BGP for Service Layer Migration and Perhaps More

The Important Over the next five years (Network 2025), migration will be top of mind for IP Architects and Engineers, as many networks transition to Segment Routing (SR) for MPLS (SR MPLS), Segment Routing for IPv6 (SRv6), IPv6 (without segment routing), and other migration scenarios in between. BGP-based VPNs support numerous forwarding/data planes, enabling the…

IP Traffic Engineering & the Automation Dividend

If we think of traffic engineering (TE) as the real-time to long-term mechanisms for networks achieving performance objectives & customer SLAs, in the presence of network failures & topology changes, then we might assert there are three forms of TE: Throw huge amounts of bandwidth at it Throw less bandwidth at it and have a light-weight approach…

Blockchain

The Important Blockchain is not a database. Blockchain is a journal. Blockchain is best used to record immutable information Blockchain should not be used for mutable information Blockchain does not provide anonymity1, transaction partners are known Blockchain does provide confidentiality, specifics of records can be hidden Note (1): The traceability of criminal behavior has nuances….

Oh, pandemics, that’s why we need ubiquitous broadband!

I get it, COVID-19 is now going to become everyone’s pet excuse for funding. Everyone will be lining up at the government trough for their favorite cut of pork. However, I would argue ubiquitous 5G, that we can trust, is a critical national/global priority. Global shutdowns have pushed the conversation way past the historical debates…

Disaggregated Internet Exposes Strategic Straddles

All markets force companies to make choices: value proposition, how will it be differentiated, does anyone care, how does each investment support the intended value chain/value proposition. A disaggregated Internet forces existing companies to make new choices and creates the opportunity for new ones to disrupt. The emergence of Broadcom, and companies like Arista that…

Network Infrastructure: No Rising Tide to Raise All Ships

The Important 50 years on, the Internet, and broadly speaking networking, are a raging success. Network infrastructure growth is often driven by regional, segment, and technology refresh hotspots, leading to inconsistent aggregate growth across the entire market. This dynamic creates management / leadership challenges. There are some broad-based opportunities like SD-WAN and Security. Quick and…