SURFnet7 explained. SNE, 18 maart 2015 Wouter Huisman
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1 SURFnet7 explained SNE, 18 maart 2015 Wouter Huisman
2 SURFnet7: Scalable network Institute Institute Routed IP Applica'on Applica'on Eduroam Applica'on (Layer 3) Applica'on Eduroam Applica'on Applica'on Service Next Generation Ethernet (Layer 2) Service Bandwidth Optical Transport (Layer 0/1) Bandwidth 2
3 Transport layer SURFnet6
4 Juniper T-series: 4/2
5 Ciena OM5200: 20
6 Nortel MERS 8600: 20
7 Ciena OME6500: 100
8 Ciena CPL: 100
9 Nortel OME1010/1060: 350
10 What to optimize of SURFnet6? And make SURFnet7 simple
11 Concepts in the SURFnet7 tender Single technology end-2-end transport Remove as many OEO as possible Introduce 40G and 100G Improve the BoD solution Selected Ciena CES solution 5410, 3930, 5150 Based on PBB-TE
12 PBB-TE Carrier Ethernet technology Connection oriented Ethernet Tunnels with protection mechanism Services transported through PBB-TE tunnels Customer data is encapsulated at the edges Transparent and scalable
13 PBB-TE Protection Connection Oriented Ethernet Primary & Backup Tunnels Monitored via 802.1ag CCMs CCMs configurable for 10 msec intervals MEP A MEP C Ingress PBB-TE Edge Bridge Primary Tunnel Protected Node MEP B MEP D Egress PBB-TE Edge Bridge 13
14 Tunable XFP & OTN XFP CES CPL DWDM OADM Transponder No transponder shelves required Tunable DWDM XFP used Save on power, footprint, OAM ~25% of the links require G.709
15 Scalability issue Uptake lightpath services was significant Technology limitation Bandwidth claimed for 100%, even though not all used. Single service per port!
16 Statistical Multiplexing a EIR CIR a b c b c a,b,c a b c 16
17 One or more services on a single port Single Service Port (SSP) - One service, one port Multi Service Port (MSP) - Multiple network services, one port - Efficient use of interfaces SURFinternet SURF-lightpath SURF-lightpath OnDemand lightpath Free 10 Gbit/s MSP Interface 2 Gbit/s 1 Gbit/s 2 Gbit/s 3 Gbit/s 2 Gbit/s 17
18 BoD in SURFnet7 NOC engineer User Applica/on NSI Inter Domain NSI GUI GUI SURFnet7 BoD MTOSI SURFnet7 NMS API Iden'ty Provider Group Provider 18 18
19 Lightpath Transparent Guaranteed Bandwidth Minimal jitter and latency Behaves like a patch cord
20 Behaves like a patch cord Remote Port shutdown / Virtual Link Loss Indication (VLLI) Port down Port down Service- level 802.1ag CCMs
21 Behaves like a patch cord Port down Service- level 802.1ag CCMs BGP can respond to the portstate, without the BGP keepalive timer being timed out, thus very quick.
22 Ciena CESD solution
23 Tiered Network Architecture
24 Tiered Network Architecture
25 Tiered Network Architecture
26 Tiered Network Architecture
27 Tiered Network Architecture
28 Fiber From physical to logical layers
29 From physical to logical layers Links Fiber
30 From physical to logical layers Aggregates Links Fiber
31 From physical to logical layers PBB- TE Tunnels Aggregates Links Fiber
32 From physical to logical layers Services PBB- TE Tunnels Aggregates Links Fiber
33 From physical to logical layers Services PBB- TE Tunnels Aggregates Links Fiber
34 Bandwidth guarantee A xgb/s protected lightpath from A to B 1. Remove all links from the map with insufficient bandwidth available 2. Find shortest path by OSPF route algorithm 3. Remove primary path 4. Find secundary shortest path by OSPF route algorithm 5. Confirm tunnel and claim bandwidth in database A B
35 Bandwidth guarantee A xgb/s protected lightpath from A to B 1. Remove all links from the map with insufficient bandwidth available 2. Find shortest path by OSPF route algorithm 3. Remove primary path 4. Find secundary shortest path by OSPF route algorithm 5. Confirm tunnel and claim bandwidth in database 6. Create service on the selected tunnel A B
