From NGNto the Network of the Future –On the Road towards an All-IP Communication Network

Umsatz- und Rentabilitätssteigerung erfordert heute höhere Bandbreiten an mehr Standorten mit weniger Kosten.

Nur durch die Ergänzung von Glasfa-ser mit Breitband über Kupfer kann das Access Netzwerk optimiert werden für: - Carrier Ethernet Angebote für kleinere und mittlere Kunden - Backhauling WiFi, Mobile Backhaul und SmallCellTraffic- Kleinere DSLAMs näher zum Kunden bringen - Verstärkung von xDSL Services für höhere Datenraten und Triple Play

Vertrauen Sie dem Marktführer in High Performance Breitband über Kupfer - Erreichen Sie mehr Kunden und Standorte mit mehr Bandbreite - Bieten Sie Standard basierte, differenzierte Services hoher Verfügbarkeit - Bieten Sie mehr Carrier Ethernet, Cloud, Triple Play, Mobile Data Services - Kosten-optimieren Sie Ihr Breitbandnetzwerk für mehr Rentabilität- Planen und provisionieren Sie effektiv- Beschleunigen Sie die Vermarktung, seien Sie schneller als die Konkurrenz

Maximizing revenue and profitability today requires getting more bandwidth to more locations more cost effectively.

Only by complementing fiber with broadband over copper can the ac-cess network be cost optimized for - Offering Carrier Ethernet to the small and medium enterprise - Backhauling WiFi, mobile backhaul and small celltraffic- Extending smaller DSLAMs closer to customers - Amplifying xDSL services to extend reach and rate of triple play

Rely on the leader in high performance broadband over copper - Reach more customers and locations with more bandwidth - Offer standards-based, differentiated, high availability services - Sell more Carrier Ethernet, Cloud, triple play, mobile data services- Cost optimize the broadband network and enhanceprofitability- Efficientlyplan,install,provision,andoperate the network- Accelerate time to market to counter new competition

Die Anforderung an mehr Bandbreite ist nicht nur am Wachsen... Sie ändert sich fundamental! Ist Ihr Netzwerk bereit dafür?

Bandwidth demand is not just growing… It is fundamentally changing. Is your network ready?

Op#mized  broadband  access  for  your  evolving  network                            Web:      h'p://www.actelis.com              Email:        info@actelis.com  

From consultancy to operations support - everything from a single source3M Services GmbH is a subsidiary of 3M Deutschland GmbH.We are able to leverage over 20 years‘ experience to plan and im-plement leading edge and flexible telecommunication networks for private and public network operators. As one of the leading suppliers in the industry, both in Germany and in neighbouring European countries, we offer a broad spectrum of services in ad-dition to delivery and installation of complete networks - ranging from engineering and network planning, start of operations, pro-ject supervision, maintenance and support right up to operations management.

Future-proof solutions for carriers and network operatorsGiven the growth of bandwidth requirements and the necessary expansion of networks with new technologies, we are building IP/ MPLS & MPLS-TP Carrier Ethernet networks, and are offering high performance Ethernet in the 1st Mile solutions, 100 Gbit/s WDM as well as MSAN/FTTx systems with vectoring support. In the softswitch/IMS and session border controller technology sectors, we are leveraging our many years of market-leading experience to build turnkey solutions. Add-on products such as Provisioning and Selfcare, Unified Messaging, Cloud PBX and cross-network solutions for the Emergency Call Ordinance in Germany complete the portfolio.

Solutions for supply companies and public utilitiesIn addition to the softswitch/IMS and SBC portfolio already men-tioned, we also offer utility companies optimized network ma-nagement software and Carrier Class transport system techno-logy. The portfolio is enhanced with the addition of systems for sensitive applications such as teleprotection.

Network Operation Centre – NOCCurrent technologies such as Carrier Ethernet, VoIP and IP voice switching are considerably more complex than previous applica-tions and require an increasingly higher level of expertise on the part of operating and service personnel. So as a system integra-tor and telecommunications service provider, 3M Services is of-fering network operators in the own NOC a solution for reducing the financial overhead in network operation. Strengthen your position on the market with the expertise of our employees, and deploy a more cost-effective alternative with the NOC. Instead of ending up in a call centre, with us you are connected directly to a technician. This provides the security of being able to recei-ve professional and immediate assistance at any time. Network operators who have opted for NOC services from 3M Services appreciate in particular the benefits in resource planning, cost savings in multi-shift operation, the greater level of service quality through continual accessibility, and abo-ve all the additional level of expert knowledge available.

