Fiber Cable Survey Installed Fiber Cable Lengths in the Backbone Prepared by: Ahmad Nouri anouri@networth.com Survey Methodology - Contact list extracted from Computerworld buyers data base, comprised of medium to large organizations. - Selection criteria was 750+PCs on LANs - Selected participants from a broad range of demographics in north America (US bias). - Conducted telephone interviews Participant Demographics - 2100 companies identified - Survey sample size is 107 - Revenue: Min: $1 million Ave: $2.8 billion Max: $20 billion - Employees: Min: 800 Ave: 7953 Max: 130,000 - Networked Nodes: Min: 750 Ave: 6791 Max: 75000 - Cross Section of headquarters and satellite offices Participants by Industry Education/Research: 27% Government/Military: 20% Medical: 12% Retail/Service: 11% Comm/Utilities: 9% Manufacturing: 8% Aerospace: 6% Other: 7% Installed Fiber Lengths: How many fiber pairs (between closets)? 62.5 micron mmf 50 micron mmf Single Mode Fiber <100 meters: 2,827 310 249 100-199 meters: 1,814 124 154 200-299 meters: 4,641 434 403 300-399 meters: 276 25 10 400-499 meters: 260 23 9 >500 meters 99 19 1 How many fiber pairs (closet to basement)? 62.5 micron mmf 50 micron mmf Single Mode Fiber <100 meters: 532 203 32 100-199 meters: 557 30 34 200-299 meters: 1089 233 66 300-399 meters: 6 27 0 400-499 meters: 6 27 0 >500 meters: 350 0 6 How many fiber pairs (between buildings)? 62.5 micron mmf 50 micron mmf Single Mode Fiber <100 meters: 238 4 128 100-199 meters: 382 106 61 200-299 meters: 620 110 189 300-399 meters: 225 64 26 400-499 meters: 200 60 20 >500 meters: 8,779 124 1,171 Total 62.5 micron mmf installed (independent of location): <100 meters: 3,065 100-199 meters: 2,196 200-299 meters: 5,261 300-399 meters: 501 400-499 meters: 507 >500 meters: 9,228 Percentage of installed 62.5 micron mmf Between Closet to Between Independent of Closets basement buildings location <100 meters: 28% 21% 2% 15% 100-199 meters: 18% 22% 4% 11% 200-299 meters: 46% 42% 6% 25% 300-399 meters: 3% 0% 2% 2% 400-499 meters: 3% 0% 2% 2% >500 meters: 1% 14% 84% 44% Installed Fiber to Node ratio Total installed fiber to node ratio = 0.0364 Installed Technology (Independent of Location) Ethernet: 35% Fast Ethernet: 7% FDDI: 20% Switched Ethernet: 13% Token Ring: 13% Fiber Channel: 4% ATM 6% VG-AnyLAN: 2% Conclusions - 92% of installed 62.5 micron mmf cable (between closets) is less than 300 meters - This percentage drops to 85% for closet to basement runs, and 51% for the total installed base. - The total installed fiber to node ratio is 0.0364 ====================================================================== Survey Questions 1 - How many nodes does your organization currently have? a) -------nodes b) Don't know, but at least 750 c) Don't know, but less than 750 x) Don't know 2 - Which of the following describe fiber optic usage in areas of your organization: a) Fiber optic cabling between closets in one building b) Fiber from closet to basement or computer room in one building c) Fiber between buildings x) Don't know e) None 3- What type of fiber cables are used between closets in one building? a) Single mode b) 50 micron multimode c) 62.5 micron multimode x) Don't know 4- For single mode fiber (between closets) , what quantity (in pairs) fall into each of the following length range? a) Less than 100 meters b) 100-199 meters c) 200-299 meters d) 300-399 meters e) 400-499 meters f) More than 500 meters x) don't know 5- What Technology is currently being used in these single mode fiber cables? a) FDDI b) Token Ring c) Ethernet d) Switched Ethernet e) Fast Ethernet f) Fiber Channel g) ATM h) VG-AnyLAN x) don't know 6- For 50 micron mmf (between closets), what quantity (in pairs) fall into each of the following length range? a) Less than 100 meters b) 100-199 