WO2001030111A2 - Verfahren und anordnung für den anschluss eines zugangsnetzes an eine vermittlungseinrichtung - Google Patents
Verfahren und anordnung für den anschluss eines zugangsnetzes an eine vermittlungseinrichtung Download PDFInfo
- Publication number
- WO2001030111A2 WO2001030111A2 PCT/DE2000/003679 DE0003679W WO0130111A2 WO 2001030111 A2 WO2001030111 A2 WO 2001030111A2 DE 0003679 W DE0003679 W DE 0003679W WO 0130111 A2 WO0130111 A2 WO 0130111A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- protocol
- iad
- iat
- interface
- connection device
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0478—Provisions for broadband connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0435—Details
- H04Q11/0457—Connection protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
-
- 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
- H04L2012/5614—User Network Interface
- H04L2012/5615—Network termination, e.g. NT1, NT2, PBX
-
- 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
- H04L2012/5629—Admission control
- H04L2012/563—Signalling, e.g. protocols, reference model
-
- 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]
- H04L2012/5656—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly using the ATM adaptation layer [AAL] using the AAL2
-
- 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
- H04L2012/5663—Support of N-ISDN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13034—A/D conversion, code compression/expansion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/1305—Software aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13056—Routines, finite state machines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13104—Central control, computer control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13166—Fault prevention
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13176—Common channel signaling, CCS7
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13199—Modem, modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13209—ISDN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/1329—Asynchronous transfer mode, ATM
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13298—Local loop systems, access network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/1334—Configuration within the switch
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13383—Hierarchy of switches, main and subexchange, e.g. satellite exchange
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13386—Line concentrator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13389—LAN, internet
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13396—Signaling in general, in-band signalling
Definitions
- an access network is regarded as a unit which is not further subdivided, in which several subscribers with an analog PSTN (Public Switched Telephone Network) or a digital ISDN (Integrated Services Digital Network) End devices - also referred to in the specialist literature as UT (User Terminal) or CTE (Customer Telephony Equipment) - can be summarized.
- PSTN Public Switched Telephone Network
- ISDN Integrated Services Digital Network
- UT User Terminal
- CTE Customer Telephony Equipment
- V5.2 interface - International ITU standard G.965, "V-INTERFACES AT THE
- DIGITAL LOCAL EXCHANGE (LE): V5.2 INTERFACE (BASED ON 2048 kbit / s) FOR THE SUPPORT OF ACCESS NETWORK (AN) ", 03/95 - Regional ETSI standard ETN 300 347-1: "V5.2 interface for the support of Access Network (AN) Part 1: V5.2 interface specification", 09/94 - amended by "Amendment AI", 05/97
- the protocol The sum of all status information, messages and procedures that are required to control the transmission processes via the interface is referred to here as the protocol.
- Several protocols are usually used to control the transmission processes via the V5 interface. Depending on the point of view, one speaks of either a protocol that has several partial protocols or a protocol set that has several protocols.
- connection device IAD Integrated Access Device
- transition device IAT Integrated Access Terminal
- connection device IAD Integrated Access Device
- transition device IAT Integrated Access Terminal
- the connection device is also referred to as NT (Network Termination) or as CP-IWF (Customer Premises Interworking Function) and the transition device as CO-IWF (Central Office Interworking Function).
- NT Network Termination
- CP-IWF Customer Premises Interworking Function
- CO-IWF Central Office Interworking Function
- connection devices and transitional devices are connected to an ATM network within the access network.
- the between the terminals and the switching center in Traffic streams transmitted to assigned B- (bearer) channels and the signaling streams transmitted to control the transmission processes, for example in D- (demand) channels, are matched in the ATM network with ATM cells, which are usually assigned to virtual connections VCC (ATM Virtual Channel Connection) AAL2 (ATM Adaptation Layer Type 2) protocol transmitted.
