1/27/2024 0 Comments Fault tolerant encryptoThe IKE identity of the initiator is derived from the source IP of the initial IKE message, and this will remain the same. Multiple IKE identity design involves two different peer IP addresses, one peer for each physical access link. However, access link redundancy requires designers to deploy either Multiple IKE identities or Single IKE identities. Usually, the backbone is controlled by a 3rd-party provider, ensuring IPsec gateways trust redundancy and high availability methods applied by separate administrative domains.Īdding a second link to terminate IPsec sessions and enabling both links for IPsec termination improves redundant architectures. It does not deploy its underlying packet-forwarding mechanism and relies on backbone IP packet-routing functions. IPsec uses an underlying backbone network for endpoint connectivity. Diagram: IPsec fault tolerance with multiple areas to consider. Both protocols use cryptographic algorithms for authenticated integrity services Encapsulation Security Payload provides encryption services in combination with authenticated integrity. IPsec provides security services using two protocols, the Authentication Header and Encapsulating Security Payload. The tunnel can be protected by various means, such as integrity and confidentiality. IPsec establishes tunnels between endpoints these can also be described as peers. With the integration of these components, we get the required security services that protect the traffic for unauthorized observers. There are several components exist used to create and maintain an IPsec session. A key point: Back to basics with the concept of IPsec.Failure components include the Backbone network, Access links, and IPsec gateway.įor additional pre-information, you may find the following helpful Design each element with redundancy in mind. To achieve an IPsec fault tolerance, the diagram below displays-individual components that are susceptible to failure. Potential options include Reverse Route Injection (RRI) with the ability to inject static routes automatically inserted into the routing process for those networks and hosts protected by a remote tunnel endpoint. ![]() Key considerations need to include asymmetric routing, where a packet traverses from a source to a destination in one path and takes a different path when it returns to the source. Optimum end-to-end IPsec networks require IPsec fault tolerance in several areas for ingress and egress traffic flows.
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