About the NOC

About the NOC

GrangeNet Dr. Greg Wickham APAN NOC 25 August 2005 GrangeNet II Background

Architecture Services Status Summary GrangeNet II Background Architecture

Services Photos Summary Background Funded by DCITA - The Advanced Networks Program (ANP) GrangeNet is a non-entity joint venture partnership of

The consortium received $14M in 2002 and $4M in 2005 from the Australian Government under the Advanced Networks Program of the Building IT Strengths (BITS) initiative. GrangeNet will run until December 2006 Background

Single pair of fibres Brisbane to Melbourne Managed DWDM Backbone OC 48 Circuits 2 Gbit/sec Bandwidth swap to Perth

(3456km) Background Throwing technology at a community doesn't work. You need people to understand what it will do for them and then they need to change their behavior. GrangeNet works with many communities in ICT, the

arts, sciences, humanities, education and engineering. GrangeNet facilitates collaboration between communities (layers 1 through 8) Background WAN had greater capacity than LAN Forced members to think about their internal networks

Subscription based model Force members to think about their internal charging policies Network usage (volume no longer an impediment) GrangeNet II Background

Architecture Services Photos Summary Architecture Grangenet I (A Layer 3 Network) GSR 12410

OSR 7609 GrangeNet II (A Layer 1,2,3 Network) Cisco 7609 ONS 15454 E Architecture A network based on the latest generation of hardware

and software Capable of: Layer 1 Light Paths Layer 2 VLANS Layer 3 Routing Carrying: IPV4 Unicast and Multicast

IPV6 Unicast Architecture Hardware Summary Layer 3 and Layer 2 Cisco 7609 3BXL Supervisor

3BXL DFC 67xx series line cards Layer 1 ONS 16454E OC48 backbone Gigabit Interconnects

Hardware Cisco 7609 720 Gbps switching capacity (40 Gbps / slot) 1GB of DRAM Sup720-3BXL IPv4 routing to 400Mpps; and IPv6 to 200Mpps Routes 1,000,000 (IPv4);

500,000 (IPv6) MPLS in hardware L2 bridging up to 400Mpps All line cards are fabric enabled with 3BXL distriubuted forwarding cards (except FlexWan)

Hardware ONS 15454E Hardware: Cisco ONS 15454E Capability: Time Division Multiplexing OC48

Gigabit Expandable to 10 Gigabit Carrier Class Reliability Hardware 15454E

Some assembly required . Architecture Architecture ONS 15454E aggregates Gigabit into OC48 circuits

Architecture Pairs of OC48 circuits carried on managed DWDM system Architecture

Etherchannel Trunks on inter-capital links Architecture - Redundancy All GrangeNet routers are fully redundant Dual power supplies Dual processors (Supervisor or TCC2) Dual line cards

However Backbone carried over a Single fibre path But Very few fibre breaks More scheduled outages than unscheduled

GrangeNet II Background Architecture Services Photos Summary GrangeNet II Services

With the implementation of GrangeNet II more services can be offered than just the traditional R&E (routed protocols) The service offerings are: GrangeNet R&E - Layer 3 (Network Layer) GrangeNet LAN - Layer 2 (Data link layer) GrangeNet Lightpath - Layer 1 (Physical Layer)

Provisioning Provisioning Cisco 7609 handles all layer 3 (IP routed) and layer 2 (Vlan) switching

Provisioning Cisco ONS 15454E handles all layer 1 (TDM) switching GrangeNet R&E GrangeNet R&E is the traditional layer 3 service that permits members to peer with both local and

international Research and Education members. IPv4 Unicast Multicast IPv6 Unicast Multicast (2006*)

GrangeNet LAN An complementary service to MPLS is GrangeNet LAN - a Layer 2 service. This is a similar offering to GrangeNet Lightpath however the members traffic is carried across the GrangeNet backbone in dedicated Vlans. There are currently no capacity or quantity constraints

on the LAN service offering. A client can request many LAN services and have these combined with a R&E service onto the same physical GrangeNet connection. GrangeNet LAN Negotiations: VLAN number Must be unique between all sites

and GrangeNet(*) Path (VLANs are statically mapped to bearers) Tagging (untagged or tagged) Any VLAN can be extended to any POP site extended to ALL POP sites

GrangeNet is a big switch GrangeNet LAN GrangeNet Member can send untagged traffic and it will be tagged and carried through the network

GrangeNet LAN Members can send multiple VLANs down the same physical circuit GrangeNet Tag 500

Tag 501 Tag 493 GrangeNet LAN GrangeNet Campus A Tag 493

GrangeNet Campus B Tag 501 GrangeNet Campus C Tag 500

GrangeNet LAN Shared bandwidth with all other subscribers Member security is an issue GrangeNet LAN

Management Issues: Not possible to determine bandwidth usage per VLAN Configuration implicitly trusts Cisco more than Members Members faced with security issues Why not MPLS?

GrangeNet Lightpath GrangeNet Lightpath is a Layer 1 clear channel service that transports data between member endpoints. Satisfies members security constraints. The implementation of the Lightpath service is at a TDM (Time Division Multiplexing) level

direct onto the GrangeNet DWDM backbone. Provisioning - L1 / LightPath Reserved bandwidth Minimal security implications Architecture

Provisioning - L1 / LightPath Bringing researchers together GrangeNet The Reality

The Physical Using a Light Path Provisioning: Currently a manual process Uses Cisco Transport Controller Takes minutes

UCLP (From CaNARIE) (in deployment) Connectivity: User needs a connection to two GrangeNet POPs GrangeNet II Background Architecture

Services Photos Summary Photos Photos

Photos GrangeNet II Background Architecture Services Photos Summary

Summary Layer 3 Domestic and International R&E Layer 2 VLAN Replaced use of MPLS Challenges users to think about the way they use networks

Layer 1 Lightpath Last mile limitation Summary On the plus side 7609 is an excellent routing platform 15454E very simple to use A very stable and a mostly manageable solution

Flat network is extremely flexible Questions? [email protected] http://noc.grangenet.net

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