Full service provisionAs an independent system integrator, we keep a close eye on all innovations and technical developments across manufacturer platforms. We are therefore able to spot key technical trends ear-ly on and offer customers perfectly suited, future-proof solutions. With sales offices across Germany and additional Key Account Managers, our contacts can be reached quickly in your locali-ty. We provide consultancy on the diverse array of supporting services for operating your telecommunication network and for establishing new and interesting areas of business.

3M SERVICES - SERVICE CONNECTS

3M Services - Your partner from planning to efficient network operationThe switchover of telecommunication networks to Next Genera-tion Networks (NGN) is proceeding at full speed. Previous years have seen work on the convergence of earlier, separate access, transport and switching technologies into a standardized All-IP network carried out with NGNs. Given their high level of invest-ment, fixed line carriers are only able to convert their networks incrementally, and so will be operating in parallel conventional PSTN phone services (Public Switched Telephone Network) with TDM-based (Time Division Multiplex) access and transport tech-nologies for many years to come.The network planning of carriers has not been adequate to address the greater challenges. They perceive themselves as being under pressure to lower operating costs quicker, to imple-ment new applications and services earlier, and with speedier time-to-market, and to offer new and improved services, espe-cially to business customers.The following pages aim to provide an overview of the technolo-gy for transport and for access and switching networks. Both the current status and upcoming developments pertaining to future-proof network design are discussed.

NGN transport networks - the backboneMPLS-TP is becoming the standard in the transport network It is predominantly optical WDM (Wavelength Division Multi-plexing) / OTNs(Optical Transport Network) that are being built into the core of the backbone. Bandwidths currently lie at n x 10 Gbit/s, and the tendency is towards n x 100 Gbit/s. MPLS-TP (Multiprotocol Label Switching Transport Protocol) has establis-hed a foothold as the standard protocol for the Ethernet servi-ces carried there. Thanks to this Layer 2 based architecture, the transport network does not

become unnecessarily complex and so remains implementable in a cost-optimized manner. Layer 3 functions (to offer Layer 3 VPNs for example) can also be implemented if so required.With Carrier Ethernet and MPLS, we are entering the access and subscriber connection domain via aggregation and ulti-mately with a copper or optical fiber infrastructure. MPLS-TP to the subscriber is the trend here. The gateways required during the migration phase of the networks at many network transition points will in this scenario only play a role for subscriber voice activation with conventional TDM interfaces after migration is complete. The key requirements made of a future-proof transport network are as following:

Graphical end-to-end management and advanced OAM ca-pability (Operation, Administration, Maintenance), in particular easy-to-use network/service management with monitoring, configuration, fault and performance managementInteroperability extending beyond network bordersIntegrated TDM support for connecting earlier systemsSecurity/availability/redundancy with Carrier Grade attributesQuick path switchover when faults occur (switchover times <50 ms)Continuous clocking concept throughoutHigh levels of flexibility and scalability with adaptive bandwidth management (QoS, overbooking, effective bandwidth utilization, etc.)Standards conformity in line with ITU-T, IETF, Metro Ethernet Forum (MEF), etc.

NGN TRANSPORT NETWORKS

OAM capabilities are pivotalOnly OAM capabilities grown and fine-tuned over many years provide reliable services in the network. The network manage-ment of powerful transport systems is rendering possible for ex-ample the switching of services on the basis of an end-to-end configuration. Operating personnel do not need any specialist, low-level knowledge for the configuration of complex routing pro-tocols because the network management system addresses all the requirements. Leading edge Carrier Ethernet systems provi-de simple-to-use, end-to-end management with „Point and Click“ functionality. In the network management system with graphical user interface, the start and end points are clicked and the QoS parameters required are defined (bandwidths, etc.). The system searches for the best path through the network. The specifica-tions are entered and documented on all network elements in-volved.

What does the future hold? Given its features, Carrier Ethernet based on MPLS-TP is able to represent an across-the board solution to the subscriber. Encryp-tion of information is becoming increasingly important.

