Carolyn Duffy Marsan

Articles by Carolyn Duffy Marsan

Level 3 expands IP, data services

* Level 3 rolls out (3) Flex IP VPN service

By Carolyn Duffy Marsan

Jun 28, 2004 3 mins

Internet Service Providers Networking

Broadband DSL achieves record-breaking growth

* Number of U.S. broadband DSL subscribers jumped 13% over 2003

By Carolyn Duffy Marsan

Jun 23, 2004 2 mins

AT&T CSO espouses new approach to cybersecurity

* AT&T points to an intelligent network to thwart cyberattacks

By Carolyn Duffy Marsan

Jun 21, 2004 3 mins

AT&T Internet Service Providers WAN

The 40G transmission flap: AT&T’s story

* AT&T points to its trial of 40G transmission in July 2002

By Carolyn Duffy Marsan

Jun 16, 2004 4 mins

AT&T Networking

The 40G transmission flap: Sprint’s story

* MCI not the only one to send IP packets at 40G bit/sec, Sprint says

By Carolyn Duffy Marsan

Jun 14, 2004 4 mins

AT&T Internet Service Providers Networking

GlobalStar offers tips for buying IP service in the hinterlands

* Providing service to far-flung locations

By Carolyn Duffy Marsan

Jun 9, 2004 4 mins

Internet Service Providers Networking

What to expect during the security clearance process

By Carolyn Duffy Marsan

Jun 7, 2004 2 mins

Networking Security

MCI sets record for IP transmission speeds

* MCI prepares its network for 40G bit/sec speeds

By Carolyn Duffy Marsan

Jun 7, 2004 3 mins

Worth the wait

By Carolyn Duffy Marsan

Jun 7, 2004 5 mins

Networking Security

Under pressure: Pa. county upgrades network and saves

By Carolyn Duffy Marsan

Jun 7, 2004 4 mins

Show me more

AI erased the 50-day patch window. Palo Alto Networks has a response

By Zeus Kerravala

Aug 5, 20266 mins

Network SecuritySecurity SoftwareThreat and Vulnerability Management

2026 network outage report and internet health check

Aug 4, 202678 mins

Cloud ComputingNetwork Management SoftwareNetwork Monitoring

With FCC ban on new Chinese-made optical transceivers for DCs likely, it may be time to stock up

By Evan Schuman

Aug 4, 20269 mins

Artificial IntelligenceLaws and RegulationsNetworking Devices

Has the hype around ‘Internet of Things’ paid off? | Ep. 145

Apr 18, 202436 mins

IoT PlatformsIoT Security

Episode 1: Understanding Cisco’s Converged SDN Transport

Sep 24, 202120 mins

Cisco SystemsInternetNetworking

Episode 2: Pluggable Optics and the Internet for the Future

Sep 23, 202117 mins

Cisco SystemsComputers and PeripheralsInternet

Master Linux Math with the bc Command | Easy CLI Calculations Explained!

Jun 23, 20251 mins

Operating Systems

Master Linux Math in Seconds: How to Use the expr Command Like a Pro

Jun 17, 20251 mins

Operating Systems

How to Do Math in the Command Line Using Double Parentheses

Jun 6, 20251 mins

Operating Systems