Contributed Articles
I konkurranse med blant annet COLT, VERIZON og TATA vant Broadnet tirsdag en av de mest
prestisjetunge prisene på Carrier Ethernet World Congress i Warszawa, arrangert av Metro
Ethernet Forum (MEF). Broadnet vant prisen for Best Marketing i Europa, Midtøsten og Afrika
under Carrier Ethernet Service Provider Awards 2010.
Follow this article: http://www.telecomrevy.no/xpress/broadnet-vinner-europeisk-ethernet-pris/
Fast Forward to Ethernet Exchange Networks
With the rapid growth of network-intensive applications, such as video, and the expanding adoption of smartphone devices, both supported by third-generation (3G) and fourth-generation (4G) networks, carriers are tapping into the reliability and speed of Ethernet to interconnect multiple service providers beyond the boundaries of their service footprints. In this paper, you will learn three crucial factors that carriers should take into consideration when selecting an Ethernet exchange operator. Does the exchange:
- Take a network-based approach to extend its reach nationwide?
- Provide a highly customizable portal?
- Assist with end-to-end interconnect oversight and management?
Enterprise and Mobile Backhaul Ethernet Growth
Enterprises today are demanding greater access to Ethernet connectivity for all their bandwidth needs, especially data and video, with fiber as the preferred solution. This hunger for capacity that can accommodate blossoming amounts of data and video has moved IT organizations beyond such legacy access technologies as Frame Relay, ATM, and T1 to Ethernet. Ethernet, with its proven history of exceptionally high performance, scalability, and rapid provisioning is also valued for its suitability for all-IP next-generation network infrastructures where technologies and access modes integrate with ease.
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- Fast Forward to Ethernet Exchange Networks (321 Download)
Ethernet Academy Peer Reviewed
DOCSIS® Network Management Architecture for Ethernet PON Networks
Written by Mannix O'Connor and Vladimir Bronstein
Ethernet Passive Optical Network (EPON) is a cost effective technology for achieving fiber-to-the-premises connectivity. However, deploying EPON with vendor-specific management and provisioning systems also requires significant investments to replace the corresponding DOCSIS systems that exist today. The cost of replicating DOCSIS provisioning, operations, maintenance, and data collections systems can be cost prohibitive.
A new class of EPON systems has evolved to resolve this dilemma. DOCSIS over EPON (DePON) architectures enable EPON fiber access networks to be managed by existing DOCSIS infrastructure and operations support systems. A DePON solution provides a “middleware” layer that translates DOCSIS management instructions into commands that are understood by the fiber network. This innovation preserves the cable operator’s investment in DOCSIS operations software and procedures while delivering the bandwidth required to match or exceed competitive offerings from other service providers.
While maintaining their back office systems, cable operators can take advantage of standards-based EPON systems by using DePON architecture to significantly scale up available bandwidth beyond the capabilities of current DOCSIS 3.0 implementations. DePON is a cost effective access network architecture that requires no change to back office operations.
Ethernet Academy Peer Reviewed
Universal Ethernet
A New Layer-2 End-to-End Ethernet-Only
Communications Architecture
Written by Jose Morales Barroso
The Universal Ethernet Telecommunications Service (UETS) is a highly scalable Layer 2 based network architecture, protocol, and addressing schema, which will support a wide range of services and access technologies to deliver the capacity required for future network applications with greatly improved security and robustness to support the massive amount of traffic related to quadruple-play services of the next generation network.
Ethernet Fabric Routing (EFR) is a new generation high-capacity physical switching technique, based on the utilization of local MAC addresses, indicated with the U/L bit fixed to one, and assigned to every physical interface as implicit labels with global, not local, meaning. The terminals does not use its own universal address, as in conventional LANs, but the switch's port physical address, as in the old telephone Central Offices.
Inter Domain Ethernet Services Featured
Ethernet Academy Peer Reviewed
Inter Domain Ethernet Services
Written by David Berechya and Yoav Cohen
This paper describes an Inter Domain Transport architecture for automatic inter domain provisioning of MEF based Ethernet services. This architecture emphasizes the aspects of interconnection scenarios between different operators, i.e. creation of end to end services across different domains operated by different Network Operators. The architecture has been developed in the ETNA project.
ETNA (Ethernet Transport Network Architecture) is an ICT-FP7 European research project (1/2008-12/2009) handled by a consortium of academy and industrial entities. The participants are British Telecom (BT), Nokia-Siemens Networks (NSN), Ben-Gurion University in Israel (BGU), Helsinki University of Technology (TKK) and Ethos Networks. The ETNA project is now in the feasibility study phase, where the developed concepts will be demonstrated in BT labs.
The main motivation of ETNA was to automate inter-domain service provisioning (i.e., services based on E-Line, E-LAN and E-Tree service types) in packet-based transport networks. The ETNA project developed its requirements and framework based on MEF specifications; mainly services and external interface specifications. However, since this project is a research project full alignment with MEF Specification was not considered a goal.
Inter domain Ethernet services described in this paper constitute only one of the topics covered by ETNA. This paper provides the reader with an overview of this specific topic. More details about ETNA project can be found on the ETNA website [1].
As noted above, the ETNA project developed its requirements and framework based on MEF specifications; mainly services and external interface specifications. As the work in MEF progresses, future work items in MEF may require addressing requirements for more automation of service creation, teardown and modification. In such a case, MEF may find it extremely useful to base its work in the area of service automation, on the concepts developed in the ETNA project.
