This chapter contains sections titled:
Token Buckets
Traffic Bursts
Dual‐Rate Token Buckets
Shapers and Leaky Buckets
Excess Traffic and Oversubscription
Comparing and Applying Policer and Shaper Tools
Conclusion
Reference
Policing and Shaping
QOS‐Enabled Networks ; 107-121
2011-01-07
15 pages
Article/Chapter (Book)
Electronic Resource
English
policer, limiting input traffic ‐ to a certain bandwidth limit , absorbing traffic bursts ‐ traffic burst, as abrupt variation in traffic pattern , token bucket, and its workings ‐ two values configured in a policer, bandwidth limit and burst size limit , capability of policer for burst absorption ‐ connected to credits in token bucket , shapers and leaky buckets, a shaper implemented ‐ using a leaky bucket concept, called delay buffer , A token bucket, using concept of credits ‐ credit consumption of transmitting a packet, function of its size , policer, implemented using a token bucket algorithm ‐ and two key parameters , full operation of token bucket ‐ depleted of credits, actively refilled with credits , policing and shaping ‐ policer and shaper tools as black boxes, mechanics of tools , black box, policer operation, straightforward ‐ at ingress, traffic flow with certain bandwidth value
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