SD-WAN for Businesses

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Flexible. Secure. Smartly networked.

Complex networks, increasing data volumes and distributed locations present IT departments with new challenges every day. Conventional WAN structures are often rigid, cost-intensive and difficult to control, especially when cloud services or remote workstations need to be integrated.

With SD-WAN from SAVECALL, your company network becomes intelligent, dynamic and adaptable. Central control, intelligent line utilization and maximum reliability ensure performance, transparency and cost control, across locations and in real time.

Awards für ausgezeichnete Leistungen

Vodafone Business Partner Platin
Vodafone Business Partner Gold
Versatel championsfly award
Plusnet loyalty award
Placetel gold partner
MNet platin partner
Ecotel rising star
Ecotel partner of the year
Ecotel diamond partner
Colt international partner advisory board
Colt innovation award
Colt european partner of the year
Colt arr performance award
Avaya Cloud Partner Award
Ecotel loyalty award

Explained by experts:

SD-WAN: Site Connectivity with a modern twist

SD-WAN architecture: Connection of company locations, data center, MPLS, Internet and cloud services such as AWS, Microsoft Azure, Google Cloud and VMware.

Important aspects for the security of Site Connectivity solutions:

Increase performance & reduce costs with SD-WAN:
SD-WAN improves the performance of WAN connections through application-aware routing, load balancing and policy-based path control. At the same time, you reduce OPEX (operating expenses) through automated network management and the use of commodity broadband.

More flexibility & scalability without proprietary hardware: Reduce dependency on legacy systems and static network architectures. SD-WAN enables multi-transport support (e.g. MPLS, LTE, DSL) and zero-touch provisioning (ZTP) for rapid scaling. Use overlay tunnels and redundancy mechanisms for maximum reliability.

Centralized network management & easy implementation: Benefit from cloud-orchestrated network control with end-to-end visibility and traffic shaping. Quality of Service (QoS) policies can be defined via a central orchestration engine, while Dynamic Path Selection ensures optimal performance.

Optimal integration of cloud services & applications: Connect IaaS and SaaS platforms efficiently through Direct Internet Access (DIA) and Secure Edge Connectivity. SD-WAN improves the stability of real-time applications such as VoIP or video conferencing through Forward Error Correction (FEC) and packet duplication.

The increasing dependence on centralized services and cloud-based applications is a common reason for using an SD-WAN solution. Setting up branch offices and subsidiaries is often very time-consuming and inefficient.

Consider a situation where a cloud-based application is used by a large number of people in dozens of locations. The task of setting up secure connections to all users is very time-consuming.

In contrast, an SD-WAN solution can make this possible in just a few minutes. The reason for this is the ability to access a central control and management function. SD-WAN makes it easy to set up secure connections on any type of network topology.

SAVECALL WAN Consulting - independent expert analysis for network infrastructure, WAN architecture and secure Site Connectivity - Mood Bild.

Software developers or external employees often need immediate access to development environments or cloud-based services.

Ensuring this often takes several days with conventional networks

With the use of SD-WAN, such access can be granted within minutes.

With SD-WAN, secure network connections can be set up much faster and more efficiently than with conventional WAN solutions. The key lies in the central control and management function, which enables simple and flexible network configuration.

SD-WAN has fundamentally changed the traditional provider market. In addition to established providers such as Deutsche Telekom, Colt, Plusnet and Vodafone, numerous new players have emerged. These are often in no way inferior to the big players, and some of them even impress with innovative user guidance and integration options.
That’s why it’s worth making a comparison:

