janet network resilience - jisc · janet core network resilience – pops • ring topology –...
TRANSCRIPT
![Page 1: Janet Network Resilience - Jisc · Janet Core Network Resilience – PoPs • Ring topology – Fibre – Circuits • Each Regional Network connected to 2 core PoPs – Physically](https://reader033.vdocuments.site/reader033/viewer/2022051813/6031758915fb0e118247e088/html5/thumbnails/1.jpg)
Dave Tinkler Janet NOC
Janet Network Resilience
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• Definition of Resilience • Janet 6 Core Resilience
– Janet 6 Overview(Fibre and IP) – PoPs – Topology – Capacity – Equipment
Janet Network Resilience
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• The performance of the Janet IP Service is not affected by a single failure – Fibre duct or fibre – PoP power feed – PoP Environment – Equipment Component
• Line Card • Power Supply • Processor
– Internet Peering Router
Janet Network Resilience - Definition
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• Circuit Infrastructure – Dark Fibre – DWDM Equipment
• Core PoP • Transmission PoP • Amplifier PoP
• Janet IP Service (JIPS) – Core Routers (Juniper T4000) – Core PoPs – Regional Network Entry Points (RNEPS)
• 2 per region
Janet 6 Network Overview
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Janet 6 Fibre Network
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Janet 6 IP Network
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• Points of Presence PoPs • Topology • Capacity • Equipment
Janet Core Network Resilience
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• Power – 2 independent power feeds of the required capacity
• Core routers – 2 (6 X 100A DC) – Each feed has UPS and battery backup
• Cooling – Resilient Cooling of required capacity
• Core PoPs 24Kw • Transmission PoPs 4kW • Amplifier PoPs 1kW
• Fibre Entry Points – Minimum of 2 physically diverse entry ducts
Janet Core Network Resilience – PoPs
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• Ring topology – Fibre – Circuits
• Each Regional Network connected to 2 core PoPs – Physically Diverse
Janet Network Resilience - Topology
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Janet Core Network – Ring Topology
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Janet Core Network Resilience - Circuits
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Janet Core Network–Regional Network Connection
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• Multiple Internet Peering Points • Peering capacity in both Docklands PoPs to cope with core router
failure • Redundant capacity for fibre breaks
– Traffic flows South to North – East-West links for traffic resilience
Janet Network Resilience - Capacity
PoP Global Transit
Public Peerings
Private Peerings
London Docklands 2
40Gbps 40Gbps 80Gbps
London Docklands 3
40Gbps 40Gbps 80Gbps
Telecity Manchester
30Gbps 10Gbps 40Gbps
Leeds - 1Gbps -
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Janet Network Resilience – Peering Router
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Janet Network Resilience – Duct/Fibre Failure
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Janet Network Resilience Duct/Fibre Failure
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Janet Network Resilience – Duct/Fibre failure
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• Routing Equipment – Dual Power Supplies – Dual processors
• Non-stop routing • Graceful switchover
– Different Line cards per direction • Optical Equipment
– Dual Power Supplies – Dual processors – Different shelves per ‘fate sharing’ direction
Janet Network Resilience – Equipment
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Janet Network Resilience - Equipment
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• Janet 6 Core Resilience – Points of Presence PoPs – Topology – Capacity – Equipment
• Questions
Janet Network Resilience