- VCC ATM Virtual Channel Connection
- AAL2 ATM Adaptation Layer Type 2
- the invention is therefore based on the object of designing non-uniform access networks for the use of V5 interfaces.
- the object is achieved by the features of patent claim 1.
- the essential aspect of the invention consists in a method for connecting terminals with at least one switching device with at least one connection device, generally associated with an access network, for connecting the terminals to the access network, at least one transition device, usually also assigned to the access network, for connecting the access network to the switching device, at least a V5 interface between the transition device and the switching device and at least one common - possibly virtual - signaling channel between the connection device and the transition device, in which at least some of the signaling information is transmitted in the common signaling channel, the transmission of which as a result of the V5 interface used at least between the connection device and the switching device is required.
- the transition device and the connection device can be produced economically optimal. This is e.g. Particularly advantageous for the provisioning phase, because economic aspects are of great importance in this phase
- those signaling information which serve to control the V5 interface are only exchanged between the transition device and the switching device - claim 2.
- the signaling information provided according to the first protocols used on the V5 interface Protection Protocol, Bearer Channel Connection Protocol, or Link Control Protocol only between the transition device and the switching device and the signaling information used afterwards on the V5 interface coming second protocols: ISDN signaling protocol, PSTN signaling protocol or control protocol provided signaling information at least between the connection device and the switching device - claim 3.
- the signaling information is transmitted in the signaling channel using protocol elements which correspond in their structure to the protocols provided for in the protocols. This minimizes the transmission effort in the transition device because the identical protocol elements result only a pass-through of the protocol elements that is essentially transparent to the transition device is required. It is particularly advantageous that the signaling information is not copied between differently structured protocol elements.
- connection device and the transition device, with which at least the activation and deactivation of the connections between the connection device and the transition device is controlled Functions implemented that are required to coordinate the distributed processing of the protocols.
- FIG. 1 shows in a block diagram a network configuration with a uniform access network in accordance with the V5 reference model
- Figure 2 is a block diagram of a network configuration with a further subdivided access network.
- FIG. 3 shows a block diagram of the network configuration according to FIG. 2 with an additional ATM network between the connection devices IAD and transition devices IAT,
- FIG. 4 shows in a block diagram the network configuration according to FIG. 3 with an additional xDSL device between the connection devices IAD and the ATM network, and
- FIG. 5 shows in a block diagram the network configurations according to FIG. 3 or 4 with virtual connections VC used according to the invention.
- FIG. 1 shows an example of a network configuration according to the V5 reference model.
- at least one terminal UT is connected to a uniform access network AN on the terminal side at a terminal interface UTIF to a connection device NT indicated by dots - also with CP-IWF, but mostly referred to below as IAD.
- the access network AN is on the exchange side at one V5 interface V5IF connected to at least one switching device LE.
- the V5P protocols used on the V5 interface V5IF are used between these two units.
- FIG. 2 shows a network configuration in accordance with modern standardization projects. This essentially corresponds to that of FIG. 1.
- the access network AN is again subdivided into a terminal device-side connection device IAD - also referred to as CP-IWF - and an exchange-side transition device IAT - also referred to as " CO-IWF, with the connection device IAD whose alternative designation with NT is indicated by a dotted representation.
- At least one signaling channel CCSC according to the invention is provided between the connection device IAD and the transition device IAT.
- the protocols V5P running on the V5 interface V5IF are also provided between the access network AN and the switching device LE
- some of these protocols provided in accordance with the V5 standards are only used between the transition device IAT and the switching device LE - identified in the figure as the first protocols V5P '-
- some of these further in accordance with the V5-S Protocols provided at least between the connection device IAD and the switching device LE are used - identified in the figure as second protocols V5P ''. They are transmitted between the connection device IAD and the transition device IAT in the common signaling channel CCSC. Between the connection device IAD and the
- An additional protocol A2CC (AAL2 Channel Control) can also be provided for the transition device IAT, provided this is necessary for the provision of the full V5 functionality, for example on the terminal UT - this option is indicated in the drawing by a dotted representation.
