Monthly Archives: August 2016


Where is the bandwidth bottleneck?

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Recently Nature magazine posted a thorough article about bandwidth bottleneck and researchers race to solve some of the fundamental challenges that can push us through the bandwidth limits. Even though limits in fiber optics, and semiconductor chip technologies exist, they are usually less costly to improve and therefore are usually not the choking points. Connecting […]

Bandwidth Bottleneck

IPsec security

Can You Rely on IPSec alone for Security ?

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IPsec is an IETF standard that enables mutual authentication between hosts and also facilitates negotiation of cryptographic keys that will be used in encrypting the IP packets. Even though IPsec support encryption without authentication, that is really not a good idea for security. With the latest news about NSA tools potentially being stolen and available […]


Business Continuity with SD-WAN

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Delta Airlines lost millions of dollars this week, according to Wall Street Journal┬áreport, all caused by a single networking device problem (reported as “switchgear problem”). The early measurements of the cost of the outage is not taking into effect the bad publicity and PR this created as well as the bitter taste for passengers who […]

business continuity with SD-WAN

Optimizing WAN with NFV

What is Network Function Virtualization – NFV, and how will it impact your WAN?

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Network Function Virtualization (NFV) is the concept of being able to programmatically add/modify the functionality of a network. You can think of NFVs as virtual appliances that you program into a network to inject various services into the network. Some of the primitive NFV concepts rely on static capabilities such as firewall’ing, NAT’ing, DHCP and […]