force protocal encryption

Hi,
I could like to understand the SSL "force protocal encryption" on SQL 2000, if I do this:
1: how much extra resource it will take to do encryption?
2: What certificate should we use, must we use certicate from public certification authority?
3: how will the client side affected after I turn on force protocal encryption? should it be transparent to them if we install public certificate on the server?
4: Can client still connect to server using IP address, or must FQDN is required?
Thanks
Frank
I follow the MS link below and trying to Request New Certificate for SSL using MMC, however, I cannot see "Request New Certificate" from the MMC (under How to Configure the MMC Snap-in-->2-->b)
Is there other way to request a verisign certificate except from certificate server?
Thanks
Frank
How to enable SSL encryption for SQL Server 2000 with Microsoft Management Console
http://support.microsoft.com/kb/316898/EN-US/
"Frank" <signup0702@.sina.com> wrote in message news:eEbJe85AFHA.1400@.TK2MSFTNGP11.phx.gbl...
Hi,
I could like to understand the SSL "force protocal encryption" on SQL 2000, if I do this:
1: how much extra resource it will take to do encryption?
2: What certificate should we use, must we use certicate from public certification authority?
3: how will the client side affected after I turn on force protocal encryption? should it be transparent to them if we install public certificate on the server?
4: Can client still connect to server using IP address, or must FQDN is required?
Thanks
Frank