NGN transport networks - the aggregation sector Performance requirements of Carrier Ethernet Carrier Ethernet systems are showing off their benefits in carry-ing triple play services to the end customer. But they must also be designed for the particular requirements of business custo-mers - here above all controllable SLAs (Service Level Agree-ments) such as for branch networking (E-Line, E-LAN, E-Tree). Multicast capability of streaming services is a key feature for future-proof network design. Multicast means that messages can be sent simultaneously to multiple subscribers or to a closed group of subscribers without the bandwidth multiplying by the number of recipients on sending. For multicasting, the sender only needs the same bandwidth as a single recipient. DSLAM backhauling is another typical application within the context of Carrier Ethernet. For carriers, it is often the entry level into this technology because here n x 10 Gbit/s Ethernet interfaces can be offered efficiently and cost-effectively. Carrier Ethernet sys-tems feature high performance and offer secure transmission for interconnected structures.

Economic network operation Experience tells us that it is ultimately operating costs that de-cide how efficient carriers are able to operate their networks - this is because capital expenditure (CAPEX) and operating expenditure (OPEX) together make up over 70 percent of the overall costs of a carrier network.

Your Partner for Growth

Because your network deserves the best!

For advanced optimized multi-layer packet optical transport and native

packet transport, always look for the best ingredients that suit your network and

address your challenges and opportunities.

Your Path for

G r o w t h

Learn more at www.ecitele.com

NGN access networks - Ethernet in the 1st mile Symmetrical DSL with 15 Mbit/s per copper wire for business customersFor business customers outside densely populated areas, there continues to be a lack of choice for symmetrical broadband con-nectivity. The latest G.SHDSL.bis chip sets use TC-PAM 64/128 line encoding and increase the maximum data rate per twin wire to 15.2 Mbit/s. Currently only a maximum rate of 5.7 Mbit/s is permitted on leased Telekom subscriber lines. The operation of symmetrical Ethernet services with optical fiber quality is realiz-able with up to 16 bundled twin copper wires with maximum data transfer rates of 240 Mbit/s.

Dynamic Rate Boost (DRB) and Dynamic Spectral Shaping (DSS)QuFast SHDSL/VDSL are Ethernet Access Devices for running high performance and reliable Ethernet services over bundled twin copper wires.Best possible results as regards transmission rates, range and return on investment are attained with patented methods such as Dynamic Rate Boost (DRB) and enhanced Dynamic Spectral Shaping (DSS). For a network operator, these are the tools for significantly extending the bandwidth and coverage within the network.

Combining DRB and DSS possible1. significant extending of range2. greater transmission bandwidth over the twin copper wire3. the use of fewer twin copper wires for the same performance (identical bandwidth)

DMT encoding

Symmetrical VDSL with up to 500 Mbit/s VDSL Ethernet Access Devices (EAD) offer up to 500 Mbit/s of bandwidth with EFM bonding with four or eight dual copper wires.

Increased range is achieved thanks to DMT encoding (Discre-te Multitone Transmission), also used for ADSL2/ADSL2+ and VDSL2. DMT works according to a carrier frequency principle. Data is distributed to a maximum of 256 channels each having 4 kHz of bandwidth in the frequency range to 1.1 MHz.

4. an increase in spectral compatibility thanks to less interference with other services in the same cable5. costing with reduced CAPEX and OPEX

NGN ACCESS NETWORKS

How do DRB and DSS work?

Status Carrier GradeEthernet systems do not attain status „Carrier Grade“ until they have appropriate OAM capabilities. This is because only OAM capabilities grown and fine-tuned over many years from the SDH world provide reliable services within the network. The following features must therefore be supported in the network:

Carrier Class availability and securityEnd-to-end traffic managementConnectivity fault and service performance managementSwitchover times <50 msTechnology conformant to standards (such as MEF, IP/MPLS and MPLS-TP) Effective use of transmission bandwidth

PON is usually the right solution for subscriber structures in rural scenarios, i. e. few subscribers over a large area. Active Ethernet lends itself where many customers are also willing to pay for a suitably high-performance connection.

What does the future hold? nPlay - VoNGN, Internet and VoIP services The key issues in future development of the access sector are observing and heeding the different requirements in the business customer and private customer segments.What is happening with ISDN? Is PON (Passive Optical Network) or active Ethernet the right choice? Can radio be a solution? Is IP/MPLS or MPLS-TP playing a role in subscriber connections? How long will gateways be required?

The problem with voiceThe ISDN voice service and its activation continue to be wides-pread. Outside large population centres, ISDN will retain a right

to exist into the longer term due to the longer distances to the subscriber (up to and above 8 km).

