Every business is different, but if you rely on the Internet, hoping for the best or ignoring the possibility of a short or even extended loss of Internet connectivity is probably not the best plan.
ISPs don’t normally offer an ‘SLA’ (reliability agreement/guarantee) on Internet connections, especially for home internet connections. Even high grade Ethernet Leased Lines with 99.9% uptime still have a 6 hour SLA, which is great, but means that your business could be without internet connectivity for up to 6 hours. Standard ADSL and FTTC in most people’s homes runs over Openreach’s network, meaning that your home workers could be unable to work for up to 2 days before the telephone line is fixed.
A line fault, maintenance, routing failure, cable damage, power failures at the ISP or exchange – all of these can break your connection for a short time or even for days.
What would happen if it fails for a brief period or even an extended period during the day? What impact will that have on your efficiency, productivity and your business in general? DrayTek routers not only provide a vast array of security and connectivity features, they also have multiple connections for an alternative (backup) Internet connection.
For example, with a Vigor 2862 Router/Firewall for the office or a Vigor 2762 for homeworkers the primary feed could be a VDSL broadband circuit such as FTTC, but in the event of that circuit failing, the Vigor Fouter/Firewall could automatically switch over to one of the following:
- A second ADSL or VDSL line, using a separate DSL modem and different ISP
- 4G Cellular Data using a USB 4G modem (e.g. EE, Vodafone, O2, etc.) and increasingly 5G
- A cable-modem service (e.g. VirginMedia)
- Any other Internet connection via an Ethernet cable (e.g. leased line, EFM)
Once your primary (main) broadband service is restored, the router again automatically switches back to that.
As well as failover mode, when both connections are available, the router can use both at the same time to provide more total Internet bandwidth to your network, called load balancing. Load balancing either automatically spreads your internet traffic across both connections, or you set rules for specific traffic or users to use specific connections.
Example Failover 1: using a second ADSL broadband service
Example Failover 2: using a 4G dongle and simcard as back-up
Hopefully, your broadband service is reliable most of the time. Even if you’ve never had a problem, allowing for one gives you peace of mind that you will be able to cope, and with a low cost business grade router such as a Draytek 2762 remote workers can have resiliency at home.
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