Network Dictionary — Tuple
September 23, 2008 by Greg Ferro · Leave a Comment
Tuple
1. English term that is used to refer to a “number set” of things. Thus quintuple and sextuple are examples representing a “five set” and “six set” respectively..
2. Used generically to describe a IP connection data set, thus, IP/Mask/Next Hop is known as the routing tuple, Source IP / Source Port / Destination IP / Destination Port is referred to as an IP Flow tuple, and
The IP routing tuple is network / subnet / next hop.
A host IP tuple is IP / mask / gateway (although some would corrupt the purity of IP with DNS entries in the data set.
I use this often in thinking over design and in documentation as it saves lot of typing.
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Term used to describe that a route has had it metric modified to make it higher cost and therefore not the preferred route to a given destination. Proabably derived from boxing concept of “knocking it out”.
Examples:
“having the route through the network to the VIP’s relevant VLAN slugged.”
“The routing table entry has been slugged by adding a 20 microsecond delay to the routing metrics for EIGRP to the standby context MSFC. This ensures the optimum route is stored in the routing table and the data follows the optimum route to the active context.”
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