|
@@ -36,11 +36,11 @@ Datagram vs Connected modes
|
|
|
fabric with a 2K MTU, the IPoIB MTU will be 2048 - 4 = 2044 bytes.
|
|
|
|
|
|
In connected mode, the IB RC (Reliable Connected) transport is used.
|
|
|
- Connected mode is to takes advantage of the connected nature of the
|
|
|
- IB transport and allows an MTU up to the maximal IP packet size of
|
|
|
- 64K, which reduces the number of IP packets needed for handling
|
|
|
- large UDP datagrams, TCP segments, etc and increases the performance
|
|
|
- for large messages.
|
|
|
+ Connected mode takes advantage of the connected nature of the IB
|
|
|
+ transport and allows an MTU up to the maximal IP packet size of 64K,
|
|
|
+ which reduces the number of IP packets needed for handling large UDP
|
|
|
+ datagrams, TCP segments, etc and increases the performance for large
|
|
|
+ messages.
|
|
|
|
|
|
In connected mode, the interface's UD QP is still used for multicast
|
|
|
and communication with peers that don't support connected mode. In
|