Network Availability: the quest for the five nines

Any organization that relies on data networks for its core operations needs to ensure the continued availability of its network infrastructure, which includes LAN devices (switches, routers, firewalls, etc.), WAN links, Internet and cloud connections, and the support facilities (power, […]

Connectivity with Dark Fibre and Carrier Ethernet Services

Network service providers (a.k.a communication carriers) are offering multiple services suitable for MAN (metropolitan area network) and WAN (wide area network) connectivity. This article introduces two of these services that offer unique benefits to organizations seeking this type of network […]

What is SDN?

Software Defined Networks (SDN) is a new technology with a lot of potential and a healthy dose of hype. The main premise of SDN is moving the intelligence of the network from distributed network nodes to a centralized location to […]

Multi-homed Internet Connectivity using BGP

Connectivity to the Internet through more than one upstream ISP (Internet Service Provider) is referred to as multi-homing (or dual-homing in case of two ISPs). Multi-homing is generally required to increase the reliability of the Internet connection by reducing the […]