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Use this BGP tutorial to learn how the protocol works

Border Gateway Protocol is the complex routing protocol that literally makes the internet work. This tutorial walks you through how BGP functions and offers troubleshooting options.


Acacia buy makes Cisco a bigger player in DCI market

Cisco plans to buy Acacia for $2.6 billion. Cisco's acquisition will make it a direct supplier of optical interconnects for the data centers of carriers and service providers.


Clear up cloudy insight into transformation, security

In this roundup of networking blogs, experts dive into three facets of networking that cloud can affect: network transformation, planning and security.


5G technology to drive SD-WAN deployment

As 5G deployment ramps up in the coming years, the technology will transform enterprise WAN connectivity, help drive SD-WAN rollouts and stir up market competition.

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Networking Basics

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    What role does state play in networking?

    When it comes to understanding state from a networking perspective, knowing the difference between stateful vs. stateless firewalls is a crucial starting point.

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    Address Resolution Protocol (ARP)

    Address Resolution Protocol (ARP) is a procedure for mapping a dynamic Internet Protocol address (IP address) to a permanent physical machine address in a local area network (LAN).

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    Fifth-generation wireless (5G) is the latest iteration of cellular technology, engineered to greatly increase the speed and responsiveness of wireless networks.

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