By design, the data network Stackscale is spaciously oversized, redundant at all levels and without bottlenecks.
The network of Stackscale is based on Ethernet with a minimum speed of 10G with 40G aggregated ports. The network connects the data centers in Spain and the Netherlands and is connected to two of the largest European Internet exchanges, Espanix and AMS-IX, and connections with five Tier 1 telecommunications operators and a considerable amount of other companies through private peering agreements.
Aggregation multi-chasis links form the skeleton of the network within the data center. They provide redundancy and scalability in time preventing the formation of loops.
Each data center has a pair of border routers that facilitate the connection to the Internet and other centers. Behind them there are Layer 3 aggregation switches, layer 2 switches and, finally, access switches to which the compute nodes connect. All logical switches are in pairs to achieve redundancy and connect to all of the devices over the aggregated multi-chasis links consisting of 2 or more 10G or 40G connections. This typology prevents the risk of formation of layer 2 loops .
All networking equipment is wire speed, meaning they reach 100% capacity of the bandwidth of the interfaces regardless of the circumstances, filters and type of traffic. This is achieved through the use of application-specific integrated circuits (ASICs).
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