Provision must be made here for relatively expensive Uk0inter-faces. Coming years will see ISDN continually lose significance as a connection variant. For network termination, the IAD (In-tegrated Access Device) is increasingly gaining a foothold as a media gateway, providing a DSL modem (ADSL2+/ VDSL2) with telephony interfaces for conventional analogue telephones and ISDN devices, and additional interfaces for the new IP world.Internet, voice, TV and gaming services will be carried solely on IT platforms. Migration to VoIP networks will see the communi-cation of voice and data via a SIP (Session Initiation Protocol) gateway - provided user devices are still not making available an appropriate interface.

Outdoor cabinets enable distances up to the customer location of several 100 meters (maximum about 1000 meters). FTTC (Fi-ber to the curb) represents a good technical solution to increase bandwidths to the subscriber, even if the last mile is over copper cable.Methods such as vectoring, that „max out“ even further dual cop-per wires to the subscriber and enable higher transmission rates, are helpful.

The continued requirement for the time being at many end cus-tomers is for conventional interfaces such as E1/PRI and ISDN/So, in this case connected with gateways to the cabinets via DSL or optical fiber.

In the business customer sector, 3M Services is testing business customer gateways for carriers, and is then specifying and re-commending the best. This then guarantee smooth operation, such as with a softswitch.

SOFTSWITCH / IMS

Satisfying features specific to Germany often causes problems, such as established ISDN features, billing accuracy, local num-ber portability and overlap dialing / open numbering plan. An in-tegration service provider such as 3M Services is again required for the testing of such components. Complimentary features on these SIP gateways are for example the enabling of an alterna-tive communication path and the present of higher bit rate inter-faces to the transport network, something cheap CPE often does not satisfy for the mass market.

IP facilitates new, smart applications The old PSTN world is gradually being converted into an IMS world (IP Multimedia Subsystem). As a result, carriers are ac-quiring a broad array of diverse voice and data applications to market to business and private customers.The IMS is standardized. The architecture of the 3GPP IMS is described in specification 3GPP TS23.228, and the TISPAN IMS in ETSI ES 282 007. The IMS core network can be understood to be a services router. All communication is based on SIP. Queries from any network are routed specifically to an applications server responsible. Existing networks such as GSM and conventional PSTN continue to be supported. The established mechanisms for registering, authentication and provision of billing data still apply in the IMS. The IMS supports the convergence of mobile and fixed line networks. An „end-to-end“ negotiation of Quality of Service for the media flow and independence of services from the access network are defined.

Modern softswitches with the IP platform expand business po-tential with the addition of new IP-based products and services such as VoIP, IP Centrex, Cloud PBX, IP Peering, Triple Play, IP TV, IN and Unified Messaging Services. The IMS specifies the interfaces necessary here to set up a cross-supplier network that is suitable for both the mobile and nomadic use of services. What does the future hold?IP PABX trunkingVoIP trunking enables cost savings - the in-house IP PABX pho-ne system is connected to the public telephone network over IP.

SIP trunkingWith SIP trunking, a connection works like a perfectly normal ISDN connection (including all service features), despite the VoIP technology. The benefit: Telecom systems installed in com-panies can continue to be used.

C

M

J

CM

MJ

CJ

CMJ

N

FiveT advert.pdf 1 30/07/13 11:01

Further information on IMS

German ISDN is only defined and represented with severe re-striction in the IMS however. In order to represent the old PSTN world in the IMS for the remaining transition time until an All-IP scenario, proprietary functions that keep open the path to the IMS are necessary for the telephony services in the Telephony Application Server (TAS). This also has relevance for fax function T.38 and modem transmission within VoIP-based networks.

3M Services is able to leverage many year‘s project experience as a market leader in launching softswitch systems to work in parallel with network operators adopting NGN IP systems. Com-patibility with existing PSTN functionality takes on great signifi-cance here. This also pertains to the aforementioned selection and certification of suitable gateways that communicate with the softswitch over SIP.

What does the future hold?The potential palette of new, intelligent products and service for the realising of new business models is extensive with All-IP. Not every carrier will be able to broaden expertise in new IP services and applications, and simultaneously maintain the resources for expansion, operation and maintenance of the infrastructure. The demand for Managed Services is growing as a result. Examples are value added services such as Lawful Interception, and servi-ces such as Local Number Portability (that can be adopted and supported operationally through 3M Services consultancy).

