Ethernet Network for Businesses
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Ethernet Network: Cost-effective & high-performance
In addition to MPLS and SD-WAN, Site Connectivity via broadband Ethernet is a frequently used option for cost-effective and high-performance networking of sites.
Simply presented Extend your Ethernet LAN with broadband Ethernet links across locations to create an Ethernet-based WAN.
They receive Ethernet ports from the carrier as interfaces and manage their WAN and its traffic themselves. The locations are not connected via the public Internet. The security of your data is guaranteed by the use of dedicated Ethernet lines. Additional encryption and traffic management solutions can be used.
The advantages of Ethernet Network in a nutshell:
- High scalability
- High security
- High availability
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Site Connectivity with Ethernet
Ethernet options for your company
Ethernet services are of particular interest to companies because they enable simple cross-site management of their own internal company network in a transparent Ethernet environment without having to route over the public WAN.
You can scale the bandwidth and use it to prioritize applications in order to easily increase performance.
Ethernet networks can be realized with different topologies. These differ according to who communicates with whom in the network.
Various topologies such as point to point, hub and spoke and any to any are possible worldwide.
- Point-to-pointDirect connection of two locations via Ethernet
- HUB & SPOKE: The company headquarters or a data center serves as the HUB and all other locations (SPOKE) are connected to the network in a star configuration. Data is transferred between the locations via the head office (HUB).
- Any-to-any: ONE site becomes the Ethernet Primary Site, all others become Ethernet Access Sites. Networking takes place in an any-to-any topology; data transfer can take place either via the main site or via all branch offices.
Ethernet variants in detail
Extended redundancy
- Dual homing: Two routers with separate network cables
- Use of various carrier media (fiber optics, copper, leased lines)
- ISDN backup variants (“Dial into the Cloud”, “Dial around the Cloud”)
- High reliability for critical locations
Class of Service (CoS)
- Up to 5 service classes for different data streams
- Premium Class for voice and video data (up to 30% bandwidth can be reserved)
- Business Class for applications such as SAP® or Citrix™
- Standard class for less critical data traffic (e.g. emails)
Options for remote access
- Field staff dial in via POP or Mobile communications
- Cisco® VPN remote client can be used via IPSec tunnel
- Permanently connected remote locations can be realized via router and IPSec
Integrated Internet access
- Centralized Internet access with uniform firewall policies
- Logical separation of VPN and Internet traffic
- Internet access via shared or separate Ethernet interface
High scalability
- Bandwidth can be flexibly adjusted without replacing the router
- Cost- and time-efficient expansion as demand grows
- Future-proof for new applications and locations
Simple administration
- Uniform management via carrier network
- Reduced complexity for Site Connectivity
- Clear separation of critical and non-critical data facilitates monitoring
Provider overview
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“SAVECALL turned both topics into a success for us”
Costs and availability
WAN
MPLS
SD-WAN
What does Ethernet cost?
Ethernet Networks are generally more cost-effective than MPLS and SD-WAN solutions.
We will be happy to provide you with a non-binding analysis with prices.
The price for Ethernet results from:
- Vendors
- Availabilities
- Bandwidths
- Distances
A comparison is worthwhile. It is not only the costs that play a central role, but also QoS, SLAs, backup options and availability.
Ethernet availability
The availability of Ethernet Site Connectivity in Germany is being driven by the expansion of fiber optic networks. Fiber optic cables offer high transmission capacity and enable fast and reliable network connections.
Metropolitan regions and conurbations
The availability of Ethernet Site Connectivity is particularly high in metropolitan regions such as Berlin, Hamburg, Munich, Frankfurt and Cologne. Large cities are well equipped with fiber optic networks and offer a wide range of Ethernet services.
Medium-sized and smaller cities
The availability of Ethernet Site Connectivity is also becoming increasingly better in medium-sized and smaller cities in Germany. Due to the expansion of fiber optic networks and the growing competition among network providers, Ethernet services are also increasingly being offered in more rural regions.
Individualized solutions
Another advantage of the availability of Ethernet Site Connectivity in Germany is the possibility of customized solutions: Customized Ethernet services that meet the specific requirements and needs of your company. This includes the selection of the right bandwidth, the scalability of the network and the integration of additional services such as security and monitoring.
Ethernet variants in detail
1
Ethernet Hub & Spoke
With HUB & SPOKE, a central location, the company headquarters or data center, becomes the HUB for VPN Site Connectivity. The branch offices (SPOKE) are connected in a star configuration. The data transfer between the branch offices is always routed via the main location.
By using point-to-multipoint connections, the local networks (LAN) of several locations merge into a single logical network (WAN) without media discontinuity. HUB & SPOKE simplifies the network architecture and thus offers improved efficiency through centralized networking.
The Ethernet line (Point to MultiPoint) not only covers your current business requirements, but also allows you to react flexibly to future bandwidth requirements. Bandwidths can be expanded quickly and cost-effectively without changing routers. Even internationally.
2
Ethernet private network
In the Ethernet Private Network(EPN), one location, the company headquarters or data center, becomes the primary site for Site Connectivity. All other locations become access sites. Networking takes place in an any-to-any topology.
Data can therefore be transferred between the branch offices to the main location or directly between the locations in the network.
3
Any-to-any
By using any-to-any connections, the local networks (LAN) of several locations merge into a single logical network (WAN) without media discontinuity.
E-LAN (Ethernet Any-to-Any) also makes it possible to react to future bandwidth requirements internationally in a highly flexible manner and without having to replace routers.
Awards for Outstanding Performance
Ethernet network explained simply
Data networks are irreplaceable when it comes to handling business processes efficiently, reliably and quickly. But how is data transferred, stored, categorized and made accessible within the networks?
