Übermitteln von Informationen
US7107382B2 (en) * 2003-04-03 2006-09-12 Emulex Design & Manufacturing Corporation Virtual peripheral component interconnect multiple-function device
CN100344126C (zh) * 2004-02-25 2007-10-17 华为技术有限公司 一种宽带接入的组网设备及方法
US20060215689A1 (en) * 2005-03-24 2006-09-28 Alcatel System-level communication link bonding apparatus and methods
US8040899B2 (en) * 2005-05-26 2011-10-18 Genband Us Llc Methods, systems, and computer program products for implementing automatic protection switching for media packets transmitted over an ethernet switching fabric
US7940772B2 (en) * 2005-05-26 2011-05-10 Genband Us Llc Methods, systems, and computer program products for transporting ATM cells in a device having an ethernet switching fabric
US11070395B2 (en) * 2015-12-09 2021-07-20 Nokia Of America Corporation Customer premises LAN expansion

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4304120A1 (fr) * 1992-09-14 1993-07-15 Siemens Ag

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9408574D0 (en) * 1994-04-29 1994-06-22 Newbridge Networks Corp Atm switching system
US5946313A (en) * 1997-03-20 1999-08-31 Northern Telecom Limited Mechanism for multiplexing ATM AAL5 virtual circuits over ethernet
US6160811A (en) * 1997-09-12 2000-12-12 Gte Internetworking Incorporated Data packet router
US6122274A (en) * 1997-11-16 2000-09-19 Sanjeev Kumar ATM switching system with decentralized pipeline control and plural memory modules for very high capacity data switching
US6493348B1 (en) * 1997-12-05 2002-12-10 Telcordia Technologies, Inc. XDSL-based internet access router
DE19833931C2 (de) * 1998-07-28 2000-06-15 Siemens Ag Verfahren zum Übermitteln von Datenpaketen an mehrere Empfänger in einem heterogenen Kommunikationsnetz
US6758398B1 (en) * 1998-09-11 2004-07-06 L.V. Partners, L.P. Optical reader with ultraviolet wavelength capability
US6515963B1 (en) * 1999-01-27 2003-02-04 Cisco Technology, Inc. Per-flow dynamic buffer management
US6496477B1 (en) * 1999-07-09 2002-12-17 Texas Instruments Incorporated Processes, articles, and packets for network path diversity in media over packet applications
US6404861B1 (en) * 1999-10-25 2002-06-11 E-Cell Technologies DSL modem with management capability
US6996067B1 (en) * 1999-12-07 2006-02-07 Verizon Services Corp. Apparatus for and method of providing and measuring data throughput to and from a packet data network
US6728261B1 (en) * 2000-02-07 2004-04-27 Axerra Networks, Ltd. ATM over IP
FR2806575B1 (fr) * 2000-03-16 2002-05-10 Sagem Concentrateur de lignes d'usager pour liaison atm
JP3485176B2 (ja) * 2000-08-23 2004-01-13 日本電気株式会社 プロトコル終端装置
DE10050608B4 (de) * 2000-10-12 2007-02-22 Siemens Ag Verfahren und Anordnung zur Sprachübertragung über ein IP-Netz oder Lokales Netz vom Ethernet-Typ
US7068654B1 (en) * 2001-04-18 2006-06-27 3Com Corporation System and method for providing masquerading using a multiprotocol label switching
US6760318B1 (en) * 2002-01-11 2004-07-06 Airflow Networks Receiver diversity in a communication system
WO2003075499A1 (fr) * 2002-03-01 2003-09-12 Infineon Technologies Ag Module de port atm avec une interface de commutation ethernet integree
US20030227913A1 (en) * 2002-06-05 2003-12-11 Litchfield Communications, Inc. Adaptive timing recovery of synchronous transport signals
DE10226637A1 (de) * 2002-06-14 2004-01-15 Siemens Ag Verfahren, Kommunikationsanordnung und Kommunikationseinrichtung zum Übermitteln von Informationen
US7313154B2 (en) * 2002-06-28 2007-12-25 Harris Corporation TDD frame format

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4304120A1 (fr) * 1992-09-14 1993-07-15 Siemens Ag

Also Published As

Publication number Publication date
WO2003107598A3 (fr) 2004-02-19
US20050254487A1 (en) 2005-11-17
US20060023736A1 (en) 2006-02-02
WO2003107598A2 (fr) 2003-12-24
CN1663318A (zh) 2005-08-31
DE10226637A1 (de) 2004-01-15

Similar Documents

Publication Publication Date Title
DE69825882T2 (de) Mechanismus zum multiplexen von atm aal5 virtuellen verbindungen über ein ethernet
EP0836778B1 (fr) Procede pour la determination d'une adresse atm cible
DE102005054915B4 (de) Verfahren und System zum Filtern von Daten von einer elektronischen Schnittstelle
EP1525723B1 (fr) Procédé, ensemble de communication et dispositif de communication permettant de transmettre des cellules de données par l'intermédiaire d'un réseau de communication orienté paquets
EP0836790B1 (fr) Procede pour la transmission de paquets de donnees entre lans emules
EP1514448A2 (fr) Procede, configuration et dispositif de communication pour transmettre des informations
DE19715799C2 (de) Lokales Netzwerk mit Umsetzmitteln
EP0962119B1 (fr) Systeme de communication mta pour permettre l'echange de paquets de donnees de l'internet
DE60032888T2 (de) Teilsystem eines Telekommunikationsträger-Prozessors mit Inband-Steuerung und Adressierung via Zelle-Kopffelder
DE60214628T2 (de) Schalteinheit eines Paketübertragungsnetzwerk
DE4213458A1 (de) Telekommunikationsvermittlung
EP0954947B1 (fr) Procede pour la realisation de structures emulees de reseau boucle dans un reseau de telecommunications con u selon le mode de transfert asynchrone (mta)
EP1135958B1 (fr) Procede de configuration d'une unite de terminaison de reseau
EP0889669B1 (fr) Système de communication avec un canal spécial
DE10242321B4 (de) ATM-Anschlussmodul mit integrierter Ethernet-Vermittlungsschnittstelle
WO2000032005A1 (fr) Procede pour faire concorder des informations de priorite de pertes de paquets
EP1061696B1 (fr) Dispositif de commutation ATM avec un réseau de commutation
DE69817391T2 (de) Verfahren zur ip-rahmenübertragungs umleitung in atm-netzen mit verteilter architektur
DE19937244B4 (de) Verfahren zum Bestimmen von Zellenverlustprioritätsinformationen
EP1011289A1 (fr) Méthode pour la transmission des données sur un réseau de communication par paquets
DE69933397T2 (de) Verfahren und vorrichtung zur durchführung einer paket-synchronen umschaltung
EP1157587B1 (fr) Procede de transmission de donnees par l'intermediaire d'un reseau de communication oriente paquets
DE10345341B4 (de) Verfahren, Kommunikationsanordnung und Kommunikationseinrichtung zum Übermitteln von paketorientierten Informationen
WO1999005883A1 (fr) Procede et unite de commutation pour la transmission de donnees selon le protocole mta et le protocole internet
DE19845076A1 (de) Verfahren zum Übermitteln von paketorientierten Informationen über eine zeitmultiplexorientierte Funkstrecke

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20041110

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

17Q First examination report despatched

Effective date: 20050623

RBV Designated contracting states (corrected)

Designated state(s): DE ES FR GB IT

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NOKIA SIEMENS NETWORKS GMBH & CO. KG

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NOKIA SIEMENS NETWORKS S.P.A.

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NOKIA SIEMENS NETWORKS GMBH & CO. KG

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20080819