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3
March 2017 | By Reza Toghraee @ ArpaWare
Excuse me, Whats the SDWAN business case in 2017?
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Excuse me, Whats the SDWAN business case in 2017?
 

SDWAN has gained lots of attention during last 3 years with new terms, hypes, marketing buzz and finally some Intelligence to legacy WAN.

What is SDWAN ? Keep all marketing stuff and hype away, in simple terms SDWAN is a solution to allow enterprises and their branch locations to use multiple WAN or Internet links (combination of high quality and cheap commodity) to build their virtual private network, via an Over The Top (OTT) approach...

 

 

 

Reza Toghraee
Technical Manager (CCIE, Cloud, SDN, Netwrok, Security Expert)

at ArpaWare

 

2
October 2016 | By Reza Toghraee @ ArpaWare
Building Software Defined ISP Using Open Hardware and Software
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Building Software Defined ISP Using Open Hardware and Software
 

The CPE devices simply run DHCP client to retrieve IP address. The aggregation switch acts as a DHCP relay and forwards the DHCP request to the FreeRadius-DHCP. 

FreeRadius-DHCP authenticates the user based on MAC address of the CPE router, and returns back the subscriber properties such as IP address, bandwidth, quota , lease expiration, etc.  A DHCP response will be sent to the subscriber's CPE , also FreeRadius triggers the Puppet to publish the user's restrictions on aggregation switches. 

 

 

 

Reza Toghraee
Technical Manager (CCIE, Cloud, SDN, Netwrok, Security Expert)

at ArpaWare

 

1
September 2016 | By Reza Toghraee @ ArpaWare
Open Networking, White Box, Bare metal Switches What are the Risks?
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Open Networking, White Box, Bare metal Switches What are the Risks?
 

You can buy a baremetal switch from a re-seller or an online shop. buying bare metal is much simpler than buying stuff from big vendors where they question you 1000 things to find-out where they can upsell. Normally resellers also provide you with NOS (Network Operating System) from different vendors such as Cumulus, IPinFusion, Pica8 or BigSwitch.

 

 

 

Reza Toghraee
Technical Manager (CCIE, Cloud, SDN, Netwrok, Security Expert)

at ArpaWare

 

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