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ISA100 Wireless Benefits

OSI Layer	Function	Technology	Benefits
Application (7-AL)	Interface with software applications that implement a communicating component	ISA100 Wireless native procol, similar to FOUNDATION Fieldbus Object mapping, tunneling protocol Extensible to support FOUNDATION Fieldbus, Profibus, HART, and legacy protocols Contract-based reservation of resources	Easy Integration with existing wired host systems Extensible to cover specialty application protocols Open to a rapidly growing variety of device types from diverse ecosystems Assured QoS from AL
Presentation (6-PL)	Establishes a context between Application Layer entities, in which the higher-layer entities may use different syntax and semantics
Session (5-SL)	Controls the dialogues (connections) between computers. It establishes, manages, and terminates the connections between the local population and the remote application.	State of the art AES128 bit encryption security Join key, network ID, end-to-end security Over-the-Air provisioning with PKI (asymmetric key) Hop-by-hop security and end-to-end security Time as security material to guard against replay attacks	Strong security in every message for data protection and confidentiality Message integrity and authenticity Replay attack protection
Transport (4-TL)	Provides transparent transfer of data between end user applications	UDP: Internet standard device IPv6 addressing: Globally addressable Internet of Things Backbone Routing, IPv6 access points Compatible with 6LoWPAN	Future-proof and scalable Integration with IP technology Scale network through IP backbone
Network (3-NL)	Provides the means of transferring variable length data sequences from a source to a destination via one or more networks; performs network routing functions
Data Link (2-DLL)	Provides the means to transfer data between network entities and to detect and possibly correct any errors that may occur in the Physical Layer	Mesh network modeled at Layer 2 Second layer of AES128 security Mesh/Star/Hybrid network configurations Redundant communication links to backbone; duocast Channel hopping: multiple hopping patterns Multiple media access methods: TDMA, CSMA, and hybrid Extensive wireless diagnostics Channel blacklisting for coexistence Routing/Non-Routing (I/O) devices	Simple integration with IPv6 High integrity due to AES128 Self-configuring Reliable and fast update Flexible and better performance for different types of applications with efficient data transmission Deterministic and large data transfer Robust to EM interference Lick & stick sensors, low cost sensors
Physical (1-PHY)	Defines the electrical and physical specifications for devices, particularly the relationship between a device and a tranmission medium	IEEE 802.15.4, 2.4 GHz ISM band	Global use without license Transceivers available from many sources Designed to coexist with other IEEE radios, especially WiFI