New network environments

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New network environments

description

New network environments. Classification of Network environments. Bridging ( Loops deadly!) IP networks Infrastructure Wireless Mobile Ad –hoc (Never Converge). Increasing stringency. Multicast FRR. Killer ap for FRR? Need really fast recovery - PowerPoint PPT Presentation

Transcript of New network environments

Page 1: New network environments

New network environments

Page 2: New network environments

Classification of Network environments

• Bridging (Loops deadly!)

• IP networks

• Infrastructure Wireless

• Mobile Ad –hoc (Never Converge)

Increasing stringency

Page 3: New network environments

Multicast FRR

• Killer ap for FRR?– Need really fast recovery

• 1+1 (avoids i-frame dropping, but doubles bandwidth usage)• FRR (may not be good enough – I-frames

– Severe bandwidth usage constraints• Need to minimize copies

– May be able to take advantage of quasi-static group membership

– Problem of loss of state on node failure– Pim joins over repair at failure time?

Page 4: New network environments

Other issues

• Opportunities of IPV6?

• Are there any other possible IPFRR solutions– 100% LFA network?– ALL current solutions essentially involve

forcing a packet over an unnatural path (alternate topology) by some information that give a hint of the actual failure.


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