Benefits • The simplicity of a single service at any location with any-to-any connectivity between all sites in a national, secure VPN (Virtual Private Network) customer cloud • Support for the widest range of IT applications because our Ethernet (Layer 2) VPN is Network Protocol Transparent • Customer control of the equipment that connects to the VPLS and how the access circuit is logically configured, not requiring co-ordination with the carrier • Support for real time and mission-critical applications with low latency and Quality of Service (QoS) included as standard to all sites • Lowest total cost of ownership with the simplicity of Ethernet (Layer 2) connectivity and our bundled pricing which includes advanced features Nextgen Group’s National VPLS is a premium performance, Ethernet (Layer 2), customer controlled and flexible data service for connecting the multiple sites of Australian organisations. VPLS (Virtual Private LAN Service) technology is internationally proven and defined by the IETF (the Internet standards body). Nextgen Group’s implementation uses MPLS as the underlying technology to deliver carrier grade QoS (Quality of Service) and network availability. data sheet Nextgen VPLS
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Benefits• The simplicity of a single service at any location with
any-to-any connectivity between all sites in a national, secure VPN (Virtual Private Network) customer cloud
• Support for the widest range of IT applications because our Ethernet (Layer 2) VPN is Network Protocol Transparent
• Customer control of the equipment that connects to the VPLS and how the access circuit is logically configured, not requiring co-ordination with the carrier
• Support for real time and mission-critical applications with low latency and Quality of Service (QoS) included as standard to all sites
• Lowest total cost of ownership with the simplicity of Ethernet (Layer 2) connectivity and our bundled pricing which includes advanced features
Nextgen Group’s National VPLS is a premium performance, Ethernet (Layer 2), customer controlled
and flexible data service for connecting the multiple sites of Australian organisations.
VPLS (Virtual Private LAN Service) technology is internationally proven and defined by the IETF (the
Internet standards body). Nextgen Group’s implementation uses MPLS as the underlying technology
to deliver carrier grade QoS (Quality of Service) and network availability.
data sheetNextgen VPLS
Attribute ValueEVC (Ethernet Virtual Circuit) Type Multipoint-to-Multipoint (VPLS)
Maximum Number of UNIs 50 (no hard limit, advisory limit only)
EVC MTU Up to 9000 bytes
CE-VLAN ID Preservation Yes
CE-VLAN CoS Preservation Yes
Unicast Service Frame Delivery Deliver Unconditionally
Multicast Service Frame Delivery Deliver Unconditionally (flooding)
Broadcast / Unknown Unicast Frame Delivery Deliver Conditionally: up to 10% of EVC bandwidth at UNI or 256 Kbit/s, whichever is greater
Layer 2 Control Protocols Processing Tunnel all
VPLS Service AttributesNextgen Group’s VPLS is delivered using Metro Ethernet Forum (MEF) certified network equipment and is consistent with the Multipoint-to-Multipoint EVC definition, as described in MEF10.1 Section 6.1.2.1.
The following table describes applicable MEF Service Attributes:
Nextgen VPLSdata sheet
Key Features Summary• Flexible high speed access options
• Reliable self-owned underlying infrastructure
• Highly secure network architecture using MPLS
• Customer have full control of their network
• Support customer VLAN transparency, any Layer 3 protocols and addressing scheme
• Industry leading 7 classes of QoS
• Advanced usage and QoS reporting
• Up to 99.95 % service level agreement
Online Customer PortalWith the secure customer portal you have in depth analytics at your fingertips such as service performance, traffic utilisation and drops per QoS class so you can have a better understanding of how the network is performing to optimise workload delivery.
There are three basic components in the picture: Access Circuit A, VPLS and Access Circuit B. The resulting end-to-end delay between Site A and Site B is a sum of all three.
Nextgen Group’s transmission core network, represented by the VPLS ‘cloud’ in the illustration above, delivers low delay, high throughput performance nationwide.
The median round trip delay, experienced by a 540-byte Ethernet frame, travelling within or between major capital cities, is shown in the matrix below.
Any additional delays experienced by service frames as they travel across Access Circuit A and Access Circuit B are access circuit specific. Typical delays for common access circuit types are shown in the next section.
Perth Adelaide Melbourne Canberra Sydney BrisbanePerth < 6 ms
Adelaide < 33 ms < 6 ms
Melbourne < 42 ms < 16 ms < 6 ms
Canberra < 60 ms < 22 ms < 13 ms < 6 ms
Sydney < 66 ms < 27 ms < 19 ms < 9 ms < 6 ms
Brisbane < 67 ms < 40 ms < 30 ms < 22 ms < 19 ms < 6 ms
Network Delay (Latency)All network communications within any customer VPN can be represented as point to point. Given this understanding, the figure below is used to show network service components, which affect the end-to-end network delay (latency).
Any additional delays experienced by service frames as they travel across Access Circuit A and Access Circuit B are access circuit specific. Typical delays for common access circuit types are shown in the next section.
Note: Please refer to the Metro Ethernet Forum’s MEF10.1, “Ethernet Service Attribute Phase 2” for the definitions of the Service Attributes used on this Datasheet.
Metro Ethernet Forum Technical Specification Documents are available for download from the www.metroethernetforum.org web site.[1] 1522 bytes typical, jumbo frames up to 9000 bytes available on some access circuits[2] Depending on the equipment used at a location[3] Advisory limit[4] End to End Target Frame Delay is a sum of Frame Delay for A-end Access, EVC and B-end Access
VPLS Access Circuit Service Attributes
The connectivity between customer sites and Nextgen Group’s National VPLS ‘cloud’ is achieved via a wide range of access options.
The following table provides a summary of the service attributes of the three classes of Nextgen VPLS Access Circuits:
Attribute Class A Class B Class CTypical Technology Fibre Microwave SHDSL
Physical Medium (port type) A standard Ethernet PHY
Nextgen Group. We go further.Nextgen Group is a leading supplier of network connectivity, data centre facilities and cloud services to Australian businesses, government agencies and telecommunication service providers. We’re committed to our clients’ success and focus on understanding their business and objectives to deliver tailored networking solutions that deliver meaningful results.