Common use of Measurement Methodology Clause in Contracts

Measurement Methodology. For each CE router, Router Availability is measured through the collection every 5 minutes of the Serial Interface Status parameters in the Cisco MIB and is reported in the IP VPN Monthly QOS Performance Report. The administration server via the SITA PE Router through which the WLP CE Router is connected carries out measurement. For sites without backup or sites with ISDN Dial Backup to the same SITA Access Node (does not include Warm Standby using PPP Dial to separate Network Access Server), Site Availability is equal to Router interface Availability For sites with MCS Topology the Site is considered as not available if the two routers interfaces are not available during the same five minutes time interval. Example: 10/01/99 00h05 Up Up Up 10/01/99 00h10 Down Up Up 10/01/99 00h15 Up Down Up 10/01/99 00h20 Down Down Down

Measurement Methodology. For each CE router, Router Availability is measured through the collection every 5 minutes of the Serial Interface Status parameters in the Cisco MIB and is reported in the IP VPN Monthly QOS Performance Report. The administration server via the SITA PE Router through which the WLP WSL CE Router is connected carries out measurement. For sites without backup or sites with ISDN Dial Backup to the same SITA Access Node (does not include Warm Standby using PPP Dial to separate Network Access Server), Site Availability is equal to Router interface Availability For sites with MCS Topology the Site is considered as not available if the two routers interfaces are not available during the same five minutes time interval. Example: 10/01/99 00h05 Up Up Up 10/01/99 00h10 Down Up Up 10/01/99 00h15 Up Down Up 10/01/99 00h20 Down Down Down