disadvantages of pon topology

[mattas_sunny]

To get more information about the topic "pon topologies " please refer the page link below

http://seminarsprojects.net/Thread-pon-topologies--1856

http://seminarsprojects.net/Thread-pon-t...s-networks

[sha143]

my self satya prakash persuing B.Tech final year from VTU University and i selected my seminar topic as pon topologies regarding which i need disadvantages of this pon topologies

[varunhalflife]

please send me detailed about disadvantages of pon topologies