Networking - Optical -Open Transport Network Data

1 - Core Internet Routers #1 (70% share) ( CRS-3 and Juniper's 250Gbps per slot ASICs : T series, ASR 1000 & 9000 series, XR12000/12000, 7600 series router, Catalyst 6500)
2 - Carrier Edge Routing #1 : (43%) ( IPTV, Ethernet VPNs & mobile backhaul) 7600 series & ASR 9000
3 - Ethernet Switching / enterprise switching: #1 : (72% share) (blade switching)
4 - Wireless LANs #1: (58%)
5 - 802.11n access point #1: (54.8%)
6 - Firewall/VPN systems
7 - VideoConferencing (40%) (acquired Pure Digital and Tandberg [Polycom rival])
8 - Enterprise telephony #2 (14.6%)
9 - Fibre Channel storage-area networks (SAN) #2 (Cisco's attempting to take the industry to Fibre Channel-over-Ethernet, a converged SAN/LAN switching fabric dependent on Ethernet switches – an area where Cisco is dominant.)
1 - Core Internet Routers #2 (30%)   (only competitor to Cisco)
2 - Carrier Edge Routing #2 : ( shared with Alcatel-Lucent ) Ethernet service delivery
6 - Firewall/VPN systems #2  - they acquired NetScreen.
2 - Carrier Edge Routers #2 ( shared with Juniper ) Ethernet service delivery (19%) terabit ASICs for its Service Router 7750 optimized for traffic management and processing of IPTV, WebTV, mobile backhaul and business VPN traffic; and 100Gbps Ethernet interfaces for the edge router.
  - Software defined networking (SDN) solutions
  - The Virtualized Services Platform (VSP) will allow healthcare, banking, utilities and other enterprise market segments, as well as webscale companies – large Internet-based companies – and telecom service providers, to scale their cloud offers and provide instant, secure connectivity to multiple customers.
  HP: (acquired 3Com)
3 - Ethernet Switching / enterprise switching: #2 (10%)
4 - Wireless LANs #2 : (9%)
5 - 802.11n access point #2: (11.9%)
7 - VideoConferencing
8 - Enterprise telephony #1 (14.6%)
9 - Fibre Channel storage-area networks (SAN) #1 (64%)
  IBM: Ethernet for Flex Systems, Converged Switches, Ethernet Top-of-Rack, Fibre Channel Switches
  Check Point: Security Appliances
  Avaya: Switching, Routing, Wireless LAN and Network, BYOD, Guest Access

Networking cards, T-Adapters, Accelerator cards, switches

Direct Cisco Competitor Comparison  
  CSCO HPQ JNPR ALU Industry  
Market Cap: 113.14B 42.96B 9.31B 2.97B N/A ALU = Alcatel-Lucent, S.A.
Employees: 66,639 331,800 9,234 72,344 N/A HPQ = Hewlett-Packard Company
Qtrly Rev Growth (yoy): 0.05 -0.06 0.02 -0.01 0 JNPR = Juniper Networks, Inc.
Revenue (ttm): 47.25B 118.68B 4.37B 18.70B N/A Industry = Networking & Communication Devices
Gross Margin (ttm): 0.61 0.24 0.63 0.3 0 .
EBITDA (ttm): 13.36B 14.36B 596.80M 964.55M N/A  
Operating Margin (ttm): 0.23 0.08 0.09 0.01 0  
Net Income (ttm): 9.32B -12.89B 186.50M -2.64B N/A  
EPS (ttm): 1.74 -6.55 0.35 -0.78 N/A  
P/E (ttm): 12.2 N/A 52.2 N/A N/A  
PEG (5 yr expected): 1.25 27.16 1.07 0.39 N/A  
P/S (ttm): 2.35 0.38 2.16 0.16 N/A  
  Cisco Products
  Application Networking Services
  Blade Switches
  Cloud and Systems Management
  Data Center Management and Automation
  Data Center Switches
  Interfaces and Modules
  Networking Software (IOS & NX-OS)
  Optical Networking
  Physical Security
  Service Exchange
  Storage Networking
  Servers - Unified Computing
  Voice and Unified Communications


Cable Definitions: What are Rolled Cables?

In the Cisco world, a rolled cable is a cable used to manage a router or switch from the console port of that device. This cable is usually used when configuring one of these devices for the first time. A rolled cable connects the PC’s serial port (using a DB9 to RJ45 adaptor) to the router or switch’s console port. A rolled cable looks just like an Ethernet cable. The funny thing is that a rolled cable isn’t an Ethernet cable at all. In fact, it is a serial cable. You cannot use a rolled cable for an Ethernet cable, nor can you use an Ethernet cable for a rolled cable. What you can do is take a straight-through Ethernet cable, cut off one end, flip over the wires, and recrimp it to make your own rolled cable.
Take Home
In summary, what you need to take home from this article is:
Category 5e cables are the most common type of Ethernet cabling today
A straight-through cable is what you normally use to connect a PC to a hub or switch
A crossover cable is a special type of Ethernet cable used to connect a PC to a PC or a switch to a switch
A rolled cable isn’t an Ethernet cable at all but looks like one. It is used to connect a PC to a Cisco router or switch’s console port, for management.
When you start learning about Cisco equipment and get further into networking, the different types of Ethernet cabling will come up. In fact, Ethernet cabling is an important topic on Cisco’s CCNA exam . So what do you need to know about Ethernet cabling? Let’s find out.
Types of Ethernet cabling
To start off with, you should know that not all Ethernet cabling is the same. If you go to a store you may find a variety of “categories” of cabling. These categories tell you the quality of the cabling. The quality determines, essentially, how much the cable can handle. Here are the categories that you need to know:
Cat 3 – used for voice cabling and 10Mb Ethernet
Cat 5 – used for 10/100Mb Ethernet and works for voice as well
Cat 5E – Enhanced Cat 5 cabling that helps to prevent cross-talk, works for 10/100Mb and 1000Mb (or Gigabit Ethernet)
Cat 6 – Like Cat 5E but with larger gauge wires, works for 10/100/1000Mb. This cable is better than Cat 5e for Gigabit Ethernet.
Cat 7 – Also called Class F, this is fully-shielded cabling and supports up to 600Mhz. This is a relatively new type of cabling and isn’t used much.
Most companies today are still using and even installing Category 5e as it works for the 100Mb Fast-Ethernet in use on almost every desktop PC. Plus, it is economical compared to the higher categories of cabling. If you go to a computer store and buy an Ethernet cable, 99% of the time it will be a Cat 5e cable.
Normal Ethernet Cables
Next up, you should be familiar with the different types of “ends” or “plugs” at each end of the cable. When you go to a computer store and buy that “regular” Ethernet cable, what you are really buying is a straight-through cable. This means that if you hold both ends side by side, the colors of each of the different smaller cables inside an Ethernet cable, will be in the same or
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