The service footprint of service provides can increase and gain advantage with
the combination of VPN architectures and their strengths. Certain network based
VPN solutions combines the VPN architecture for enabling service providers to
expand their VPN portfolio with remote access bundled with on-net and off-net
security and remote site-to-site services.
Essential Attributes of VPNs:
Cost-effective, secure connectivity over a shared infrastructure with the same
policies and service attributes within a dedicated private network is the
service goal of VPNs. For the purpose of attaining this goal, a VPN solution
the following mandatory attributes need to be delivered:
- quality of service
- ease of management
- security
- highly availability and
- scalability
The VPN architecture provides
-security by protecting against intrusion and tampering and isolating every
customer’s data
- high availability of reliable and timely delivery of data
- scalability which adapts changing bandwidth and connectivity needs
