The New Stack
JUNE 20, 2025
Core Limitations of HTTP/2: TCP’s head-of-line (HOL) blocking : Even though HTTP/2 allows multiple streams within a single connection, a lost TCP packet blocks all streams due to TCP’s in-order delivery requirement. If it fails due to the network, the user never sees an error and h2 picks up the slack. Built-in (TLS 1.3
Kentik
MARCH 26, 2025
Before Starlink introduced inter-satellite links (ISLs), the system operated as a “bent-pipe architecture” where service was only possible when a satellite was within range of a gateway. Pictured above, the EAUFON (Eastern Arctic Underwater Fibre Optic Network) submarine cable system was designed to address this need.
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Kentik
APRIL 30, 2024
IPv6 crossed this milestone late last year. This discrepancy was due to the fact that major content providers and eyeball networks had completed RPKI deployments in recent years and account for a disproportionate share of internet traffic volume. Let’s check what that means for Kentik’s aggregate NetFlow.
Kentik
APRIL 7, 2025
In this episode, let’s take a look at a BGP routing mishap from last Tuesday that briefly disrupted and misdirected internet traffic from around the world through Bucharest, Romania, due to a BGP leak by a DDoS mitigation provider. During the leak, the overall amount of traffic drops due to its disruptive effect.
Kentik
DECEMBER 19, 2023
IPv6 routes are already there. A common concern with a routing leak is the misdirection of traffic through a suboptimal path, but the other, often greater impact, is how much traffic is simply dropped due to congested links or high latencies. I’ve posted a survey on LinkedIn and X/Twitter to gather predictions from my fellow BGP nerds.
Kentik
APRIL 22, 2025
In fact, at the time of writing according to web resource bgp.tools , the AS-SET of AS3223 expands to include 28,720 different ASNs, 875,309 IPv4 prefixes, and 632,221 IPv6 prefixes. Another popular mechanism that service providers use to limit disruption due to leaks is the IRR-based route filter. What’s the solution?
Netflix Tech
APRIL 8, 2025
Delays and failures are inevitable in distributed systems, which may delay IP address change events from reaching FlowCollector. Moreover, misattribution occurred frequently for critical services with a large footprint due to frequent IP address changes. The fundamental drawback of this method is that it can lead to misattribution.
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