- the entirety of the V5P '' protocols and the Additional protocol A2CC is also referred to as a protocol set or - abbreviated - protocol A2LC (AAL2 Loop Control).
- FIG. 3 A further network configuration is shown in FIG. 3, which essentially corresponds to that of FIG. 2.
- the connection device IAD and the transition device IAT are connected to one another by an ATM network ATMN, to which they are connected at ATM interfaces ATMIF.
- the additional A2LC protocol (AAL2 Loop Control) is mandatory for this network configuration.
- the first protocols V5P ' e.g. as Protection Protocol PP, as Bearer Channel Connection Protocol BCC or as Link Control Protocol LP
- the second protocols V5P '' as ISDN Signaling Protocol DSS, as PSTN Signaling Protocol PSP or as Control Protocol CP.
- the Control Protocol CP comprises at least one Common Control CC protocol part.
- connection device IAD is not connected directly to the ATM network ATMN, but indirectly through an access multiplexer DSLAM (Digital Subscriber Line Access Multiplexer).
- DSLAM Digital Subscriber Line Access Multiplexer
- xDSL one of the transmission methods referred to in the art as xDSL is used on the physical interface between the connection device IAD and the access multiplexer DSLAM.
- ATM cells will still be transmitted at a higher protocol layer - this is indicated by the expanded designation DSLAM (ATM) of the access multiplexer DSLAM.
- ATM DSLAM
- connection device IAD connection device
- transition device IAT transition device
- the protocol A2LC (AAL2 Loop Control), which describes the entirety of the protocols V5P '' and the additional protocol A2CC, requires an addressing of the respective protocols in order to differentiate them and to transmit them correctly to the protocols V5P or the additional protocol A2CC each processing protocol instances.
- the protocol elements are marked with envelope function addresses (EFA) provided in the V5 standards.
- EFA envelope function addresses
- the Control Protocol CP includes, for example, two partial protocols: 1) a partial protocol User Port Control and 2) one Sub-protocol Common Control CC, both of which are described in Section 15 of the ETSI standard ETN 300 347 and Section 14 of the ETSI standard ETN 300 324. From the partial protocol CC, only the following functions are preferably used for the A2LC protocol:
- the " partial protocol Common Control CC" is supplemented by a continuity check function, for example by adding the following two protocol elements: A2LC CONTINUITY CHECK
- the additional protocol A2CC is used as a result of the ATM network ATMN and is used at least for the activation and deactivation of the virtual channels VC used according to the AAL2 protocol - hereinafter also referred to as 'AAL2 channel' for short. It includes e.g. following protocol elements:
- IP Internet Protocol
- AAL2 Internet Protocol
- VoATM Voice over ATM'
- VoIP 'Voice over IP'
- VoDSL 'Voice over DSL'
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR0014923-3A BR0014923A (pt) | 1999-10-22 | 2000-10-18 | Processo e disposição para a correção de uma rede de acesso em uma instalação de comunicação |
EP00984841A EP1222837A2 (de) | 1999-10-22 | 2000-10-18 | Verfahren und anordnung für den anschluss eines zugangsnetzes an eine vermittlungseinrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1999151047 DE19951047B4 (de) | 1999-10-22 | 1999-10-22 | Verfahren und Anordnung für den Anschluß eines Zugangsnetzes an eine Vermittlungseinrichtung |
