At The

Deutsche Telekom at a Glance

As one of the world's leading telecommunications and information technology service providers, Deutsche Telekom is setting international standards.

Our Group offers integrated solutions from its core business areas - mobile communications, Internet, fixed-line networks and system solutions - from a single source. Millions of private and business customers around the world are benefiting from Deutsche Telekom AG's innovative products and services. The company's four divisions cover the entire spectrum of the modern information society:T-Com: One of Europe's biggest fixed-line and broadband providers. T-Mobile: One of the leading mobile communications providers worldwide. T-Online: One of the biggest Internet-Service-Providers in Europe. T-Systems: One of the largest systems houses in Europe.

The "T" represents the promise of quality, efficiency and innovation for the benefit of all our customers around the world.

Connections over multiple Domains Traditional vs. Control Plane enabled Optical Network

Configured by multiple NMSNo signaling flow between nodesInteraction between carries by e –mail or fax Highly complex coop interface No standardized fast restoration (shared prot.)

Initiated by one NMSSignaling control flows between nodes to manage connectionsAutomatic interaction between domains Simple functionalities (basic functions only) Fast recovery (restoration) due to I-NNI

Domain 1 Domain 2Client 1 Client 2

XCOOPNetwork Management 1 Network Management 2

Domain 1 Domain 2

Data flowSignaling control flow

Client 2

Network Management 2

E-NNI

Network Management 1

E-NNI: External Network-to-Network InterfaceI-NNI: Internal Network-to-Network Interface

I-NNI I-NNI I-NNI

Traditional

Intelligent

Client 1

Configured by multiple NMSNo signaling flow between nodesInteraction between carries by e –mail or fax Highly complex coop interface No standardized fast restoration (shared prot.)

Initiated by one NMSSignaling control flows between nodes to manage connectionsAutomatic interaction between domains Simple functionalities (basic functions only) Fast recovery (restoration) due to I-NNI

Domain 1 Domain 2Client 1 Client 2

XCOOPNetwork Management 1 Network Management 2

Domain 1 Domain 2

Data flowSignaling control flow

Client 2

Network Management 2

E-NNI

Network Management 1

E-NNI: External Network-to-Network InterfaceI-NNI: Internal Network-to-Network Interface

I-NNI I-NNI I-NNI

Traditional

Intelligent

Client 1

Control Plane InterfacesOIF Implementation Agreements are Basis of Interop Tests in 2004

Client network

A

Client network

C

Client network

D

Client network

B

UNI

UNI

UNI

UNI

Optical network

B

Optical network

A

Carrier domain

UNI

E-NNI I-NNII-NNI

UNI: User Network InterfaceI-NNI: Internal Network to Network InterfaceE-NNI: External Network to Network Interface

OIF UNI and NNI, combined with GMPLS and ASTN enabled transport networks, allow rapid end-to-end connection provisioning

Most efficient data over SDH/SONET transportBased on ITU-T Standards

ASTN/GMPLS network

Decoupling of the data NE interface rate with the bandwidth of the connection in the transport network

Most efficient mappingof Ethernet in VC-x/STS-y;payload is transmitted only

OIF World Interoperability Tests 2004 Test Network Topology

KDDINTTCT

DT

TIVZ

AT&T VC-4 connectionIPSEC

connections

IPSECconnections

OIF World Interoperability Tests 2004 Detailed Network Topology in DT‘s Lab in Berlin

MarconiMSH

CienaCD

Tellabs6350Cisco

GSR12406

E-NNI to AT&TXC: Ciena

AdvaFSP1500

GFPVCAT

(LCAS)

GFPVCATLCAS

Internet

GFPVCATLCAS

UNI

GFPVCAT

w/o LCAS

= STM-16 = GE

Hub

AdvaFSP1500

GFPVCAT

w/o LCAS

Lucent λ UniteVC-3/4

= E-NNI CP = UNI CP

RouterUNI

E-NNI

E-NNI

E-NNI

CiscoGSR1240

6

VC-4 chan.

VC-4 chan.

VC-4 XC VC-3/4 XC

VC-12 XC

E-NNI to TILABXC:Sycamore

UNI to Cisco

Alcatel1660

VC-4 XC

GFPVCATw/o

LCAS

E-NNI to NTTXC:NEC

Tellabs 6345

VC-12 XC

GFPVCATLCAS

OIF World Interoperability Tests 2004 Interop test partners at DT‘s Lab in Berlin

Vendor Network function

Ciena UNI(N) 1.0R2, E-NNI, GFP-F

Tellabs UNI(N) 1.0R2, E-NNI, GFP-F

Marconi UNI(N) 1.0R2, E-NNI, GFP-F

Cisco UNI(C) 1.0R2

Alcatel GFP-F

Lucent GFP-F

ADVA GFP-F

InfoValue provides support for video streaming

OIF World Interoperability Tests 2004 Berlin Atrium Lab View

Mar

coni

Luce

ntCiena

AlcatelTellabs

Adva

Cisco

StandardsSpecifications

Interoperability tests/demonstrations

OIF

Carrier sites

Field trials

Deployment

OIFITU-TIETF

Control Plane Evolution Path From Standards to Deployment

Feedback

Performing the next step, after specification, is of paramount importance for carriersThese tests results are building the basis for:• Further activities, e.g. evaluations, field tests, pilots;

these steps are definitively needed on the roadmap towards implementation

• Design of new network servicesGetting a world wide overview of the status of interoperable implementationsClose cooperation with interoperability tests partners, carriers and vendors, giving manifold opportunities for upcoming OIF activities

OIF World Interoperability Tests 2004 Carrier Benefits from Participating at OIF Interop Tests

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www.telekom.de