Layer 2 Services
Internet2's Advanced Layer 2 Service delivers a strategic advantage for leaders in research and education (R&E) by providing effective and efficient wide area 100 gigabit Ethernet technology. CIOs and IT staff can now provide a turnkey solution for balancing long-term or short-term global big data science collaborations and production services.
Enabling scalable and flexible global access to an open exchange network, members can build Layer 2 circuits (VLANs) between endpoints on the Internet2 Network and beyond. The service meets the wide-ranging needs of the research and education community—both now and into the future.
AL2S allows users to create their own VLANs on the Internet2 AL2S backbone. Static or Dynamic, point-to-point or multipoint, intra-domain or inter-domain, AL2S puts control of the backbone VLANs into the users' hands for the creation of purpose-built private circuits using infrastructure already in place.
AL2S Local allows a Member to purchase a standard AL2S port at normal fees for out of region access, along with “local” AL2S ports at a lower fee for local/regional access, and as an economical alternative to deploying their own aggregation switch.
Advanced Layer 2 Services
Some features of Internet2's Advanced Layer 2 Service are:
- STATIC VLANs: point-to-point or multipoint, configured on demand by the user through a .
- DYNAMIC VLANs: point-to-point or multipoint. The option to configure VLANs dynamically using software-defined networking ( ) through technologies such as . Please see for more details.
- INTERDOMAIN CONNECTIVITY: global R&E and fabrics enable Ethernet VLANs throughout the U.S. on Internet2 and around the world through partner networks to intercommunicate.
Links to an Advanced Layer 2 Network map and Infosheet can be found in the box to the right.
A Roadmap listing AL2S features that have been Completed, Committed, Possible, On Hold / Canceled, and On Hold / Blocked can be found.
Internet2 produces reports detailing the availability and bandwidth of the AL2S network. These reports along with spreadsheets listing the values for metrics related to Change Management and Incident Management can be found.
A link to documentation, presentations, and copies of slides and recordings of webinars can be found.
AL2S Local is envisioned as an optional, add-on feature to the standard community AL2S offering. Its primary purpose is to provide a local/regional connectivity alternative where Members can share the AL2S switch rather than deploying their own. It provides a card that’s dedicated to the Member. The Member can use one, several or all of the ports on the card. It supports local/regional, intra-switch traffic, as well as out of region access through a standard AL2S port purchased by the Member. However, the combined throughput of the local and standard AL2S port leaving the box may not exceed the capacity of the standard AL2S port(s) purchased. Key attributes include:
- Member funds the one-time hardware costs of an 8 or 16 port card on the AL2S box and receives access to all the ports on that card.
- The AL2S Local card is dedicated to the Member. “Partial” cards are not offered in order to ensure full cost recovery of the card. In other words, Member needs to pay for the entire card.
- All features available with standard AL2S will be available with AL2S Local.
- Member must purchase at least one standard 10/100G AL2S port to which their out-of-box bandwidth will be assigned.
- The combined throughput out of the AL2S box should not exceed the capacity of the standard AL2S ports purchased. For example, with one standard 100G AL2S port, the total backbone bandwidth consumed by the standard port and all AL2S Local ports for traffic leaving that box cannot exceed 100Gbps.
A list of organizations connected to AL2S at both 100GE and 10GE is available.
For service information or fees, send email to.
What is the advantage of AL2S?
Where is AL2S available?
|Albany, NY||Denver, CO||New York, NY|
|Ashburn, VA||El Paso, TX||Philadelphia, PA|
|Atlanta, GA||Houston, TX||Phoenix, AZ|
|Baton Rouge, LA||Hartford, CT||Pittsburgh, PA|
|Boston, MA||Jackson, MS||Portland, OR|
|Charlotte, NC||Jacksonville, FL||Raleigh, NC|
|Chicago, IL||Kansas City, MO||Salt Lake City, UT|
|Chicago, IL-Equinix||Los Angeles, CA||Seattle, WA|
|Chicago, IL-Starlight||McLean, VA||Sunnyvale, CA|
|Cleveland, OH||Minneapolis, MN||Tucson, AZ|
|Columbia, MO||Missoula, MT||Tulsa, OK|
What is the physical infrastructure of AL2S?
How can my organization connect to AL2S?
Do I need to be running OpenFlow to use AL2S?
Can I create my own logical Layer 3 network on top of several AL2S connections?
Can you provide pointers to documentation?
Is there a Roadmap of AL2S features?
Are there any AL2S reports available.
Is there an AL2S cap on my port(s)?
What is AL2S-Local?
If my organization is behind a regional connector, who has rights to assign VLANs?
What is OESS?
OESS is a set of software used to configure and control dynamic (user-controlled) layer 2 virtual circuit (VLAN) networks on OpenFlow enabled switches. OESS provides sub-second circuit provisioning, automatic circuit failover, per-interface permissions, and automatic per-VLAN statistics. It includes simple and user friendly web-based user interface as well as a web services API.
Please see http://globalnoc.iu.edu/sdn/oess.html for more information.
A demo of the OESS user interface is available here. Use GRNOC as the suggested selection then sign in using Login: os3e with Password: os3edemo.
How do I get permission to build a circuit to another port that I do not own?
Can I connect to all other AL2S ports?
Are multipoint vlans available?
What is SDN?
"Software-Defined Networking (SDN) is an emerging architecture that is dynamic, manageable, cost-effective, and adaptable, making it ideal for the high-bandwidth, dynamic nature of today's applications. This architecture decouples the network control and forwarding functions enabling the network control to become directly programmable and the underlying infrastructure to be abstracted for applications and network services."
What is the difference between SDN and OpenFlow?
"Software Defined Networking (SDN) is an emerging network architecture where network control is decoupled from forwarding and is directly programmable."
"OpenFlow is the first standard communications interface defined between the control and forwarding layers of an SDN architecture."
I have a different controller I want to try, can I do that?
Is the use of OESS software required?
How does GENI fit in?
GENI resources on campuses and in regionals can be accessed directly using AL2S, thus it can tie together multiple resources (e.g., compute instances on GENI Racks). AL2S also has four 10G connections into the GENI mesoscale backbone being operated by Internet2, to access existing resources.
I have a GENI researcher; can he or she use AL2S to get access to GENI resources?
What is the FlowSpace Firewall?
Details will be available at http://globalnoc.iu.edu/software/sdn.html.
Can I run OpenFlow in my local infrastructure?
Internet2's Advanced Layer 2 Services are available to:
- Higher Education
- Affiliate (not for profit)
- Industry (for profit)
- R&E Network Member
- Network Connector
- Primary Participant
- US UCAN Program Participant
Please contact email@example.com for more information.