DE19951047.4 | 1999-10-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001030111A2 true WO2001030111A2 (de) | 2001-04-26 |
WO2001030111A3 WO2001030111A3 (de) | 2002-03-14 |
Family
ID=7926608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/003679 WO2001030111A2 (de) | 1999-10-22 | 2000-10-18 | Verfahren und anordnung für den anschluss eines zugangsnetzes an eine vermittlungseinrichtung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1222837A2 (de) |
CN (1) | CN1382362A (de) |
AR (1) | AR026199A1 (de) |
BR (1) | BR0014923A (de) |
DE (1) | DE19951047B4 (de) |
WO (1) | WO2001030111A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100402980B1 (ko) * | 2001-06-14 | 2003-10-22 | 엘지전자 주식회사 | 브이오디에스엘 게이트웨이에서 씨씨에스 타입의아이에이디 가입자 수용 방법 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10147771C2 (de) * | 2001-09-27 | 2003-07-31 | Siemens Ag | Verfahren zur Desensibilisierung des paketbasierten Anschlusses von Teilnehmern an ein Vermittlungssystem |
DE102004043572B4 (de) * | 2004-09-09 | 2008-04-24 | Siemens Ag | Verfahren zum Übertragen von Telekommunikationsdaten von einem Zugangsnetzwerk zu einem Media Gateway Contoller |
CN101094146B (zh) * | 2007-06-28 | 2011-11-30 | 中兴通讯股份有限公司 | 基于v5接口的接入网用户呼叫方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5822420A (en) * | 1996-08-30 | 1998-10-13 | Digital Technics, Inc. | Signaling protocol for multilink access network-local exchange interfaces |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19508081A1 (de) * | 1995-03-08 | 1996-09-12 | Sel Alcatel Ag | Verfahren zum Steuern eines Zugangsnetzes sowie Vermittlungsstelle und Zugangsnetz damit |
-
1999
- 1999-10-22 DE DE1999151047 patent/DE19951047B4/de not_active Expired - Fee Related
-
2000
- 2000-10-18 CN CN 00814617 patent/CN1382362A/zh active Pending
- 2000-10-18 BR BR0014923-3A patent/BR0014923A/pt not_active IP Right Cessation
- 2000-10-18 EP EP00984841A patent/EP1222837A2/de not_active Withdrawn
- 2000-10-18 WO PCT/DE2000/003679 patent/WO2001030111A2/de not_active Application Discontinuation
- 2000-10-20 AR ARP000105545 patent/AR026199A1/es not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5822420A (en) * | 1996-08-30 | 1998-10-13 | Digital Technics, Inc. | Signaling protocol for multilink access network-local exchange interfaces |
Non-Patent Citations (3)
Title |
---|
AKIHIKO TAKASE ET AL: "BROADBAND SUBSCRIBER LOOP SYSTEMS" HITACHI REVIEW, Bd. 40, Nr. 3, 1. Juni 1991 (1991-06-01), Seiten 199-204, XP000277439 TOKYO, JP ISSN: 0018-277X * |
BRUSCA M S: "INTEGRATED ACCESS NETWORK ARCHITECTURE" ANNUAL REVIEW OF COMMUNICATIONS, 1. Januar 1996 (1996-01-01), Seiten 441-447, XP000620801 * |
CHOHAN D S: "THE HIGH-SPEED ACCESS NETWORK" ELECTRONICS AND COMMUNICATION ENGINEERING JOURNAL,GB,INSTITUTION OF ELECTRICAL ENGINEERS, LONDON, Bd. 8, Nr. 3, 1. Juni 1996 (1996-06-01), Seiten 101-112, XP000592208 ISSN: 0954-0695 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100402980B1 (ko) * | 2001-06-14 | 2003-10-22 | 엘지전자 주식회사 | 브이오디에스엘 게이트웨이에서 씨씨에스 타입의아이에이디 가입자 수용 방법 |
Also Published As
Publication number | Publication date |
---|---|
DE19951047B4 (de) | 2005-08-18 |
BR0014923A (pt) | 2002-06-18 |
DE19951047A1 (de) | 2001-04-26 |
WO2001030111A3 (de) | 2002-03-14 |
EP1222837A2 (de) | 2002-07-17 |
CN1382362A (zh) | 2002-11-27 |
AR026199A1 (es) | 2003-01-29 |
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