throughput
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... call setup or per-packet charges, while others do not do usage-based
charging. Throughput and delay also vary widely. Often there are
tradeoffs: the path that provides the highest throughput may well not
...
... charging. Throughput and delay also vary widely. Often there are
tradeoffs: the path that provides the highest throughput may well not
be the one that provides the lowest delay or the lowest monetary
cost. Therefore, the "optimal" path for a packet to follow through
...
...
1000 -- minimize delay
0100 -- maximize throughput
0010 -- maximize reliability
...
... sending side of a bulk data transfer application should request
that throughput be maximized, whereas the receiving side might
request that delay be minimized (assuming that it is primarily
...
... SMTP (3)
Command phase 1000 (minimize delay)
DATA phase 0100 (maximize throughput)
----- Type-of-Service ...
... 0000 (all normal) Use default metric
1000 (minimize delay) Use delay metric
0100 (maximize throughput) Use default metric
0010 (maximize reliability) Use reliability ...
... reliability
6 0011
8 0100 maximize throughput
10 0101
12 0110
...
... TOS field to request that
the network choose a path which maximizes throughput, but
cannot use that mechanism to say that it needs or wants a
particular number of kilobytes or megabytes per second ...
... requires, it would be inappropriate for the network to decide
to discard a packet which requested maximal throughput
because no "high throughput" path was available.
...
... to discard a packet which requested maximal throughput
because no "high throughput" path was available.
The inability to provide resource guarantees is a serious drawback
...