ieee 802 11i wireless lan security ppt

... ESTABLISHING WIRELESS ROBUST SECURITY NETWORKS: A GUIDE TO IEEE 802. 11I  Section 3 gives an overview of IEEE 802. 11 security, including a review of the security features and weaknesses of IEEE 802. 11 ... ESTABLISHING WIRELESS ROBUST SECURITY NETWORKS: A GUIDE TO IEEE 802. 11I 4. Security Framework for Robust Security Networks The IEEE 802. 11i amendment allows for enhanced security features ... of the IEEE 802. 11i amendment in 2004, IEEE 802. 11 offers two general classes of security capabilities for IEEE 802. 11 WLANs. The first class, pre-RSN security, includes the legacy security...

Ngày tải lên: 14/02/2014, 08:20

... NINH MẠNG LAN KHÔNG DÂY CHUẨN 802. 11i 3.1 Tổng quan về chuẩn IEEE 802. 11i Nhóm IEEE 802. 11i đã tích cực nghiên cứu để đưa ra giải pháp thay thế cho WEP. Giải pháp tổng thể của IEEE 802. 11i dựa ... mạng LAN không dây chuẩn 802. 11i. Chương 2: Trình bày về an ninh mạng LAN không dây, các kiểu tấn công và an ninh đối với mạng LAN không dây. Chương 3: An ninh mạng LAN không dây chuẩn 802. 11i, ... CCMP, IEEE 802. 1x . Hình 3.1: Thành phần của 802. 11i 3.1.1 TKIP TKIP (Temporal Key Identity Protocol: Giao thức toàn vẹn khóa phiên): là giao thức mã hóa tầng liên kết trong chuẩn 802. 11i...

Ngày tải lên: 06/11/2012, 12:50

... WLAN technologies: IEEE 802. 11a, 802. 11b, 802. 11g, and 802. 11n. In addition, a brief overview of the updated security standard for IEEE 802. 11 networks, IEEE 802. 11i, is provided. 2.1 IEEE 802. 11 ... on Wireless Security, 2004. IEEE Standard 802. 11, 1999 Edition. IEEE Standard 802. 11i, 2004 Edition. Also available at http://standards .ieee. org/getieee802/download /802. 11i- 2004.pdf. IEEE ... Establishing Wireless Robust Security Networks: A Guide to IEEE 802. 11i. 5 The recommendations in NIST SP 800-97 should also be applied to existing IEEE 802. 11i WLAN implementations. 2.2 IEEE 802. 11...

Ngày tải lên: 14/02/2014, 08:20

... with IEEE 802. 11 MAC,” Wireless Communications & Mobile Computing,vol.9,no.4, pp. 469–488, 2009. [3] K. Bicakci and B. Tavli, “Denial-of-service attacks and coun- termeasures in IEEE 802. 11 wireless ... “Analysis and improvements over DoS attacks against IEEE 802. 11i standard,” in Proceedings of the 2nd International ConferenceonNetworksSecurity ,Wireless Communications and Trusted Computing (NSWCTC ... imposed by the TS security field do not have remarkable impact over the performance of the IEEE 802. 11 wireless networks. Hindawi Publishing Corporation EURASIP Journal on Wireless Communications...

Ngày tải lên: 21/06/2014, 05:20

... 802. 11k. Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, Amendment 1: Radio Resource Measurement of Wireless LANs,” 2008. [16] S. Mangold and L. Berlemann, IEEE ... model-based call admission control for IEEE 802. 11e WLAN contention-based channel access,” in Proceedings of the 13th IEEE Workshop on Local and Metropolitan Area Networks (LANMAN ’04), pp. 55–60, April ... IEEE Std 802. 11e. Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, Amendment 8: Medium Access Control (MAC) Quality of Service Enhance- ments,” 2005. [15] “IEEE...

