Disaster handling requires communication services, and the impact of a disaster could be greatly limited by having available communication services. Based on your location, some of the services may not be available, or may only be available with limited bandwidth. The backup service must be compatible, and in some cases additional interfaces for routers, switches, adapters, and protocols are required. Having support services from your major vendors in place adds a strong value to disaster recovery planing. For example, specific managed hot standby sites or on-site services with rapid response times can significantly ease disaster recovery.
Most vendors have experience handling disaster situations and can offer additional support.
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