Local Number Portability is used in conjunction with Least Cost Routing for cost-optimised routing between PSTN and IP net-works. Policy-based routing or an IN system can be operated cost-effectively by a certified service provider as a Managed Ser-vice.

NEW BUSINESS MODELS THANKS TO IP

Hybrid networks - Ethernet + TDMHybrid servicesAlthough Ethernet services dominate, coming years will continue to see a requirement and demand for TDM services. Applications include teleprotection for the secure transmission of on/off re-mote control commands (teleprotection signals) for safeguarding high-voltage cables. Supply companies work on the basis of 10 to 15 year planning and costing periods. As operators of critical infrastructures, these companies are therefore reliant upon re-liable transmission and communication technology that can be planned in and is available over the long term. Given that public telecommunication networks do not have the necessary wide-area availability when power outages occur, utility companies are required to keep in reserve their own suitable communication networks. Particularly technical requirements are also needed for the specific „Mission Critical Data & Voice services“ deplo-yed in supply companies and public utilities. All these issues are addressed by hybrid systems that are designed to very long MTBF time specifications and are available over many years for packet-oriented services, and at the same time also guarantee full TDM support.

Open Access for ASPsCurrently almost three quarters of all FTTH optical fiber connec-tions to end customers in Europe are being installed by local au-thorities and utility companies. The Open Access business model is based upon public utility companies leasing optical fiber on a non-discriminatory basis to different network operators, who pro-vide the transmission and switching technology. As an alternative, optical Access Systems are set up as Active Ethernet, or GPON, networks that enable bit stream subscriber access, even for third party providers. Proprietary applications such as Smart Metering and Cloud PBX are not excluded here because they can consi-derably increase Return on Investment. Public utility companies can for example make considerable cost savings by using Cloud solutions (hosted PBX) as replacements for many decentralized telephone systems (including in unmanned remote stations). The IP Cloud function is multi-client capable and expandable virtually at will as regards capacity - so lends itself to the targeting of small and medium-sized businesses for example. The organizational framework would also be in place in conjunction with the Open Access business model. The transfer of voice and data over cop-per cabling will continue to be used and improved until wide-area supply with optical fiber connections is achieved. Expansion of optical fiber, up to the cable branch point initially, enables distan-ces for copper cables to be shortened, and as a consequence the available bandwidths to be increased (using the vectoring method for example). Because increasingly more security-critical techno-logy is being installed, monitoring and access control of colloca-tion rooms and cable branches, and other decentralized locations, have gained massively in significance. Deployed for such scena-rios is the 3M System sIMS (smart Infrastructure Management System) for centralized access monitoring, access control and recording/relaying of system information and alarms from other systems.

HYBRID NETWORKS

The benefits: Access for third parties can be controlled, coordina-ted and logged with a single remotely programmable electronic key (transponder). The system also includes alarm management with fault messages for temperature, fan and PSU monitoring, and connectors for other sensors. 3M Services offers for this the Managed Service - from housing of the system right up to the en-tire Network Operating Centre, including personnel for monitoring fault management.

Virtual private network (VPN)A VPN is a private network formed on the basis of a public infra-structure. It is used to transport private information using a se-cure connection over an insecure communication network. The level of security is achieved between two end points using the tunnelling method. Usually the client system uses a PPP con-nection (Point-to-Point Protocol) to access the Internet Service Provider (ISP), and then the Internet to access the company head office. The VPN connection is established by setting up a tunnel for data traffic between the two end points. This tunnel is not visible to other users, not even the ISP. Several tunnelling protocols are available for setting up VPNs - a distinction is made here between Layer 2 and Layer 3 Tunnelling.

Migration to a full-IP NGNThe ultimate aim of the evolution from time-slot based to packet-oriented technology is to carry all services over an All-IP network. Networks implemented as dedicated solutions for different servi-ces are now being replaced by a standardised network. Protocol conversions will become redundant as a consequence - all servi-ces will be sent native in IP packets.

Layer 2 Tunnelling:PPTP (Point to Point Tunnelling Protocol) or L2F (Layer 2 Forwarding) or L2TP (Layer 2 Tunnelling Protocol)

Layer 3 Tunnelling: usually implemented with IPsec.

From planning stage to efficient network operation - paving the way towards All-IP NGN

Herausgeber und Anzeigen: Five-T Communication GmbH Tel. 0 40/ 650 56 59 - 0 • Fax 0 40/ 650 56 59 - 11 • www.five-t.eu

www.3m-services.de/Telekommunikation

Clipping report