Ngày tải lên: 21/06/2014, 23:20

Ngày tải lên: 01/09/2013, 10:54

... Broadcast Television Infrared wireless LAN Cellular (840 MHz) NPCS (1.9 GHz) 902-928 MHz 26 MHz 5 GHz (IEEE 802. 11) HiperLAN HiperLAN 2 802. 11a 2.4 –2.4835 GHz 83.5 MHz (IEEE 802. 11) 802. 11b and 802. 11g Ultra High Super High Unlicensed ... Island, Clipperton Island, Cocos Island, Colombia, Cook Island, Coral Sea Islands, Costa Rica, Ecuador, El Salvador, Europa Island, Faroe Islands, Fiji, Glorioso Islands, Grenada, Guadeloupe, Guam, ... Solomon Islands, South Korea, Taiwan, India, Spratly Islands, Togo, Tonga, Trinidad and Tobago, Tromelin Island, Turks and Caicos Islands, Uruguay, US Virgin Islands, Venezuela, Wake Island, Western...

Ngày tải lên: 11/12/2013, 15:15

... How To Set Up Wireless Network Security Part 1: WEP Part 2: WPA-PSK Part 3-1: RADIUS Server Installation Part 3-2: 802. 1x-TLS Part 3-3: WPA You can secure your wireless connection ... Start > Control Panel > Network) 2. Select your Wireless LAN Card, right click on the icon and select “Properties”. Click on Wireless Network” tab. 3. Select the Access Point which ... go to Start > Control Panel > Network). 3. Select your Wireless LAN Card, right-click and select “Properties”. 4. Click Wireless Network”. 5. Select the Access Point which you are going...

Ngày tải lên: 05/03/2014, 23:20

...  While security is important for all networks, wireless LANs deserve special consideration since they are subject to an increased level of risk. First, since wireless extends beyond ... VLANs and, depending on the given wired infrastructure, can be difficult to configure and maintain. Alternately, Meraki provides an integrated LAN Isolation feature. LAN Isolation causes wireless ... false sense of security.        Companies deploying a wireless network need to take security into consideration. However, security does...

Ngày tải lên: 14/03/2014, 22:20

... Devices 802. 11 MAC Layer Operations Summary Chapter 3. 802. 11 Physical Layer Technologies Wireless Physical Layer Concepts 802. 11 Wireless LANs 802. 11b WLANs 802. 11a WLANs ... 2. 802. 11 Wireless LANs This chapter covers the following topics: Overview of wireless LAN (WLAN) topologies 802. 11 medium access mechanisms 802. 11 MAC layer operations 802. 11 frame formats 802. 11 ... 802. 11a WLANs 802. 11g WLANs CCA Summary Chapter 4. 802. 11 Wireless LAN Security Wireless Security Overview of Encryption Encryption in the 802. 11 Standard Authentication...

Ngày tải lên: 18/04/2014, 12:28

... University. References [1] IEEE, IEEE Wireless LAN Edition, IEEE Press, New York, NY, USA, 2003. [2] S. Choi and K. Choi, “Reliable multicast for wireless LAN, ” in Resource, Mobility, and Security Management in Wireless Networks ... with the peak rate 54 Mbps of IEEE 802. 11a wireless LANs. When the multicast and uplink user payloads of 88 bits or 1000 bits are transmitted in IEEE 802. 11a wireless LANs, we present the results ... broadcasting in wireless LANs,” IEEE Communications Letters, vol. 12, no. 2, pp. 146–148, 2008. [9] W Y. Choi, “Efficient reliable multicast MAC protocol for IEEE 802. 11 wireless LANs,” in Proceedings...

Ngày tải lên: 21/06/2014, 23:20

... of IEEE 802. 11a, IEEE 802. 11b, and IEEE 802. 11g technologies support the max- imum PHY data rates of 54 Mbps, 11 Mbps, and 54 Mbps, respectively [2–4]. All these PHY variants of IEEE 802. 11 wireless ... microseconds in IEEE 802. 11a wireless LANs. In Figures 4, 5, 6, 7, 8, 9, 10, 11,and12, we present the simulation results of the maximum delay bounds of IEEE 802. 11a wireless LAN with the conventional PCF ... Dong-A University. REFERENCES [1] IEEE Std 802. 11, Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications,” 1999. [2] IEEE Std 802. 11a, Wireless LAN Medium Access Control (MAC)...

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