36 Fiber SPoF analyse in CMDB In CMDB the fiber routes are administered Each fiber is analyzed against other fibers SPoFs are listed and exported to the NMS These SRLG (Shared Risk Link Groups) of the primary path are used to filter out the protection path options while performing the path computation
37 SPoF analyse in SURFnet7 SURFnet7 NMS CMDB
38 Bandwidth guarantee A xgb/s protected lightpath from A to B 1. Remove all links from the map with insufficient bandwidth available 2. Find shortest path by OSPF route algorithm 3. Remove primary path 4. Remove all SPoFs 5. Find secundary shortest path by OSPF route algorithm 6. Confirm tunnel and claim bandwidth in database A B
39 Bandwidth guarantee A xgb/s protected lightpath from A to B 1. Remove all links from the map with insufficient bandwidth available 2. Find shortest path by OSPF route algorithm 3. Remove primary path 4. Remove all Spofs 5. Find secundary shortest path by OSPF route algorithm 6. Confirm tunnel and claim bandwidth in database 7. Create service on the selected tunnel A B
40 Creating a tunnel A C Startnode B Transit node Z Transit node Endnode virtual-switch create vs TRANSIT-1334 pbt transit create pbt-transit TRANSIT-1334_503 parent-port 5/3 pbt transit add pbt-transit TRANSIT-1334_503 class-element 1 bvid 1334 virtual-switch vlan interface create vlan attach 1337 pbt-transit name TRANSIT-1337 TRANSIT-1334_503 vs TRANSIT-1334 vlan add vlan 1337 port 3.1 pbt transit vlan create add pbt-transit vlan 1337 port TRANSIT-1334_101 to_asd001a_5410_01t_l1 parent-port 1/1 pbt transit add pbt-transit TRANSIT-1334_101 class-element 1 bvid 1334 virtual-switch interface attach pbt-transit TRANSIT-1334_101 vs TRANSIT-1334
41 Creating a tunnel A C Startnode B Transit node Transit node Z Endnode pbt tunnel-group create group DH5150_5410s tunnel-sync on pbt encap-tunnel create static-encap P_DH5150_5410s tunnel-group DH5150_5410s pair-index 4 port to_asd001a_5150_02t_l1 bvid 1333 destbridge-name Asd001A_5150_02 weight 6 pbt decap-tunnel create static-decap P_DH5150_5410s tunnel-group DH5150_5410s pair-index 4 port to_asd001a_5150_02t_l1 bvid 1333 srcbridge-name Asd001A_5150_02 cfm service create static-encap P_DH5150_5410s name PBT-1333 next-mepid 1333 level 2 cfm service set service PBT-1333 ccm-interval 100ms alarm-time 0 cfm service enable service PBT-1333
42 Creating a service A C Startnode B Z Endnode virtual-circuit pbt create static-vc 3669IP tunnel 1Hedr1_Asd_D egress-isid ingress-isid virtual-circuit pbt set static-vc 3669IP retain-stag yes virtual-switch add reserved-vlan 150 virtual-switch ethernet create vs 3669IP vc 3669IP reserved-vlan 150 virtual-switch ethernet set vs 3669IP description "3669IP" virtual-switch ethernet set vs 3669IP encap-cos-policy fixed encap-fixed-dot1dpri 3! MTU size increased to 9190 for CN 5150 Hedr001A_5150_01 port 1.1 port set port 1.1 max-frame-size 9190 port set port 1.1 vs-ingress-filter off virtual-switch ethernet add vs 3669IP port 1.1 port set port 1.1 acceptable-frame-type all untagged-data-vs 3669IP aggregation set port 1.1 agg-mode manual lldp set port 1.1 mode rx-only notification off virtual-switch ethernet set port 1.1 vs 3669IP encap-cos-policy fixed encap-fixed-dot1dpri 3 traffic-profiling set port 1.1 mode standard-dot1dpri traffic-profiling standard-profile create port 1.1 profile 1 name 3669IP01 cir 0 cbs 16 pir ebs 64 traffic-profiling set port 1.1 nonconform-standard-profile 3669IP01 traffic-profiling enable port 1.1 cfm service create vs 3669IP name 3669IP next 1 level 4 cfm service set service 3669IP alarm-priority 3 cfm service set service 3669IP alarm-time cfm service set service 3669IP reset-time 3000 cfm service set service 3669IP ccm-interval 1s cfm service enable service 3669IP! CN 5150 Hedr001A_5150_01 port 1.1 forced to Enabled port enable port 1.1
43 wouter.huisman[at]surfnet.nl W Creative Commons Attribution license:
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