Nokia Layer 2 VPN and Layer 3 VPN Services
In this article we will talk about Service types used in Nokia Service Routers.
Why Nokia use “Service Router” term for their service routers? This is because, different services to customers are given on these routers.
Services that are given with Service Routers can be divided to two group. One is providing “internetconnection” to customer. The other group provide L2/L3 VPN services to customers.
The internet connection is provided with “IES(Internet Enhanced Service)” throught service routers. The VPN connection is provided under three service. These services are VPWS (Virtual Private Wire Service), VPLS (Virtual Private LAN Service) and VPRN (Virtual Private Routed Network). VPWS and VPLS are L2 VPN service. VPRN is Layer 3 VPN service.
To sum up the services given under Alcatle-Lucent service routers, let’s check these services orderly.
IES (Internet Enhanced Service)
It is the layer 3 direct internet access service to the customer that an IP interface is assigned to the customer for internet connectivity. The logical view of IES is below:
Customer do not see these services, they think that they has a internet connection only. The customer view of IES is also below:
VPWS (Virtual Private Wire Service)
It is a layer 2 point-to-point service. VPWS has also some sub types like Epipe, Apipe, Fpipe, Cpipe and Ipipe.The logical viev of VPWS is below:
VPLS (Virtual Private LAN Service)
It is a layer 2 multipoint-to-multipoint service. From customer perspective VPLS is like connecting sites to the different ports of a switch. The logical view of VPLS is below:
VPRN (Virtual Private Routed Network)
It is a layer 3 multipoint-to-multipoint service. From customer perspective VPRN is like connecting sites to the different ports of a router.The logical view of VPRN is below:
This article is only, a basic look up to Nokia service types. In the following articles, we will deeply explore the services. Keep on ipcisco.com;)