1
Physical and logical structure of Ethernet:
Ethernet is based on a physical transmission layer and a logical data link layer. On the physical layer, Ethernet is operated via copper or fiber optic cables that transmit data packets. The logical structure of Ethernet consists of so-called frames, which organize the data in packets and contain address information to route the data traffic in the network.
2
Network architecture:
The basis for Ethernet Site Connectivity is a robust network architecture. The network consists of various components such as switches, routers and firewalls. Each site is connected to these components to enable data traffic between the sites.
3
Connection of the locations:
The locations are connected via Ethernet cables or fiber optic cables, depending on the company’s requirements. These cables are used to establish physical connections between the network components at the individual locations.
4
IP addressing and routing:
IP addresses are used for communication between the locations. Each location is assigned a unique IP address, which makes it possible to send data packets to the correct location. Routing tables are used to define the path for data traffic between the locations.
4
VLANs and subnets:
Virtual Local Area Networks (VLANs) and subnets are used to organize and manage data traffic between locations. VLANs enable the logical separation of the network into different areas, while subnets control the IP addressing within the network.
5
Security:
Security plays an important role in Ethernet Site Connectivity. Firewall systems are used to monitor data traffic and prevent unwanted access. Encryption technologies such as virtual private networks (VPNs) can be used to protect data during transmission.
6
Redundancy and reliability:
To ensure high availability, redundant components and fail-safe mechanisms are used in Ethernet Site Connectivity to ensure that data traffic is forwarded smoothly even in the event of a failure.
7
Management and monitoring:
Management and monitoring systems are used for efficient administration of Ethernet Site Connectivity. These systems enable network administrators to monitor the status of the network, identify problems and take appropriate action.
Ethernet: All providers
| Provider | Product |
|---|---|
| Ethernet Business Service Dedicated Ethernet |
 | Plusnet VPN |
| Ethernet-Line Ethernet Hub+Spoke Ethernet VPN Private Ethernet |
| EthernetConnect (obsolete) EthernetConnect 2.0 |
 | VT Ethernet |
 | Ecotel Ethernet VPN |
 | E-LineE-Tree |
| Ethernet Connect |
LAN technologies at a glance:
| NAME | IEEE STANDARD | DATA RATE | MEDIA TYPE | MAXIMUM DISTANCE |
|---|---|---|---|---|
| Ethernet | 802.3 | 10 Mbps | 10Base-T | 100 meters |
| Fast Ethernet/ 100Base-T | 802.3u | 100 Mbps | 100Base-TX 100Base-FX | 100 meters 2000 meters |
| Gigabit Ethernet/ GigE | 802.3z | 1000 Mbps | 1000Base-T 1000Base-SX 1000Base-LX | 100 meters 275/550 meters 550/5000 meters |
| 10 Gigabit Ethernet | IEEE 802.3ae | 10 Gbps | 10GBase-SR 10GBase-LX4 10GBase-LR/ER 10GBase-SW/LW/EW | 300 meters 300m MMF/ 10km SMF 10km/40km 300m/10km/40km |
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Ethernet Network – FAQs
Ethernet networking extends your local LAN across sites into an Ethernet-based wide area network. Instead of using the public internet, sites are connected through dedicated fibre or copper lines provided by carriers. The sites logically appear as a single network, without routing or NAT complexity. Bandwidths range from 10 Mbit/s to 100 Gbit/s. Ethernet networking is particularly suitable for companies with high performance requirements, sensitive data or classic client-server architectures.
There are three classic topologies: Point-to-point connects two sites directly, ideal for data centre interconnection or headquarters with a critical branch. Hub-and-spoke connects a central site (hub) with multiple remote sites (spokes) and is the most common variant for classic enterprise networks. Any-to-any connects all sites directly with each other, ideal for distributed load and high resilience requirements. SAVECALL designs the right topology based on traffic flow, number of sites and budget.
Costs depend on bandwidth, distance and topology. A 100 Mbit/s connection typically ranges from 400 to 1,200 euros monthly per site, 1 Gbit/s from 1,000 to 2,500 euros and 10 Gbit/s from 2,000 to 6,000 euros. Point-to-point connections are usually cheaper than any-to-any setups. For international connections or hard-to-reach sites, prices increase significantly. Through the SAVECALL procurement pool, list prices typically reduce by 15 to 30 percent.
Ethernet networking is a pure Layer 2 technology with dedicated lines and constant bandwidth. MPLS operates at Layer 2 and 3 with QoS classes and shared carrier infrastructure, offering differentiated prioritisation. SD-WAN is software-based and uses different underlays in parallel, including the internet. Ethernet is the most performant, MPLS the most mature for QoS, SD-WAN the most flexible and cost-effective. Many companies combine the technologies: Ethernet between data centres, SD-WAN between sites, MPLS for critical voice routes.
Ethernet networking offers guaranteed bandwidth, constant latency, high uptime (SLA 99.9 to 99.99 percent) and no competition with other internet traffic. Security is physically and logically separated from the public internet. Internet-based VPN is cheaper and faster to deploy but suffers from variable latency, shared bandwidth and potential security risks. For regulated industries, latency-critical applications or high bandwidth requirements, Ethernet is the right choice, supplemented by encryption for particularly sensitive data.
Leading providers are Deutsche Telekom (Company Connect), Vodafone, Colt, Versatel, BT Global Services and Lumen. Regional carriers such as M-net or NetCologne are often price-attractive in their home markets. Internationally, regionally strong carriers each operate their own Ethernet networks. SAVECALL compares over 80 carrier partners and evaluates availability, SLAs and pricing site by site. For multi-country setups we combine several carriers into a seamless Ethernet WAN with unified SLA and a single point of contact.
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