Cisco and US telecoms giant AT&T have joined forces to deploy a next-gen open disaggregated IP edge routing platform.
The hardware used for the solution is the same as previously announced for AT&T’s IP/MPLS core. However, Cisco’s IOS-XR software will now be integrated.
Andre Fuetsch, CTO for Network Services at AT&T, says:
“The first IP edge use case is peering – the system that connects AT&T’s IP network with that of other Internet Service Providers (ISPs). But this is just the tip of the iceberg; we are working with Cisco on developing additional edge use cases that will include broadband, IP content, Ethernet, mobility, and VPN services.
We have started the journey to converge the disparate edge implementations we have today onto common software and hardware driving uniformity, simplification, and agility.”
As mentioned earlier, the solution uses the same Broadcom Jericho2/UfiSpace hardware being used for the core. This helps to keep maintenance processes simple and more efficient.
Three components make up the UfiSpace portfolio:
- 40x100G line card system
- 10x400G line card system
- 48x400G fabric system
Routers can be built with capacity between 4 Tbps to 192 Tbps by deploying these systems in various configurations.
Ram Velaga, SVP and GM of the Core Switching Group at Broadcom, comments:
“Jericho2’s scalability allows the hardware platform to be used from the core to the edge of the AT&T network while enabling a thriving ecosystem that supports their vision of a disaggregated, flexible, and simplified network infrastructure.
Broadcom is pleased to work with AT&T to enable merchant silicon solutions for end-to-end deployments.”
Cisco’s IOS-XR software will provide management and control functions for the solution.
For the initial peering use case, AT&T will make use of IOS-XR’s BGP Flowspec, unicast Reverse Path Forwarding (uRPF), and port mirroring features. AT&T will be able to make use of these features to combat the increasing prevalence of DDoS attacks.
“The internet of the future is supported by an automated, software-defined network that can easily support the cloud-and-app-powered world we live in,” said Jonathan Davidson, SVP and GM of the Mass Scale Infrastructure Group at Cisco.
“Together with AT&T, we are marking a milestone in the industry with the convergence of the IP edge using open, disaggregated hardware and software-only models designed to fit a broad spectrum of commercial arrangements.”
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