meters c) 200-299 meters d) 300-399 meters e) 400-499 meters f) More than 500 meters x) don't know 7- What Technology is currently being used in these 50 micron mmf cables? a) FDDI b) Token Ring c) Ethernet d) Switched Ethernet e) Fast Ethernet f) Fiber Channel g) ATM h) VG-AnyLAN x) don't know 8- For 62.5 micron mmf (between closets), what quantity (in pairs) fall into each of the following length range? a) Less than 100 meters b) 100-199 meters c) 200-299 meters d) 300-399 meters e) 400-499 meters f) More than 500 meters x) don't know 9- What Technology is currently being used in these 62.5 micron mmf cables? a) FDDI b) Token Ring c) Ethernet d) Switched Ethernet e) Fast Ethernet f) Fiber Channel g) ATM h) VG-AnyLAN x) don't know =============================== 10- What type of fiber cables are used from closet to basement or computer room in one building? a) Single mode b) 50 micron multimode c) 62.5 micron multimode x) Don't know 11- For single mode fiber (closet to basement) , what quantity (in pairs) fall into each of the following length range? a) Less than 100 meters b) 100-199 meters c) 200-299 meters d) 300-399 meters e) 400-499 meters f) More than 500 meters x) don't know 12- What Technology is currently being used in these single mode fiber cables? a) FDDI b) Token Ring c) Ethernet d) Switched Ethernet e) Fast Ethernet f) Fiber Channel g) ATM h) VG-AnyLAN x) don't know 13- For 50 micron mmf (closet to basement), what quantity (in pairs) fall into each of the following length range? a) Less than 100 meters b) 100-199 meters c) 200-299 meters d) 300-399 meters e) 400-499 meters f) More than 500 meters x) don't know 14- What Technology is currently being used in these 50 micron mmf cables? a) FDDI b) Token Ring c) Ethernet d) Switched Ethernet e) Fast Ethernet f) Fiber Channel g) ATM h) VG-AnyLAN x) don't know 15- For 62.5 micron mmf (closet to basement), what quantity (in pairs) fall into each of the following length range? a) Less than 100 meters b) 100-199 meters c) 200-299 meters d) 300-399 meters e) 400-499 meters f) More than 500 meters x) don't know 16- What Technology is currently being used in these 62.5 micron mmf cables? a) FDDI b) Token Ring c) Ethernet d) Switched Ethernet e) Fast Ethernet f) Fiber Channel g) ATM h) VG-AnyLAN x) don't know ============================== 17- What type of fiber cables are used between buildings? a) Single mode b) 50 micron multimode c) 62.5 micron multimode x) Don't know 18- For single mode fiber (between buildings) , what quantity (in pairs) fall into each of the following length range? a) Less than 100 meters b) 100-199 meters c) 200-299 meters d) 300-399 meters e) 400-499 meters f) More than 500 meters x) don't know 12- What Technology is currently being used in these single mode fiber cables? a) FDDI b) Token Ring c) Ethernet d) Switched Ethernet e) Fast Ethernet f) Fiber Channel g) ATM h) VG-AnyLAN x) don't know 13- For 50 micron mmf (between buildings), what quantity (in pairs) fall into each of the following length range? a) Less than 100 meters b) 100-199 meters c) 200-299 meters d) 300-399 meters e) 400-499 meters f) More than 500 meters x) don't know 14- What Technology is currently being used in these 50 micron mmf cables? a) FDDI b) Token Ring c) Ethernet d) Switched Ethernet e) Fast Ethernet f) Fiber Channel g) ATM h) VG-AnyLAN x) don't know 15- For 62.5 micron mmf (between buildings), what quantity (in pairs) fall into each of the following length range? a) Less than 100 meters b) 100-199 meters c) 200-299 meters d) 300-399 meters e) 400-499 meters f) More than 500 meters x) don't know 9- What Technology is currently being used in these 62.5 micron mmf cables? a) FDDI b) Token Ring c) Ethernet d) Switched Ethernet e) Fast Ethernet f) Fiber Channel g) ATM h) VG-AnyLAN x) don't know