Anbieterübersicht

Voiceworks, carrier partner of SAVECALL Telecommunications Consulting
Vodafone, carrier partner of SAVECALL Telecommunications Consulting
Verizon, carrier partner of SAVECALL Telecommunications Consulting
Tata Communications, carrier partner of SAVECALL Telecommunications Consulting
Arelion, carrier partner of SAVECALL Telecommunications Consulting
becom, carrier partner of SAVECALL Telecommunications Consulting
byon, carrier partner of SAVECALL Telecommunications Consulting
Lumen, carrier partner of SAVECALL Telecommunications Consulting
MetTel, carrier partner of SAVECALL Telecommunications Consulting
expereo, carrier partner of SAVECALL Telecommunications Consulting
Epsilon, carrier partner of SAVECALL Telecommunications Consulting
ecotel, carrier partner of SAVECALL Telecommunications Consulting
CrowdStrike, technology partner of SAVECALL Telecommunications Consulting
NFON, carrier partner of SAVECALL Telecommunications Consulting
Nitel, carrier partner of SAVECALL Telecommunications Consulting
NorthC, carrier partner of SAVECALL Telecommunications Consulting
Telefónica, carrier partner of SAVECALL Telecommunications Consulting
Sprint, carrier partner of SAVECALL Telecommunications Consulting
Deutsche Telekom, carrier partner of SAVECALL Telecommunications Consulting
Telstra, carrier partner of SAVECALL Telecommunications Consulting
BT Group, carrier partner of SAVECALL Telecommunications Consulting
Avaya, technology partner of SAVECALL Telecommunications Consulting
AudioCodes, technology partner of SAVECALL Telecommunications Consulting
Aryaka, technology partner of SAVECALL Telecommunications Consulting
1&1 Versatel, carrier partner of SAVECALL Telecommunications Consulting
Zscaler, technology partner of SAVECALL Telecommunications Consulting
TPX, carrier partner of SAVECALL Telecommunications Consulting
China Telecom, carrier partner of SAVECALL Telecommunications Consulting
Cisco, technology partner of SAVECALL Telecommunications Consulting
Colt, carrier partner of SAVECALL Telecommunications Consulting
Dacoso, technology partner of SAVECALL Telecommunications Consulting
Deutsche Telefon, carrier partner of SAVECALL Telecommunications Consulting
Equinix, carrier partner of SAVECALL Telecommunications Consulting
Magenta Business, carrier partner of SAVECALL Telecommunications Consulting
hypercore, carrier partner of SAVECALL Telecommunications Consulting
GTT, carrier partner of SAVECALL Telecommunications Consulting
GasLINE, carrier partner of SAVECALL Telecommunications Consulting
Fuze, technology partner of SAVECALL Telecommunications Consulting
euNetworks, carrier partner of SAVECALL Telecommunications Consulting
Masergy, carrier partner of SAVECALL Telecommunications Consulting
Microsoft, technology partner of SAVECALL Telecommunications Consulting
M-net, carrier partner of SAVECALL Telecommunications Consulting
NGN, carrier partner of SAVECALL Telecommunications Consulting
noris network, carrier partner of SAVECALL Telecommunications Consulting
NorthC, carrier partner of SAVECALL Telecommunications Consulting
NTT, carrier partner of SAVECALL Telecommunications Consulting
Riedl, carrier partner of SAVECALL Telecommunications Consulting
RETN, carrier partner of SAVECALL Telecommunications Consulting
Plusnet, carrier partner of SAVECALL Telecommunications Consulting
Placetel, carrier partner of SAVECALL Telecommunications Consulting
Pan Dacom, technology partner of SAVECALL Telecommunications Consulting
Orange, carrier partner of SAVECALL Telecommunications Consulting
Scaltel arbeitet mit SAVECALL als Partner für IT- und Netzwerklösungen.
Seebauer ist Partner von SAVECALL im Bereich Business Solutions und Netzwerktechnologien.

Advantages of SD-WAN

Two traders negotiating at a table, faces not visible, focus on movement and atmosphere.

In order not to lose proximity to customers, many new branches and subsidiaries are often opened quite quickly.

Often, IT can no longer keep up with the provision of central services and network infrastructure.

With an outdated, static network infrastructure, each new branch requires a great deal of planning and implementation effort.

