Диплом: Сетевая телефония 
/p>
2. Возможность использования недорогих соединительных линий между
офисами (Voice-over-IP)
| GDK-162 | NBX100 | Tele Vantage | OmniPCX4400 | (Паij)^(1/4) | X(i)= | S(i)*x(i) | | GDK-162 | 1.0000 | 0.5 | 1 | 0.5 | 0.707 | 0.165 | 0.99 | | NBX100 | 2 | 1.0000 | 2 | 2 | 1.682 | 0.393 | 0.9825 | | Tele Vantage | 1 | 0.5 | 1.0000 | 0.5 | 0.707 | 0.165 | 0.99 | | OmniPCX4400 | 2 | 0.5 | 2 | 1.0000 | 1.189 | 0.277 | 1.108 | | 6 | 2.5 | 6 | 4 | 4.285 | 1 | 4.071 | | S1= | S2= | S3= | S4= | SU= | | lmax= | | g = 0.9 | a = 0.0237 | b= 0.0263 | | | | |
3. Количество портов
| GDK-162 | NBX100 | Tele Vantage | OmniPCX4400 | (Паij)^(1/4) | X(i)= | S(i)*x(i) | | GDK-162 | 1.0000 | 2 | 0.5 | 0.2 | 0.669 | 0.122 | 1.037 | | NBX100 | 0.5 | 1.0000 | 0.333 | 0.2 | 0.427 | 0.078 | 0.858 | | Tele Vantage | 2 | 3 | 1.0000 | 0.2 | 1.047 | 0.191 | 1.305 | | OmniPCX4400 | 5 | 5 | 5 | 1.0000 | 3.344 | 0.609 | 0.974 | | 8.5 | 11 | 6.833 | 1.6 | 5.487 | 1 | 4.174 | | S1= | S2= | S3= | S4= | SU= | | lmax= | | g = 0.9 | a = 0.058 | b= 0.064 | | | | |
Приоритет локальных критериев по техническим характеристикам
| Надежность | Возможность использования недорогих соединительных линий между офисами (Voice-over-IP) | Количество портов | (Паij)^(1/4) | X(i)= | S(i)*x(i) | | Надежность | 1.0000 | 3 | 4 | 2.289 | 0.625 | 0.99 | Возможность использования недорогих соединительных линий между офисами (Voice-over-IP) | 0.333 | 1.0000 | 2 | 0.874 | 0.238 | 1.073 | | Количество портов | 0.250 | 0.5000 | 1.0000 | 0.5 | 0.137 | 0.956 | | 1.583 | 4.5 | 7 | 3.663 | 1 | 3.018 | | S1= | S2= | S3= | SU= | | lmax= | | g = 0.58 | | a = 0.009 | b= 0.016 | | |
III. Сравнение вариантов по экономическому критерию
1. Стоимость порта
| GDK-162 | NBX100 | Tele Vantage | OmniPCX4400 | (Паij)^(1/4) | X(i)= | S(i)*x(i) | | GDK-162 | 1.0000 | 2 | 6 | 9 | 3.224 | 0.531 | 0.944 | | NBX100 | 0.5 | 1.0000 | 5 | 7 | 2.045 | 0.337 | 1.127 | | Tele Vantage | 0.167 | 0.2 | 1.0000 | 2 | 0.508 | 0.083 | 1.038 | | OmniPCX4400 | 0.111 | 0.143 | 0.5 | 1.0000 | 0.298 | 0.049 | 0.931 | | 1.778 | 3.343 | 12.5 | 19 | 6.075 | 1 | 4.04 | | S1= | S2= | S3= | S4= | SU= | | lmax= | | g = 0.9 | a = 0.013 | b= 0.014 | | | | |
2. Стоимость обслуживания
| GDK-162 | NBX100 | Tele Vantage | OmniPCX4400 | (Паij)^(1/4) | X(i)= | S(i)*x(i) | | GDK-162 | 1.0000 | 0.5 | 2 | 5 | 1.495 | 0.288 | 1.066 | | NBX100 | 2 | 1.0000 | 3 | 7 | 2.546 | 0.49 | 0.968 | | Tele Vantage | 0.5 | 0.333 | 1.0000 | 3 | 0.841 | 0.162 | 1.026 | | OmniPCX4400 | 0.2 | 0.143 | 0.333 | 1.0000 | 0.312 | 0.06 | 0.96 | | 3.7 | 1.976 | 6.333 | 16 | 5.194 | 1 | 4.02 | | S1= | S2= | S3= | S4= | SU= | | lmax= | | g = 0.9 | a = 0.0067 | b= 0.0074 | | | | |
3. Стоимость установки
| GDK-162 | NBX100 | Tele Vantage | OmniPCX4400 | (Паij)^(1/4) | X(i)= | S(i)*x(i) | | GDK-162 | 1.0000 | 0.5 | 0.5 | 2 | 0.841 | 0.189 | 1.04 | | NBX100 | 2 | 1.0000 | 1 | 3 | 1.565 | 0.351 | 0.994 | | Tele Vantage | 2 | 1 | 1.0000 | 3 | 1.565 | 0.351 | 0.994 | | OmniPCX4400 | 0.5 | 0.333 | 0.333 | 1.0000 | 0.485 | 0.109 | 0.981 | | 5.5 | 2.833 | 2.833 | 9 | 4.456 | 1 | 4.009 | | S1= | S2= | S3= | S4= | SU= | | lmax= | | g = 0.9 | a = 0.003 | b= 0.0033 | | | | |
Страницы: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19
|
|
