067 | Redundancy of Interoffice Links (Site-to-Site VPN, MPLS, Dark Fiber)
July 29, 2025
#network redundancy
#resilience
#interoffice communication
#VPN
#IPsec
#OpenVPN
#MPLS
#Dark Fiber
#SD-WAN
#BGP
#OSPF
#VRRP
#HSRP
#failover
#network
#branch offices
Redundancy of Interoffice Links (Site-to-Site VPN, MPLS, Dark Fiber)
We’ve already discussed how to ensure reliable connectivity within a single building. Now let’s look at a more complex but equally critical topic: redundancy of communication links between geographically distributed offices or branches. This is crucial for companies where employees across locations need to exchange data, access shared resources (such as a central CRM, file servers, or IP telephony), and work as a unified whole.