With respect to power generation, what are the relative advantages and disadvantages of fusion type and Fission type reactors?

Explanation

(i) Fusion requires high temperature. Controlled reaction is not yet obtained. Highly sophisticated technology will be required.
(ii) However, the fuel is easily available, cheap and causes very less pollution.
(iii) There is no problem of waste management.
(iv) Fission controlled chain reaction is possible. The technology is well developed and established.
(v) There also exists the problem of waste management.