SHA is another encryption algorithm that generates a digital signature, but it slightly more secure than MD5. It creates a 160-bit string that is more difficult to attack, but takes longer to generate. Preshared Keys A preshared key is a secret key used to authenticate each device during IKE negotiation as an configurable alternative to using Certificates. It is distinct from the keys used to encrypt data, which are calculated separately by the devices involved. To deliver full management of VPN services, specialized management functionality is required.
Activation is the very latest in automatic service installation and management support.
The VA Service Managed Controller solution enables zero touch total knowledge provisioning and on-going management of both the VA Managed Service Gateway and Virtual Private Networks from a central site. Virtual Private Services management allows groups of customer devices to be managed as a single network entity. Devices can be added and removed and the associated configuration changes required for the remaining devices updates automatically to maintain the service. Device Profiling Using the concept of Device Profiling it is possible to use a set of applications to simplify and speed up the process of building device configurations specific to individual customer needs. At the heart of the automatic configuration is the Service Profile, a baseline configuration that provides the common attributes that characterize a service.