Our client, a council, had a requirement to refresh their data centre infrastructure from
legacy Cisco to modern data centre architecture.
Our client needed to upgrade their top of rack switches in the data centres. They had
a lot of legacy switches with suboptimal connectives running on legacy technologies.
They needed to condense this into a modern scalable data centre architecture that
increases operational efficiency and enhance performance.
As part of our business transformation roadmap, following consultation and a
network audit, we designed a high-level solution to build a scalable DC architecture
deploying state of the art technologies and platform in the data centre arena.
Traditionally, data centres have used Layer 2 technologies. As the design of these data
centres evolves to scale out multitenant networks, a new data centre architecture
is needed that decouples the underlay network from a tenant overlay network with
technologies such as Virtual Extensible LAN (VXLAN). Using a Layer 3 IP-based underlay coupled with a VXLAN-EVPN overlay, our client
could deploy much larger networks than are otherwise possible with traditional L2
Ethernet-based architectures. With overlays, endpoints (servers or virtual machines)
can be placed anywhere in the network and remain connected to the same logical L2
network, enabling the virtual topology to be decoupled from the physical topology.
SOLUTION PROPOSAL AND BENEFITS
Hardware Group was involved to propose the best of breed data centre network.
Hardware Services have worked closely with our client’s employees to precisely
record the existing requirements as well as future vision. A data centre proposal was generated and presented to our client based on Juniper
Networks high-performance and highly versatile QFX10K switches built on custom
Juniper-designed Q5 ASICs positioned as spines. QFX10000 switches are powered by
the Juniper Q5 forwarding ASIC, which provides up to 1 Tbps of forwarding capacity
along with unprecedented logical scale. This unique blend of high I/O capacity and
high logical scale is what truly differentiates the QFX10000 switches, enabling them
to solve a variety of traditional data centre challenges. This is in addition to QFX5100 and QFX5110 switches positioned as leaves, enables
universal building blocks for data centre switching architectures, allowing users to
easily adapt as requirements change over time. This best of breed hardware proposal is designed to run the latest data centre
technologies. Accordingly, the design proposal is based on L3 fabric deploying EVPN/VXLAN
technology. Tags: CaseStudy
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