Body Relay was one particular of the earliest Digital Non-public Community (VPN) technologies made use of to connect buyer internet sites with each other to transfer details to every other. Not any more …MPLS has jumped to the forefront as the solution of decision today.
With FR (body relay) buyer web sites link to a network provider’s Frame Relay “cloud”, generally working with leased line technology (64kbps – 2Mbps are typical in the British isles).
The moment all of the purchaser sites are linked to the exact same Frame Relay cloud, the client community is created in software program using “digital circuits”. Each individual VC goes from the branch, to the head business office or exactly where the information software is hosted. You can build a VC for information and a individual VC for voice, each and every with different overall performance properties (committed details costs).
Key factors about Frame Relay – it was not pretty scalable and was pricey to deal with (since of all the digital circuits and back again up digital circuits). It would by natural means be applied to produce “hub-spoke” networks with one particular principal workplace and loads of little types – which suited some businesses – even to this working day. Nevertheless the boost in site visitors viewed in customer networks through the nineties and past has mainly rendered Frame Relay obsolete.
Even so there are however a rump of companies continue to utilizing FR in the British isles – notably those people with slim client or terminal apps with pretty lower traffic demands, but large uptime specifications. Mainly because entry to the FR cloud was centered on highly responsible leased traces, FR networks are likely to be solid and unremarkable, albeit “low” bandwidth by present day requirements.
In the US … that’s not so genuine. Body Relay is not often even talked about when wanting into new networks or upgrading present kinds.
Frame Relay competed towards ATM in the late 80s and early 90s, but has been superceded by MPLS (Multi-Protocal Label Switching) and Ethernet-based mostly wide-region networks because then. For what you once thought of Frame Relay for (application) … search alternatively to MPLS first. If extra bandwidth or robustness is essential … and cost is an impediment … gravitate towards an ethernet centered WAN. Possibly way you’re far better off than the old Frame relay.