receiver
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... discussing the sender's role and the receiver's role. Section 5
provides insights into the expected performance ...
... timer, and retransmit it if no ACK
arrives before the timeout. The receiver in turn returns an ACK when
the object has safely arrived and been delivered (BART = Buffers ...
... between the two endpoints, and (2) dynamic evaluation of the
deliverability of objects as they arrive at the receiver. In
addition, this RFC describes the mechanisms needed to (3) initiate a
connection ...
... segment size and secondly, the increased object sizes
will require significantly more buffer space at the receiver if we
want to buffer the object until it arrives in entirety.
...
... data flow from the sender and that
from the receiver, respectively.
For the partial ordering to commence, the TCP ...
... buffering/retransmission policy. The receiver modifications are more
significant, particularly the issues of object deliverability and
reliability ...
... Receiver ...
... determine the elements of this set and answer the question of
deliverability, the receiver relies upon the partial order matrix
but, unlike the sender, the receiver ...
... receiver relies upon the partial order matrix
but, unlike the sender, the receiver dynamically updates the matrix
as objects are processed thus making other objects (possibly already
buffered objects) deliverable as well. A check of the object type
...
... PO Graph
When object 5 arrives, the receiver scans column 5, finds that the
object is deliverable (since there are no 1's in the column) and
immediately delivers the object to the user application. Then, the
...
... service profile from earlier for the case where the size
of each object is 1 MByte and the receiver has only 2 MBytes of
buffer space (enough for 2 objects). Define a boolean vector ...
... segments sent along the receive-side of the
connection (from receiver to sender). Moreover, the
"piggyback_delay" timer ...
...
Returning to our example, let us now assume that object 1 and then 3
arrive at the receiver and object 2 is lost. After processing both
objects, the PO Matrix and Processed Vector ...
...
Two final details: (1) as with the sender, the receiver must
periodically establish or modify the PO service ...
... service profile and (2) upon
processing the last object in a period, the receiver must re-set the
PO matrix and Processed vector ...