An update on Cisco’s Service Provider line of business at EANTC 2020 Interop event
Cisco IOS XR Service Provider drops from EANTC 2020 public interop event due to Coronavirus pandemic
Blogs and Events
April 2020
April 2019
Inside IOS XR - Part 2
In this blog we will discuss IOS XR’s software architecture, that is typically invisible, and describe IOS XR’s architecture from its foundations up.
IOS XR at CiscoLive US 2019
IOS XR related content at Cisco Live US 2019
March 2019
Inside IOS XR - Part 1
In this blog we will discuss IOS XR’s software architecture, that is typically invisible, and describe IOS XR’s architecture from its foundations up.
February 2019
IOS XR at CiscoLive Melbourne 2019
IOS XR related content at Cisco Live Melbourne 2019
December 2018
IOS XR at CiscoLive Europe 2019
IOS XR related content at Cisco Live Europe 2019
June 2018
Persistent Load Balancing or “Sticky ECMP”
Traditional ECMP or equal cost multipath loadbalances traffic over a number of available paths towards a destination. When one path fails, the traffic gets re-shuffled over the available number of paths.
May 2018
An Update on Router Buffering
Buffering requirements for routers have been a much debated and ultimately unresolved topic since the beginning of the Internet. This paper presents a technical foundation for network designers to assess buffering requirements based on applications as well as network and traffic characteristics. It also provides specific recommendations for comm...
MPLS + SDN + NFV World @ Paris2018 – Cisco IOS XR participation at Interoperability Showcase
Learn the technical details regarding Cisco’s participation at MPLS WC 2018 interop showcase with platforms powered by the IOS XR operating system. This blog will focus on Segment Routing and Ethernet VPN test areas.
March 2018
Introduction to P4 and P4Runtime
P4 is a domain specific programming language for writing packet forwarding functions. It has several native language constructs such as IPv4 addresses, Interfaces, VLANs that allows for writing highly optimal code which is portable (subject to some constraints as discussed below) across different NPU architectures.
Enabling IOS-XR on Third-Party Network Hardware
As the ecosystem of the Service provider access market evolves to include disaggregated network devices as part of the scale-out strategy, Cisco is now enabling IOS-XR on select OCP-compliant network hardware. Here, we dive deeper into what it takes to work with the OCP and whitebox ecosystem and what IOS-XR is doing in this realm.