RE: threats ID

["Ayyasamy, Senthilkumar \(UMKC-Student\)" <saq66@umkc.edu>]

>> So in some meaningful sense, IPSEC is above the IP layer,
>> even if there is a document telling us that we're not supposed to
>> think about it that way.
>
> Hugh? Your point was not technical but lack of IETF consensus.
 
ok. Can you provide a citation (RFC) which illustrates your 
statement:
 
   > There is no such thing as layer 3.5.
   > Network layer solutions are at layer 3, 
   > transport layer solutions are at layer 4. 
   > PERIOD   
 
As another example, transport advertises that it is ECN enabled
but congestion notification is given by the routers at network
level.