In this work we investigate a new solution dealing with the increase of IP networks energy efficiency. The starting point of this work is Table Lookup Bypass (TLB), a new mechanism to reduce the energy consumption of a linecard overcoming the simple switch-off of network elements: TLB consists in bypassing the lookup operation performed by a router linecard and forwarding the incoming packets on a fixed outgoing interface. The paper defines four different heuristics able to detect a set of TLB operations that can be performed maintaining QoS constraints. The performance evaluation realized on a real network scenario shows that TLB can really improve the energy efficiency of IP network, both during peak hours and off peak hours: in this last case up to 90% of linecards can pass in TLB state. © 2013 IEEE.

A heuristic approach to solve the Table Lookup Bypass problem / Cianfrani, Antonio; Coiro, Angelo; Listanti, Marco; Polverini, Marco. - STAMPA. - (2013), pp. 1-5. ((Intervento presentato al convegno 2013 24th Tyrrhenian International Workshop on Digital Communications - Green Information and Communications Technology, TIWDC 2013 tenutosi a Genoa nel 23 September 2013 through 25 September 2013 [10.1109/tiwdc.2013.6664192].

A heuristic approach to solve the Table Lookup Bypass problem

CIANFRANI, Antonio;COIRO, ANGELO;LISTANTI, Marco;POLVERINI, MARCO
2013

Abstract

In this work we investigate a new solution dealing with the increase of IP networks energy efficiency. The starting point of this work is Table Lookup Bypass (TLB), a new mechanism to reduce the energy consumption of a linecard overcoming the simple switch-off of network elements: TLB consists in bypassing the lookup operation performed by a router linecard and forwarding the incoming packets on a fixed outgoing interface. The paper defines four different heuristics able to detect a set of TLB operations that can be performed maintaining QoS constraints. The performance evaluation realized on a real network scenario shows that TLB can really improve the energy efficiency of IP network, both during peak hours and off peak hours: in this last case up to 90% of linecards can pass in TLB state. © 2013 IEEE.
2013 24th Tyrrhenian International Workshop on Digital Communications - Green Information and Communications Technology, TIWDC 2013
table lookup; quality of service; telecommunication network routing; energy conservation; ip networks
04 Pubblicazione in atti di convegno::04b Atto di convegno in volume
A heuristic approach to solve the Table Lookup Bypass problem / Cianfrani, Antonio; Coiro, Angelo; Listanti, Marco; Polverini, Marco. - STAMPA. - (2013), pp. 1-5. ((Intervento presentato al convegno 2013 24th Tyrrhenian International Workshop on Digital Communications - Green Information and Communications Technology, TIWDC 2013 tenutosi a Genoa nel 23 September 2013 through 25 September 2013 [10.1109/tiwdc.2013.6664192].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/536406
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