Everything tagged protocol, newest first. Tags come from the classifier reading each item's summary; 394 tags used 25 times or more have their own page.
Vincent Bernat created an exceptionally polished interactive introduction to the spanning tree protocol, apparently using WebAssembly, and it is so impressive that it may serve as the definitive STP explanation, with a video version also available.
A vintage TrueTime XL GPS time server, once used to distribute precise network time, is being examined for a demo but faces practical hurdles from obsolete antenna hardware, battery-backed settings, and GPS week rollover issues that can break trusted timekeeping.
Ethan and Holly explain how LLDP helps network engineers discover network topology and verify cabling by exchanging frames with mandatory and optional TLVs, while emphasizing that edge-port security remains important.
SR-MPLS can replace traditional MPLS control planes like LDP or RSVP without disrupting a BGP-free transport core, as shown in a workshop scenario where the same core topology continued working after swapping in SR-MPLS and adding hosts plus BGP routing.
Modern service discovery has become flexible enough to let services use arbitrary ports, but DNS still remains tied to the traditional port 53 convention.
The video demonstrates how UDP simply drops missing packets and keeps going, while TCP preserves ordered delivery by withholding later data until gaps are repaired, creating head-of-line blocking that can hurt real-time applications like voice calls and games where stale data is less useful than missing data.
The post introduces a Segment Routing workshop example demonstrating multi-vendor SR-MPLS in the same lab topology, with Arista EOS on PE1, FRRouting on P, and SR Linux on PE2, marking a return to regular programming after summer and linking it to prior workshop examples.
Meta introduced MetaRoCE, a new RDMA transport protocol designed specifically for AI-scale training and serving on commodity Ethernet, aiming to improve fast, reliable GPU data movement while reducing wasted compute, and it is releasing the specification, reference software, and compliance testing tools.
Cloudflare Gateway employs protocol-level heuristics to detect MCP requests, enabling security teams to manage shadow MCP traffic, enforce Portal-only access, and block unauthorized direct connections.
Job Snijders introduces a novel, compact format for representing RPKI-signed objects and presents an archive containing spooled snapshots of global RPKI repositories.
In 1983, BSD 4.2's introduction of sockets revolutionized network communication by simplifying it to resemble file I/O, accelerating UNIX's adoption of shared protocols and services, and marking a pivotal moment in modern networking.
Dave introduces a simple networking standard, CANBUS, demonstrating its functionality through live experiments, highlighting its origins, applications, and simplicity compared to Ethernet.
Restoring access to legacy network devices involves configuring modern SSH clients to accept outdated cryptographic protocols, ensuring secure communication despite deprecated standards.
Job Snijders introduces the 'Erik' protocol, designed to enhance the speed and efficiency of RPKI repository synchronization, improving internet security and performance.
RADIUS, a longstanding protocol, requires updates and enhancements to ensure its security and relevance for the next 30 years.
OpenFlow, once touted as the universal protocol, has largely faded from discussion, but six hours of decade-old deep dive videos remain available for those still dealing with it.
IPv6's complexity stems from essential mathematical requirements, and despite its challenges, an IPv8 proposal would face significant hurdles and lack the decades-long development of IPv6.
Network Access Control (NAC) for wired networks is explored by Jennifer "JJ" Jabbusch, covering essential terms, protocols, and architectural significance.
IPv6 adoption has significantly progressed, as evidenced by approximately 50% of Google's users accessing its services via IPv6.
Scott Robohn and Russ White discuss the importance of designing protocols with operational teams in mind to ensure usability and avoid creating inoperable solutions.
Scott and Kireeti Kompella discuss Kireeti's influential career in networking, highlighting his journey from Juniper's Kernel Group to pioneering protocol developments and the C-chip patent.
AI agents can independently reason and generate content but require protocols like A2A to communicate and collaborate across different systems and modalities, using standardized descriptors and HTTP for seamless integration.