SD-WAN solutions contain options for eliminating these bottlenecks.

Advantages:

  • Flexibility and automation in deployment
  • Fast commissioning due to independence from ISPs
  • Standardization of security topics such as firewall and VPN

    The combination of these SD-WAN advantages enables a flexible response to new requirements and growth.
Office of a marketing agency

SD-WAN has shaken up the provider market. In addition to established providers such as Deutsche Telekom, Colt, Plusnet and Vodafone, many new players have emerged – often with innovative user guidance and better integration options.

A comparison is worthwhile – for several reasons:.

  • Overview of all SD-WAN providers
  • The SD-WAN hardware is designed to be installed using the “zero-touch” method. This means that a non-IT person can connect the SDWAN equipment. The configuration is then automatically transferred to the SDWAN equipment in accordance with the guidelines.
  • Simple integration of SAAS and cloud providers such as Microsoft or Amazon. These platforms can be accessed directly without having to make a detour via the head office
  • All settings and guidelines can be viewed and edited in a portal.

Modern corporate building of a medium-sized company with glass and concrete façade in the warm morning light.

However, all the SD-WAN advantages mentioned above only come into play if costs can also be saved as a result

SD WAN solutions can help to better plan and adhere to the IT budget

  • A zero-touch rollout not only saves time and capacity, but also saves IT staff time-consuming travel
  • WAN upgrade costs can be contained. By using an SDWAN solution, you can find out whether the expensive MPLS infrastructure really needs to be expanded. Increasing the cheaper Internet line is often completely sufficient
  • Since all settings and guidelines are managed via one platform and one console, costs and licenses for conventional tools and hardware are eliminated.
  • In the past, specialists were needed for routing and security, but today this can be handled by one person.

Begeisterte Kunden

Overview of SD-WAN providers

Keep an eye on technological differences, costs & features

SD-WAN providers differ greatly in terms of price, usability, performance and additional options such as IP telephony. A structured comparison not only helps to find the best solution, but also often enables considerable cost savings compared to traditional WAN technologies.

What is important:

Kunden

ZVEI e.V. – German Electro and Digital Industry Association, customer of SAVECALL Telecommunications Consulting
TotalEnergies, customer of SAVECALL Telecommunications Consulting
TELUS, customer of SAVECALL Telecommunications Consulting
Synopsis SAVECALL partner
Social Chain, customer of SAVECALL Telecommunications Consulting
smava, customer of SAVECALL Telecommunications Consulting
Sivantos, customer of SAVECALL Telecommunications Consulting
Sanacorp, customer of SAVECALL Telecommunications Consulting
Nippon Seiki, customer of SAVECALL Telecommunications Consulting
MWB, customer of SAVECALL Telecommunications Consulting
MSC, customer of SAVECALL Telecommunications Consulting
Kraftanlagen München, customer of SAVECALL Telecommunications Consulting
McDermott, customer of SAVECALL Telecommunications Consulting
Magna, customer of SAVECALL Telecommunications Consulting
LV 1871, customer of SAVECALL Telecommunications Consulting
Lebenswege, customer of SAVECALL Telecommunications Consulting
Korian, customer of SAVECALL Telecommunications Consulting
Kekst CNC, customer of SAVECALL Telecommunications Consulting
Käuferportal, customer of SAVECALL Telecommunications Consulting
item, customer of SAVECALL Telecommunications Consulting
Ingram, customer of SAVECALL Telecommunications Consulting
ILF Consulting Engineers, customer of SAVECALL Telecommunications Consulting
Hyatt, customer of SAVECALL Telecommunications Consulting
Heinrich-Böll-Stiftung, customer of SAVECALL Telecommunications Consulting
Fressnapf, customer of SAVECALL Telecommunications Consulting
Financial.com, customer of SAVECALL Telecommunications Consulting
Contora, customer of SAVECALL Telecommunications Consulting
Cognizant, customer of SAVECALL Telecommunications Consulting
Bitmarck, customer of SAVECALL Telecommunications Consulting
AVIA, customer of SAVECALL Telecommunications Consulting
Aurelius, customer of SAVECALL Telecommunications Consulting
Almeda, customer of SAVECALL Telecommunications Consulting
Allianz Handwerker Services, customer of SAVECALL Telecommunications Consulting
Allianz Global Assistance, customer of SAVECALL Telecommunications Consulting
Allianz, customer of SAVECALL Telecommunications Consulting
Advantest, customer of SAVECALL Telecommunications Consulting
Satellite Office, customer of SAVECALL Telecommunications Consulting
Börsen AG, customer of SAVECALL

