what is dwdm in telecom

Go What is a WebRTC Gateway anyway? (Lorenzo Miniero)https://webrtchacks.com/webrtc-gw/as I mentioned in my ' WebRTC meets Telecom ' article a couple of weeks ago, at Quobis we ' re currently involved In30+ WebRTC field trials/pocs which involve in one or another a telco networ K. In the most cases service providers is

What is the difference between broadband and ADSL Internet access? With the explosive development of the Internet, commercial applications and multimedia services on the Internet have also been rapidly promoted. To enjoy various services on the Internet, users must access the network in some way. Fiber-to-user FTTH is an inevitable direction for the development o

What is the biggest difference between Warcraft and Starcraft? In other places, I saw some new people playing Starcraft and Warcraft again. So I asked, "What is the biggest difference between Warcraft and Starcraft" Then, the common God farmers will answer the biggest difference between Warcraft and Starcraft (only fo

in the smart match may have URL, he will be from the history, bookmarks and other places, find the string that has been entered may correspond to the URL, and then give a smart hint, so that you can complete the URL address. For Google Chrome's browser, he will even show the page directly from the cache, which means that you haven't pressed enter yet and the page is out. 2, the browser to find the IP address of the domain name　　 1) Once the request

Tags: class business body Difference Telecom diameter bring APN dynamic"Technical stuff." What is the difference between the user database HSS in LTE networks and the HLR of traditional 2g/3g? Can I combine networking?EPS HSS and HLR are respectively responsible for 4G user data and 2G/3G user data storage, the two main differences are:(1) different stored data,

Today I read a classmate's QQ signature, which says, "what is the use of 4 m broadband at the end of the BT age ". In China, on the one hand, China Telecom popularized higher, faster, and better network speeds. However, the speed of broadband is conducive to downloading some large files, while allowing more resources t

. B2B applications within the industry Applications within the industry are another direction of Web Services. In an industry, business is very similar, so it is easy to form service standards within the industry, so that all industry enterprises can abide by them together; however, the decision on how to implement services and what system to use lies in the ent

Today, I saw this news on donews. It seems a bit strange. What Beijing Telecom and Beijing Netcom customer service staff say is "using a network phone to call a common phone is not allowed." Why not? Who defined it? Is it reasonable that KFC says: "It

necessarily able to work at the same time, for example, millet Typical version, is capacity is dual-mode mobile phoneThis is a common 2G and 3G 4G network format, casually support two, is dual-mode mobile phone!There is only one SIM card slot that can be plugged into a

DBA supportMongoDB will be your first choice if you don't have a full-time DBA and are prepared to process data without using standard relational ideas (structured, connected, etc.). MongoDB is very handy for storing like data, and classes can be serialized directly into a JSON store in MongoDB. However, you need to understand some best practices to avoid performance flaws due to document design problems when the data becomes larger.billrun– MongoDB-

With the continuous maturation of communication technology and the increasing demand of users for communication quality, the existing GSM network will inevitably evolve to W-CDMA (wideband Code Division Multiple Access), which is estimated to take about 2-3 years, and the main wireless network equipment suppliers will be the earliest It will be 2002 years before a commercially available W-CDMA system can be provided. But this does not mean that mobile

What is the wireless card? Wireless network card What is the wireless card? Wireless Internet card refers to the wireless WAN card, connected to the wireless WAN. The function and function of wireless Internet card is equivalent to wired modem, which

What is a data warehouse? Bill inmon, father of data warehouse, was widely accepted in the definition proposed in building the Data Warehouse published in 1991, A data warehouse is a topic-oriented (subject oriented), integrated (integrate), relatively stable (non-volatile), and time variant data set, used to support management decisions. A data warehouse

Ericsson are competing in the telecom Industry for network function Virtualization (NFV), while SDN and open mobility are used to challenge Cisco Enterprise Network advantages. Similarly, SDS is a proprietary storage array for EMC and other large enterprises. Cloud service providers compete with data center subcontractors and play the same role in building systems.It i