Fortigate x Cisco Comparison

A 5520 is a older  cisco appliance. The real question should be;

1: do you need HA ( dual power, etc...)

2: topoloy ( interface speed type..... copper|fiber....all1gige or  do you need 10gige }

3: current session counts

4: planned max session counts

5: do you need vpn if yes what types { ssl|ipsec }

6: do you need nextgenfw  supported features ( URL IPS/IDS, SSL-inspection etc....)

7: Do you need  or have logging off-appliance

Ken