Costs & provider comparison

ProviderBackboneCustomers Target groupConnection optionsEncryptionCloud Connect
Logo Aryaka - Partner of SAVECALLYesInternational enterprise and large enterprise customers who use cloud providersEthernet, Broadband, 3G/4G/LTE, SatelliteYes (IP Sec)O365, Azure, AWS,
Salesforce, Box, SAP, Autodesk AutoCAD Application Acceleration
Site-to-site/site-to-cloud
Logo Masergy - Partner of SAVECALLabout AryakaInternational customers
Customers who use cloud providers
All transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)Yes (IP Sec)O365, Azure, AWS,
Salesforce, Box, SAP, Autodesk AutoCAD Application Acceleration
Site-to-site/site-to-cloud
Bigleaf Networks Logo - SAVECALL Partner for Cloud-enabled SD-WAN and Internet Optimization Solutionsnot knownCloud app customers, customers who want to keep the existing firewall / security and do not want to change the configurationAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)not availableNo, but you can use all cloud connection services provided by network operators
Logo BT Group - Partner of SAVECALLYesExisting Cisco customers, medium-sized and enterprise customersAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)YesNo, but you can use all cloud connection services provided by network operators
Logo expereo - Partner of SAVECALLnot knownExisting Cisco customers, medium-sized and enterprise customersAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)YesNo, but you can use all cloud connection services provided by network operators
NetWolves Logo - SAVECALL partner for SD-WAN, network management and secure enterprise connectionsnot knownExisting Cisco customers, medium-sized and enterprise customersMPLS, Ethernet, Broadband, 3G/4G/LTEYesNo, but you can use all cloud connection services provided by network operators
Logo Telstra - Partner of SAVECALLYesExisting Cisco customers, medium-sized and enterprise customersAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)YesNo, but you can use all cloud connection services provided by network operators
Logo Verizon - Partner of SAVECALLYesExisting Cisco customers, mid-market, enterprise, and large enterprise customers that have a significant portion of locations in the Verizon territory (USA)MPLS, Ethernet, Broadband, 3G/4G/LTEYesAWS, Azure, Google HPE, IBM, Oracle, Salesforce
Logo expereo - Partner of SAVECALLnot knownExisting Citrix customers who use XenDesktop/XenAppAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)Yes (AES-128, AES-256, IPSec, GRE, and
Citrix Virtual Path)
No, but you can use all cloud connection services provided by network operators
Ecessa logonot knownMedium-sized companies with up to 20 locationsAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)YesNo, but you can use all cloud connection services provided by network operators
NetWolves Logonot knownExisting Meraki customers, small, medium and enterprise customersMPLS, Ethernet, Broadband, 3G/4G/LTEYesNo, but you can use all cloud connection services provided by network operators
Logo Deutsche Telekom - Partner of SAVECALLYes (ngena global backbone)International Enterprise and Large Enterprise customersMPLS, Ethernet, Broadband, 3G/4G/LTEYeson request
AT&T Partner of SAVECALLYesNational and international customers who have a significant number of locations in the AT&T area (USA)MPLS, Ethernet, Broadband, 3G/4G/LTEYesAWS, Azure, Blue Jeans, Box, Cisco, Google, HP Helion, IBM, Salesforce, Sunguard, VMware
Logo becom - Partner of SAVECALLYesNational and international customersMPLS, Ethernet, Broadband, 3G/4G/LTEYesAWS, Azure
