Access Leaf Router

What it does

RtBrick's Access Leaf Router aggregates and terminates fixed access subscribers, including DSL, FttH and Enterprise fixed lines, in a web-scale SD-CO (Software-Defined Central Office). It runs as software on your choice of commodity hardware. RtBrick's FullStack routing software is a new way to build and run your network, applying a cloud-IT approach to deliver routing software that is more robust, more controllable and costs far less than a conventional network. It allows you to build a distributed Software Defined Network, that delivers at carrier-scale.

Several Access Leaf Routers are used to connect to two or more Spine Routers to create a Software-Defined Central-Office (SD-CO).

From Carrier-Grade to Web-Scale – taking the Internet-native approach

Rather than try to build an unattainable flawless system, we’ve taken a web-scale approach and focused on self-healing systems. Our modular code and single state database makes it easier to scale and contain risk, and it’s inherently simpler to control.

You can manage your whole network from a single browser window, using the RtBrick Management Suite. And you get automation straight out-of-the-box. Simply power-on your bare metal switches and they will self-register, download the correct software image, discover their topology and all microservices self-start. Automated software version management reduces risk of human error, and new microservices can be updated and tested independently of other operating software. The system also includes tools to simplify repair, such as ‘clone a switch’ for zero-touch replacement of broken hardware. And there’s in-depth alarm and status management, with thresholds and abnormalities automatically flagged: from data rates to fan speeds. You can glue this into your existing OSS using REST and RPC APIs, such as gNMI (Google Network Management Interface).  The cost will be significantly lower than traditional systems.

Access Leaf Router Features

Network Operating System
RtBrick Full Stack
RBMS (RtBrick Management System), 
ZTP, Telemetry, CLI, REST API, RPC, gNMI, Openflow, SNMP
L2X, Need 2 levels, Basic EVPN (eq. L2VPN) - 1, Full EVPN - 4
SD-CO (Software Defined Central Office)
PPPoE, L2TP, DHCP, Radius
CoS/Firewall Policy
CoS, Firewall; Need 2 levels - firewall - 0; firewall and CoS - 2
Routing Policy

Hardware chipsets SupportedBroadcom Qumran switch series
Broadcom's Jericho switch series
Barefoot Networks Tofino chipset
VPP (Vector Packet Processing, is a packet-processing stack for commodity CPUs)

RtBrick's Full Stack routing software can operate on many bare metal switches, depending on your performance and port count requirements. For example, EdgeCore's AS5912-54X is a 48 port, 800Gbps, 1 RU switch which uses Broadcom's Qumran chipset.

Transform your carrier into an ‘Internet-native’

So now you can have everything SDN promised, and more…

  • You can migrate to a simpler, safer network
  • You can operate your network at web-scale
  • And you can operate at cloud cost-levels