MineThree frames (frame #1, frame #2 and frame #3) arrive at the ingress port of the WAN switch. Frame #1 = 900B in size arrives at t=0 sec. Frame #2 = 400B in size arrives at t=0.25 sec. Frame #3 =1000B in size arrives at t=0.50 sec. a)(4%) what color does the policer mark frame #1 with and does it drop or forward it? Show your work.
b)(4%) what color does the policer mark frame #2 with and does it drop it? Show your work.
c)(4%) what color does the policer mark frame #3 with and does it drop it? Show your work
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8.Answer the following question related to a UNI interface of a Carrier Ethernet network (assume the UNItraffic profile supports two rate, three colors (trTCM)).a)(2%) If the ingress user data rate > CIR + EIR with nonetwork congestion, how does the carrier Ethernet network respond?
b)(2%) If the ingress user data rate > CIR + EIR with network congestion, how does the carrier Ethernet network respond?
c)(2%) If the ingress user data rate > CIR but < CIR + EIR with no network congestion, how does the carrier Ethernet network respond?
d)(2%) If the ingress user data rate > CIR but < CIR + EIR with network congestion, how does the carrier Ethernet network respond?
TDC 460 Homework 02
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TDC-460 Fall 2017
Mine
9.In class, we discussed traffic shaping and traffic policing (aka traffic conditioning). a)(2% )Describe the difference in objectives (in a sentence or two) between traffic shapingand traffic policing
b)(2%) Which is generally applied at the ingress switch/router interface and which is generally appliedat the egress switch/router interface?
c)(2%) Which incurs more latency due to queuing?
TDC 460 Homework 02
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- Summer '15
- Josephcinici