Logo MetTel - Partner of SAVECALLnot knownSmall, medium-sized and enterprise customersMPLS, Ethernet, Broadband, 3G/4G/LTEYesAWS, Azure, Google via Megaport
Mitel Logo - SAVECALL Partner for Cloud Telephony, UCaaS and SD-WAN Integrationnot knownMitel Phone customersAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)YesAWS, Azure, Google
Logo Sprint - Partner of SAVECALLYesNational and international customers with a significant number of locations in the Sprint area (USA)MPLS, Ethernet, Broadband, 3G/4G/LTEYesAWS, Azure
Logo TPX - Partner of SAVECALLYesResellers (resale), medium-sized and enterprise customersAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)YesAWS, Azure, Google
SAVECALL Partner windstreamYesResellers (resale), medium-sized and enterprise customersMPLS, Ethernet, Broadband, 3G/4G/LTEYesAWS, Azure
SAVECALL Partner Century LinkYesNational and international customers who have a significant proportion of locations in the CenturyLink areaMPLS, Ethernet, Broadband, 3G/4G/LTEYesAWS, Azure
Logo China Telecom - Partner of SAVECALLyes (own SD-WAN AS)medium-sized, enterprise and large enterprise clients with locations in ChinaAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)YesNo, but you can use all cloud connection services provided by network operators
Logo Colt - Partner of SAVECALLYesMedium-sized and enterprise customers with HQ in Europe or. JapanAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)YesNo, but you can use all cloud connection services provided by network operators
Logo GTT - Partner of SAVECALLYesInternational Enterprise and Large Enterprise customersMPLS, Ethernet, Broadband, 3G/4G/LTEYesNo, but you can use all cloud connection services provided by network operators
Logo Nitel - Partner of SAVECALLYesMedium-sized and enterprise customers with HQ in USAAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)YesNo, but you can use all cloud connection services provided by network operators
Logo Tata - Partner of SAVECALLYesInternational Enterprise and Large Enterprise customersMPLS, Ethernet, Broadband, 3G/4G/LTEYesAWS, Azure, Google
Logo Verizon - Partner of SAVECALLYesMidmarket and enterprise customers with a significant portion of locations in the Verizon territory (USA)All transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)YesVerizon SCI
Logo expereo - Partner of SAVECALLnot knownMedium-sized and enterprise customersAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)yes (SSL and IPSec)No, but you can use all cloud connection services provided by network operators
Logo Verizon - Partner of SAVECALLYesMidmarket and enterprise customers with a significant portion of locations in the Verizon territory (USA)MPLS, Ethernet, Broadband, 3G/4G/LTEYesAWS, Azure, Google HPE, IBM, Oracle, Salesforce
Logo Hypercore - Partner of SAVECALLnot knownResellers (resale), medium-sized and enterprise customersAll transport technologies (MPLS, Ethernet, Broadband, 3G/4G/LTE, Satellite, etc.)YesNo, but you can use all cloud connection services provided by network operators
Logo Vodafone - Partner of SAVECALLYesMedium-sized and enterprise customers who have a significant number of locations in Germany.MPLS, Ethernet, Broadband, 3G/4G/LTE, SatelliteYes (IPSec, SSL)Alibaba Cloud, AWS, Microsoft Azure, Google Cloud, IBM Cloud, Oracle Fastconnect, Salesforce, SAP, Microsoft 365

Case Studies/Whitepaper – SD-WAN

Differences with SD-WAN

Two traders negotiating at a table, faces not visible, focus on movement and atmosphere.

