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IP SANS By Tom Clark


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A concise guide to a technology that brings SANs into mainstream IP networking.
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IP SANS Summary

IP SANS: A Guide to iSCSI, iFCP, and FCIP Protocols for Storage Area Networks: A Guide to iSCSI, iFCP, and FCIP Protoco by Tom Clark

Today's enterprises face unprecedented data storage and availability requirements. To meet these needs, they are increasingly turning to Storage Area Networks (SANs). Now, even more promising IP-based SANs are arriving, combining the advantages of SAN architecture with the familiarity and value of IP-based networking. Leading SAN expert Tom Clark surveys these emerging products, helping decision-makers understand the key issues, protocols, technologies, and applications. He begins with an overview of today's enterprise storage challenges and reviews existing approaches, including Fibre Channel, SCSI; and network-attached-storage solutions. He then introduces IP from the perspective of the storage professional. Clark reviews supporting technologies such as TCP offload engines; and presents in-depth coverage of security, including VLANs, encryption, and authentication. Case studies present IP SANs at work in server clustering, backup, storage consolidation, disaster recovery, and both metropolitan and wide-area IP storage networks. The book concludes with a developmental roadmap reflecting key advances such as 10 Gb Ethernet and Infiniband.

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About Tom Clark

Tom Clark is Director of Technical Marketing for Vixel Corporation, a manufacturer of Fibre Channel transceivers, hubs, fabric switches, and SAN management software. During his 15-year career in system engineering, he has gained extensive experience in data communications and internetworking, has published numerous articles on Fibre Channel technology, and has presented papers at several conferences, including Fibre Channel Technologies Conference and Expo.


Table of Contents

(NOTE: Each chapter concludes with Chapter Summary.)


1. Introduction.

2. Shared Storage.

Captive Storage.

The SNIA Shared Storage Model.

Storage Networking Layers.

Serial Transport.

Access Method.


Packetizing of Data.

Routing of Packets.

Upper Layer Protocol Support.

3. Storage Networking Building Blocks.

Storage Networking Terminology.


Just a Bunch of Disks (JBODs).

Tape Subsystems.

SCSI over IP-to-Parallel SCSI Bridges.

Host Adapters.

Legacy SCSI Cabling.

Network-Attached Storage.

Fibre Channel.

Fibre Channel Layers.

FC-0 - Fibre Channel Physical Layer.

FC-1 - Fibre Channel Link Controls and Data Encoding.

FC-2 - Fibre Channel Framing, Flow Control and Class of Service.

FC-3 - Common Services.

FC-4 - Fibre Channel Upper Layer Protocol.

Fibre Channel Topologies.

Gigabit Ethernet.

Gigabit Ethernet Layers.

802.1Q VLAN Tagging.

802.1p/Q Frame Prioritization.

802.3x Flow Control.

802.3ad Link Aggregation.

Gigabit Ethernet Physical Layer Considerations.

Assumptions for IP-based SANs.


Operating Systems and SCSI I/O.

The SCSI Architectural Model (SAM-2).


Layer 2.

Layer 2 Bridging.

Spanning Tree.

Layer 3 - IP.

IP Addressing.

Subnet Masking.

Address Resolution Protocol.

IP Routing.

IP Network Example.

IP Routers and IP Switches.

Other IP Considerations.

6. User Datagram Protocol (UDP).

Layer 4 - UDP.

Connectionless Service.

UDP Port Numbers.

UDP Header.

UDP for IP Storage Applications.

7. Transmission Control Protocol.


TCP Header.

Establishing TCP Connections.

TCP Segment Size.

TCP Sliding Window and Congestion Control.

TCP Error Recovery.

Upper Layer Interface.

8. IP Storage Networking.

Standards-based IP Storage Protocols.

The IETF and IPS Working Group.

Fibre Channel over IP (FCIP).

FCIP and Timeout Values.

FCIP SAN Interfaces.

FCIP Error Handling.

FCIP Flow Control.

FCIP Quality of Service.

FCIP Framing.

FCIP Issues.

Internet Fibre Channel Protocol - iFCP.

iFCP Network Architecture.

iFCP Addressing.

iFCP Fabric Service Emulation.

iFCP and TCP Connection Control.

iFCP Error Handling.

iFCP Security.

iFCP Issues.

Metro Fibre Channel Protocol - mFCP.

Internet SCSI - iSCSI.

iSCSI Network Architecture.

iSCSI Protocol Layering Model.

iSCSI Address and Naming Conventions.

iSCSI Session Management.

iSCSI Error Handling.

iSCSI Security.

iSCSI Issues.

9. Internet Storage Name Server.


Device Discovery in Fibre Channel.

Discovery in IP Storage Networks.

iSNS Features.

iSNS Discovery Process.

iSNS State Change Notification and Entity Status Inquiry.

iSNS Objects.

iSNS Security.

10. Security in IP Storage Networks.

Securing Storage Data Transport.

Security in Fibre Channel SANs.

Port Zoning.

World Wide Name Zoning.

LUN Masking.

Security in IP Storage Networks.

Discovery Domains.

LUN Masking.

VLAN Tagging.


Access Control Lists (ACLs).

11. QOS for IP Storage Networks.

Class of Service and Quality of Service.

802.1p Traffic Prioritization.

Type of Service (TOS).

Differentiated Services (DiffServ).

Resource Reservation Protocol (RSVP).

Multiprotocol Label Switching (MPLS).

12. Infiniband.

InfiniBand Architecture.

InfiniBand and Storage Networking.

13. IP Storage Applications.

IP Storage in Data Center Applications.

Server Clustering.

Local Tape Backup.

Storage Consolidation.

IP Storage for Remote Applications.

Remote Backup.

Remote Mirroring.


Disaster Recovery.

Content Distribution.

14. Conclusion.

Great Expectations.

Prerequisites for Successful IP Storage Deployment.

Standards Compliance.




Integration with Other Storage Technologies.

IP Storage Futures.

Appendix A. IP Storage & Related Vendors.

Appendix B. Storage Networking Industry Association (SNIA).



Index. 0201752778T08092001

Additional information

IP SANS: A Guide to iSCSI, iFCP, and FCIP Protocols for Storage Area Networks: A Guide to iSCSI, iFCP, and FCIP Protoco by Tom Clark
Tom Clark
Used - Like New
Pearson Education (US)
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
The book has been read, but looks new. The book cover has no visible wear, and the dust jacket is included if applicable. No missing or damaged pages, no tears, possible very minimal creasing, no underlining or highlighting of text, and no writing in the margins.