40Gb/s over four wavelengths on single-mode fiber, 10km 100GBASE-CR10 100Gb/s over ten wires of copper cabling, 7 m 100GBASE-SR10 100Gb/s over ten of multimode fibers, 100 m 100GBASE-LR4 100Gb/s over four wavelengths on single-mode fiber, 10km
TDC-463 Underlying Technologies WAN Access Technology Options Many underlying technologies access options! Bonded T1/E1 Ethernet MSO/ Cable COAX Direct Fiber WDM Fiber Service Provider 2 TDM Ethernet Ethernet Ethernet Ethernet Ethernet Ethernet Ethernet Direct Fiber 100Mbps/1Gbps/10 Gbps SONET/ SDH PON Fiber Ethernet Service Provider 1 Ethernet Ethernet WiMa x Ethernet Packet Wireless DS3/E3 User to Network Interface (UNI) Network to Network Interface (NNI)
TDC-463 Access Methods & Applicable Standards Carrier Ethernet Access Method Technology Applicable Standards Fiber Ethernet over Active Fiber IEEE 802.3-2005 Ethernet over SONET/SDH TU-T X.86 encapsulation ITU-T G.707 and G.7043 (GFP-VCAT) Ethernet over Passive Optical Network IEEE 802.3-2005 (EPON) IEEE 802.3av (10GEPON) ITU-T G.984 (GPON) Broadband Forum WT-156, WT-167 Ethernet over HFC/DOCSIS DOCSIS 1.x, 2.x, 3.0, EuroDOCSIS Copper Bonded T1/E1 RFC1990 (Multilink PPP) and RFC3518 (BCP) ITU-T G.7041 and G.7043 (GFP-VCAT) ITU-T G.998.2 (G.bond) DS3/E3 and bonded DS3/E3 ITU-T X.86 encapsulation with optional link aggregation ITU-T G.7041 and G.7043 (GFP-VCAT) ITU-T G.998.2 (G.bond) 2BASE-TL IEEE 802.3-2005 2BASE-TL using ITU-T G.991.2 (G.SHDSL.bis) Broadband Forum WT-201 10PASS-TS IEEE 802.3-2005 10PASS-TS using ITU-T G.993.1 (VDSL) Wireless Packet Microwave IEEE 802.3-2005 user interface WiMAX IEEE 802.16 Free space optics IEEE 802.3-2005 user interface WiFi IEEE 802.11 LTE 3GPP LTE Release 8
TDC-463 Underlying Technologies WAN Switching X.25 utilizes virtual circuit switching Modest commercial success Has been completely replaced Frame Relay Developed to replace X.25 utilizes virtual circuit switching + quality of service (QoS) Commercial success, considered a legacy technology Extensive frame relay network deployment exists today ATM Developed to replace Frame Relay utilizes virtual circuit switching + quality of service (QoS) + fixed small cell size Modest commercial success, considered a legacy technology Some ATM network deployment exists today Page 65 More on Virtual Circuit Switching during week 3
TDC-463 LAN Networking Devices Connecting devices Repeaters (layer 1) Hubs (layer 1) Bridges (layer 2) Switches (layer 2) Routers (layer 3) Page 66
TDC-463 LAN Networking Devices Repeaters LAN segment is a portion of a LAN to extend length/reach LAN Repeaters connect LAN segments Two ports Physical layer device LAN segments must be of same type Page 67
TDC-463 LAN Networking Devices Hubs Hub is a multi-port repeater Hubs connect more than two LAN segments > than two ports Physical layer device LAN segments must be of same type Can be arranged in a hierarchical topology Operates in one collision domain Page 68
TDC-463 LAN Networking Devices Collision Domains All devices connected to a Hub (or Hub network) are in the same collision domain A collision domain is a set of LAN devices/hosts whose frames could collide with one another due to the broadcast based network topology Ethernet
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- Fall '09
- protocol stack, TDC-463