History of GateD

By Russ | 17 September 2019 | 0 Comments

Sue Hares, cochair of the IDR and I2RS working groups in the IETF, joins Donald Sharp and Russ White to talk about the origins of one of the first open source routing stacks, GateD. Sue was involved in MERIT and the university programs that originated this open source software, and managed its transition to a commercial offering.

The Hedge Episode 6: Geoff Huston on DoH

By Russ | 11 September 2019 | 0 Comments

In this episode of the Hedge, Geoff Huston joins Tom Ammon and I to finish our discussion on the ideas behind DNS over HTTPS (DoH), and to consider the implications of its widespread adoption. Is it time to bow to our new overlords?

The Hedge Episode 5: Geoff Huston on DoH

By Russ | 10 September 2019 | 0 Comments

In this episode of the Hedge, Geoff Huston joins Tom Ammon and I to discuss the ideas behind DNS over HTTPS (DoH), and to consider the implications of its widespread adoption. Is it time to bow to our new overlords?

History of TCP/IP with Doug Comer

By Russ | 3 September 2019 | Comments Off on History of TCP/IP with Doug Comer


The Transmission Control Protocol, or TCP, is one of the foundational technologies of packet switched networks. TCP not only provides windowed flow control, it also manages the retransmission of data when errors are detected, and sockets for addressing individual applications on a host. Doug Comer was involved in the early development of TCP/IP.

The Hedge Episode 4: Joe Cozzupoli

By Russ | 27 August 2019 | Comments Off on The Hedge Episode 4: Joe Cozzupoli


Multicloud is all the rage — but is this always an intentional state of affairs, or do companies just “fall into” multicloud? Security in multicloud and certifications round out this episode of the Hedge, where we are joined by Joe Cozzupoli. You can get in touch with Joe through twitter at @jcozzupo24150.

History of YANG with Phil Shafer

By Russ | 20 August 2019 | Comments Off on History of YANG with Phil Shafer

YANG is a data modeling language used to model configuration data, state data, Remote Procedure Calls, and notifications for network management protocols, described in RFC7950. The origins of YANG are rooted in work Phil Shafer did in building an interface system for JUNOS. Phil joins us on this episode of the History of Networking to discuss the history of YANG.

The Hedge Episode 3: Derick Winkworth and Automation

By Russ | 13 August 2019 | Comments Off on The Hedge Episode 3: Derick Winkworth and Automation

Network automation efforts tend to focus on building and maintaining configurations–but is this the right place to be putting our automation efforts? Derick Winkworth joins Tom Ammon and Russ White at the Hedge for a conversation about what engineers really do, and what this means for automation.

History of SNMP with Craig Partridge

By Russ | 6 August 2019 | 2 Comments

The Simple Network Management Protocol, or SNMP, was originally specified in RFC1067, and most recently in RFC1157. The original intent was to make “all IP and TCP implementations be network manageable”—an early form of providing a machine-readable interface so operators could “automate all the things.” Craig Partridge played a key role in the early development and standardization of SNMP; he joins us on the History of Networking to discuss the origins and challenges involved in developing SNMP.

The Hedge Episode 2: Jeff Tantsura and Intent Based Networking

By Russ | 30 July 2019 | 2 Comments

Jeff Tantsura recently co-authored a draft in the IRTF defining some of the concepts and parameters for intent based networking. Jeff joins Tom Ammon and Russ White to dig into this new area, and what it means for networks.

https://www.ietf.org/id/draft-clemm-nmrg-dist-intent-02.txt

Dave Piscatello: IP and CLNS in the Early Interenet

By Russ | 23 July 2019 | Comments Off on Dave Piscatello: IP and CLNS in the Early Interenet

Early in the history of the Internet, there were serious discussions about whether IP or CLNS should be adopted. Dave Piscatello joins this episode of the History of Networking to discuss how and why the decision to standardize on IP was made.