SD-WAN variants and functionality


A software-defined WAN (SD-WAN) enables the intelligent distribution of data traffic:

Hybrid network:

  • Critical application -> MPLS
  • Non-critical data -> Internet (via secure tunnel)
  • Result: Relief of the MPLS bandwidth

Self-service platform:

  • Network functions such as router, firewall, WAN management etc. are pre-installed as software (NFV)
  • No long provider inquiries necessary


Three options for Site Connectivity:

Internet based

  • For small sites with non-critical applications
  • Cost-effective, simple implementation

MPLS based

  • Manage existing MPLS networks as an overlay
  • Stability + SD-WAN flexibility

Hybrid

  • Combination of MPLS and Internet
  • Large locations -> MPLS
  • Small locations/home office -> Internet
  • Flexible choice of provider
MPLS backbone: secure networking of company locations, home office, data center and Internet via a central MPLS network.

Why

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SD-WAN – FAQs

What is SD-WAN and how does it work?

SD-WAN (Software-Defined Wide Area Network) is a software-based networking technology that uses multiple physical internet connections such as fibre, DSL, LTE or 5G in parallel and intelligently routes traffic over the best available link. A central cloud controller monitors latency, packet loss and bandwidth in real time and automatically prioritises critical applications such as voice or Microsoft Teams. Unlike classic MPLS, SD-WAN is significantly cheaper, more flexible and faster to deploy because no carrier-owned infrastructure is required.

What is the difference between SD-WAN and MPLS?

MPLS is a carrier-operated Layer 2/3 technology with guaranteed SLAs and high voice quality, but expensive and inflexible to scale. SD-WAN is software-based, uses multiple internet lines in parallel and enables centralised management across all sites. SD-WAN is 30 to 60 percent cheaper than MPLS, faster to deploy and cloud-ready. For absolutely critical real-time applications MPLS remains relevant, often combined with SD-WAN in a hybrid setup. Most companies are currently moving to SD-WAN or hybrid models

Which SD-WAN providers are leading the market?

Leading SD-WAN providers are Cisco (Meraki, Catalyst SD-WAN), Fortinet, VMware (VeloCloud), Palo Alto Prisma SD-WAN, Versa Networks, Cato Networks, HPE Aruba (Silver Peak) and Juniper. Each vendor has strengths: Cisco for complex enterprise environments, Cato for cloud-natives with integrated SASE, Fortinet for security focus, Versa for large carrier-scale deployments. SAVECALL creates an objective vendor matrix matching company size, number of sites, cloud strategy and existing IT architecture.

What does SD-WAN cost for businesses?

Costs consist of underlay internet lines, SD-WAN licence and optionally hardware. A typical site with dual internet and a managed SD-WAN appliance ranges from 250 to 600 euros monthly, depending on bandwidth and SLA tier. Main sites with redundant hardware cost 800 to 2,500 euros. Through the SAVECALL procurement pool, list prices typically reduce by 20 to 35 percent. Overall, companies migrating from MPLS to SD-WAN usually save 30 to 60 percent of total cost.

What advantages does SD-WAN offer over traditional WAN?

SD-WAN provides centralised management of all sites through a cloud console, automatic routing by application priority, significantly higher bandwidth at lower cost and zero-touch deployment for new sites. Cloud applications such as Microsoft 365, AWS or Salesforce are connected directly through internet breakouts instead of central MPLS hubs. Resilience increases through parallel internet lines with automatic failover. Scaling happens in hours rather than weeks. Most companies amortise the investment within 12 to 24 months.

How long does an SD-WAN implementation take?

A typical SD-WAN migration takes 4 to 9 months from contract to last site. Phase 1 (design and contract conclusion) takes 6 to 12 weeks, Phase 2 (pilot operation at 2 to 3 sites) another 4 to 8 weeks. Phase 3 (rollout of all sites) scales with the number: typically 5 to 15 sites per week with zero-touch deployment. For MPLS replacement, the old network runs in parallel until full acceptance. SAVECALL handles project management, carrier coordination and user training end-to-end.