Details

Autor(en) / Beteiligte

• Bovio, Daniele

Titel

The regionalization of EARN

Ist Teil von

• Computer networks and ISDN systems, 1992, Vol.25 (4), p.546-553

Ort / Verlag

Amsterdam: Elsevier B.V

Erscheinungsjahr

1992

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• During 1991 the EARN Network decided to reorganize its NJE routing following a plan issued by the EARN Routing Project Group. The EARN-RPG plan (also EARN 2) is based on the separation of the network into regions, mainly following the model already adopted by BITNET for the definition of the BITNET II network. The criteria followed for the division are based on the density of nodes, traffic, and need of services in the area. The regions are connected through a set of EARN sites (called “core sites”) located at strategic positions from the point of view of traffic patterns and connectivity, with the ability to have virtual NJE links among them and in some cases NJE/IP links with selected partners on the BITNET II core. The main goal of EARN 2 is to improve the performance of the whole network reducing the load on the key backbone sites in Europe and exploiting several existing IP lines between the USA and European network organizations like NORDUNET, JANET and others. These two aims were achieved through the second half of 1991. Thanks to EARN2, better services are now available for the users. The statistical network performance. The EARN2 goal for 1992 is to implement the BITNET II approach with full connectivity among the core sites. A full mesh configuration is the logical further step of the regionalization process. It is highly desirable because, besides the overall improvement of services already achieved, it facilitates network management at the routing level both inside Europe and with BITNET and the other Cooperating Networks.