Unimark EC3000 Series Spezifikationen PDF herunterladen (Seite 173)

AIMS Attachment A: AIMS Statement of Work

Page 113 of 130

system maintenance, the end device that requires the maintenance

shall be brought down during non-peak hours of operation.

v It shall be acceptable to perform maintenance/updates on an end

device computer system during other than non-peak hours if the

particular end device is non-functional without having the

maintenance or updates performed.

C. Performance Requirements

1. The system shall be capable of supporting the AIMS within the

performance requirements as outlined herein.

2. The performance requirements in this section are for system design

and testing and not service response time.

3. Capacity: The AIMS shall be designed to support the operational,

functional, and performance requirements, specified herein, for a

minimum of 400 flight operations per hour and 40 different airlines with

a total of 200 users simultaneously conducting 60 user operations per

minute with a minimum of 750 end devices being updated.

4. Response time criteria shall be met under maximum capacity

conditions as defined above.

5. External System Interface: The total additional delay for a transaction

between an AIMS workstation to an external system shall not exceed

1.5 seconds for 95 percent of all transactions. The remaining 5

percent of delays shall not exceed 3.0 seconds.

6. Database Transactions: For 95 percent of database transactions, there

shall be no more than a 0.5 second delay between the time that a user

selects an action and the system responds in some way that the input

has been received. The remaining 5 percent of transactions shall not

exceed 1.0 second.

7. Peripheral Command: For 95 percent of peripheral commands, there

shall be no more than a 3.0 second delay between the time that a user

selects an action and the associated peripheral responds to the

request. The remaining 5 percent of command responses shall not

exceed 5.0 seconds.

8. Peripheral Configuration: For 95 percent of peripheral configuration

changes, there shall be no more than a 6.0 second delay between the

time that a user selects an action and the associated peripheral

responds to the request. The remaining 5 percent of peripheral

configuration changes shall not exceed 10.0 seconds.

9. Display: For 95 percent of dynamic display device changes, there

shall be no more than a 30.0 second delay between the time that a

Exhibit 3

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Unimark EC3000 Series Spezifikationen Seite 173