ATM Advanced

New Admin

10 years ago

Overview of ATM Forum (ATMF) Efforts
- Quick review of new spec efforts
- Anchorage, new approved specs, spec watch
Advanced ATM Physical (PHY) Layer Specs
- Where do the new specs fit in the PHY layer?
- New low-cost connectors for ATM campus nets
- New PHY protocols: 622, 1000, 2498.32 Gbps
- Inverse Multiplexing for ATM: Business case
  - Performance objectives and availability
  - IMA architecture: Version 1.x, MIB
- Serial UTOPIA, MultiPHY
ATM Forum’s User-Network Interface
- Its scope, purpose, bearer service attributes and QoS
- Setting up an SVC: Parameters, protocols, elements
  - Q.2931, UPC, CAC, NPC, QoS, CLP
- UNI vers. 3.1/4.0/4.1, Spec’d and Unspec’d QoSs
- Specs for SONET and 44.736 Mbps at public UNI
- Specs for 100, 155.52 and 51 Mbps at private UNI
ATMF Routing and Addressing (RA) Developments
- ATM addressing standards: AESA, DCC, E.164 N/e/A, ICD, local
- Four examples of addressing in connections
  - Transported Number Stack (TNS)
- Address types for different network types
  - Internetworking addressing examples
- AINI: ATM Internetworking Interface
  - Peers, non-peers and Transit networks
  - ASP-ASP, Private-Private, bi-level addressing, all BISUP, mixed
  - Q.2931 and BISUP
LAN Emulation (LANE) Developments
- Quick review of LANE version 1 technology
- LANE v2 summary: New services, features, support
- LUNI (LANE User Network Interface) version 2
  - LLC Multiplexing, TLVs, Multicasting, QoS
- LNNI (LANE Network Network Interface) & MIB
  - Architecture, protocol layers, topology, protocols
  - Functions and Services: AALs, Connection Management, Layer
  - Management, SCSP services
  - Protocols and procedures: LECs to LECs, LES initialization and configuration, connection
  - BUS forwarding: Multicast and unicast traffic
PNNI (Private Network Network I/F) Developments
- PNNI review: Addressing, DTLs, ‘crankback’
- PNNI databases, PTSPs and PTSEs
- PAR: PNNI Augmented Routing
- PPAR: Proxy PAR
- PNNI enhancements & new PNNI MIBs
Multi-Protocol Over ATM (MPOA) Developments
- Purpose, evolution, requirements
- MPOA alternatives: Tag Switching, MPLS
- MPOA architecture: MPS, NHRP, MPC, ROLC
- Operation: MPC-MPS, MPS-MPS, MPC-MPC control
  - MPOA data flows : MPC-MPC, MPC-NHC
  - Configuration, discovery, MPOA-NHRP resolution
- Shortcut traffic Data Frame Encapsulations
  - MPOA Data Plane Purge mechanism
- Ambiguities: Info at ingress and egress MPCs
- Do new switch routers make MPOA irrelevant?
ATMF’s Residential Broadband (RBB)
- RBB Architectural Framework: Five parts
  - Services, interfaces (HUNI, UNIx, ANI), HAN
- ATM Access Circuits: HFC & PON; connectors
- Alternative access circuits: ADSL, VDSL
Network Management (NM) Spec Update
- Summary review of management models (for SNMP, OSI CMIP/TMN), trade-offs, ILMI MIBs
- ATM M1 – M5 management responsibilities
- M4: Architecture and SNMP/CMIP MIBs
  - Network View (NV) interface
  - Network Element Management interface: Reqs
- New MIBs: CES, IMA, LANE, MPOA, PNNI, AALs
Native ATM Connectionless Service (CLS)
- Applications for short lived data exchanges
- Comparison of CLS to MPOA, MPLS, I.364
Wrap-up: Course Recap, Q/A, and Evaluations