A significant portion of the Internet user base can reliably access DNS servers exclusively via IPv6, indicating growing IPv6 adoption.
RDAP, a modernized successor to the whois protocol, has reached maturity and is experiencing rapid adoption across the industry.
The content discusses significant publication milestones, advancements in Docker management software, and ongoing debates surrounding the definition of protocols.
Students from NITK participated in the IETF 122 Bangkok hackathon and continued their work in their working group, with Professor Mohit Taliani promoting new participation in IETF protocol and standards development.
The video discusses the frustrations and complexities of smart home technology, highlighting issues with various protocols and devices, while expressing a love-hate relationship with the technology's potential.
Ethernet's ubiquity is explored through Doug Boom's contributions, impacting diverse fields like space exploration, maritime navigation, aviation, and automotive technology.
In 2025, the adoption of RPKI for securing Internet routing became standard, with ongoing interest in its local, regional, and global developments.
Formal specifications enhance the reliability, security, and interoperability of network protocols by providing precise, unambiguous descriptions that facilitate accurate implementation and verification.
Formal specifications enhance the reliability, security, and interoperability of network protocols by providing precise, unambiguous descriptions that facilitate better implementation and verification processes.
The IPv6 Buzz team discusses recent developments in IPv6 standards, focusing on RFC 6052 and RFC 8215, and shares insights on the discontinued testipv6.com site.
Shumon Huque explains that greasing, which involves testing unused protocol values, helps maintain the flexibility of extensible protocols and ensures future extensions do not cause disruptions.
A recent CVE may compromise security measures established after a 2008 vulnerability disclosure, potentially weakening current defenses.
AI agents using large language models face challenges in communicating with external services, addressed by protocols like Anthropic's MCP and Google's gRPC, which offer different approaches to enabling LLMs to query external systems efficiently.
The Massachusetts Internet Exchange (Mass IX) provides a comprehensive understanding of the physical infrastructure and logical architecture essential for peering and Internet exchanges.
The episode explores the concept of dual-stack, which involves running IPv4 and IPv6 protocols simultaneously, addressing common questions and clarifying its definition.
The podcast explores the invisible world of radio frequencies, discussing the RF threat environment and featuring insights from Brett Walkenhorst, CTO, on understanding and mitigating unseen RF threats.
The podcast discusses the complexities of transitioning from IPv4 to IPv6, highlighting various transition mechanisms like NAT64, DNS64, and PREF64, and emphasizes the importance of requesting these technologies from vendors.
Ethan and Holly explain IPsec, a protocol for authenticating and encrypting IP traffic, detailing its trustworthiness, secrecy, types, and modes.
Media over QUIC (MoQ) is an IETF standard designed to enable sub-second, interactive streaming globally by providing a unified foundation.
Doug Madory's 2025 analysis, utilizing Kentik's internal measurements and global routing data, provides insights into the worldwide deployment of secure BGP.
The hardening of IP, transport, routing, and DNS protocols enhances the security and resilience of public networks, ensuring robust future connectivity.
Geoff Huston discusses the IETF DELEG Working Group's efforts to revise DNS protocol zone delegation processes to enhance efficiency and functionality.
The article evaluates the current state of BGPsec implementations through practical experiments, highlighting challenges, advancements, and the need for further development to enhance internet security.
This week's discussion focuses on the Simple Network Management Protocol (SNMP), detailing its organization, operations, versions, and future prospects in network monitoring.
The DNS Operations Working Group (DNSOP) discusses recent documents, ongoing projects, and upcoming initiatives to improve DNS operations and protocols.
The podcast "N Is For Networking" delves into routing fundamentals, emphasizing the importance of understanding layer 3 concepts like routers, routing tables, and protocols before advancing to VXLAN and EVPN.
The guest post argues that while things may appear similar, they are fundamentally different due to underlying contexts and nuances.
Ole Troan, a seasoned IPv6 engineer, discusses the inevitability of IPv6 transition and critiques its design flaws and missed opportunities.
