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"T" |
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Term
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ToS Field
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Definition
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A 4-bit field in the header of IPv4 network packets.
Allows values from 0 to 15 to be assigned to each packet of network traffic in order to request special handling (for example, minimize delay, maximize throughput). The ToS field is being phased out in favor of Differentiated Services Code Point (DSCP) (see RFC 1349)
TOS field values (from iana)
TOS Value Description Reference
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0000 Default [Obsoleted by RFC2474]
0001 Minimize Monetary Cost [Obsoleted by RFC2474]
0010 Maximize Reliability [Obsoleted by RFC2474]
0100 Maximize Throughput [Obsoleted by RFC2474]
1000 Minimize Delay [Obsoleted by RFC2474]
1111 Maximize Security [Obsoleted by RFC2474]
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Also
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QoS
Type of Service
TCP/IP
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